Parnall Heck
| Heck | |
|---|---|
| |
| Parnall Hendy Heck G-AEGI at Wolverhampton (Pendeford) airfield on 17 June 1950 after being damaged beyond repair by a landing Supermarine Spitfire | |
| Role | Cabin Tourer |
| Manufacturer | Parnall Aircraft Limited |
| Designer | Basil B Henderson |
| First flight | 1934 |
| Retired | 17 June 1950 |
| Primary users | Parnall Aircraft Royal Air Force |
| Number built | 6 |
| Variants | Parnall 382 |
The Parnall Heck was a 1930s British four-seat cabin monoplane built by Parnall Aircraft Limited at Yate, Gloucestershire. Originally a Hendy design, few were built. It combined the strength and comfort of a cabin aircraft with the speed of a racer.[1]
Design
The Heck was designed by Basil B. Henderson on commission from
History
The type was originally designated the Hendy 3308 Heck, with the prototype built by the Westland Aircraft Works at Yeovil. While originally intended to be fitted with a 165 hp (123 kW) Napier Javelin engine, it was completed with a 200 hp (150 kW) de Havilland Gipsy Six engine instead. It was allocated the registration G-ACTC and first flew in July 1934.[3]
Parnall Aircraft Limited was formed in May
A small production line was started at
The fifth production Heck 2C, registered G-AEGL, was flown as serial K8853 under contract 486334/36, and was used for trial installations of engines and armaments, including the development of the gun sight installation for the
In March 1943, G-AEGH was impressed into service with the Royal Air Force as serial NF749 on communications and liaison duties.[6]
The
The last surviving Heck was G-AEGI, which was damaged beyond repair in a taxying accident on 17 June 1950. The aircraft had just come seventh in the
Operators
Civil operators
- Parnall Aircraft
Military operators
Specifications (Heck 2C)
Data from British Civil Aircraft 1919–1972: Volume III [7]
General characteristics
- Crew: 1
- Capacity: 2 passengers
- Length: 26 ft 1+1⁄2 in (7.96 m)
- Wingspan: 31 ft 6 in (9.60 m)
- Height: 8 ft 6 in (2.59 m)
- Wing area: 105.2 sq ft (9.77 m2)
- Airfoil: NACA 23015[8]
- Empty weight: 1,750 lb (794 kg)
- Gross weight: 2,700 lb (1,225 kg)
- Powerplant: 1 × de Havilland Gipsy Six 6-cylinder air-cooled inverted in-line piston engine, 200 hp (150 kW)
- Propellers: 2-bladed fixed-pitch propeller
Performance
- Maximum speed: 185 mph (298 km/h, 161 kn)
- Cruise speed: 135 mph (217 km/h, 117 kn)
- Stall speed: 40 mph (64 km/h, 35 kn) [9]
- Range: 605 mi (974 km, 526 nmi)
- Service ceiling: 16,700 ft (5,100 m)
- Rate of climb: 1,100 ft/min (5.6 m/s)
See also
Related development
Related lists
References
- ^ a b Lukins 1944
- ^ Ord-Hume 2000 p. 439
- ^ Air-Britain Archive Summer 2009, p. 55
- ^ Jackson 1988, pp. 90–91
- ^ a b c Jackson 1988, p. 91
- ^ Moss 1962
- ^ Jackson 1988, p.92.
- ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
- ^ Air-Britain Archive Summer 2009, p. 59
Bibliography
- "Head-On View No. 31: The Hendy Heck". Air-Britain Archive. Summer 2009. pp. 55–60. ISSN 0262-4923.
- Jackson, A.J. (1988). British Civil Aircraft since 1919 Volume 3. London: Putnam. ISBN 0-85177-818-6.
- Lukins, A.H. (1944). The Book of Westland Aircraft. Leicester: Harborough.
- Moss, Peter W. (1962). Impressments Log Volume III. UK: Air-Britain.
- Ord-Hume, Arthur W. J. (2000). British Light Aeroplanes. Peterborough, UK: GMS Enterprises. ISBN 1-870384-76-8.