slots and tabs

I figured a way to drill a through hole, then use that to rotate 90 degrees, and cut slots using a Dremel router. Now to place notches every 45 degrees on the end. 1/16” bit is my next try for holes and slot width. The notches mate with a pin on the catapult launcher, with hopes of allowing...

Recently, I was perusing Apogee's videos, and the construction build for the Zephyr came up. I have to say that I was pretty impressed by the way the fins and the CRs were set up. Now I'm wondering... Why don't all MPR/HPR vendors use slot and tabs for fin alignment on TTW designs? So long...