Grumman OV-1 Mohawk

The Grumman OV-1 Mohawk is an armed military observation and attack aircraft that was designed for battlefield surveillance and light strike capabilities.

It has a twin turboprop configuration, and carries two crew members in side by side seating.

The Mohawk was intended to operate from short, unimproved runways in support of United States Army forces.

Variants

YAO-1 (YOV-1A)

Initial prototypes.

OV-1A (AO-1AF)

Daylight observation variant.

OV-1A 

Fitted with two additional Westinghouse J34 jet engines.

A non-flying, mixed-power, testbed, operated by the Pittsburgh Institute of Aeronautics.

OV-1B (AO-1BF)

SLAR variant.

OV-1C (AO-1CF)

IR reconnaissance variant.

OV-1D

Consolidated sensor variant.

JOV-1A

OV-1As and OV-1Cs fitted with armament.

RV-1C

Quick Look ELINT machines.

RV-1D

Quick Look II ELINT machine.

EV-1E

Quick Look III ELINT machine.

OV-1E

Prototype for unproduced modernized variant.

Specifications

Crew

2

Length

41 ft 0 in (12.50 m)

Wingspan

48 ft 0 in (14.63 m)

Height

12 ft 8 in (3.86 m)

Wing area

360 sq ft (33 m2)

Aspect ratio

5.35:1

Airfoil

NACA 2412

Empty weight

12,054 lb (5,468 kg)

Gross weight

15,544 lb (7,051 kg) (Normal take-off weight, IR mission)

Max take-off weight

18,109 lb (8,214 kg) (SLAR mission)

Fuel capacity

276 US gal (230 imp gal; 1,040 L) internal fuel

Powerplant

2 × Lycoming T53-L-701 turboprops, 1,400 shp (1,000 kW) each

Propellers

3-bladed Hamilton Standard Type 53C51-27 constant-speed propellers, 10 ft 0 in (3.05 m) diameter

Performance

Maximum speed

305 mph (491 km/h, 265 kn) (IR mission)

Cruise speed

207 mph (333 km/h, 180 kn) (econ. cruise)

Stall speed

84 mph (135 km/h, 73 kn)

Never exceed speed

450 mph (720 km/h, 390 kn)

Range

944 mi (1,519 km, 820 nmi) with external tanks (SLAR mission)

Endurance

4.35 hr (SLAR mission)

Service ceiling

25,000 ft (7,600 m)

Rate of climb

3,466 ft/min (17.61 m/s) (SLAR mission)

Take-off to 50 ft (15 m)

1,175 ft (358 m)

Landing run from 50 ft (15 m)

1,060 ft (320 m).

 

 

 

 

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