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Porous Bronze v Phosphor Bronze bearings for model engine
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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Re: Porous Bronze v Phosphor Bronze bearings for model engine
On Tue, 31 Jul 2007 18:18:18 +0100, "Steve W" <steve.withnell@btinternet.com>
wrote: >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 Unless you have positive lubrication, yes. The porous medium holds oil. Peter -- Peter & Rita Forbes Email: diesel@easynet.co.uk Web: http://www.oldengine.org/members/diesel |
