sp-400 Archives - KITPLANES

Dave Prizio - April 22, 2016 0

Nuts and bolts.

Vic Syracuse - March 18, 2021 2

Look very closely and you will see liquid in the tubing. This is the...

Bob Hadley - August 8, 2025 1

Build a simple aluminum jig to drill AN bolt threads for safety wiring—perfect for when your hardware bin is missing just one critical part.

$Aircraft designs now can be built in a fraction of the time necessary in the early days of homebuilding. [Credit: Adobe Stock]$

Randall Brink - February 13, 2026 0

Everything has gotten easier.

Tag: sp-400