OS Max Engines .46 AXII test run
18:40
DLE-20 RC Plane Gas Engine, Learning Series, No. 4: Test Run, Oil and Gas mixture, factory settings
14:51
OS 40 FP First Run
29:58
Restoring a seized vintage OS Max 20FP rc plane engine to top running condition. And test run.
36:43
OS Engine 60 FP Glow Engine Rebuild and Test Run
27:02
Ripmax Trainer 40 1.65m with OS Max 46AX glow engine Maiden flight
18:06
OS MAX FP 40 - Strip, Clean & Run - Early 1990's Glow Engine
5:26
OS 46 FX First Run
25:33