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Lawrance 37HP B-75 Radial Engines (B-29 APU)
I have just listed on eBay two Lawrance B-75 5 cylinder radial engine
projects. These are absolutely adorable, something like a half size Kinner. Several small homebuilt aircraft have been powered by these war surplus jewels in years past, however they WILL need some modifications if they are to be used as airplane powerplants. They need the oil system to be changed to allow running upright, and they will need thrust bearings to take the propeller loads. My limited research shows that one or two of the Heath aircraft used them, the Driggs Skylark, post-war versions of the 1932 Powell Racer mini-biplane, and probably others. This is honestly not a bolt-on and fly situation... this is for experienced homebuilders and experienced engine restorers. But there are very very few tiny radial engines out there if that is what you want on a half size Zero or ultralight Stearman or whatever. Just go to eBay Motors, look in aircraft parts and/or aircraft engines, and type in Lawrance. Reserve is less than half the price of the only two other Lawrance engines I've seen for sale recently. |
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