A two-motor cluster design for 13mm motors. Simple sport rocket, with good performance.

Length: 20.13"
Diameter: 1.34"
Fin Span: 3.78"
Weight: 1.3 oz

(2) A3-4T.....500'.....10 FPS

The other 13mm motors currently in production deploy the parachute at too high a velocity to be safe. Safe flight velocity is reached at 23", so a 36" rod is sufficient.

Enjoy!

Attached Thumbnails

 

Attached Files

Swish.rkt (36.8 KB, 105 views)

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Craig McGraw

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