Re: OT-poor piloting

On Wed, 29 Jun 2005 07:23:38 -0500, Herb Schaltegger
<herb.schaltegger@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

> On Tue, 28 Jun 2005 23:41:14 -0500, Reunite Gondwanaland (Mary Shafer)
> wrote
> (in article <lg94c1tjkeb66r7fftt366c70auh32sv9e@xxxxxxx>):
>
> > On Sat, 25 Jun 2005 15:53:03 -0500, Pat Flannery <flanner@xxxxxxxxxx>
> > wrote:
> >
> >> Peter Stickney wrote:
> >>
> >>> Arggh! I can't take it any more. Pat, those big things on the back
> >>> of the airplane are Engines, not Motors, dammit!
> >>
> >> http://www.samsmodels.demon.co.uk/rapier.html
> >> See, over there they call them motors.
> >
> > On USN attack aircraft they're blowers.
>
> I was taught in my basic Aerospace Propulsion class that an "engine"
> has moving parts (i.e., a gas turbine) to convert power to motion. A
> "motor" (such as solid-fueled rocket or electric motor) does not have
> moving parts to convert power to motion.

I don't think a ramjet or a scramjet is a motor, but neither has
moving parts.

> Yeah, it's a not a perfect definition but it's what I use most of the
> time.

I think the whole thing is confused enough already that no simple rule
is going to take care of it.

Mary "what's an RCS unit?"

--
Mary Shafer Retired aerospace research engineer
We didn't just do weird stuff at Dryden, we wrote reports about it.
reunite.gondwana@xxxxxxxxx or miliff@xxxxxxxx
.

Relevant Pages

  • Re: OT-poor piloting
    ... >> has moving parts (i.e., a gas turbine) to convert power to motion. ...
    (sci.space.history)
  • Re: OT-poor piloting
    ... A "motor" (such as solid-fueled rocket or electric motor) does not have moving parts to convert power to motion. ...
    (sci.space.history)
  • Re: FSS 400 WMW Milling
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    (rec.woodworking)
  • Re: CNC Joinery Machine (edging up on a gloat)
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    (rec.woodworking)
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