1966-02-01

A Highly Compounded Two-Cycle Radial Light-Plane Engine 660173

The authors review the requirements, describe some of the unusual design features and characteristics, and present the performance and weight data for the new McCulloch TSIR-5190 aircraft engine. This powerplant is a highly turbosupercharged, two-stroke cycle, direct fuel injection, liquid cooled, 5 cyl radial engine of 190 cu in. displacement.
Maximum rated horsepower is 270 at 3600 rpm, and the brake specific fuel consumption, over the range from half-to full power, is below 0.5 lb/bhp-hr. The estimated “ready to fly” weight for the production engine is 365 lb. Some comparisons are made with currently available engines.

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