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Lycoming Sump/Oil Pan

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johnmcf

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Engine Guru's and Engineers

Is the Lycoming sump(or Oil pan) on an O-320/360 series a Structural Item? or is considered to be one?

I'm looking at ways of getting some weight out of the engine and I was considering a Aluminum sheet metal style fabrication. If the sump is structural then fabricating a sheet one may not result in little, if any, savings.

Cold air to be used in conjunction with.

Thanks
John


 

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