[Farmall] O-12 parts

[Bob Currie]

Sneaky Peters.........ah yes, a legend in his own mind. Many of us remember 
him as the collector of anything red that ain't tied down! And a Charter 
member of the Swissconsin Correct Police!

bobcurrie,
Greenwood, CA


----- Original Message ----- 
From: "Mark Peters" <mspeters at tds.net>
To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
Sent: Wednesday, November 26, 2008 2:32 PM
Subject: Re: [Farmall] O-12 parts


> Hi Karl,    One thing to keep in mind with any type of sand casting is the 
> need for draft and ,no ,I`m not talking about having a beer! Patterns are 
> typically built with about 1 degree draft so that the sand mold can be 
> drawn off from the pattern or vice versa. So a guy has to be a little 
> careful to not have backdraft on your pattern or you wont get it out of 
> the mold cleanly. Mark
>  Been awhile since I`ve been called Sneaky. Didn`t think anyone on here 
> remembered  me  being called that other than Mike and Guy! It`s good to be 
> on here again.
> ---- olmstead at ridgenet.net wrote:
>> Sneaky, good to hear from you again!  Your mention of sheet wax got me to
>> thinking.  If a part could be dip-coated with something, that would be
>> enormously easier than building up the surface with Bondo.
>>
>> I'll take another look, but my first impression was that the air passages
>> in the air cleaner top would require cores.  Both the inlet and outlet
>> passages are in the casting.
>>
>> Guy was successful in sending me the drawing of the front engine mount
>> bracket.  It is a very pretty, but intimidating casting!
>>
>> Lane, I like bronze for machining (except hole drilling).  I just hate 
>> the
>> idea of 'dubbing' a bit so that it won't get sucked into the bronze. 
>> I've
>> done a lot of re-bushing (using bronze) of steering parts on my main O-12
>> project in the past year or two.  The steering is going to end up better
>> and tighter than new!  Finished the steering gearbox a couple of months
>> ago.
>>
>> As my property development projects wind down, I'm gradually finding more
>> time for tractor restoration.
>>
>> -Karl
>>
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