I just made a 1/4 scale HD-1 from Keiger plans which are detailed, although, no dimensions. You can see some construction and completed photos at my site
www.flygtm.com... (look under kits)
Also, Dick Bennett is building a full scale replica now. I believe his fuselage should be framed up. He is a member of GWAA which their website is
http://www.gwaero.org/homeframeset.html
Good luck - Glenn