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Zlin Z-37 Cmelak / OK-60 / Bumble Bee

zlin-z-37


The XZ-37 was first flown as OK-60 on 29 June 1963. Powered by a 310 hp Ivchenko Al-14VF, the aircraft went into production as a joint venture between Moravan and SPP at Kunovice in 1966. The Zlin Z-37 Cmelak was fitted with a 315 hp Walter M-462RF radial, a licence-built version of the Ivchenko AI-14.
In 1967, the first Z-37s were exported to East Germany and Yugoslavia. As in the West, the swing to turbines was noticed by Moravan and a new aircraft, the XZ-37T, was built at Otrokovice and made its maiden flight on 6 September 1981. It was powered by a 691-shp Walter M-60lB. Two more prototypes were completed in 1983, these powered by a 483-shp M-601Z turbine. Certification under BCAR (British Civil Air Regulations) was received in 1984 and production was started in 1985 as the Z-37T Agro Turbo. Two Z-37T-2 two-seat trainers were completed in 1987. An upgrade of the Z-37 with increased engine power followed and, although the aircraft was designated the Z-137T, the same type certificate is used. A total of 713 piston engined aircraft were built with the last be-ing 25-40.

Z-37

Span 40’ 01”
Length, 28’
Height, 9’ 10”
Wing area, 256 sq.ft
Empty weight 2,138 lb
Loaded weight 3,660 lb

Let Z 37 A Cmelak
Engine : Avia M 462 RF, 306 hp
Length : 28.215 ft / 8.6 m
Height : 9.514 ft / 2.9 m
Wingspan : 40.026 ft / 12.2 m
Wing area : 256.183 sqft / 23.800 sq.m
Max take off weight : 4079.3 lb / 1850.0 kg
Max. speed : 108 kts / 200 km/h
Cruising speed : 100 kts / 185 km/h
Initial climb rate : 787.40 ft/min / 4.00 m/s
Service ceiling : 13287 ft / 4050 m
Wing load : 15.99 lb/sq.ft / 78.00 kg/sq.m
Range : 346 nm / 640 km
Crew : 1-2

Z-37T
Engine : Walter M 601 Z, 360-483 shp
Length: 34.449 ft / 10.5 m
Height: 11.483 ft / 3.5 m
Wingspan : 44.619 ft / 13.6 m
Wing area : 287.399 sqft / 26.7 qm
Max take off weight : 5567.6 lb / 2525.0 kg
Weight empty : 2756.3 lb / 1250.0 kg
Max. weight carried : 2811.4 lbs / 1275.0 kg
Max. speed : 118 kts / 218 km/h
Landing speed : 42 kts / 77 km/h
Cruising speed : 103 kts / 190 km/h
Initial climb rate : 826.77 ft/min / 4.20 m/s
Wing load : 19.48 lb/sq.ft / 95.00 kg/sq.m
Range : 189 nm / 350 km
Crew : 1


Z-37T-2

Seats: 2

 

 


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