Here's another ring-fin plan for 18mm motors. More doodling...

Length: 18.81"
Diameter: 0.908" (ST-8)
Fin Span: 3.37"
Weight: 1.12 oz

A8-3......195'......Dv 9 FPS.......36" x 1/8" rod
B6-4......370'......Dv 17 FPS......36" x 1/8" rod
B4-4......375'......Dv 20 FPS......36" x 1/8" rod
C6-3......690'......Dv 26 FPS......36" x 1/8" rod

Enjoy!

Attached Thumbnails

   

Attached Files

Tying Flyger.rkt (63.2 KB, 106 views)

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