Flanging Lightening Holes
Brian Carpenter from Rainbow Aviation Services demonstrates the use of Mittler Bros. dimple dies to flange lightening holes.
For "dimple die"
Simple Dimple Die
Dimpling sheet metal occurs in many places on a sheet metal aircraft. In this video, Jeremy Monnett of Sonex Aircraft demonstrates a simple way of dimpling.
Dimpling in hard to reach places
In an earlier Hint, we showed the "simple dimple die". In this episode Wally Anderson demonstrates another special tool that can be used to dimple sheet metal in hard to reach places.