| 1969-12-31 | Russell Taragan's Estes Big Bertha | A8-3 | - | Not enough power, the rocket hit 50 ft and fell back down, ejection did not really come in time... |
| 1969-12-31 | Kenneth Johnson's Estes Big Bertha | C6-5 | - | Got this one in Germany, sold by Robbe GmbH. Funny, German Estes (Robbe) motors aren't color... |
| 1999-03-07 | Paul Smith's Estes Big Bertha | B6-2 | - | This time surprisingly low for a B6 engine. I wrapped both the shroud lines and the long shock... |
| 1999-03-07 | Paul Smith's Estes Big Bertha | A8-3 | - | Almost identical to other A8-3 flights. Nice recovery. |
| 1999-03-11 | Paul Smith's Estes Big Bertha | C5-3 | - | Perfect flight. Noticeably higher than Maniac on same engine. |
| 1999-03-11 | Paul Smith's Estes Big Bertha | B8-5 | - | Perfect |
| 1999-03-20 | Paul Smith's Estes Big Bertha | B4-2 | - | Another beautiful flight. |
| 1999-04-02 | Paul Smith's Estes Big Bertha | B6-4 | - | Perfect flight - caught by body tube. |
| 1999-04-21 | Eric Miller's Estes Big Bertha | C6-3 | - | Inclined the launch angle more into the wind, nice flight, no weather cocking, ejected parachute... |
| 1999-04-28 | Eric Miller's Estes Big Bertha | C6-3 | - | Perfect day, awesome flight - there's nothing like Big B going up straight as an arrow, ejected... |
| 1999-06-19 | Eric Miller's Estes Big Bertha | C6-5 | - | Yes I was the first to fly, lots of bugs in the morning but Big B did not regard it. Perfect... |
| 2000-01-02 | Eric Miller's Estes Big Bertha | C6-3 | - | Big Bertha delivered another perfect launch. This rocket rocks! Ejection not so beautiful. . .... |
| 2000-02-19 | Geoff Stanford's Estes Big Bertha | B6-4 | - | This was the first rocket I flew as a kid, so I figured this should be the first one I put up when... |
| 2000-03-01 | Randy Powell's Estes Big Bertha | 3xB6-4 | - | this rocket kicks @ss with 3 motors. . . flew super good and recovered nearby. |
| 2000-03-04 | Randy Ashley's Estes Big Bertha | 3xC6-7 | - | When I got this one and saw how long the motor mount was I just had to cut it into 3 mounts and... |
| 2000-03-04 | David Fergus's Estes Big Bertha | C6-5 | - | good flight |
| 2000-03-11 | Randy Ashley's Estes Big Bertha | 3xC6-7 | - | Nice flight. 1200 ft sure beats the 580 it would have done on one c motor. |
| 2000-03-12 | Randy Ashley's Estes Big Bertha | 3xC6-4 | - | LCO (thats me) remembered to flip the extra 2 swithches and all 3 lit ( even with the copperheads... |
| 2000-03-18 | Geoff Stanford's Estes Big Bertha | C6-5 | - | Flew great on this motor. The new nylon Vaughn Brother's 18 parachute worked like a charm. I... |
| 2000-03-21 | Randy Powell's Estes Big Bertha | B6-4 | - | made a cluster of 3x 18mm motors. . added 1 oz. to NC perfect ignition and lots of fire and smoke.... |
| 2000-03-25 | Randy Ashley's Estes Big Bertha | 3xC6-7 | - | This kit is super with the cluster of C motors. Nice stable flight. Might change to smaller chute... |
| 2000-04-01 | David Fergus's Estes Big Bertha | B6-4 | - | some wind cock |
| 2000-04-15 | Dale Emery's Estes Big Bertha | C6-5 | - | My first launch was the Big Bertha on a C6-5 for a wind and cloud ceiling check. It flew fine,... |
| 2000-04-29 | David Fergus's Estes Big Bertha | C6-3 | - | |
| 2000-05-13 | Dale Emery's Estes Big Bertha | C6-5 | - | Nice Flight |
| 2000-06-04 | Eric Miller's Estes Big Bertha | C6-7 | - | Too much launch angle on this one. Floated into a large tree. This was one of my favorite rockets.... |
| 2000-06-10 | Dale Emery's Estes Big Bertha | C6-5 | - | Second flight of day |
| 2000-06-18 | Geoff Stanford's Estes Big Bertha | B6-4 | - | This time it didn't even leave the pad. I had found some old AeroTech B6-4 reloads and decided to... |
| 2000-06-24 | David Fergus's Estes Big Bertha | C6-5 | - | |
| 2000-06-24 | Eric Miller's Estes Big Bertha | C6-5 | - | After the first two flights of the Python and Peregrine, I knew I need to adjust the launch rod. I... |
| 2000-07-15 | Dale Emery's Estes Big Bertha | C6-5 | - | Third flight of day |
| 2000-08-12 | Tim Burger's Estes Big Bertha | C6-5 | - | |
| 2000-08-12 | Tim Burger's Estes Big Bertha | B6-2 | - | Log says: B6-2. Notes say Nice! Perfect apogee, but I suspect it was a B6-4 not a B6-2. |
| 2000-08-19 | Geoff Stanford's Estes Big Bertha | B4-4 | - | Flew like a champ on this motor. B4's in the Big Bertha give it such a nice slow lift off. |
