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Old 08-11-2019, 10:22 AM
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LeeR LeeR is offline
Retired with Way Too Many Kits
 
Join Date: Jun 2007
Location: Colorado
Posts: 2,375
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The four fins nestled between motor tubes is how I did my upscale Astron Cobra. I poured epoxy into the valleys between two fins, and attached one fin at a time until epoxied cured, then I added the next.

These are 24mm motor tubes in a BT-80H heavy wall tube.
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Lee Reep

Projects: Super Sky Hook, Super X-Ray, Estes Phoenix, Big Daddy, QCC Explorer
Awaiting Paint: Estes Saturn 1B
Last Completed: Semroc Spaceman
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