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Piper J-5 Cub Cruiser / HE-1 / L-4F / L-4G / AE-1

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J-5A


The J-5 Cruiser which, although basically similar to the J-3, had a minimal increase in fuselage width to provide three-seat accommodation.

First seen in early 1940 as the J-5A Cruiser with a 56kW Continental A75-8 engine, it became available subsequently as the J-5B with a similarly powered Avco Lycoming GO-145-C2 engine, then being designated J-5C with the installation of a 75kW Avco Lycoming O-235-C. Civil J-5A and J-5B aircraft were impressed for service with the US Army during World War II under the designations L-4F and L-4G respectively, and the US Navy procured 100 aircraft similar to the J-5C under the designation HE-1. These had the 75kW Avco Lycoming O-235-2, and a hinged top decking to the rear fuselage to allow the loading and unloading of a stretcher; when, in 1943, the designation letter H was allocated to identify helicopters, the HE-1s were redesignated AE-1.

When production ended a total of 1,404 J-5 Cruisers had been built.

J-5A-75
Engine: Continental A-75B, 75 hp @ 2600 rpm
Gross weight: 1450 lb
Empty weight: 820 lb
Useful load: 630 lb
Wingspan: 35 ft 6 in
Wing area: 179.3 sq.ft
Length: 22 ft 6 in
Height: 82 in
Prop diameter: 74 in
Power loading: 19.3 lb/hp
Wing loading: 8.09 lb/sq.ft
Baggage capacity: 41 lb
Fuel capacity std: 25 USG
Optional fuel capacity: 38 USG
Tire size: 8.00 x 4
Max speed: 95 mph
Cruise 3000 ft: 80 mph
Stall: 43 mph
Rate of climb: 400 fpm
Service ceiling: 13,000 ft
Cruise range w/opt fuel: 380 sm

J-5B-75
Engine: Lycoming GO-145, 75 hp @ 23600 rpm
Gross weight: 1450 lb
Empty weight: 820 lb
Useful load: 630 lb
Wingspan: 35 ft 6 in
Wing area: 179.3 sq.ft
Length: 22 ft 6 in
Height: 82 in
Prop diameter: 74 in
Power loading: 19.3 lb/hp
Wing loading: 8.09 lb/sq.ft
Baggage capacity: 41 lb
Fuel capacity std: 25 USG
Optional fuel capacity: 38 USG
Tire size: 8.00 x 4
Max speed: 95 mph
Cruise 3000 ft: 80 mph
Stall: 43 mph
Rate of climb: 400 fpm
Service ceiling: 13,000 ft
Cruise range w/opt fuel: 380 sm

J-5C-100
Engine: Lycoming O-235-B, 75kW / 100 hp @ 2550 rpm
Gross weight: 1550 lb / 703 kg
Empty weight: 860 lb
Useful load: 890 lb
Wingspan: 35 ft 6 in / 10.82 m
Wing area: 179.3 sq.ft / 16.63 sq.m
Length: 22 ft 6 in
Height: 82 in
Prop diameter: 74 in
Power loading: 15.5 lb/hp
Wing loading: 8.64 lb/sq.ft
Baggage capacity: 41 lb
Fuel capacity std: 20 USG
Optional fuel capacity: 38 USG
Tire size: 8.00 x 4
Max speed: 110 mph / 177 km/h
Cruise 3000 ft: 95 mph
Stall: 45 mph
Rate of climb: 650 fpm
Service ceiling: 16,000 ft
Cruise range w/opt fuel: 238 sm

HE-1
Engine: Lycoming O-235-B O-235-2, 75kW / 100 hp @ 2550 rpm

 

 


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