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John Powell's Rocketry Page

Updated 09/10/2020, 10:57 P.M. mountain time.


A picture of my LOC/Precision Lil' Nuke rocket at liftoff on a flight in which it got 100' up and went horizontal.(Engine: F22-7)

My name is John Powell. I am a member of C.R.A.S.H. (Colorado Rocketry Association Of Space Hobbyists). I am also NAR (National Association Of Rocketry) #75044.

New 9/10/20!My rocket fleet, including rare Estes kits. CATOs my rockets have suffered

Updated 9/10/20!My Rocket Motor Collection

Updated 9/10/20!My Rocket Pictures Page

New 9/10/20!Rocket videos page

Paracalc parachute size calculator and other rocketry software

Coming soon: My LDRS 22 Photos!! -> still need to review

Great rocket links

Current Project: Certifying level two. I attempted to certify level two at LDRS XXII, and my flight, while not successful, went ok, reaching an altitude of just over 3900 feet (the actual altitude was stored in my planner and was lost when my planner died.). The rocket, named Bluebird, is 3" in diameter and about 6' tall. Its carbon fiber composite fins and coupler were built by Tom Aspenwall. I launched it on a Pro38 J285. Recovery deployment was via a Missileworks RRC2 altimeter. Thanks to Jim Amos of Missileworks for rental of the Pro38 casing. The drogue 'chute deployed perfectly, but my main chute didn't deploy. The rocket suffered no damage on landing, though. A pic of the rocket on the pad (at LDRS) just prior to launch on J285 power is below. The pic is thanks to Chuck Luciano. I have since tried again at a Northern Colorado Rocketry launch. In that launch, the main chute failed to deploy due to the altimeter battery disconnecting internally when the drogue was deployed. Again, the rocket suffered only very minor damage. I was going to try again the next day, but a sudden gust of wind blew the rocket off a table and broke the lower coupler and smashed the electronics bay. My next plan is to build a LOC/Precision Big Nuke kit (already purchased). With that kit, I will likely go with motor ejection and as low and slow a flight as possible. RockSim predicts 1680' with a Pro38 J270G motor or 1716' with the J285 I've used before.

Past Project: Certifying level one. I have a LOC/Precision Graduator that has fiberglass reinforced fillets on the fins. I launched on the second of January, 2000. The motor I used was an H128.

My certification flight took place on January 2, 2000, and was a success. The H128 motor launched on the first attempt, and my model A1 altimeter said my rocket reached an altitude of 2645 feet AGL. I hope I was the first person to certify level one this milennium. A pic of the launch is below. Click it to see it full size.

Some good rocketry links:

New!The Rocket Forum
New!JimZ Rocket Plans - a repository of plans for OOP rocket kits.
New!Ye Olde Rocket Shop - has forums, more OOP rocket plans with many lesser known brands represented, decals and more.
New!Eureka Products - makes a tracker that has been recommended on the rocketry forum for locating rockets. I had a friend hide my transmitter in a field and I got within a foot. The ultralight transmitter will fit in a 29mm diameter rocket.

The Rocket Garden - a Colorado rocket vendor
Aerotech Consumer Aerospace
LOC/Precision Rocketry
Public Missiles Limited
Public Enemy Rockets
Apogee Components
Rocketarium - An online store with a good selection of smaller kits

Email: jwptrek@aol.com

Rocketry Ring

This Rocketry Ring site
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