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Parnall Peto

The Parnall Peto was a small seaplane designed to the British Air Ministry's specification 16/24 in the early 1920s for use as a submarine-carried reconnaissance aircraft.

Peto
Role Submarine-launched naval reconnaissance
Manufacturer George Parnall and Company Limited
Designer Harold Bolas
First flight 4 June 1925
Number built 2

Design and development edit

Two examples were designed and built by George Parnall and Company and were given serial numbers N181 and N182. The first prototype, N181, crashed at Gibraltar and was rebuilt as N255 before being lost with the submarine HMS M2 when her hangar flooded. The Peto was one of the most challenging design projects that the Parnall company undertook, because of the very small hangar in which the aircraft had to fit.

Of mixed wood, fabric, aluminium and steel construction, it had unequal span, Warren-braced folding rectangular wings. The first aircraft, N181, was powered by a 128 hp Bristol Lucifer engine and had mahogany plywood "Consuta" type floats. Performance was generally satisfactory but following crash damage, improvements were made and the machine was rebuilt with new wings, metal floats and a 169 hp Armstrong Siddeley Mongoose engine. Tests both on the sea and in the air showed that designer, Harold Bolas, had met the requirements and it was officially judged to be exceptionally good.

The aircraft was launched using a compressed air catapult mounted on the forward casing of the submarine and recovered using a crane.

With the loss of M2, the Royal Navy abandoned submarine-launched aircraft, although most other navies also experimented with the concept in the interwar years.[1]

Aircraft edit

The two aircraft built were:

N181
Prototype which was wrecked at Gibraltar on 11 February 1930 and rebuilt as N255 with improved floats and lost with HMS M2.
N182
Which crashed 29 June 1930 at Stokes Bay. It was acquired by F.C.H. Allen and prepared for civil use at Ford aerodrome in Sussex between 1933 and 1934.[2] Issued with civilian Registration G-ACOJ [3] but the project was abandoned.[2]

Specifications edit

Data from Wixey, pp.159–160[4]

General characteristics

  • Crew: 2
  • Length: 22 ft 6 in (6.86 m)
  • Wingspan: 28 ft 5 in (8.66 m)
  • Height: 8 ft 11 in (2.72 m)
  • Wing area: 174 sq ft (16.2 m2)
  • Empty weight: 1,300 lb (590 kg)
  • Gross weight: 1,950 lb (885 kg)
  • Powerplant: 1 × Armstrong Siddeley Mongoose IIIC 5-cylinder air-cooled radial piston engine, 135 hp (101 kW)
  • Propellers: 2-bladed fixed-pitch propeller

Performance

  • Maximum speed: 113 mph (182 km/h, 98 kn)
  • Service ceiling: 11,300 ft (3,400 m) [5]
  • Rate of climb: 600 ft/min (3.0 m/s)

See also edit

Aircraft of comparable role, configuration, and era

Related lists

Notes edit

  1. ^ Marriott pp.151–7
  2. ^ a b Jackson 1974, p. 440
  3. ^ (PDF). Civil Aviation Authority. Archived from the original (PDF) on 6 June 2011. Retrieved 15 November 2009.
  4. ^ Wixey pp.159–60
  5. ^ Crosby 2009, p. 123

References edit

  • Crosby, Francis (2009). The World Encyclopedia of Naval Aircraft. Lorenz Books. p. 123. ISBN 978-0-7548-1670-6.
  • Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 3. London: Putnam. ISBN 0-370-10014-X.
  • Lumsden, Alec; Heffernan, Terry (June 1989). "Per mare probare (Part 16)". Aeroplane Monthly. Vol. 17, no. 6. pp. 328–333. ISSN 0143-7240.
  • Marriott, Leo (2006). Catapult Aircraft. Barnsley, UK: Pen and Sword Aviation. pp. 151–7. ISBN 1-84415-419-X.
  • Passingham, Malcolm (February 2000). "Les hydravions embarqués sur sous-marins" [Submarine-carried Seaplanes]. Avions: Toute l'aéronautique et son histoire (in French). No. 83. pp. 7–17. ISSN 1243-8650.
  • Wixey, Kenneth (1990). Parnall Aircraft since 1914. Annopolis: Naval Institute Press. ISBN 1-55750-930-1.

