Engine is a 180HP Lycoming 0-360 A1A with a McCauley constant speed propeller. Stall at gross with flaps is 59mph. Virtues Roomy cockpit. 46 inches across. About the same as a Bonanza which means two big blokes can sit in the front with plenty of space between the shoulders.
Rear seat can accommodate three with loads of legroom for six footers.
Easy to access. Better than almost anything else around. Good heating and ventilation. Construction doesn t suffer from corrosion, glue failure not an issue by the 1960s. No hydraulics, hoses only for oil cooler and propeller oil line.