Donald J. Berk, Author at KITPLANES

1 POSTS 0 COMMENTS

Donald J. Berk - May 17, 2019 5

Converting a Strojnik S2A motorglider from gas to electric power.

Kerry Fores - September 18, 2024 3

Building time.

Jim Weir - January 19, 2018 0

I'm kind of loose with my engineering and teaching. I don't have a lot of hard-and-fast rules.

Kitplanes - April 12, 2011 0

Deforestation Explained ...

Paul Dye - August 17, 2018 0

GRTs new inexpensive HUD option.