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Genesis of LMR & HPR.

18mm Series


RECORD BREAKER is a very high performance two stage direct 18mm sport rocket! It features very high performance design, three fin stability, easy construction, and high visibility streamer recovery. Perfect for altitide, streamer duration, and parachute duration competition events. Try 18mm B6-0 to A8-5, B6-0 to B4-6, C6-0 to B6-6, C6-0 to C6-7.
Skill 1
Motors 18mm
Recovery Streamer
Diameter 0.75"
Length 18"
Weight 25g
Drag (CD) 0.55e
SKU# 1124
Price $19.95
Definition Of Terms
RECORD BREAKER Flys on 18mm with 1/2A thru F power! For best results, use a 1/8" diameter launch rod. It does fly fine off standard model rocket launch pads. Its very strong and lightweight construction makes it fly surprisingly high compared to other rocket kit brands. Test it for yourself!
All U.S. Rockets 18mm series kits feature pre-cut plywood fins, heavy duty airframe tubes, strong elastic shock cord, illustrated assembly and flight instructions, and all the high quality parts needed to successfully assemble and fly a high performance model rocket. Launcher, motors, glue, sandpaper, sealer and paint not included.

Bruce Sexton's beautifully finished Record Breaker
is his choice to attempt 3 of the 4 NARTREK Bronze
requirements with one model (streamer duration,
parachute duration and two-stage). U.S. Rockets'
favorite colors too! You can join the National
Association of Rocketry at www.nar.org

Finished Record Breaker.



Record Breaker side view.

Record Breaker on the launch pad.

Record breaker with masking tape thrust rings affixed to the end of
the booster motor and 1/2" from the end of the upper motor.

Record breaker with masking tape thrust rings affixed.

Record breaker with motors installed. The booster sockets onto the
extended end of the upper stage motor. Both motors are retained
with a layer of tape over the thrust ring and the rear of the airframe
tube. Quick field changes are practical with this system.
The upper stage can accept any length motor as a result.

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