Latecoere 4
1919
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Latecoere 4

A 10-passenger three-engined transport biplane.


Specification 
 CREW2
 PASSENGERS10
 ENGINE1 x 550hp Salmson 18CM + 2 x 260hp Salmson 9Z
 WEIGHTS
    Take-off weight8340 kg18387 lb
    Empty weight3615 kg7970 lb
 DIMENSIONS
    Wingspan24.80 m81 ft 4 in
    Length14.80 m49 ft 7 in
    Height6.25 m21 ft 6 in
    Wing area158.00 m21700.70 sq ft
 PERFORMANCE
    Max. speed180 km/h112 mph
    Cruise speed148 km/h92 mph
    Range1100 km684 miles

Comments
Graham Summers, 03.02.2018

Latécoère initially developed the Laté 4 as a bomber, the Laté 4 Bn.4. However the company realised that the growing transportation field was a more profitable source, and so the design was converted to carry 10 passengers.despite the change of use, the aircraft still had the appearance of a bomber aircraft. The first example was powered by a single engine Salmson 18CM engine, producing 550 hp, and two Salmson 9Z engines, rated at 260 hp. The first flight of the prototype aircraft took place in 1919. Two years later, a second aircraft was built with three Renault 12Ja engines with a capacity of 450 hp each.

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