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Motors >>

Estes 1/2A3T

  • Manufacturer: Estes
  • Designation: 1/2A3T
  • Short Name: 1/2A3
  • Motor Type: single-use
  • Delays: 2,4 seconds
  • Diameter: 13.0000 mm
  • Length: 45.0000 mm
  • Propellant Weight: 2.0000 g
  • Total Weight: 6.6000 g
  • Average Thrust: 3.0310 N
  • Peak Thrust: 7.6200 N
  • Total Impulse: 1.0910 Ns
  • Thrust Duration: 0.3600 s

Flight Log

DateRocket NameMotor(s)AltitudeNotes
2012-05-15Dean Booth's Estes Star TrooperEstes 1/2A3-4T- Another picture-perfect flight on this reliable little rocket. Recovered close to the pad.
2012-04-14Mark Kulka's Estes Mini Brute Combo Super Flea (Clone)1/2A3-2- Great flight. Break-apart recovery.
2012-04-14Mark Kulka's Estes Mini Brute Combo Javelin (Clone)1/2A3-2- First flight of this rocket. Very straight and impressively high considering the windy conditions...
2012-04-11Paul Nortness's Mini Max1/2A3-4T200 feet Great first flight. streamer took a bit long to unravel but once it did it slowed MiniMax down...
2012-04-11Paul Nortness's Mini Max1/2A3-4T200 feet Second flight, winds were a tad stronger than last time. Perfect small field flight. Got up about...
2012-04-09 Cameron Talley's Estes Sky Dart1/2A3-2T- First launch of the day. Went straight up. Nice, stable flight. Ejection just past apogee, and...
2012-04-09 Cameron Talley's Estes Sky Dart1/2A3-2T- Last flight of the day. Megan prepped and launched. A perfect flight and landed maybe 40 feet...
2012-04-03Paul Nortness's S.C.R.A.M.1/2A3-4T200 feet Wow! Just like I remember. This baby boogies! Super fun flight with no hitches. Recovery was about...
2012-03-18Dean Booth's Estes Mini MaxEstes 1/2A3-2T- Just a little warm up flight to check the winds for my glider launch. Not too high on 1/2A power.
2012-03-18Dean Booth's Fliskits OverdriveEstes 1/2A3-4T- Nice flight. The only damage was some paint chipping from dropping it on the pavement. Dho!
2012-03-14Dean Booth's Semroc ThunderBeeEstes 1/2A3-4T- Maiden flight on my Thunderbee that's been completed for a while now. Winds were light and the...
2012-03-14Dean Booth's Estes Star TrooperEstes 1/2A3-4T- Blue skies made this little rocket easy to track. Recovered OK.
2012-03-11 Cameron Talley's Estes Sky Dart1/2A3-2- Last launch of the day and the second flight of this rocket. Flew nice and straight with only a...
2012-03-11Cameron Talley's Estes Sky Dart1/2A3-2T- My first rocket flight in nearly 20 years. Shot off the pad quick! Tracking was easy against the...
2012-03-03 Hans "Chris" Michielssen's Thor Able CardedEstes 1/2A3-2t-While it tried it's best ro go vertical, it was marginally stable. No real damage on recovery. The...
2012-02-29 Hans "Chris" Michielssen's Carded Downscale Satellite InterceptorEstes 1/2A3-2t200' est. feet Even with the streamer, this one hit hard on the basketball court breaking off one of the...
2012-02-04Jeffrey Gortatowsky's Deltie1/2A3-2T- Red Baroned! Grrr... very very rare for this model
2012-02-01Dean Booth's Estes Mini MaxEstes 1/2A3-4T- Oops! I meant to grab an A3-4, but mistakenly got a 1/2A3-4. Not a good thing. An unimpressive...
2012-02-01Dean Booth's Estes Star TrooperEstes 1/2A3-4T- This little rocket is ol' reliable on 1/2A3-4s. Good flight, nice smoke trail, recovered close.
2012-01-22 Jeffrey Gortatowsky's Arrowhead1/2A3-4T120 feet Nice up part. Chute did not open. Broken fins, missing pieces. Ugh. May or may not repair
2012-01-07Joe Vanlandingham's Moon Mutt1/2A3-3300 feet Great flight, good streamer recovery
2012-01-05 Hans "Chris" Michielssen's Carded Downscale Centuri Astro 11/2A3-5500 feet It drifted to the West and landed in the street. Parents were driving their kids to school and I...
