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| Aircraft Topics related to WWI aircraft, aircraft engines and armament |
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24 November 2005, 06:14 AM
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#1 (permalink)
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Two-seater Pilot
Join Date: Feb 2004
Posts: 198
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Siemens 80ps engine
Which aircraft did this engine power? Was this a variant of the Rhone engine, similar to the Oberursel engine?
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25 November 2005, 04:55 AM
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#2 (permalink)
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Two-seater Pilot
Join Date: Feb 2004
Posts: 198
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I am making some progress with this. It is a post WW1 engine from about 1923. The engine was known as the Siemens Sternmotor (star motor) which suggests, I guess, a five cylinder radial engine. It may have been used in the Heinkel HD21, sold via Sweden to Russia, but my research so far indicates that aircraft had a Mercedes 100ps engine. Can anyone offer advice?
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25 November 2005, 11:38 AM
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#3 (permalink)
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Forum Ace
Join Date: Oct 2004
Posts: 1,265
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the 80 hp is from 1912
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25 November 2005, 12:32 PM
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#4 (permalink)
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Two-seater Pilot
Join Date: Feb 2004
Posts: 198
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Vielen Dank Herr Franzkeit,
To which aircraft was it fitted?
MFG,
Bob
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25 November 2005, 04:05 PM
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#5 (permalink)
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Forum Ace
Join Date: Oct 2004
Posts: 1,265
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Siemens SH0, 1912 , 9 cylinder rotary , looks like a gnome , but the cylinders are connected with 4 studs to the crankcase. can be any aercraft, from the Antoinette to the Bleriot
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26 November 2005, 09:16 AM
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#6 (permalink)
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Two-seater Pilot
Join Date: Feb 2004
Posts: 198
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Very many thanks. I much appreciate your help.
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26 November 2005, 10:33 AM
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#7 (permalink)
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Forum Ace
Join Date: Oct 2004
Posts: 1,265
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you know how this engine looks ?
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26 November 2005, 12:17 PM
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#8 (permalink)
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Two-seater Pilot
Join Date: Feb 2004
Posts: 198
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No. Can you let me have a photograph?
Bob
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26 November 2005, 06:04 PM
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#9 (permalink)
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Forum Ace
Join Date: Oct 2004
Posts: 1,265
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I am still looking, I know I have some pictures from this engine.Why are you interested in this engine ?
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27 November 2005, 05:19 PM
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#10 (permalink)
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Observer
Join Date: Oct 2004
Posts: 5
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Siemens 80ps
Michael Fletcher, has a CD available, Early Aircraft Drawings 1911-1919.
This has some stunning drawings of a Siemens-Halske HS-2 9 cylinder rotary engine(not counter-rotating like the SH-3) that, as Franzkait states, is very gnome like. This engine has the automatic inlet valves in the pistons, like the early gnomes, but has 2 magnetos, hung from the nose casing, much like the later J-5 Whirlwind, but with oddly only 1 sparking plug per cylinder.
The oil pump is also hung from the front of the engine. The accessories are quite different in disposition to the gnome, but the cylinders, big end , and exhaust valve train very similiar indeed. As stated, the cylinders are held to the crankcase by 4 studs, not clamped by the crankcase gnome fashion.
Sorry, no information on power (100 HP?) or date.
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