Piper J-5 Cub Cruiser

Multipurpose light civil aircraft as of 1940

EI TIM Piper J.5A Cub Cruiser
photo: Paul Daly

The Piper J-5 Cub Cruiser was built by Piper Aircraft as a larger and more powerful derivative of the Piper J-3 Cub. Unlike its predecessor, the J-5 had a wider fuselage and could accommodate one pilot in the front and two seats for the passengers at the back. The aircraft was produced from 1940 to 1946.

Manufacturer:
Piper Aircraft
Country:
United States
Manufactured:
1940 to: 1946
ICAO:
J5
Price:
US$0.0018 million (1940)

Specifications

Avionics:
Engine:
1x Lycoming GO-145-C2
Piston
Power:
75 horsepower
Max Cruise Speed:
83 knots
154 Km/h
Approach Speed (Vref):
36 knots
Travel range:
370 Nautical Miles
685 Kilometers
Fuel Economy:
Service Ceiling:
10,200 feet
Rate of Climb:
460 feet / minute
2.34metre / second
Take Off Distance:
220 metre - 721.78 feet
Landing Distance:
143 metre - 469.15 feet
Max Take Off Weight:
658 Kg
1,451 lbs
Max Landing Weight:
658 Kg
1,451 lbs
Max Payload:
172 Kg
379 lbs
Fuel Tank Capacity:
18 gallon
68 litre
Baggage Volume:
Seats - Economy / General:
2 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
Cabin Width:
Cabin Length:
Exterior Length:
6.86 metre - 22.51 feet
Tail height:
1.7 metre - 5.58 feet
Fuselage Diameter:
.8 metre - 2.62 feet
Wing Span / Rotor Diameter:
10.82 metre - 35.50 feet
Wing Tips:
No Winglets
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Description

During the early 1940s, the Piper J-5 Cub Cruiser was introduced as a derivative of the Piper J-3 Cub. Three different models designated as J-5A, J-5B, and J-5C were produced. These versions fall under two classifications that varied substantially. The most notable distinction is in the landing gear.

From 1940 to 1942, initial models with external bungees were built. From 1944 until 1946, improvements for the United States Navy HE-1 Flying Ambulance were developed including internal bungees.

The initial J-5 was fitted with a Continental A-75-8 engine rated at 75 horsepower. The J-5A was powered by a Continental A-75-9 and the J-5A-80 was a modified version fitted with a Continental A-80-8 engine rated at 80 horsepower.

In the course of the Second World War, Piper Aircraft converted the standard structure of the J-5A. The J-5B was a 75-horsepower version equipped with a Lycoming GO-145-C2 four-cylinder reduction-geared engine while the J-5C was a 100-horsepower version equipped with a Lycoming O-235-B engine.

The J-5CA was a prototype ambulance version designated as the HE-1 developed for the United States Navy. It was powered by a Lycoming Military O-235-2 or Civilian O-235-B four-cylinder, air-cooled, horizontally-opposed piston engine rated at 100 horsepower. It has an electrical system and a reconfigured undercarriage.

The J-5CO was a prototype observation version that was converted as the L-4X afterwards for the military L-14 variant. In 1946, the J-5D was built fitted with a 125-horsepower engine. Military designations for the J-5 were also available.

The J-5 has an external length of 6.86 meters, an external height of 2.08 meters, a tail height of 1.7 meters, and a fuselage diameter of 0.8 meters. It has a wheelbase of 5.2 meters and  a wingspan of 10.82 meters. The aircraft has a cruising speed of 75 knots and a maximum speed of 83 knots. It has a travel range of 370 nautical miles and can fly up to 10,200 feet.

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