The Canadair Four is a progressive development of the DC-4M-2 which embodies features if both Douglas DC-4 and DC-6, and was adapted to take four 1730 hp Merlin 620 engines.
Canadair C-4 / C-5 / C-54G-M / North Star / Argonaut Article
The DC-4M-2 is externally similar to the Canadair Four and was employed by the RCAF and Trans-Canada Air Lines. The Canadair Four has been delivered to Canadian Pacific Airlines and British Overseas Airways Corporation, the latter designating the type Argonaut.
The R.C.A.F. uses a Canadian-built version of the Douglas C-54 known as the C-54G-M North Star, with Rolls-Royce Merlin 620 engines.
A total of seventy-four DC-4Ms and Canadair Fours were built by Canadair Ltd.
The single Canadair C-5 used by the R.C.A.F. is basically a North Star with 2,100 h.p. R2800 radials.
Canadair Four
Engine: Rolls-Royce Merlin 626, 1760 hp
Wing span: 117 ft 6 in
Length: 93 ft 7.5 in
Height: 27 ft 6.5 in
Empty weight: 46,832 lb
Loaded weight: 82,300 lb
Max cruise: 325 mph at 25,200 ft
Max cruise: 280 mph 12,800 ft
Service ceiling: 29,500 ft
Passenger capacity: 40
All Aero 