Estes Accessories Fin Alignment Guide 2231
FAST & ACCURATE fin alignment for three or four finned rockets.
A great tool from days gone by. No more guessing where your wood fins go, this guide does it all for you. Easy to follow instructions are included. No more door frames needed to draw that straight line for fin placement. Works with 3/32" (2 mm) or 1/8" (3 mm) wood. (Body tubes and wood not included.)
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ESTES FLYING MODEL ROCKET ACCESSORY FIN ALIGNMENT GUIDE EST 2231
In cruciform configuration, one of the fins is out of alignment by ~1-2 degrees. This was true for two brand new units.
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Fin Alignment Guide Works Well
Before this gadget, I had to glue one or two fins at a time and then wait for the glue to dry before gluing the rest. Now I can secure all three (or four) fins at once, straight and true. Why didn't I buy this thing 20 years ago?