| 2000-09-25 | Donald Besaw's Estes Big Bertha | C6-5 | - | Flew from a high school football field. Landed on the bleachers but was not damaged. |
| 2000-09-30 | Kevin Johnson's Estes Big Bertha | B6-4 | - | 1st flight. Looked great. |
| 2000-10-01 | Kevin Johnson's Estes Big Bertha | B6-4 | - | Flight #2. |
| 2000-10-15 | Tim Burger's Estes Big Bertha | C6-5 | - | Arrow straight, as perfect as it gets. |
| 2000-10-26 | Dale Emery's Estes Big Bertha | B6-0/C6-7 | - | I CHAD staged the Big Bertha on a B6-0/C6-7 combo that worked nicely. |
| 2000-11-05 | Kevin Johnson's Estes Big Bertha | B6-4 | - | Very windy day. Rocket recovered from tree trop. |
| 2000-11-11 | Tim Burger's Estes Big Bertha | B6-4 | - | |
| 2000-11-12 | Steve Terrell's Estes Big Bertha | C6-5 | - | I don't think this rocket is capable of a bad flight. I switched to a 12 chute, which works great... |
| 2000-11-18 | Steve Terrell's Estes Big Bertha | C5-3 | - | Windy day, but another great flight. My engine mount is starting to tear apart (no engine block in... |
| 2000-12-09 | Kevin Johnson's Estes Big Bertha | B6-4 | - | |
| 2000-12-09 | Kevin Johnson's Estes Big Bertha | A8-3 | - | Straight boost. Slid back down tail first before ejecting. |
| 2001-02-19 | Kevin Johnson's Estes Big Bertha | B6-4 | - | Nominal flight in breezy conditions. |
| 2001-03-25 | Ed Scientist's Estes Big Bertha | A8-3 | - | Notes Nice flight. Need more power! |
| 2001-03-25 | Ed Scientist's Estes Big Bertha | B4-4 | - | Nice high flight with launcher angled slightly into the wind. |
| 2001-03-30 | Jim Michaelis's Estes Big Bertha | C6-3 | - | Wow, Can't believe I waited 35 years to buy build and fly one. Beautiful slow lift off from the... |
| 2001-03-31 | Ed Scientist's Estes Big Bertha | B6-4 | - | Thats what I am talkin about. Picture perfect flight. |
| 2001-04-01 | Ed Scientist's Estes Big Bertha | C6-5 | - | This is my best rocket with the most flights. This was the best and highest flight so far. |
| 2001-04-06 | Sam Eichelberger's Estes Big Bertha | B6-4 | - | My son's rocket. |
| 2001-04-08 | Ed Scientist's Estes Big Bertha | C6-5 | - | It doesn't get any better than this. Tenth flight and it was perfect. Even with the spill hole in... |
| 2001-04-08 | Ed Scientist's Estes Big Bertha | B6-4 | - | Test flight of swivewl operation. A MUST. The chute or shck cord never tangled or twisted at all! |
| 2001-04-13 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | |
| 2001-04-13 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | Second flight of Sam's rocket. I tried to talk him into a C6-5, but he was afraid he might lose... |
| 2001-04-14 | Ed Scientist's Estes Big Bertha | C6-5 | - | Shew!! That was the closest I ever came to loosing my beloved Bertha. |
| 2001-04-21 | Ed Scientist's Estes Big Bertha | C6-5 | - | Went high as ususal. Good flight landed about 15 feet from the school. |
| 2001-04-29 | Sam Eichelberger's Estes Big Bertha | B6-4 | - | Perfect flight. I'm quite proud of the job I did building this one. |
| 2001-04-29 | Ed Scientist's Estes Big Bertha | C6-5 | - | Never lets me down!! Nice diplay of fire at this late dusk launch. Landed right next to the woods.... |
| 2001-04-29 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | |
| 2001-05-12 | Tim Burger's Estes Big Bertha | B6-4 | - | |
| 2001-05-19 | Ed Scientist's Estes Big Bertha | C6-5 | - | A little arc but a nice flight. A slight crack developing on one of the fins. Not too bad for 15... |
| 2001-06-10 | Tim Burger's Estes Big Bertha | B6-4 | - | Nominal. |
| 2001-06-17 | Sam Eichelberger's Estes Big Bertha | B6-4 | - | A two Bertha drag race. One went left. One went right. Smoke trail looked like a McDonalds sign. |
| 2001-06-17 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | |
| 2001-07-02 | Bill Eichelberger's Estes Big Bertha | B6-6 | - | Great flight. Six seconds was the perfect delay for conditions. |
| 2001-07-08 | Mark Patoka's Estes Big Bertha | C6-3 | - | Another perfect flight. Definitely need to use parachute with cutout center to reduce drift. |
| 2001-07-08 | Mark Patoka's Estes Big Bertha | B6-4 | - | Our maiden flight with this rocket. Nice launch and straight flight. |
| 2001-07-10 | Tony Fragge's Estes Big Bertha | C6-5 | - | Ripped one shroud line from parachute but otherwise a great flight |
| 2001-07-14 | Luis Salinas's Estes Big Bertha | 3xC6-7 | - | |
| 2001-07-14 | Tim Burger's Estes Big Bertha | C6-5 | - | Very nice flight. |
