[modeleng] Re: Vanes Boiler Works

Allen,
That is a possibility, as these are over 5 mm thick (the walls that is) 
the steel type is known, but they are a bit small in diameter, 
nevertheless, something could be done with them
Patrick

Allen Messer wrote:
> 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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>>>>         
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>>>>         
>>> MODEL ENGINEERING DISCUSSION LIST.
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>       
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