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ckuhns
Joined: 13 Jul 2003 Posts: 36
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Posted: Tue Mar 22, 2005 19:25 Post subject: Question concerning P&W R-2180 engines |
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I am a bit confused about the R-2180 engines.A bit of research on the internet has left me with the impression that there were two versions of this powerplant. The early one was used in the pre war Douglass DC-4E. Post war a Sabb Scanbia list a r-2180-E1 as its powerplant.One source states that this post war engine was 1/2 of a r-4360.
Is this correct? Does anyone have any information that they could add? Thanks Carl
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gwhite
Joined: 13 Jul 2003 Posts: 58
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Posted: Wed Mar 23, 2005 15:13 Post subject: |
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That's correct - there were two distinctly different 2180s. The pre war one was a conventional 14 cylinder two row. The post war "E" series was new design. Although it appears to be 1/2 a 4360, in fact there were some significant changes. For instance the exhaust and intake ports were reversed. On the 2180 (post war) the exhaust exited through the top of the cylinder and the intake came in from the side - opposite to a 4360. The 2180 used up draft induction as well. However, looking at the 2180 it is evident that its design was influenced by the 4360 but to say it was 1/2 a 4360 is not true. |
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ckuhns
Joined: 13 Jul 2003 Posts: 36
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Posted: Fri Mar 25, 2005 18:07 Post subject: P&W R-2180 |
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Graham, Thanks so much for the informative reply.I wonder if there are any examples of either type R-1280 engine still in existance? Carl |
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gwhite
Joined: 13 Jul 2003 Posts: 58
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Posted: Sun Apr 03, 2005 09:58 Post subject: |
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I have only seen one "E" series (post war) 2180 and that one is located in the P&W museum. |
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