| 2001-07-22 | Sam Eichelberger's Estes Big Bertha | B6-6 | - | Not enough power. Tried to talk him into a C engine, but he's afraid he'll lose the rocket. |
| 2001-07-22 | Ed Scientist's Estes Big Bertha | C6-5 | - | Bertha slammed the ground hard head first slightly mashing the body tube. Later I noticed the... |
| 2001-07-22 | Bill Eichelberger's Estes Big Bertha | B6-6 | - | |
| 2001-07-27 | Tim Burger's Estes Big Bertha | C6-5 | - | Drifted a good distance despite low winds. |
| 2001-08-14 | Jim Michaelis's Estes Big Bertha | C6-3 | - | Again, Great boost, Perfect deployment, Very majestic coming down. |
| 2001-08-19 | Sam Eichelberger's Estes Big Bertha | B6-6 | - | |
| 2001-08-19 | Bill Eichelberger's Estes Big Bertha | B6-6 | - | Part of a five Bertha drag race, including a two-stager. Very cool. |
| 2001-08-19 | Bill Eichelberger's Estes Big Bertha | B6-6 | - | |
| 2001-09-02 | Bill Eichelberger's Estes Big Bertha | B6-2 | - | No damage. I thought this was a B6-4. |
| 2001-09-08 | Tim Burger's Estes Big Bertha | B6-4 | - | |
| 2001-09-22 | Tim Burger's Estes Big Bertha | B6-4 | - | Nominal. |
| 2001-09-29 | Tim Burger's Estes Big Bertha | C6-5 | - | Another good flight; spun slowly. |
| 2001-10-20 | Mark Patoka's Estes Big Bertha | C6-3 | - | Good straight flight. |
| 2001-10-20 | Mark Patoka's Estes Big Bertha | C6-5 | - | Perfect flight and delay time. |
| 2001-10-20 | Mark Patoka's Estes Big Bertha | B6-4 | - | Beautiful take-off and flight |
| 2001-11-22 | Dan Patell's Estes Big Bertha | C6-3 | - | Perfect flight after being modified for zipperless recovery because of a lawn dart. Close recovery. |
| 2001-12-01 | Michael Mangieri's Estes Big Bertha | B6-4 | - | Sounds like we only have B6-4s handy!! Good flight. |
| 2001-12-01 | Michael Mangieri's Estes Big Bertha | C6-5 | - | Launch angle was 25 deg. Recovered 120' from launch site. |
| 2001-12-15 | Marc Lee's Estes Big Bertha | C6-5 | - | Original kit from late 60's- gift. Modified with 18 nylon X-chute & epoxy const (swivel and... |
| 2002-02-02 | Randy Wiggins's Estes Big Bertha | D12-5 | - | This old standard is a natural for the D12. Straight, tall flight. |
| 2002-02-23 | David Fergus's Estes Big Bertha | B6-4 | - | practice for MRL, altitude tracking and launch safety practiced and confirmed |
| 2002-03-23 | Jason Vennard's Estes Big Bertha | C6-5 | - | Great flight and recovery, Pratt heatshield. |
| 2002-03-23 | Jason Vennard's Estes Big Bertha | C5-3 | - | Great flight and recovery, pratt heatshield, 18 nylon chute. |
| 2002-03-24 | Bill Eichelberger's Estes Big Bertha | C5-3 | - | Long recovery walk after a great flight. Broke fin on trip home. |
| 2002-03-26 | Jason Vennard's Estes Big Bertha | C6-5 | - | Great flight and recovery, no problems, pratt heatshield and nylon chute. |
| 2002-04-04 | Jason Vennard's Estes Big Bertha | C6-5 | - | Great flight and recovery again, consistent performer. Pratt heatshield and nylon chute. |
| 2002-04-13 | Tim Burger's Estes Big Bertha | C6-5 | - | Winds are getting lighter as the day gets longer making us braver. Nice flight. |
| 2002-04-14 | Jason Vennard's Estes Big Bertha | C6-5 | - | Another great flight, no problems. Pratt heatshield, nylon chute. |
| 2002-05-25 | Randy Powell's Estes Big Bertha | 3xC6-5 | - | needs 7 sec. delay. |
| 2002-05-27 | Jason Vennard's Estes Big Bertha | C6-5 | - | Another superb flight. Our wind tester for today, good straight boost, chute deployment good. No... |
| 2002-06-16 | Jason Vennard's Estes Big Bertha | C6-5 | - | Delay ran a little long on this motor, otherwise great flight and recovery as usual. Pratt heat... |
| 2002-06-16 | Jason Vennard's Estes Big Bertha | C6-3 | - | Another great flight, 3 second delay worked fine, 5 second has always worked well also. Pratt heat... |
| 2002-07-07 | Randy Powell's Estes Big Bertha | 3xC6-7 | - | all 3 motors lit for a great flight. recovered nearby. |
| 2002-08-09 | Patrick Scheirer's Estes Big Bertha | B6-4 | - | Perfect Flight. Recovered 40 feet from the launch pad. I really look forward to flying this one... |
| 2002-08-10 | Patrick Scheirer's Estes Big Bertha | C6-5 | - | Another perfect flight from old reliable. This time it really got up there. Short walk on recovery. |
| 2002-09-01 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | Part of a two Bertha drag race. |
| 2002-09-07 | Tim Burger's Estes Big Bertha | C6-3 | - | Attempting to do a St. Louis Arch but the streamer tore at 20 feet. |
