Convair 640

Technical Specifications


 
First Flight: August 20, 1965
Number Built: 27 converted from CV-340/440
Length: 79 feet 2 inches
Wing Span: 105 feet 4 inches
Height: 28 feet 2 inches
Max Take-Off Wt.: 55,000 lbs.
Max Landing Wt.: N/A
Empty Wt.: 27,760 lbs.
Max Cruising Speed: 300 mph   261 kts 
Normal Cruising Speed: 300 mph   261 kts
Approach Speed: 150 mph   130 kts
Landing Speed: 125 mph   110 kts
Stall Speed:  97 mph     84 kts
Service Ceiling: 23,000 feet
Fuel Capacity: 2540 US gallons 
Range: 3005 miles
Fuel Type: Jet A
Fuel Consumption: 386 gph both on climb-out
254 gph both @ cruise
286 gph both flight plan burn
Engines: 2 Rols-Royce Dart RDa10 Mk542-4  rated @ 2750 eshp each 
Seating: 56 Passengers
Crew: 2 Pilots and 2 Flight Attendents
Engine Specifications
 Rolls-Royce Dart RDa10 Mk542-4
Type: Axial-flow prop-jet
Diameter: N/A
Length: N/A
Compressor Stages: N/A
Turbine Stages: N/A
Weight: N/A
Starter: Air-frame furnished
Fuel Grade: Jet A
Estimated Shaft Horse Power: 2750 eshp each