Fin development

Evolution of fin design

Fin development is one of the hardest parts of designing and building a stabilization system in my experience. It has to be aerodynamically sound, servo compatible and not break when initial liftoff forces kick in.

V1 and V2 of Grid fins (black mark designates rejected)

print "lesions" that occur for some reason

fin mounted on servo

Recessed mount fin (still has those pesky lesions)

Fin revisions

Initial supersonic fin design

Gridfin V1

fin blending example

Bonus pic of my "office" at techshop