| 2002-10-05 | Randy Powell's Estes Big Bertha | 3xC6-7 | - | Goes really high. |
| 2002-12-22 | Dan Westley's Estes Big Bertha | B6-4 | - | Second Flight - Straight flight up; followed by a lovely huge, slow arc. Ace flight! |
| 2002-12-26 | Dan Westley's Estes Big Bertha | B6-4 | - | Very loud flight - great! :-) |
| 2003-01-11 | Randy Wiggins's Estes Big Bertha | E15-7 | - | All eyes need to be on this one. Big Bertha loves this motor. E15-7 carries this old standard on... |
| 2003-01-25 | Stephen Peart's Estes Big Bertha | C6-5 | - | Stevie's Bertha. Palm trees. Flawless flight. |
| 2003-02-01 | Jason Vennard's Estes Big Bertha | C6-5 | - | Another nice flight on this veteran bird. 16 nylon chute. |
| 2003-03-30 | Dan Westley's Estes Big Bertha | B6-4 | - | Great flight, I love this rocket! |
| 2003-04-05 | Dan Westley's Estes Big Bertha | B6-2 | - | Launched into wind to reduce drift. Weathercocked somewhat, but landed only a few meters from... |
| 2003-04-08 | Dan Westley's Estes Big Bertha | B6-2 | - | Yet another superb flight from this beauty. |
| 2003-04-12 | James Reyome's Estes Big Bertha | E9-8 | - | GASP! After yet another perfect flight, Bertha was on her way back down safely, I lost sight of... |
| 2003-04-12 | Randy Powell's Estes Big Bertha | 3xC6-7 | - | |
| 2003-04-18 | Dan Westley's Estes Big Bertha | B6-2 | - | Yet another amazing flight from what must be one of the best rockets ever designed! |
| 2003-04-27 | Lance Alligood's Estes Big Bertha | C6-5 | - | Maiden voyage. Superb slow liftoff but still had great height. Almost got nervous because it... |
| 2003-04-27 | Bill Eichelberger's Estes Big Bertha | C5-3 | - | Too little delay, but I wanted Sam to see what Bertha could do with the kick in the pants that a C... |
| 2003-05-07 | Dan Westley's Estes Big Bertha | B6-4 | - | Luvly flight! |
| 2003-05-07 | Dan Westley's Estes Big Bertha | C6-5 | - | 1st time on a C - this bird FLEW! What a beauty! Might be better with a 7sec delay, I had a bit of... |
| 2003-05-10 | Lance Alligood's Estes Big Bertha | B6-4 | - | Majestic liftoff. Much like my Fat Boy, this rocket begs for more power. A B6-4 isn't satisfying... |
| 2003-05-17 | Lance Alligood's Estes Big Bertha | C6-5 | - | Enough proof that a C6-5 is too much delay. Perfect flight but there is that pregnant pause after... |
| 2003-05-17 | Michael Mangieri's Estes Big Bertha | 1/2A6-2 | - | Launched at ECRM for Spot Landing competition. Very low arcing flight good for 4th place. |
| 2003-05-24 | Jon Revelle's Estes Big Bertha | A8-3 | - | NC came untied. No damage. |
| 2003-05-25 | Dan Westley's Estes Big Bertha | B6-4 | - | Tried reefing the chute to reduce drift - had the opposite effect! |
| 2003-05-28 | Lance Alligood's Estes Big Bertha | C6-3 | - | THIS is the right motor for this rocket! Picture perfect flight. I won't fly this on anything else... |
| 2003-06-01 | Bill Eichelberger's Estes Big Bertha | B6-4 | - | Too much rocket for the B6-4. |
| 2003-06-02 | Dan Westley's Estes Big Bertha | B6-4 | - | Nice flight, streight as a die |
| 2003-06-02 | Dan Westley's Estes Big Bertha | C6-5 | - | Lovely high, streight flight. |
| 2003-06-21 | Lance Alligood's Estes Big Bertha | C6-3 | - | Windy day out. Great straight flight, perfect ejection at apogee & then had to run it down a... |
| 2003-06-22 | Jon Revelle's Estes Big Bertha | C6-5 | - | Another picture perfect flight. But it landed in the top of a tree. DEAR GOD, PLEASE BLOW IT... |
| 2003-06-30 | Jason Vennard's Estes Big Bertha | C6-5 | - | Another nice flight, as usual. 15 nylon chute. Light east winds. |
| 2003-07-04 | Lance Alligood's Estes Big Bertha | C6-3 | - | Great flight off the pad. Weathercocked pretty badly though & then the wind carried it just far... |
| 2003-07-19 | Lance Alligood's Estes Big Bertha | C6-3 | - | Probably this BB's best flight ever. Weathercocked slightly into the wind & then recovery brought... |
| 2003-08-06 | Lance Alligood's Estes Big Bertha | C6-3 | - | Just another routine great flight. Weathercocked into what little wind & then recovered ~125ft on... |
| 2003-08-10 | Rocky Firth's Estes Big Bertha | B6-4 | - | First flight for this one. I substitued a longer body tude on a Baby Bertha to make this one.... |
| 2003-08-10 | Jason Vennard's Estes Big Bertha | C6-5 | - | Another great flight. 16 nylon |
| 2003-08-23 | Lance Alligood's Estes Big Bertha | B6-4 | - | Slow & low. Classic BB flight. The delay was just long enough to get the NC pointed down. So calm... |
