[TheForge] [OT] Re: Cats, boots (Was: chickens)

[peter fels]

On Mar 26, 2011, at 12:26 PM, Jerry Frost wrote:

> That's the ticket Pete! Fill those with water and freeze em! Of course you 
> COULD stop by a muffler shop and ask to use the pipe expander but that'd be 
> cheating I suppose.

Oh Jerry, i woulda cheated!
The pipe was curved 180* and embossed from the outside.
I have a cheapie mechanical pipe expander, which worked on the ends
 as far in  as i could run a socket- swivel-extender,-ratchet assembly.
 I tried improvising a flex drive for the expander, but couldn't transmit enough torque,
and not cause extra distortion.
I braised a big ball on a piece of cable and dragged it through forcibly but it was messy.
All the while i was furiously thinking of all the nifty special purpose tools
 i could make to solve the problem and how long it would take to make them.
> 
> Jer
> ----- Original Message ----- 
> From: "peter fels" <artgawk at thegrid.net>
> To: <mspencer at tallships.ca>; "Blacksmithing List Sponsored by ABANA" 
> <theforge at mailman.qth.net>
> Sent: Thursday, March 24, 2011 11:06 PM
> Subject: Re: [TheForge] [OT] Re: Cats, boots (Was: chickens)
> 
> 
>> To buy them Mike..
>> You need quoins of the realm.
>> Port-a-powert clamshell attachments spread a small space ,but aren't 
>> parallel.
>> Machinists have a similar sort of step block set, but they lack the 
>> pinion-like tool.
>> On a recent project, i needed to expand the inside of a shaped copper 
>> tube..
>> Annealed it and went to the Home depot and bought a  rubber bulb ,sewer 
>> line plug that inflates with a hose.
>> I have 130 PSi water pressure and blew out 2 of them before the job was 
>> finished.
>> 
> 
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