Re: Jim Becker

Posted by Jim Becker on December 18, 2001 at 16:30:57 from (4.61.16.38):

In Reply to: Jim Becker posted by Bill Jones on December 18, 2001 at 11:03:01:

I guess the thread fell off the bottom so we have to pick up here.

For the sake of anyone else interested in this discussion, this web page: http://rwebs.net/avhistory/opsman/geturbo/geturbo.htm
has the text of a General Electric pamphlet from 1943. It includes definitions of these things we are talking about. Bill, I assume that your books all have similar explanations.

I am sure you know much more about aircraft engines than I ever will. I was just trying to make the point that there are turbosuperchargers that meet the definition of "internal." I just happens that they weren't used in WWII or prior aircraft.

The pamphlet says: "A supercharger which is located between the carburetor outlet and the intake manifold of the engine is called an internal supercharger." It goes on and talks about behavior, but THAT IS THE DEFINITION. It goes on with: "A supercharger located ahead of the carburetor in the induction system is called an external supercharger." In the discussion that follows that definition, it says: "An external supercharger is used primarily to obtain full-power engine performance at high altitudes, and is generally driven by an exhaust-gas turbine. A supercharger so driven is called a turbosupercharger." Note that it doesn't say that turbosupercharger is another word for external supercharger.

What makes a supercharger a turbosupercharger is the way it is driven, not which side of the carburetor it operates on.

Bill, I am sure you know this, but for the benefit of anyone else reading this, the Pikes Peak test was done by Dr. Sanford Moss of General Electric.

Follow Ups:

• Re: Re: Jim Becker Bill Jones 21:22:43 12/18/01 (1)
  • Re: Re: Re: Jim Becker Jim Becker 07:47:48 12/19/01 (0)

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