The Hallett Aircraft Engine
WITH THE first unit of 50 engines contracted for and now in production for delivery within 60 days, the Hallett Manufacturing Co., Los Angeles, Calif., is definitely in the market with a new radial aircraft engine. The Hallett model H-526 is a seven cylinder, static radial, air cooled engine rated at 130 hp. when turning a maximum of 1800 r.p.m. The cruising speed is 1500 r.p.m., displacement is 526 cu. in., total weight 425 lb., bore 4⅜ in. and stroke 5 in.
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