| 2003-08-23 | Lance Alligood's Estes Big Bertha | C6-3 | - | I thought I'd put a C6-3 in for its flight earlier today. Obviously I hadn't! Super high flight &... |
| 2003-08-24 | Rocky Firth's Estes Big Bertha | B6-4 | - | This is a great flying rocket. It carried a plastic army figure with a parachute and both were... |
| 2003-08-24 | Chan Stevens's Estes Big Bertha | C6-5 | - | one of my favorite rockets (painted nostalgic yellow with red/black striping) |
| 2003-09-12 | Lance Alligood's Estes Big Bertha | B6-4 | - | Steady wind caused a slight weathercock on the way up to about 400ft. Drifted about 200ft away... |
| 2003-09-20 | Rocky Firth's Estes Big Bertha | C6-3 | - | |
| 2003-09-21 | Kristian Holmberg's Estes Big Bertha | B4-2 | - | perfect flight , egection whent of at apogee (almost hit my uncle's van though) |
| 2003-10-26 | Joel Ellingson's Estes Big Bertha | D12-4 | - | Switched to a 14 inch chute. Nice, slow liftoff; straight, high flight; perfect chute deployment.... |
| 2003-10-26 | Joel Ellingson's Estes Big Bertha | C6-3 | - | This was my 5 year-old son’s first launch. He was too excited to wait for the entire countdown -... |
| 2003-10-26 | Joel Ellingson's Estes Big Bertha | B6-3 | - | Maiden flight. BB went straight up to about 100 feet, turned and dropped straight back down at us.... |
| 2004-01-10 | Mark Saunders's Estes Big Bertha | G80-10 | - | Glassed fins & rail buttoms -The rocket shot off the rail. Required field glasses to find after... |
| 2004-02-08 | Rocky Firth's Estes Big Bertha | B6-4 | - | |
| 2004-05-01 | Jerry Nishihira's Estes Big Bertha | C6-5 | 333 feet | perfect flight, perfect recovery. |
| 2004-05-01 | Jerry Nishihira's Estes Big Bertha | B6-4 | - | Good flight @ 100'. Used smaller 12 chute, safe recovery. |
| 2004-05-01 | Jerry Nishihira's Estes Big Bertha | C6-5 | 200 feet | Weathercocked towards Shark's Bay, landed safely in the ball park 20' away from pad. |
| 2004-05-01 | Jason Vennard's Estes Big Bertha | C6-3 | - | As usual another nice flight and recovery for this bird. Want consistency, get a big bertha. 15... |
| 2004-06-20 | Mark Patoka's Estes Big Bertha | C6-5 | - | Perfect flight |
| 2004-06-20 | Mark Patoka's Estes Big Bertha | C6-3 | - | |
| 2004-07-24 | Jason Vennard's Estes Big Bertha | C6-5 | - | As always a great flight on the bertha, the thing just can't fly wrong. |
| 2004-07-25 | Rocky Firth's Estes Big Bertha | B6-2 | - | A drag race against our new Bertha |
| 2004-08-08 | Rocky Firth's Estes Big Bertha | B6-2 | - | this one went on the first try, won the drag race. |
| 2004-08-15 | Rocky Firth's Estes Big Bertha | B6-4 | - | This is a great rocket for warmups on a clear day. |
| 2004-09-10 | Daniel Griswold's Estes Big Bertha | D12-7 | - | |
| 2004-09-26 | Rocky Firth's Estes Big Bertha | C6-7 | - | A C6-5 would be perfect. |
| 2004-09-26 | Rocky Firth's Estes Big Bertha | B6-4 | - | |
| 2004-10-16 | Rocky Firth's Estes Big Bertha | C6-7 | - | The wind caught it just off the rod and it sailed east a quite a clip. Ejection was very late but... |
| 2004-11-20 | Clive Davis's Estes Big Bertha | B6-4 | - | Second flight, Big Bertha was prepped by an 8 year old. The parachute tangled with the shock cord,... |
| 2004-11-20 | Clive Davis's Estes Big Bertha | B6-4 | - | Great, stable flight. Parachute opened immediately. |
| 2004-11-20 | Clive Davis's Estes Big Bertha | B6-4 | - | 3rd flight of day was also a good one. I realize I still have nose weight in my Big Bertha from... |
| 2004-11-27 | Brian Charnigo's Estes Big Bertha | C6-5 | 370 feet | Nice flight, straight up. |
| 2005-01-31 | Stephen Fisher's Estes Big Bertha | C6-3 | - | Great slow take-off. Reached apogee, coasted, then nose ejected minus shoot. balistic into deep... |
| 2005-02-06 | Scott Hauff's Estes Big Bertha | E9-6 | - | Excellent flight on this motor. Chute was singed a bit but still a soft touchdown within 50 yards... |
| 2005-03-19 | Dave Austerberry's Estes Big Bertha | C6-5 | - | Perfect flight straight up, parachute tangled in shroud lines, still came down safely, no damage. |
| 2005-03-20 | Kyle Hancock's Estes Big Bertha | B4-4 | - | Chris' NARTREK Mercury |
| 2005-03-20 | Kyle Hancock's Estes Big Bertha | B4-4 | - | Chris' NARTREK Mercury |
| 2005-04-02 | Jason Vennard's Estes Big Bertha | C6-5 | - | Good flight, wadding, chute protector, and chute installed what was i thinking, no wonder stuff... |
