17:08

Ep. 40 - Rans S-21 Wing Strut Truss

32:03

Wing Spar Shear And Moment

15:33

Lycoming Exhaust Valve Wobble Test

8:49

Piper Wing Spars Explained

20:41

Rans S-21 Outbound Trim Tab Assembly, Tips and Tricks

25:30

Ep. 41 - Rans S-21 Left Wing: Part 1

20:49

Installing Wings on the RANS S-21 Bushplane Build

1:37:25

Building the Rutan Composites - by Ferde Grofe, presented by Burt Rutan and Mike Melvill - full DVD