If you know this blog, then you know what a Rat Motor is. But did you know there was also a Mouse Motor? Yep. While the Rat Motor was the big block Chevy V8 - really a truck engine - the Mouse Motor was - what else - the famous small block Chevy V8.
Here's a video of a 1/6th scale mini Mouse Motor machined from scratch by Jim Moyer. It's a replica of a Chevrolet 327 cu in V8 Mouse Motor that starts and runs.
Moyer took machinist and engineering measurements from an actual 1964 365 hp Corvette engine. The head and block were painstakingly machined from billet aluminum on a Bridgeport-style mill. The 5-main crank has real babbit bearings, while the cam is a scale 30-30 Duntov.The model is dead accurate.
I don't know what the horsepower and torque curves would be like for an engine this size, but it sounds like it would make a heck of a chainsaw engine. Loads of photos and specifications at Jim Moyer's website.
UPDATE: OK, the V8 chainsaw has already been done. Full size. And the V6. And the Harley V-Twin.Yikes.
Tuesday, January 19, 2010
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