External links edit

  • Flight 1929 archive pictures
  • Flight 1929
  • – British Aircraft Directory
  • Gulls of War, October 1931 article Popular Mechanics

parnall, peto, small, seaplane, designed, british, ministry, specification, early, 1920s, submarine, carried, reconnaissance, aircraft, petorole, submarine, launched, naval, reconnaissancemanufacturer, george, parnall, company, limiteddesigner, harold, bolasfi. The Parnall Peto was a small seaplane designed to the British Air Ministry s specification 16 24 in the early 1920s for use as a submarine carried reconnaissance aircraft PetoRole Submarine launched naval reconnaissanceManufacturer George Parnall and Company LimitedDesigner Harold BolasFirst flight 4 June 1925Number built 2 Contents 1 Design and development 2 Aircraft 3 Specifications 4 See also 5 Notes 6 References 7 External linksDesign and development editTwo examples were designed and built by George Parnall and Company and were given serial numbers N181 and N182 The first prototype N181 crashed at Gibraltar and was rebuilt as N255 before being lost with the submarine HMS M2 when her hangar flooded The Peto was one of the most challenging design projects that the Parnall company undertook because of the very small hangar in which the aircraft had to fit Of mixed wood fabric aluminium and steel construction it had unequal span Warren braced folding rectangular wings The first aircraft N181 was powered by a 128 hp Bristol Lucifer engine and had mahogany plywood Consuta type floats Performance was generally satisfactory but following crash damage improvements were made and the machine was rebuilt with new wings metal floats and a 169 hp Armstrong Siddeley Mongoose engine Tests both on the sea and in the air showed that designer Harold Bolas had met the requirements and it was officially judged to be exceptionally good The aircraft was launched using a compressed air catapult mounted on the forward casing of the submarine and recovered using a crane With the loss of M2 the Royal Navy abandoned submarine launched aircraft although most other navies also experimented with the concept in the interwar years 1 Aircraft editThe two aircraft built were N181 Prototype which was wrecked at Gibraltar on 11 February 1930 and rebuilt as N255 with improved floats and lost with HMS M2 N182 Which crashed 29 June 1930 at Stokes Bay It was acquired by F C H Allen and prepared for civil use at Ford aerodrome in Sussex between 1933 and 1934 2 Issued with civilian Registration G ACOJ 3 but the project was abandoned 2 Specifications editData from Wixey pp 159 160 4 General characteristicsCrew 2 Length 22 ft 6 in 6 86 m Wingspan 28 ft 5 in 8 66 m Height 8 ft 11 in 2 72 m Wing area 174 sq ft 16 2 m2 Empty weight 1 300 lb 590 kg Gross weight 1 950 lb 885 kg Powerplant 1 Armstrong Siddeley Mongoose IIIC 5 cylinder air cooled radial piston engine 135 hp 101 kW Propellers 2 bladed fixed pitch propellerPerformance Maximum speed 113 mph 182 km h 98 kn Service ceiling 11 300 ft 3 400 m 5 Rate of climb 600 ft min 3 0 m s See also editAircraft of comparable role configuration and era Caspar U 1 Cox Klemin XS Martin MS 1Related lists List of submarine borne aircraftNotes edit Marriott pp 151 7 a b Jackson 1974 p 440 Registration Document G ACOJ PDF Civil Aviation Authority Archived from the original PDF on 6 June 2011 Retrieved 15 November 2009 Wixey pp 159 60 Crosby 2009 p 123References editCrosby Francis 2009 The World Encyclopedia of Naval Aircraft Lorenz Books p 123 ISBN 978 0 7548 1670 6 Jackson A J 1974 British Civil Aircraft since 1919 Volume 3 London Putnam ISBN 0 370 10014 X Lumsden Alec Heffernan Terry June 1989 Per mare probare Part 16 Aeroplane Monthly Vol 17 no 6 pp 328 333 ISSN 0143 7240 Marriott Leo 2006 Catapult Aircraft Barnsley UK Pen and Sword Aviation pp 151 7 ISBN 1 84415 419 X Passingham Malcolm February 2000 Les hydravions embarques sur sous marins Submarine carried Seaplanes Avions Toute l aeronautique et son histoire in French No 83 pp 7 17 ISSN 1243 8650 Wixey Kenneth 1990 Parnall Aircraft since 1914 Annopolis Naval Institute Press ISBN 1 55750 930 1 External links edit nbsp Wikimedia Commons has media related to Parnall Peto Flight 1929 archive pictures Flight 1929 Parnall Peto British Aircraft Directory Gulls of War October 1931 article Popular Mechanics Retrieved from https en wikipedia org w index php title Parnall Peto amp oldid 1199488229, wikipedia, wiki, book, books, library,

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