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Checking the fin shape against the rocket.

Photo 7

I needed a template for the fins. Scrap thin plywood and pencil sketches are the way to go. Cardboard works, too, I just never have any around.

Checking the angle of the rocket sides.

Photo 8

The bottom of the fins will have a slight angle because of the taper of the rocket. I use an angle guide to measure the angle….


 

Page last updated 15 June 2007