| Sydney | |
|---|---|
 | |
| General information | |
| Type | Patrol flying boat |
| Manufacturer | Blackburn |
| Designer | John Douglas Rennie |
| Status | Prototype |
| Number built | 1 |
| History | |
| First flight | 18 July 1930 |
The Blackburn R.B.2 Sydney (serial N241) was a long-range maritime patrol flying boat developed for the Royal Air Force in 1930, in response to Air Ministry Specification R.5/27. It was a parasol-winged braced monoplane of typical flying boat arrangement with triple tailfins and its three engines arranged on the wing's leading edge. After evaluation, it was not ordered into production and no further examples were built.
With development of the Sydney abandoned, construction of a cargo-carrying variant powered by radial engines, the C.B.2 Nile was also ended.
Specifications (Sydney)
Data from British Flying Boats
General characteristics
- Crew: 5
- Length: 65 ft 7 in (19.99 m)
- Wingspan: 100 ft (30 m)
- Height: 20 ft 4 in (6.20 m)
- Wing area: 1,500 sq ft (140 m)
- Empty weight: 17,065 lb (7,741 kg)
- Gross weight: 23,350 lb (10,591 kg)
- Powerplant: 3 × Rolls-Royce F.XII MS V-12 liquid-cooled piston engines, 525 hp (391 kW) each
- Propellers: 2-bladed fixed-pitch propellers
Performance
- Maximum speed: 123 mph (198 km/h, 107 kn)
- Cruise speed: 100 mph (160 km/h, 87 kn)
- Endurance: 7 hours 30 minutes
- Service ceiling: 16,300 ft (5,000 m)
- Rate of climb: 390 ft/min (2.0 m/s)
Armament
- Guns: 3 × trainable .303 in (7.7 mm) Lewis Gun in open bow, dorsal and ventral positions
- Bombs: 1,102 lb (500 kg) of bombs or 2 × torpedoes
See also
Related development
Aircraft of comparable role, configuration, and era
- Blériot 5190
- Consolidated Commodore
- Consolidated P2Y
- Latécoère 340
- Loire 70
- SPCA 10
- Supermarine Air Yacht
Related lists
References
- Notes
- "Blackburn" (PDF). Flight: 7. 21 November 1930. Retrieved 15 February 2017.
Major Rennie is responsible for the seaplane types.
- London 2003, pp.260–261.
- "Blackburn: Sydney". Grace's Guide. 2 August 1929. Retrieved 15 February 2017.
- Bibliography
- London, Peter (2003). British Flying Boats. Stroud, UK: Sutton Publishing. ISBN 0-7509-2695-3.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 158.
- Blackburn Sydney – British Aircraft Directory
External links
- The Blackburn "Sydney" Flying Boat in Flight, 5 September 1930
- Blackburn flying boats 1924–1940
- Picture of the Sydney N241
- "Blackburn R.B. 2 Sydney", Youtube.com first flight
- "Huge All-Metal Flying Boat Weighs Ten Tons", March 1931, Popular Mechanics
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