bit OT - gas turbines on e-Bay.

Hi Kim, Ifyou are interested in Gas Turbines see the last two pictures at

-- Dave Croft Warrington England

Kim, The first looks like a RR SPEY and the second could be a derivative of a meteor engine maybe out of a Supermarine attacker. ?

Mart>

The vendor has come back to me saying the first engine is a Rolls-Royce Avon.

With its axial flow configuration & external cans, the second engine is much more interesting & I suspect it may not be a British engine, although I am by no means an expert on early jets.

Just wish I had room for it ...........

Regards,

J. Kim Siddorn, Regia Anglorum

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First one's a R-R Spey. I think it's a Spey Junior , aka the RB183 (a pair powered the Fokker F-28) because it looks like the short 4-stage LP compressor housing, not the longer 5-stage.

Most Speys were military, with afterburners (RN Phantom most famously), but this is far too short. The full-size Spey also had a gearbox that came right to the front of the compressor face as it was intended for fitting into a fuselage. The Spey Junior was intended for pod mounting so the gearbox moved backwards, to keep the frontal area small around the leading edge.

The second one is a _very_ early Avon. It's an AJ65 by the separate combustors but this one doesn't have the Avon's usual prominent blow off valve (the big rectangular casing on the upper part of the compressor). This makes it pre 1952 and I think it's a first series RA3 of 1950.

They seem expensive, given that they're non-runners and the Avon is even missing the cartridge starter and inlet bullet.