[modeleng] Re: Tall Tales?
- From: "Andy A" <AndyA@xxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sat, 5 Mar 2005 10:48:14 -0000
HI Ron
I believe the BR standards also had hollow heads but need to check that.
Most piston heads had some dishing to there shape which would have made it
difficult to cast them hollow. I hadn't thought about the reciprocating mass
idea, I just know they are extremley heavy and certainly not a single man
lift. Another thought, most cylinder covers were not flat on the rear face.
Would that have been done to help steam ditribution across the piston face?
Andy
----- Original Message -----
From: "Ron Head" <ron.head@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Saturday, March 05, 2005 10:09 AM
Subject: [modeleng] Re: Tall Tales?
Hi Andy
I've just been looking through some of my technical books and it seems the
LMS may have been unique in using hollow piston heads - anyone else care to
comment?
Presumably this was done to reduce the reciprocating mass.
Regards
Ron
----- Original Message -----
From: "Andy A" <AndyA@xxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Saturday, March 05, 2005 2:17 AM
Subject: [modeleng] Re: Tall Tales?
> Hi Barrie
> Not all piston heads are hollow, the LNER preferred a one piece forged
> head
> and rod.
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