7:48

OS FF-240 and FF-320 Pegasus Test Run With a 22 x 12 Prop by Morris' Mini Motors

6:43

Sound and Power OS FT300 Super Gemini first run

8:26

OS FT 160 new Japanese marvel final run

15:03

Miniature FLATHEAD Four Cylinder Engine Assembly & RUN!

11:59

OPCE Four Cylinder Engine Story

6:29

OS FS 155 Alpha vs Saito 200 Class engines

9:32

Pratt & Whitney R 1340 Restoration and initial start up

5:35

OS FS 155 Alpha first run