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View Full Version : New Design -- Thumper


CPMcGraw
02-14-2009, 11:18 PM
This is a high-performance LPR to MPR transition rocket. The fins are 1/8" aircraft ply, with TTW attachment. Thumper is designed to take the power of up to an F21, for flights over 3300'.

Length: 25.30"
Diameter: 1.34" (ST-13)
Fin Span: 7.42"
Weight: 2.57 oz

Launch Rod: 48" x 3/16"


C11-5........639'......Dv 10 FPS
D12-7.......1341'......Dv 12 FPS
E18-8W......2771'......Dv 8 FPS
F21-8W......3483'......Dv 17 FPS


Enjoy!

STRMan
02-15-2009, 08:18 AM
I REALLY like this model. Thanks for posting it!