Quote:
Originally Posted by Tom Vaught
So do you actually know what the the tensile strength of the shaft really is?
Tom V.
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Tom, I do not. It just seems like a logical approach to me. My reason being that an oil pump shaft in properly applied normal service (no mechanical interference from counterweight for example) really isn’t subject a tremendous amount of stress. If it was, the typical V8 would likely have a much more sturdy way to spin the pump. I envision a piece of lumber, a 2x4, say 6’ in length. If you tried twisting it from each end, it would take a lot of force to break it. Now put that same 2x4 between two saw horses and try to sit on it - SNAP! Different story. Personally I don’t see how turning it down .045 would significantly weaken it, but I am neither scientist nor engineer, merely a shade tree mechanic.
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