RB-50F Superfortress Reference

To view Pilot Handling Notes, click HERE

To view additional reference data, click HERE

SPECS: For explanations of "V" speeds, see "V-speeds" in the            Learning Center Glossary.

Engines:....
4x 3,500 BHp,
28 Cylinder air cooled radials,
Pratt & Whitney
R4360-35 Wasp Major
Props:......
to be done
Fuel cap – onboard
.......6,858 USG
.......(= 41,148 lbs.)
Fuel cap – onboard
& wing tip tanks
.......8,258 USG
.......(= 49,548 lbs.)
Fuel cap – onboard
& wing tip tanks
& with bomb bay ferry tanks
.......10,898 USG
.......(= 65,388 lbs.)
Grade:.........100 / 130
Oil cap:.........?? USG per engine
Pressurization 6.85 to 1
Wheel tread........28’ 5.6”
Wing span.141’3”
Length........99 ft.
Height.........29’ 6.7”
MGW.......170,400 lbs.
MLW.......120,000 lbs.
Empty........91,440 lbs. depending on building block and armament (turrets or without turrets)

Vne......325 mph (283 KIAS)
Vc........310 mph (269 KIAS)
V1........121 mph (105 KIAS)
Vy........170 mph (148 KIAS)
Va........208 mph (181 KIAS)
Vmc.(single engine
............170 mph ( 148 KIAS)
Vso.(empty)....99 mph ( 86 KIAS)
Vso.(full)....186 mph (161 KIAS)
Vfe (5°).220 mph (191 KIAS)
Vfe (15°).200 mph (173 KIAS)
Vfe (35°).180 mph (156 KIAS)
Vlo (Vle).200 mph (173 KIAS)
Vll (Landing light extension)

220 mph (191 KIAS)

Fuel flow.......765 GPH
.......................for flight planning

Cruise............430 GPH

Max range.......4,100 Nmi.

Engine limits (HP. R.P.M. M.P. Alt.)

Takeoff Wet (5 min.)
3500 HP / 2700 RPM 62.0” A.S.L. / 3250 HP /2700 RPM /30’000
Maximum Continuous Power
 High Blower (6.38 to 1)
2,650 HP / 2,550 RPM / 30,000 ft.

Propeller Specs

Propeller – “to be done” with 4 blades each
propeller limits:
Diameter: Maximum 16' 8"
Full decrease RPM angle 57°
Full increase RPM angle 17°
Full reverse pitch -15.7°
Feather angle 84.7°

reverse props in pairs – right or left side or all four on once.