[modeleng] Re: Square pistons

They list "M=92 A de Polignac=92s Curved Cylinder Engine" which is a =
related
design.=20

Bruce Engineering is now part of Polly Model Engineering. Their color
catalog at
http://www.pollymodelengineering.co.uk/sections/bruce-engineering/docs/ca=
tal
og2007may.pdf (the URL may be broken...) is a great read for those
interested in model engines.

Polly Model Engineering offers, for =A3125, a "HOG Microstirling
Engine" ready-to-run model made in Germany. Have plans for a similar =
design
been published?

> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx =
[mailto:modeleng-bounce@xxxxxxxxxxxxx]
> On Behalf Of Alan Stepney
> Sent: Monday, December 10, 2007 10:07 AM
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Re: Square pistons
>=20
> It is.
>=20
> I believe one model is available from Bruce Engineering.
> Alan
> ----- Original Message -----
> From: "Allen Messer" <al_messer@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Monday, December 10, 2007 2:21 PM
> Subject: [modeleng] Re: Square pistons
>=20
>=20
> Please permit me a dumb question: WHY?  Would not a
> square piston and cylinder be much more difficult to
> seal?
>=20
> MODEL ENGINEERING DISCUSSION LIST.
>=20
> To UNSUBSCRIBE from this list, send a blank email to,
> modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the =
subject
> line.
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