1990-08-29  | Howard Smart's Semroc Tau Zero | B6-4 | - | NC separation due to failure of the elastic. No damage. Love the sand at Fiesta Island! |
| 2006-06-01 | Jay Goemmer's Semroc Tau Zero | A8-3 | 300 feet | Maiden flight of this previously untested design.Forgot to friction-fit motor with masking... |
2006-06-25  | Bill Eichelberger's Semroc Tau Zero | B6-6 | - | Great first flight, but the guy on the button hit it too early.Missed the picture. |
2006-06-25  | Bill Eichelberger's Semroc Tau Zero | C6-7 | - | RIPPED!!!And recovered almost in the same spot as the B6-6 flight despite the added altitude.(Got... |
| 2006-07-15 | Jay Goemmer's Semroc Tau Zero | C6-5 | 30 feet | Cartwheeled off the pad, traveled 50 feet horizontally, and hit the gravel road about six feet in... |
| 2006-07-15 | Jay Goemmer's Semroc Tau Zero | B6-4 | 600 feet | The launch director asked if I noticed that this flight was a little less stable than the last.I... |
| 2006-07-15 | Jay Goemmer's Semroc Tau Zero | A8-3 | 300 feet | I remembered to tape the engine in.(Amazing how much more effective that is.)Ejection charge... |
| 2006-08-19 | Jay Goemmer's Semroc Tau Zero | C6-5 | 1100 feet | Partially ejected motor dragged the rocket down tail-first, and busted off an outer fin on impact.... |
| 2006-08-19 | Jay Goemmer's Semroc Tau Zero | C6-5 | 800 feet | About 150 feet up, the rocket veered to one side. On recovery, I found didn't get the broken fin... |
| 2006-08-19 | Jay Goemmer's Semroc Tau Zero | C6-5 | 1100 feet | A bigger, beefier screw eye (Semroc SE-14) resolved this design's stability issues.Kicked the... |
2006-09-10  | Bill Eichelberger's Semroc Tau Zero | B6-4 | - | Another great flight.Streamer didn't deploy, but the rocket is light enough to float down and land... |
| 2006-10-21 | Jay Goemmer's Semroc Tau Zero | C6-5 | 1100 feet | Arrow-straight flight, weathercocked slightly into the breeze. Landed 100 feet away from the... |
| 2006-10-21 | Jay Goemmer's Semroc Tau Zero | B6-4 | 500 feet | Motor decided it was a B6-2, and blew rocket into 3 separate pieces while it was still upward... |
2007-06-03  | Bill Eichelberger's Semroc Tau Zero | C6-5 | - | Wiggled slightly as it left the pad, but a great flight and recovery. |
2009-01-31  | Howard Smart's Semroc Tau Zero | A8-3 | - | Recovery descent too fast with stock streamer. Broke off one laser gun. |
| 2009-01-31 | Howard Smart's Semroc Tau Zero | B6-4 | - | Ejected motor casing (even with engine hook). Still recovered under streamer. No additional... |
| 2009-01-31 | Howard Smart's Semroc Tau Zero | C6-5 | - | Nose cone rebound damage to front of BT at ejection. Broke one fin off on landing - descent too... |
| 2009-02-15 | Chan Stevens's Semroc Tau Zero | | - | |
| 2009-03-22 | Jamie Martin's Semroc Tau Zero | B6-4 | - | |
| 2009-03-22 | Jamie Martin's Semroc Tau Zero | A8-3 | - | First flight, straight and stable, came down on a 12 chute |
| 2009-03-22 | Robert Gustin's Semroc Tau Zero | C6-5 | - | Beautiful flight. Nice and straight off the pad. Stable and soaring into the air. |
| 2009-03-22 | Robert Gustin's Semroc Tau Zero | B6-4 | - | Very nice, stable flight. Straight up, beautiful. |
2009-03-22  | Robert Gustin's Semroc Tau Zero | B4-4 | - | Perfect flight. Nice and straight up. Stable. Picture taken just at ignition. |
| 2009-03-22 | Robert Gustin's Semroc Tau Zero | A8-3 | - | Underpowered but stable. Very low flight. 75 feet max. |
| 2009-04-01 | Tyler Jones's Semroc Tau Zero | C6-5 | - | Another perfect flight! Ejection right at apogee. |
| 2009-04-01 | Tyler Jones's Semroc Tau Zero | A3-3 | - | Good launch. A bit Low. A8-3 is underpowered for this rocket. |
| 2009-04-01 | Tyler Jones's Semroc Tau Zero | B6-4 | - | Great flight! Perfect ejection. |
| 2009-05-23 | Peter Stanley's Semroc Tau Zero | B6-4 | - | |
| 2009-05-23 | Peter Stanley's Semroc Tau Zero | A8-3 | - | |
| 2009-05-24 | Peter Stanley's Semroc Tau Zero | A8-3 | - | One fin popped off upon landing, but was easily fixed. |
| 2010-03-06 | Chan Stevens's Semroc Tau Zero | B6-4 | - | Added 2 more feet of elastic, finally got a flight without nose damage. |
| 2010-03-27 | Dick Stafford's Semroc Tau Zero | C6-5 | - | High flight. Lost but later found. |
| 2010-08-21 | Dick Stafford's Semroc Tau Zero | C6-5 | - | Very fast and high. Again the rod was angled into the wind. recovery was 25' from the pad. |
| 2010-10-10 | Dale Marshall's Semroc Tau Zero | B6-4 | - | Nice flyer and another perfect flight. No nosecone snap-back this time, and a perfect landing. |
2012-03-18  | Bill Eichelberger's Semroc Tau Zero | A8-3 | - | Perfect flight and recovery. Nice and low, so I got to see the whole thing despite the advancing... |
| 2012-05-26 | Dick Stafford's Semroc Tau Zero | A8-3 | - | |