So...I've got this old OS 35 engine. Hasn't been run in at least 3 years. It was last on my old Eagle 2 and worked great...up until I crashed the plane all to hell!
So...I've since taken the engine off, and cleaned it up. I want to try to get it started again but I have no idea if it will actually go or not. I figured the first thing was to clean it so it won't be all gummed it. I lightly oiled the parts and put it all back together.
Now...test time will be tommorrow. But I'm just wondering about compression. I remember when I first got into the hobby that I bought an engine from a guy and it never would start because it didn't have good enough compression. I had to throw it out and buy this one. And now I'm worried that maybe this one wont have enough compression either because it seemed pretty weak when I turned it over by hand today.
So...my questions are: Why do engines loose their compression over time? What causes this? And is there any possible way to salvage it and get some compression back?
I guess another one...does anybody know of any good tricks to get this thing running after its been sitting for so long? I remember that we use to put a few drops of fuel right into the carb when engines were having difficulty starting.
Thanks for the tips, Jeremy