[modeleng] Re: Vanes Boiler Works

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
>>>
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>   
>>>       
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>>     
>
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