| 2005-06-25 | Linux203's Estes Big Bertha | D12-5 | - | Fast off the pad for the big bertha. Fin decals left the rocket around 20ft. Spill hole in stock... |
| 2005-07-05 | Reid Smith's Estes Big Bertha | B6-4 | - | Short flight up, and noticed no slow takeoff. Ejection just before Apogee, and then an extremely... |
| 2005-07-09 | Reid Smith's Estes Big Bertha | B6-4 | - | Liked previous flight so much I had to launch her again. Used 2 squares of wadding and that was... |
| 2005-07-09 | Reid Smith's Estes Big Bertha | B6-4 | - | Another perfect flight. First flight since installing mini-baffle. Used one sheet of wadding which... |
| 2005-07-11 | Reid Smith's Estes Big Bertha | C6-5 | - | As normal flew a perfectly straight flight up, however significantly higher w/ a C than B, and... |
| 2005-07-16 | Steve Fisher's Estes Big Bertha | C6-3 | - | This is a great rocket. Slow straight take off. Very high arch. Great deloyment. Wind must have... |
| 2005-07-23 | Linux203's Estes Big Bertha | D12-5 | - | |
| 2005-07-23 | Linux203's Estes Big Bertha | D12-5 | - | |
| 2005-08-13 | Daniel Griswold's Estes Big Bertha | D12-7 | - | Great flight, great recovery |
| 2005-08-13 | Daniel Griswold's Estes Big Bertha | D12-7 | - | Another perfect flight |
| 2005-08-13 | Daniel Griswold's Estes Big Bertha | D12-7 | - | Beautiful flight. Extremely straight. Descented quickly. |
| 2005-09-11 | Daniel Griswold's Estes Big Bertha | D12-5 | - | |
| 2005-10-02 | Clive Davis's Estes Big Bertha | C6-5 | - | Man, this is one beautiful motor for one beautiful rocket. Great boost, and the weather was... |
| 2005-10-02 | Clive Davis's Estes Big Bertha | B6-4 | - | This motor is good for demos, but it is really crying out for a C6-5. |
| 2005-10-02 | Clive Davis's Estes Big Bertha | C6-5 | - | Another launch using the C6-5. At first I thought this was going to land in the trees, but she... |
| 2005-12-23 | Andrew Macia's Estes Big Bertha | C6-5 | 400 feet | flawless flight |
| 2006-01-22 | Todd Smith's Estes Big Bertha | C6-5 | - | Straight up boost no weathercock flawless recovery |
| 2006-02-03 | Bob Shaw's Estes Big Bertha | C6-5 | - | Nice flight. |
| 2006-02-03 | Bob Shaw's Estes Big Bertha | C6-7 | - | Very stressful flight. Weathercocked very bad, traveled a long, long way horizonal at 200 ft.... |
| 2006-02-03 | Bob Shaw's Estes Big Bertha | C6-3 | - | Delay not long enough. |
| 2006-02-03 | Bob Shaw's Estes Big Bertha | B6-4 | - | Ejection charge burned thru the shroud lines. Landed hard, but no damage to the rocket. |
| 2006-02-03 | Bob Shaw's Estes Big Bertha | B4-2 | - | Nice flight. |
| 2006-03-08 | Richie Brunjes's Estes Big Bertha | C6-5 | - | Chute shredded , broke one fin on a very hard landing |
| 2006-03-12 | Dave Brunsting's Estes Big Bertha | B4-4 | - | Very late ejection for this bird. I should know better. |
| 2006-05-07 | George Beever's Estes Big Bertha | C6-5 | - | Actually scratchbuilt using a BMS balsa cone. |
| 2006-05-20 | Ron McFerren's Estes Big Bertha | 3xB6-4 | - | 1st flight for this kit. Modded for 3x18mm cluster with added nose weight. Used a clip whip and... |
| 2006-06-27 | Richie Brunjes's Estes Big Bertha | B6-4 | - | Great flight |
| 2006-07-30 | Clive Davis's Estes Big Bertha | B6-4 | - | Good first flight of the day |
| 2006-07-30 | Clive Davis's Estes Big Bertha | B6-4 | - | Another good flight and recovery. |
| 2006-08-21 | Mike Mistele's Estes Big Bertha | B4-2 | - | Nice slow flight, perfect deployment, slow float down to landing. |
| 2006-09-02 | Mike Mistele's Estes Big Bertha | B6-4 | - | Weathercocked a bit (as usual), but a nice flight. Perfect deployment, soft landing. |
| 2006-09-16 | Mike Morley's Estes Big Bertha | A8-3 | - | Engine thrust shoved stuffer tube up into the airframe, Krushnic Effect took over, and the rocket... |
| 2006-09-17 | Mike Morley's Estes Big Bertha | A8-3 | - | Repaired motor mount -- flew perfectly this time. A-motor is a little underpowered for this... |
| 2006-09-23 | Mike Morley's Estes Big Bertha | B6-4 | - | Perfect. |
| 2006-09-23 | Mike Morley's Estes Big Bertha | B6-4 | - | Nice flight. |
| 2006-10-01 | Mike Morley's Estes Big Bertha | B6-4 | - | Beautiful flight; a real crowd-pleaser |
| 2006-10-10 | Steve Fitton's Estes Big Bertha | B6-4 | - | Textbook flight. What a nice design, I hope it never goes out of production. |
| 2006-10-12 | Alex McCarthy's Estes Big Bertha | B6-4 | - | quite quick boost, ejection fine, drifted about 100m, no damage |
