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Genesis of LMR & HPR.

18mm Series


High Altitude Research Device

H.A.R.D. is a three cluster 18mm sport rocket. It features very high performance design, easy construction, and high visibility streamer recovery. Try 3x18mm B6-0, C6-0 to 1x18mm A8-3, A8-5, B6-4, B4-6, B6-6, C6-7.
Skill 2
Motors 3x18mm
Recovery Streamer
Diameter 1.62"
Length 36"
Weight 120/85g
Drag (CD) 0.65/0.45e
CP(") na
SKU# 1126
Price $39.95
Definition Of Terms
H.A.R.D. Flys on three cluster 18mm with A 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.



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