2011-12-25 Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t- The winds were calm enough for my prototype Cyclone. After a boost with a 1/2A3-2t, the top half...
2011-12-10 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5450' est. feet Perfect flight. No damage under a long streamer recovery.
2011-12-04George Beever's Scratch Astron SpriteEstes 1/2A3-2- Good flight
2011-12-04George Beever's Semroc MicronEstes 1/2A3-2- Good flight.
2011-11-10 Hans "Chris" Michielssen's Carded Downscale Big BerthaMPC 1/2A3-5- This was a rebuild after losing the last one launched with an A3-4t engine. After a 350' boost,...
2011-10-23Dean Booth's Estes Star TrooperEstes 1/2A3-4T- Disappeared off the pad. I heard the ejection charge go, but never saw a thing. It was only...
2011-10-11Hans "Chris" Michielssen's Cork ScrewEstes 1/2A3-2t300' est. feet I rarely fly "naked" but I was trying out a new build of the Bruce Levison design - the CORKSCREW....
2011-10-11 Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t375' est. feet This one was an old protype and was loaded up with a 1/2A3-2t engine. From a peak altitude of...
2011-10-08Jason Orosco's Estes Mosquito1/2 A3-4T- Too many people showing up today only to flights.
2011-10-08 Jason Orosco's Estes Screamer1/2 A3-4T- Blew the shock cord out, no damge done to the rocket.
2011-10-05Dean Booth's Estes Star Trooper1/2A3-4- A nice flight on this recently-repaired rocket. Left a nice smoke trail against the clear blue...
2011-10-02Dave B's Pinkie Quark1/2A3-4T700-800' feet Cool little rocket. Speeds up at apogee and whistles on desent. Became a 5" long lawn dart and...
2011-09-22 Hans "Chris" Michielssen's Carded Downscale Centuri Astro 1MPC 1/2A3-5- Good first flight of the morning. High up, there was a little bit of wind and the model came down...
2011-09-18Jeffrey Gortatowsky's Deltie1/2A3-2T- Good boost. A fair enough glide for 23+ seconds
2011-09-18Jeffrey Gortatowsky's Magpie Version 1.371/2A3-4T- Fine flight. I knew -4 was too long a delay but it still ejected well before touching down for a...
2011-08-29 Hans "Chris" Michielssen's Carded Downscale Centuri Astro 1MPC 1/2A3-5- As you can see in the inset launch picture, it was fast off my tripod launcher with an MPC...
2011-08-18 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5450' est. feet Perfect flight and recovery, one fin loose at root edge on landing.
2011-08-17Dean Booth's Estes Star Trooper1/2A3-4- Nice boost and ejection, but then I noticed the streamer going one way and the body another. Both...
2011-08-13 Hans "Chris" Michielssen's Carded Downscale Cherokee T 13mmMPC 1/2A3-5425' est. feet Perfect flight and recovery. This rocket never fails.
2011-08-13 Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t200' est. feet Good whistle on boost. Lots of spin on both sections, more so on upper part.
2011-08-13Edward Chess's Edmonds Aerospace Ecee1/2A3-2- Short boost, nice glide, no damage, no trimming needed
2011-08-07 Rich DeAngelis's BetaA10/1/2A3435 feet Perfect flight and recovery. Apogee's 4' shiny red mylar streamer is good for this model. Since I...
2011-08-06 Jeffrey Gortatowsky's Deltie1/2A3-2T- Great flight as usual. These Deltie's are just fool proof. I got a 33 second flight before I...
2011-07-24 Tyler Runyon's Golden Scout1/2A3-4T- Straight up. It was a poor motor choice. It lawn darted. Banged up the NC, and crimp BT. Huge...
2011-07-18 Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t375' est. feet With no wind, the Cyclone landed close. Great spinning hover of the upper, single blade section.
2011-07-16Dean Booth's Fliskits Overdrive1/2A3-4- A nice flight, not too high and clearly visible. Ejected the motor.
