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A superb image indeed! For the curious, the engine is a Jacobs L-4MB seven-cylinder R-755 (cubic inch) direct-drive, RH rotation, diameter 44", dry weight 505 lbs., bore 5.25", stroke 5.0", take-off power 245 bhp at 2,200 rpm., rated power 225 bhp at 2,000 rpm.,cruise 175 bhp at 1,900 rpm. It used the Stromberg NA-R7A carby and 73 octane fuel.