Supermarine Sea Lion II
Supermarine · United Kingdom · first flew 1922 · light aircraft
The Supermarine Sea Lion II was a British racing flying boat designed by Reginald Mitchell. It was a modification of Supermarine's Sea King II.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × piston, wing-mounted |
| F — Fuselage | 7.54 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Racing biplane flying boat
- Single Napier Lion engine in a pusher installation
- Built to contest the Schneider Trophy
A small single-seat biplane flying boat with a pusher engine, 7.5 m long with a span of 9.75 m.
Specifications
- The Supermarine Sea Lion II has a length of 7.54 m (25 ft).
- It has a wingspan of 9.75 m (32 ft).
- Its maximum speed is 257 km/h (160 mph).
- Typical crew: 1.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It was entered for the 1922 Schneider Trophy contest at Naples. Test pilot Henry Biard won at an average speed of 145.7 mph, the first post-war success by a British aeroplane in an international competition.
Variants
It was renamed the Sea Lion III for the 1923 contest after Mitchell modified the design and re-engined it.
Where you'll see it
It was powered by a 450 hp Napier Lion engine. The specification gives a top speed of 160 mph.
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