Tri-Pacers were powered by Lycoming engines. The engine line included the 125-HP O-290-D engine, then the 135-HP O-290-D2 engine, the 150-HP O-320-A engine, and finally the 160-HP O-320-B engine.
The Tri-Pacer measures 20.4 feet long and 8.33 feet high. It has a wingspan measuring 29.3 feet, and the wing area measures 147.5 square feet. It uses a 74-inch two-blade propeller. The plane has a gross weight of 1,800 pounds, with an empty weight of 1,000 pounds and a a useful load of 890 pounds. The baggage allowance for the plane is 100 pounds.
The plane has an average takeoff roll of 1,220 feet. The aircraft has a rate of climb of 725 feet per minute, and its best stalling speed is 49 miles per hour (mph).
The Tri-Pacer has a top speed of 141 mph. Its cruising speed, at 75 percent of power and 7,000 feet altitude, is 134 mph. Service ceiling, or maximum altitude, is 19,000 feet.The plane has a usable fuel capacity of 44 gallons. At 75 percent power and 7,000 feet altitude, the cruising range of the plane would be 655 miles.
