MIflyer
1st Lieutenant
Just stumbled onto this.
Jumo 109 Jet Engine
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MiTasol
2nd Lieutenant
A diagonal compressor?
I wonder what that is.
It does not look like a centrifugal compressor but then again the drawing has no fine detail.
I wonder what that is.
It does not look like a centrifugal compressor but then again the drawing has no fine detail.
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MIflyer
1st Lieutenant
Well, the engine was also covered in detail in the Me-262 Design Analysis I posted a while back.
MiTasol
2nd Lieutenant
No - the 109-011 is a very different engine from the 004.
109-011 has four axial and one "diagonal" compressors instead of 8 axial.
109-011 has two stage turbine instead of single.
109-011 has four axial and one "diagonal" compressors instead of 8 axial.
109-011 has two stage turbine instead of single.
Simon Thomas
Senior Airman
'Diagonal' had me stumped. In current pump/compressor terminology I would call it 'mixed flow', which is combined axial/radial.
Seems the RLM were adept at taking really sharp minds and wasting them.
Thanks for posting.
Seems the RLM were adept at taking really sharp minds and wasting them.
Thanks for posting.
RLM use a number system for aero planes, engines, equipment etc.
Aero planes used the number 8, so a Bf109 was actually 8-109 in the RLM terminology, ME 262 was 8-262 and so on. The piston engines was 9, so a DB605 was 9-605. The jet engines or TL as the Germans referred to it (Turbinen Luftstrahl) was 109. So the Jumo 004 was 109-004, and in this case the Heinkel 011 was 109-011, the BMW 003 was 109-003.
Only the 003 and the 004 got into production. Several aircrafts was planned to use the 011 as it was the most powerful engine at the time, among them several versions of the ME262.
To the two types af compressores used in the 011, the first stage was a radial compressor the following was axial
Aero planes used the number 8, so a Bf109 was actually 8-109 in the RLM terminology, ME 262 was 8-262 and so on. The piston engines was 9, so a DB605 was 9-605. The jet engines or TL as the Germans referred to it (Turbinen Luftstrahl) was 109. So the Jumo 004 was 109-004, and in this case the Heinkel 011 was 109-011, the BMW 003 was 109-003.
Only the 003 and the 004 got into production. Several aircrafts was planned to use the 011 as it was the most powerful engine at the time, among them several versions of the ME262.
To the two types af compressores used in the 011, the first stage was a radial compressor the following was axial
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MiTasol
2nd Lieutenant
Thank you for the text and the picture. I had sort of come to the conclusion that was the German numbering system as I had noticed that the same number never appeared twice - eg there is no Fw-109 or BV-109 etc. Also some manuals refer to the aircraft as the 8-nnn not the Fw-nnn etc
I have worked on a number of jet engines and that compressor stage is nothing like anything I saw or visualized. The diagonal name now makes sense.
I have worked on a number of jet engines and that compressor stage is nothing like anything I saw or visualized. The diagonal name now makes sense.
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