Archive for August, 2007

O.S. FS-91 Surpass II runs!

Monday, August 13th, 2007

I got it on the bench today and ran the FS-91 today. I ran into a minor problem with my adjustable compression device and will have to make another. I made a mistake during machining and it failed shortly after the engine warmed up. Everything looks good. A little shop time I’ll give it another […]

Norvel .074 Diesel Conversion Runs

Wednesday, August 1st, 2007

I ran the Norvel .074 Diesel Conversion today. Running the previously mentioned fuel which is 28% castor oil, 35% ether, 35% kerosene, and 2% amyl nitrate, it turned a Graupner 8×4 Super Nylon at approximately 11,000 RPM. Idle was roughly 4500. The engine is getting better with runtime. It has only about one hours total […]