2011-07-16Tyler Runyon's Estes Mini Max1/2A3-4T161 feet Straight boost off the mini launch pad. Thought that it was going into neighbors yard, but landed...
2011-07-15Dean Booth's Estes Star Trooper1/2A3-4- Star Trooper is an old reliable on A3-4Ts. A nice 19 second flight, recovered 50 feet away.
2011-06-30Dean Booth's Estes Star Trooper1/2A3-4- Arrow straight with no wind at all this morning. 20 seconds duration, recovered 50 feet from the...
2011-06-30Dean Booth's Fliskits Overdrive1/2A3-4- Perfect flight and recoverd on a 1/2A motor.
2011-06-24 Hans "Chris" Michielssen's Carded Downscale Cherokee T 13mmMPC 1/2A3-5425' est. feet Great flight. Landed hard on basketball court, but no damage, hit engine casing first.
2011-06-08Dean Booth's Estes Star Trooper1/2A3-4- Good flight despite drifting in the 15 mph wind.
2011-06-08Dean Booth's Fliskits Overdrive1/2A3-2- I almost loaded an A3, but was really glad I didn't. The streamer and externally-mounted shock...
2011-06-06 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5425' est. feet Broke another fin at the root edge. I don't think I could make the streamer any longer! It's...
2011-06-01Dean Booth's Estes Star Trooper1/2A3-4- The motor ejected despite the wrap of masking tape, making for a nice, slow descent. (Luckily,...
2011-05-29Bill Eichelberger's Edmonds Aerospace Tinee1/2A3-4- Oops. Wrong motor. I meant to grab the 2 second delay. Ejection charge drove it into the ground.
2011-05-29Bill Eichelberger's Edmonds Aerospace Tinee1/2A3-2- Much better flight. Glide phase interrupted by a misplaced hill.
2011-05-18 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5450' est. feet Perfect high flight. I caught it before it hit the ground, so no broken fins.
2011-05-14Howard Smart's 18mm Contest Rocket1/2A3-4- 49 sec, winner of 1/2A PD event
2011-05-14Howard Smart's QCR Flexwing1/2A3-2- Flexwing duration contest. Failed to deploy wing - foam piston stuck on back end of spars and...
2011-05-14Howard Smart's QCR Flexwing1/2A3-2- Second attempt. Deployed but never transitioned. Steep glide. DQ by the Contest Director as "no...
2011-05-08Duffy Johnson's Zinger1/2 A3-101000 plus feet Great launch, but lost sight of rocket as it fell and did not recover it.
2011-05-04 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5450' est. feet This is my rebuilt second Thunderbee. At landing it bounced on the low grass. Two cracked fin...
2011-05-01 Jeffrey Gortatowsky's Chicago Chopper1/2A3-2T- Perfect boost.. I really thought I'd get it this time... but no... this time something really odd...
2011-04-27Dean Booth's Fliskits Overdrive1/2A3-2- Sprinkling rain, but I decided to get a couple of flights in. Recovered OK.
2011-04-10Matt Gillard's Scratch - Son of Dent1/2A3-2354 feet first flight
2011-04-10Dean Booth's Estes Star Trooper1/2A3-4- Another nice flight after finally locating this little rocket in the grass. I broke a fin off...
2011-04-10Dean Booth's Estes Star Trooper1/2A3-4- A nice high flight. I took my eyes off it just before landing, and that little green rocket...
2011-04-04 Hans "Chris" Michielssen's Carded Downscale Big BerthaEstes 1/2A3-2t350 feet Good, stable flight.
2011-04-04 Hans "Chris" Michielssen's Truax Carded PatriotMPC 1/2A3-5375 feet Great flight, I'll have to seal the printed cardstock better. Some red ink rubbed off when drying...
2011-04-02Hans "Chris" Michielssen's Carded Downscale Big BerthaMPC 1/2A3-5- Didn't blow out melted streamer at ejection. Landed with no damage.
2011-03-25 Hans "Chris" Michielssen's Carded Downscale Patriot 13mmMPC 1/2A3-5125 feet Got 100 feet up and tail slid, ejection was very close to the ground. Could be a bad engine, this...
