Plywood Swept Fins TTW fits 24mm in BT-70 (Set of 3)

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SKU:
RW-24MM-BT-70-TTW-3MM-SWEPT-FIN
Availability:
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  • Upscale Alpha 3 fins for 24mm motor mount in BT-70 airframe
  • BT-70 Alpha fins in an upscale Alpha 3 (sold separately)
$8.99

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Description

Save yourself the trouble of cutting your own plywood fins with thee sturdy through-the-wall (TTW) 1/8 inch thick laser cut plywood fins. The swept shape fins are an upscale clone of the Estes Maxi Alpha 3 fins, and in fact, these form the foundation of an upgraded BT-70 Maxi Alpha-3 with a 24mm motor mount. Strong plywood construction and TTW design ensures that you spend more of  your flight time flying, and less time repairing broken fins. TTW fin design relies on fin tabs that anchor directly to the airframe tube and also the motor tube through slits at the aft end of the airframe tube, ensuring superior strength and straight alignment, because the fins are glued to both the airframe tube and the motor tube. 3 fins per set.

 

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Additional Information

# Fins per Package:
3
Weight for 3 fins:
57 grams
Thickness:
1/8 inch
Root Cord Length:
4.74 inches (120mm)
Semi-Span:
3.35 inches (85 mm)
Sweep Length:
4.68 inches (119 mm)
Tip Cord Length:
2.35 inches (60 mm)
Tab Depth:
0.622 inch (16 mm)
Tab Length:
4.5 inches (111 mm)
Tab Offset:
0.26 inch (3.87 mm)
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