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Dec 29, 2013, 01:08 PM
Cat Man
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ASP FS 61 and Saito FA-45S

I was bored today and decided to open up a couple of engines for an internal inspection. First off was my ASP FS 61 which has about 1 hour of run time on in, bench and flight time. By looking at the inside I would have been hard pressed to believe I have run it that much. Note how much larger the intake valve is compared to the exhaust valve.

The other engine I opened up was my trusty Saito FA-45S. I have had this engine for a number of years, >10, but I don't know how much total runtime it has. Again, by looking at the internals it doesn't seem like much. See how the intake and exhaust valves are the same size in this engine?
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