Supermarine Walrus Aircraft



Walrus I, Yeovilton

Production Details

Design Company:

Supermarine Aviation Works (Vickers) Ltd

First Flight:

21 June 1933

Seagull V Prototype:

1 - Supermarine

Seagull V:

24 - Supermarine

Walrus I:

285 - Supermarine 271 - Saunders-Roe

Walrus II:

2 - Supermarine 190 - Saunders-Roe

Type Specification

Applies to:

Supermarine Walrus I

Type:

Single engined amphibian flying boat

Wing:

Equal span single bay biplane. Wing structure consists of two stainless steel spars, and a subsidiary structure of spruce and three-ply. Plywood leading edge and fabric covering

Hull:

Flat sided single step hull of anodically treated aluminium alloy

Tail Unit:

Monoplane type. Tailplane carried on top of fin built integral with hull. Tailplane elevators and rudder built of stainless steel spars and wooden ribs with fabric covering

Landing Gear:

Retractable type. In raised position wheels are housed in recesses in underside of lower wing

Power Plant:

One 750 hp Bristol Pegasus VI nine cylinder radial air cooled engine between the wings driving a four blade pusher airscrew.

Accommodation:

Bow cockpit with Scarff ring. Enclosed cockpit with pilot on left side. Detachable controls to right seat. Between pilots seats and front spar frame is navigators compartment. Between spar frames wireless compartment. Aft of wings is aft gunners cockpit with special gun mount

Armament:

Two Vickers K machine guns, one in bow and one amidships

Dimensions

Span:

45 ft 10 in

Length:

37 ft 7 in

Height:

15 ft 3 in

Wing Area:

610 sq ft

Weights

Empty:

4,900 lb

Loaded:

7,200 lb

Performance

Max Speed:

135 mph at 4,750 ft

Max Rate of Climb:

1,050 ft per minute

Service Ceiling:

18,500 ft

Cruising Range:

600 miles

Preserved in British Museums

Seagull V:

A2-4 - Royal Air Force Museum, Hendon - Display

Walrus I:

L2301 - Fleet Air Arm Museum, Yeovilton Airfield - Display W2718 - - Solent Sky, Southampton - Stored

Web Sites

http://www.fleetairarmarchive.net/Aircraft/Walrus.htm http://www.ipmsstockholm.org/magazine/1998/01/stuff_eng_detail_walrus.htm