2011-03-25 Hans "Chris" Michielssen's Carded Downscale Big BerthaMPC 1/2A3-5- Stable but a slight coning during boost. Full streamer deploy.
2011-03-20Bob Bernatchez's Estes Beta CloneA10-0/1/2A3-4- good flight
2011-03-18 Hans "Chris" Michielssen's Carded Downscale Cherokee T 13mmMPC 1/2A3-5450 feet Once again, a 35 year old MPC Minijet did it's job well. I had a 100 yard run to pick it up.
2011-03-18 Hans "Chris" Michielssen's Truax Carded PatriotEstes 1/2A3-4t- Very stable, I added nose weight washers to move the CG forward. Still, great altitude and full...
2011-03-05Jeffrey Gortatowsky's Deltie1/2A3-2T- Super flight. 30 seconds.
2011-02-26 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5- On this new re-build, broke a another fin on landing!
2011-02-24 Hans "Chris" Michielssen's Cork ScrewEstes 1/2A3-2t- While it did corkscrew in flight, it didn't "cone" as much as I expected it to. Still, stable...
2011-02-24 Hans "Chris" Michielssen's Carded Downscale Patriot 13mm1/2A3-5- Stable with a little tail wiggle. The five second delay is a little long but safe ejection and...
2011-02-20Bernard Cawley's Whatchamacallit1/2A3-2- Quick off the pad. Good deployment at about right time. Landed near east edge of field. Readjusted...
2011-02-20Bernard Cawley's Semroc Astro-Jr1/2A3-4- Nice straight boost. Deployment well past apogee, but no damage to 'chute. Landed on west edge of...
2011-02-20 Jeffrey Gortatowsky's Deltie1/2A3-2T- Excellent boost, good separation, and 47 second slowly circling flight! Yeah!
2011-02-20 Jeffrey Gortatowsky's Chicago Chopper1/2A3-2T- Not so great. Deployment of the rotors went fine! But spin up barely happened before landing. No...
2011-02-19Bob Bernatchez's Estes Beta CloneA10-0/1/2A3-4- Not bad for a first flight.
2011-02-19Bob Bernatchez's Estes Beta CloneA10-0/1/2A3-4- Got a straighter flight this time. Altitude was pretty good.
2011-02-19Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t- 25 second duration on the Mapleseed upper section.
2011-02-14 Hans "Chris" Michielssen's Carded Downscale Cherokee T 13mm1/2A3-5- Lots of smoke from this 35 year old MPC Minijet engine.
2011-02-14 Hans "Chris" Michielssen's Semroc ThunderbeeMPC 1/2A3-5450 est. feet Landed on grass but broke off a different fin this time!
2011-02-14Hans "Chris" Michielssen's Carded Downscale Wolverine 13mmMPC 1/2A3-5- Still a little wiggle during boost from the asymetrical fin arrangement.
2011-02-05 Hans "Chris" Michielssen's Odd'l Rockets CycloneEstes 1/2A3-2t- Quick off the pad. At ejection, both parts helicoptered in. Lots of drift in high winds.
2011-01-31 Hans "Chris" Michielssen's Odd'l Rockets Cyclone1/2A3-2t- Calm with no decernable wind today. Great vertical flight with long monocopter recovery on the...
2011-01-15 Hans "Chris" Michielssen's Odd'l Rockets Cyclone1/2A3-2t- Good duration for the Mapleseed upper section. Lots of surprised onlookers.
2011-01-14 Hans "Chris" Michielssen's Carded Downscale A-20 Demon 13mm1/2A3-2t- Low altitude flight, I should have went with an A3-4t or A10-3t engine. Very stable, good flight...
2011-01-03Dean Booth's Estes Gnome - RETIRED (2)1/2A3-2- 27 degrees made it a little hard to prep.
2010-12-26Brian Hoover's Edmonds Aerospace Ecee1/2A3-4- best flight yet, good boost coast too long, glide great with the wind
2010-12-15 Hans "Chris" Michielssen's Odd'l Rockets Cyclone1/2A3-2- This is a Mapleseed recovery rocket designed by Jonathan Mills. A great model with a fast spinning...
2010-12-11 Moe Bertrand's Mini Baby Bertha1/2A3-2- Another good flight of my little Mini Baby Bertha

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