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
recovery. Try 3x18mm B6-0, C6-0 to 1x18mm
A8-3, A8-5, B6-4, B4-6, B6-6, C6-7.
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
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
rocket. Launcher, motors, glue, sandpaper, sealer and paint not