I make a kit for this plane.

Jerry is by far an under-rated designer. The D520 is a solid scale design (like most of his planes). He tends to design with "chunkier" materials, but makes light wood choices. The result is a plane that is solid, fairly light, and not over built.

Mace Gill
The Aeroplane Works
http://www.theaeroplaneworks.com
(732)-356-8557