Rocketry Works

Snarky Fin Upgrade 1/8 inch Plywood

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  • Snarky Through-the-wall fins fit 29mm motor mount in 56mm (BT-70) tube
  • Snarky surface mount plywood fins
  • 18 inch BT-70 tube slotted to fit Snarky aft fins
  • 24mm - BT-70 Plywood Centering Rings
  • 29mm Heavy Wall LOC - 56mm (BT-70) Centering Rings (2)
  • 29mm Heavy Wall Motor Tube 12 inch


These 1/8 inch birch plywood fins and centering rings for the Dynastar Snarky replace the stock balsa fins and centering rings. Options include a choice of 24mm centering rings or 29mm motor mount, surface mount plywood fins to match the stock balsa fin shape, or through-the-wall plywood fins for increased strength. Optionally, you may choose an 18 inch pre-slotted airframe tube to save yourself the trouble of slotting the stock tube to fit the through-the-wall fins.  The through-the-wall fin option includes fin tabs only for the 3 aft fins; the forward wings nest into the longitudinal joint between airframe tubes.  The tricky longitudinal airframe tube cut is still on you.

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Additional Information

Weight (per set through-the-wall mount):
105 grams (3.7 ounces)
Weight (per set surface mount):
97 grams (3.35 ounces)
1/8 inch (3 mm)
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