Bristol Odin

The Bristol Odin is a ramjet engine originally developed by Bristol Siddeley Engines, later taken over by Rolls-Royce.^[1]

Odin was specifically designed to power the Sea Dart missile.^[2] Unlike the earlier Thor ramjet powering the Bristol Bloodhound missile, Odin is an integral part of the Sea Dart airframe.^[3] A biconic intake at the front of the missile transfers air, via a transfer duct, to the ramjet combustor, which is located towards the rear of the missile. Thrust is provided by the combustion products exiting the engine at high velocity, via a fixed area ratio convergent-divergent nozzle. The only significant moving part in the engine is the turbopump. This extracts 'ram' air in the transfer duct to drive an air-turbine, which is connected to the fuel pump. The air exiting the turbine is dumped overboard.

References

↑ "Rolls-Royce Bristol Odin ramjet for the Sea Dart". National Archives. Retrieved 12 December 2015.
↑ "Odin- another stride in the ramjet age". Flight International: 4. 1966.
↑ "British Ramjets". Flight: 212–213. 10 August 1956.

Bristol / Bristol Siddeley aero engines

Bristol Aeroplane Company
Piston engines (1920-1956)

Horizontally opposed engines:	Cherub

Radial engines:	Draco Hydra Jupiter Lucifer Mercury Neptune Orion Pegasus Phoenix Titan

Sleeve valve radial engines:	Aquila Centaurus Hercules Orion Perseus Taurus

Bristol Siddeley gas turbine
and rocket engines (1959-1966)

Turbojets / Turbofans:	Gyron Junior Olympus Orpheus Pegasus BS.100 Phoebus Viper

Turboprops / Turboshafts:	BS.360 Coupled Proteus Nimbus Orion Proteus Theseus

Ramjets:	Thor Odin

Rocket engines:	BS.605 Gamma Stentor

Designers

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