Thalman T-4
![]() Thalman T-4 N53389
The 1953 ThalmanT-4 was a four-pace mid-wing cabin monoplane of all-wood geodetic construction. The one built, N53389, had manually retracting undercarriage. Initially powered by a 135hp Lycoming O-290, it was later converted to T-tail with a 170hp O-340.
Engine: 135hp Lycoming O-290 Wingspan: 40'0"
Useful load: 1050 lb
Max speed: 175 mph
Cruise: 155 mph
Stall: 45 mph
Range: 700 mi
Seats: 4
Undercarriage: manual retractable
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