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Subject: 
Re: Opinion on the Sopwith Camel?
Newsgroups: 
lugnet.build.sculpture, lugnet.build.military
Date: 
Mon, 19 Nov 2001 19:50:45 GMT
Viewed: 
27 times
  
In lugnet.build.sculpture, George Haberberger writes:
In lugnet.build.sculpture, Mike Case writes:
On Mon, 19 Nov 2001 05:19:42 GMT, "Mark" <snowleopard@foxinternet.net>
wrote:

It is a nice kit, very detailed.  Just one gripe, this baby packs tons of
torque, when you spin the props, the engine spins with it.  I thought  it
was kind of a cheap maneuver but it does look good and there certainly are
ways to work around it if you want the prop to spin freely.


Wasn't this an intentional part of the design?  I had thought that the
radial engines of that era rotated around a central shaft just like
the model.

Mike

If the engine spins with the propellor, then it is a rotary engine, and it
is correct, see this link for more detail,
http://www.theaerodrome.com/aircraft/gbritain/sopwith/camel.html .

In reality, the rotary engine packed so much torque that inexperience pilots
routinely crashed flying the Camel. Experienced pilots knew how to
compensate for it, and used the torque to their advantage, amking the Camel
extremely manueverable. Often, a pilot would turn 240 degrees one way to
make a 120 degree turn the other way, there was that much torque.

There was a discussion about rotary and radial engines in lugnet.military
not too long ago.

   I've been trying to find a diagram of the old rotary engine,
   but searches always bring up the Wankel engine, which isn't
   nearly the same thing.  I'm trying to get a sense for how
   much of the engine rotated, and how fuel delivery was done if
   the cylinders were spinning.  To be honest, I didn't think that
   the engine *did* spin, but I've never seen a running rotary
   engine (!!) so I can't speak from experience.

   Anyone have any good information/references?

   best

   LFB



Message has 2 Replies:
  Re: Opinion on the Sopwith Camel?
 
(...) Try "radial engine" or "radial rotary engine" the more correct term for the engine type in your search. Best DaveG (23 years ago, 19-Nov-01, to lugnet.build.sculpture, lugnet.build.military)
  Re: Opinion on the Sopwith Camel?
 
(...) Try this link, (URL) . I did a search on Gnome rotary, as that was the most famous one I can think of. In short, the cylinders and crankcase rotate around the hollow, offcenter crankshaft. The intake valve is in the bottom of the piston, and (...) (23 years ago, 19-Nov-01, to lugnet.build.sculpture, lugnet.build.military)

Message is in Reply To:
  Re: Opinion on the Sopwith Camel?
 
(...) If the engine spins with the propellor, then it is a rotary engine, and it is correct, see this link for more detail, (URL) . In reality, the rotary engine packed so much torque that inexperience pilots routinely crashed flying the Camel. (...) (23 years ago, 19-Nov-01, to lugnet.build.sculpture)

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