[SEL] Need Help with 1-1/2 HP Petter

[Paul Maples]

Hello Arnie,

For some strange reason I never saw Curt's post so I am just now reading it 
for the first time. I don't have a mill so I have no way of milling a slot 
in a piece of round stock, might could take it to a local machine shop and 
get them to do it if it is not too expensive.

Thanks for the help,

Paul

----- Original Message ----- 
From: "Arnie Fero" <fero_ah at city-net.com>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Thursday, March 24, 2005 12:09 PM
Subject: Re: [SEL] Need Help with 1-1/2 HP Petter


> Paul,
>
> Curt has described exactly what I was going to suggest.  The only thing I
> would add is to drill a hole down the center of the fixture so that you
> can run a bolt through it and into the tapped hole in the end of the
> crankshaft.  That will keep your fixture from moving around as you work.
> The threaded hole may be Whitworth.
>
> See ya,  Arnie
>
> Arnie Fero
> Pittsburgh, PA
> fero_ah at city-net.com
>
> On Thu, 24 Mar 2005, Curt wrote:
>
>> It is a little hard to see the picture details, but since you have no
>> keyway to guide with perhaps another guide could be fabricated. It looks
>> like you have about an 1-1/2 of shaft sticking out. You could take a
>> piece of round stock maybe 4" long and bore it down the length for a
>> tight slip fit over the exposed shaft. From the end mill a slot the
>> width of your gib key and as deep as the key protrudes from the hub.
>> Then drill your guide hole down the length of the round stock, the
>> correct distance off centerline such that it will meet centerline of the
>> gib key. Keep in mind the .010/inch taper so that when you get in deep
>> in the gib key you are not breaking into the flywheel taper.
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