Super Big Bertha Upscale Fins and Centering Rings

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SKU:
RW-SBB-UPSCALE-SET
Availability:
Custom work subject to requirements review; typically ships within 3 business days
  • Super Big Bertha plywood fins for 75mm (3 inch) airframe and 54mm motor tube
  • Super Big Bertha plywood fins for 98mm (3.9 inch) airframe and 54mm motor tube
$9.99

Description

These plywood through-the-wall fins and centering rings are upscale versions of the original Estes Big Bertha. Fin thickness ranges from 1/8 inch birch plywood for the BT-70 and 80 versions, to 1/4 inch birch plywood for the 3 and 4 inch versions, and 3/8 inch thick birch plywood for the 5.5 inch version.  More details on specifications like fin tab length forthcoming as we move this product into production.

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