lapping
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Valve cutter tools works
I been struggling like others making good seal valve seat. Thanks to Brian Rupnow many articles, i made a valve cutter following his advise. The tool works perfectly, btw i use Brian Rupnow suggestion on 90 degree included angle for valve seat and 92 degree included angle for valve.The seat...- chandrakumar
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- david kerzel lapping valve valve cutter valve test webster
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- Forum: General Engine Discussion
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Lapping Brass
I'm building a small, double acting steam engine modeled after a design by Henry Maudslay. The engine uses a 3/8" diameter, 5/8" long stainless steel rotary valve which rotates inside a brass valve block. To reduce air leakage, I am trying to lap the valve bore in the brass valve block and...