[SEL] Maching blank pistons

[jbcast at charter.net]

Curt, we had 70 of them cast, three different patterns, all came out 
good. I'm doing another patern-core box for a three cylinder St Lawrence 
marine engine, will see how it works out.
J.B.







Apr 22, 2013 at 10:18 PM, curt at rustyiron.com wrote:

> J.B.
> The method described works well if (and that's a big if) the core 
> didn't
> shift in molding/pouring operations! My experience is some shift of 
> the
> core mold does occur. Especially on horizontally cast pistons.
> The vertical patterns you use are a nice improvement.
> Curt Holland
> Bessemer City, NC
>
>
>
>> This link should get you to a good article.
>>
>>
>> 
>> http://wewilliams.net/docs/1925%20-%20The%20Correct%20Way%20to%20Machine%20Oversize%20Pistons%20-%20Bulletin%20No%2085.pdf
>>
>> J.B.
>>
>>
>>
>>
>>
>>
>>
>> On Mon, Apr 22, 2013 at 6:36 AM, Peter Lowe wrote:
>>
>>> Do we have any members who have a web site that shows the steps for
>>> machining blank pistons and making rings?
>>>
>>>
>>> Regards
>>> Peter Lowe
>>> R&V Engine Registrar
>>> http://www.oldengine.org/members/plowe/rv-engines/rvpage.htm
>>> Australia
>>> _______________________________________________
>>> SEL mailing list
>>> SEL at lists.stationary-engine.com
>>> http://www.stationary-engine.com/mailman/listinfo/sel
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