Specifications and Performance

Lockheed SP-2H Neptune 

 

Engine 2 x 3 700hp (2 759kW) Wright R-3350-32W Turbo Compound 18cyl. radials plus 2 x 3 400lb thrust Westinghouse J34-WE-36 turbojets
Wing Span 31.65 m 103ft 10in
Length 27.94 m 91ft 8in
Height 8.94m 29ft 4in
Wing Area 92.90sq m 1 000sq ft
Weight Empty 22 650kg 49 935lb
Weight Loaded (MTOW) 36 240kg 79 895lb
Max Speed 648km/h 403mph
Cruising Speed 302km/h 188mph
Initial Climb (approx) 536m/min 1760ft/min
Service Ceiling 6 705m 22 000ft
Range 3 540km 2 200miles

 

Compiled by Don Cameron