Porous Bronze v Phosphor Bronze bearings for model engine

Jul 31, 2007 1 Replies
S

Just planning my next escapade, a v-twin 9cc aero engine. The front crankshaft bearing is a plain bearing called off in porous bronze. At



8000rpm for short duration runs, eg 5mins is porous bronze really necessary?

Regards



Steve



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P

Unless you have positive lubrication, yes. The porous medium holds oil.

Peter

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