| 2006-10-13 | Alex McCarthy's Estes Big Bertha | B6-4 | - | flew well..parachute did not fully open but no damage. |
| 2007-01-01 | Todd Shero's Estes Big Bertha | E9-6 | - | Great first flight on this modified Bertha. Streamer recovery excellent in windy/misty conditions |
| 2007-03-24 | Mike Morley's Estes Big Bertha | C6-4 | - | Nice, high flight. Recovered 50 yards from the pad. |
| 2007-07-21 | Moe Bertrand's Estes Big Bertha | B6-4 | - | Good flight. |
| 2007-07-30 | Scott Smith's Estes Big Bertha | B6-2 | - | Very straight flight. Floated down into a tree. Retrieved without damage. Can't wait to drop a... |
| 2008-03-01 | Tony Interrante's Estes Big Bertha | C6-5 | 500 feet | Three very similar flight profiles. All weathercocked into the wind. Good altitude. Chute only... |
| 2008-03-08 | Jeff Lane's Estes Big Bertha | A8-3 | - | Spot landing event. Landed 12+ feet away, close enough for second. Nice flight. |
| 2008-03-08 | Jeff Lane's Estes Big Bertha | A8-3 | - | Ejected just before or at lawn dart. 54 inch parachute fit but weighed too much. Hollow balsa nose... |
| 2008-03-08 | Jeff Lane's Estes Big Bertha | B4-4 | - | Paper airplane event. Used the best paper airplane in the world from Utube, got second longest... |
| 2008-03-08 | Jeff Lane's Estes Big Bertha | C6-5 | - | Streamer flight. Weak ejection charge resulted in partial ejection. Too bad, it was a 12-foot... |
| 2008-03-09 | Mark Rose's Estes Big Bertha | D13-7 | - | 1st try with reloadable motors (AT RMS 18/20) did not go so well. Ejection powder got grease in... |
| 2008-04-06 | George Beever's Estes Big Bertha | C6-5 | - | Built from the original plans, with a balsa nosecone from BMS. Used a original Estes 18... |
| 2008-04-10 | John Bergsmith's Estes Big Bertha | C6-5 | - | Perfectly straight boost as usual. Ejection occured at NC slight down, but pretty close to... |
| 2008-04-13 | Jason Orosco's Estes Big Bertha | B6-2 | - | Nice work horse rocket for using different type of motors. Nice slow liftoff and flight. |
| 2008-04-13 | Jason Orosco's Estes Big Bertha | B6-4 | - | Another great flight. |
| 2008-04-13 | Jason Orosco's Estes Big Bertha | C6-3 | - | Great flight decided to use a C motor on this flight. |
| 2008-04-19 | Jeff Lane's Estes Big Bertha | D24-7 | - | The Big Bertha flies really nice on an 18mm D. The 20 foot long Mylar streamer brought it down... |
| 2008-05-03 | Mark Rose's Estes Big Bertha | D13-7 | - | Ripped off the pad with AUTHORITY! Minimal turning into wind. Ejection perfect. |
| 2008-05-18 | Brian Guzek's Estes Big Bertha | A8-3 | - | Good flight. |
| 2008-05-26 | Mark Rose's Estes Big Bertha | C6-3 | - | This Bertha is slightly stretched from repairs, hence the 3 second delay. Slow lift off and boost,... |
| 2008-07-28 | Jeff Lane's Estes Big Bertha | C6-5 | - | Could have used a C6-3. Huge mylar streamer impressive. |
| 2008-08-31 | Jason Orosco's Estes Big Bertha | C6-5 | - | Great flight really like flying BB on C engines. |
| 2008-10-28 | Jason Orosco's Estes Big Bertha | B6-4 | - | Another great flight, Landed on all 4 fins. |
| 2008-10-28 | Jason Orosco's Estes Big Bertha | B6-2 | - | Great flight. |
| 2008-10-28 | Jason Orosco's Estes Big Bertha | B6-4 | - | Great flight. |
2008-11-16  | Mark Rose's Estes Big Bertha | C6-3 | - | Excellent motor on a windy day--great flight |
| 2008-11-23 | John Bergsmith's Estes Big Bertha | C6-3 | - | First flight on my new Bertha in the yellow & black classic scheme. Typical Bertha flight, great... |
| 2009-03-12 | Jason Orosco's Estes Big Bertha | A8-3 | - | Nice low flight. |
| 2009-03-12 | Jason Orosco's Estes Big Bertha | A8-3 | - | Another nice flight. |
| 2009-03-21 | John Bergsmith's Estes Big Bertha | D12-5 | - | Seconf flight of the day, perfect again. Recovered with no damage. |
| 2009-03-21 | John Bergsmith's Estes Big Bertha | D12-5 | - | 24mm mount really gets the Bertha some serious altitude. Great boost with perfect ejection.... |
| 2009-04-04 | Mark Rose's Estes Big Bertha | D13-7 | - | The bertha really rips off the pad with this motor--lots of fun. |
| 2009-06-05 | Ian Olson's Estes Big Bertha | B6-4 | - | Dug up the old Big Bertha for a new rocket club me and a friend started in Fairbanks, Alaska. Even... |
| 2009-06-20 | John Bergsmith's Estes Big Bertha | C6-3 | - | First flight on the blue/silver Bertha. Weather cocked, but still a good flight. Recovered with no... |
