[modeleng] Re: Vanes Boiler Works

How about an empty Oxygen bottle??

Al Messer
--- Patrick Coppens-Marian Lynch <develop@xxxxxxxxx>
wrote:

> Dam'd nuisance those gas people!
> Patrick
> 
> TEL wrote:
> > A lot thinner than you would expect Patrick - way
> too thin for a boiler
> > shell
> >
> >
> >
> >   
> >> Harry,
> >>
> >> I haven't cut up any propane cylinder yet, so I
> wasn't aware of the wall
> >> thickness of them, do you have any data on
> that/experience with this?
> >>
> >> Patrick
> >>
> >>
> >> Harry Wade wrote:
> >>     
> >>> At 05:38 PM 9/19/07 +0200, you wrote:
> >>>
> >>>       
> >>>> Today, I took delivery of a bit of steam
> ephemera. - Patrick
> >>>>
> >>>>         
> >>> Patrick,
> >>>         Of concern should be the wall thickness
> of your barrel.
> >>>       
> > Although
> >   
> >>> 1/8" or even less will meet the mathematical
> strength requirements for a
> >>> small say a small 100psi boiler, if the boiler
> is to have any life
> >>> expectancy at all the walls (and heads) need to
> be thicker for heat and
> >>> corrosion allowance.  For welded steel boilers
> for large scale model
> >>>       
> > locos
> >   
> >>> in the US, say those with barrel diameters of 8"
> to 12", 1/4" is an
> >>> absolute minimun with a 5/16" or even 3/8"
> thickness being common.
> >>>
> >>> Regards,
> >>> Harry
> >>>
> >>> MODEL ENGINEERING DISCUSSION LIST.
> >>>
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> >>>       
> > subject line.
> >   
> >>>       
> >> MODEL ENGINEERING DISCUSSION LIST.
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> >>     
> > line.
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> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
> > To UNSUBSCRIBE from this list, send a blank email
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> > modeleng-request@xxxxxxxxxxxxx with the word
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> >
> >   
> 
> 
> MODEL ENGINEERING DISCUSSION LIST.
> 
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> 



      
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