| 2009-07-11 | Mark Grisco's Estes Big Bertha | C6-3 | - | first flight. perfect. |
| 2009-07-11 | Mark Grisco's Estes Big Bertha | D10-7 | - | big bertha rocks on a D-10. long recovery walk, no damage |
| 2009-08-12 | Mark Grisco's Estes Big Bertha | C6-5 | - | weathercocked about 200 feet up, made the delay late. no damage and a nice flight. |
| 2009-08-12 | Mark Grisco's Estes Big Bertha | C6-5 | - | perfect flight. 5 second delay is ok when calm |
| 2009-10-17 | Noel S. Ayres's Estes Big Bertha | B4-5 | - | Really a Quest B4-4.Itwent maybe 200' or so up.No ejection, hit the ground nose first pushing the... |
| 2009-11-25 | Peter Lam's Estes Big Bertha | B6-4 | - | Slow takeoff with some weathercocking but otherwise a great flight. |
| 2010-01-23 | Jeff Lane's Estes Big Bertha | C5-5 | - | Random duration event at Winterfest. 18 parachute. Goal was 70 sec, achieved 63 sec. The Bertha is... |
| 2010-02-27 | Jeff Lane's Estes Big Bertha | B6-2 | - | Streamer test, B6-2 ejection charge too weak to eject streamer, core sample, very little damage. |
| 2010-02-27 | Jeff Lane's Estes Big Bertha | B6-2 | - | 2nd attempt, same result: weak ejection charge with core sample. Motor mount dislodged this time,... |
| 2010-03-19 | Judy Orosco's Estes Big Bertha | B6-4 | - | This is a fun rocket to fly nice slow liftoff. |
| 2010-03-19 | Jason Orosco's Estes Big Bertha | B6-4 | - | Out launching rockets with my daughter, This flight had me worried ejected a little late on this... |
| 2010-03-19 | Jason Orosco's Estes Big Bertha | C5-3 | - | Had get this one out of neighbors small tree, The wind picked up an carried out of field across... |
| 2010-03-20 | Mark Rose's Estes Big Bertha | D13-7 | - | My favorite motor for this rocket...makes the Bertha STREAK versus the slow C6 liftoff. |
| 2010-06-05 | Jeff Lane's Estes Big Bertha | B6-4 | - | Very high flight for this bird/motor. Long delay. Chute popped immediately. Thermals. Duration of... |
| 2010-06-12 | Preston Hoover's Estes Big Bertha | B6-4 | - | The big bertha flew up, the parachute ejected and we recovered the rocket. Only problem there was... |
| 2010-07-10 | Mike Mistele's Estes Big Bertha | B6-4 | - | Nice flight. Drifted in the wind about 100 yards, but safe recovery. |
| 2010-08-28 | Mike Mistele's Estes Big Bertha | B6-4 | - | Another great flight. Slight bit of weathercocking. Good deployment, good landing. |
| 2010-09-11 | Mike Mistele's Estes Big Bertha | C6-5 | - | Great high flight. So far up (and into low clouds), didn't really see the ejection. But,... |
| 2010-10-02 | Dwayne Shmel's Big Bertha | C6-5 | - | Great flight. Won the 3 way drag race. |
| 2010-11-13 | Rich DeAngelis's Big Bertha | B6-4 | 100 feet | Strong Weathercocking, Late Ejection, 2 shrouds seperated from canopy, came down fast but OK.... |
| 2010-11-20 | John Bergsmith's Estes Big Bertha | C6-3 | - | Blue and silver Bertha, perfect flight. |
| 2010-11-21 | John Bergsmith's Estes Big Bertha | C6-3 | - | Yellow and black Bertha, 2nd flight on the day. |
| 2010-11-21 | John Bergsmith's Estes Big Bertha | C6-3 | - | Yellow and Black Bertha |
| 2010-11-28 | Brian Hoover's Estes Big Bertha | B6-4 | - | good first flight. ejection baffel mod test successful |
| 2010-12-24 | John Bergsmith's Estes Big Bertha | C6-3 | - | First flight on the Puffy Lettered Bertha, perfect! |
| 2011-02-07 | Jason Orosco's Estes Big Bertha | B6-4 | - | Nice straight flight good landing. |
| 2011-03-20 | John Bergsmith's Big Bertha | Estes C6-3 | - | First flight on the black Big Bertha, perfect! |
| 2011-05-29 | Rich DeAngelis's Big Bertha | B6-2 | 150 feet | Slightly early ejection, needs longer delay. Somewhere between a B6-4 and a B6-2...should have a... |
| 2011-06-12 | Rich DeAngelis's Big Bertha | C6-3 | 331 feet | Strong weathercocking, C6-3 had a good delay time for this model, good flight & recovery. ... |
| 2011-08-05 | Chris J Taylor's Baby Bertha | C6-5 | - | Simple solid flights from this rocket, flown more than I can remember. I now use it to verify wind... |
| 2011-08-07 | Rich DeAngelis's Big Bertha | B6-4 | 112 feet | Good liftoff, but added weight of the Iris payload, Nylon chute and nomex cloth makes B-power... |
| 2012-02-05 | Rich DeAngelis's Big Bertha | C6-3 | 428 feet | With a newly rebuilt and larger 24mm motor mount, the Bertha needed a test flight. I wanted to... |
| 2019-02-20 | Mark Rose's Estes Big Bertha | D13-7 | - | Great match with this motor--rail straight boost despite wind. |
