I have a newly restored Judson SP for my Bugeye, not yet installed. I can get
any measurements you need from the pulley. Tell me exactly what to measure.
Mike MacLean-60 Sprite
"Kent J. Miller" wrote:
> I tried to measure the crank pully but it is on the engine. It is about 4
> inches across. The pulley on the Judson is a little smaller. The Judson
> crank pully is smaller than the regular crank pulley. I can't get an
> accurate measurement with a tape measure and I don't have a calipers that
> big.
>
> Hope it helps,
> Kent
> 1960 Bugeye
>
> ----- Original Message -----
> From: Dean Hedin <dhedin@vsi.net>
> To: <judson@autox.team.net>
> Sent: Sunday, October 08, 2000 4:33 PM
> Subject: Re: Judson drive pulley
>
> > Can any one confirm this? All literature that I have seen for the Sprite
> Judson
> > show the crank pulley to be equal in diameter to the pulley on the unit.
> >
> > ----- Original Message -----
> > From: "GulphMills.Com" <judson@gulphmills.com>
> > To: "Dean Hedin" <dhedin@vsi.net>; <jgronberg@coxautomation.com>;
> > <judson@autox.team.net>
> > Sent: Sunday, October 08, 2000 1:02 PM
> > Subject: RE: Judson drive pulley
> >
> >
> > > To all,
> > >
> > > The correct ratio is 1:1.29...The crankshaft should turn once(1 turn)
> for
> > > every 1.29 turns of the supercharger rotor.
> > >
> > > Thank you, Judson Company
> > >
> > > -----Original Message-----
> > > From: owner-judson@autox.team.net [mailto:owner-judson@autox.team.net]On
> > > Behalf Of Dean Hedin
> > > Sent: Monday, October 02, 2000 5:12 PM
> > > To: jgronberg@coxautomation.com; judson@autox.team.net
> > > Subject: Re: Judson drive pulley
> > >
> > >
> > >
> > > > Does anyone out there have a dimensioned drawing (for the pulley on
> the
> > > > Judson housing itself) you can email me so I can have a new pulley
> made?
> > > >
> > > > I will use the original dimensions as a start but I have to modify the
> > > > original due to my set up.
> > > >
> > > > Thanks
> > > >
> > > > JG
> > >
> > > The pulley should be the same size as the as the one on the unit.
> > > The face of the supercharger pulley that goes against the pulley
> > > already on the engine should have a raised portion that fits inside
> > > of the concavity of the engine pulley. You then have to drill 2 (or
> 4?)
> > > pits in the face of the supercharger pulley that can interlock to the
> rivets
> > > in the engine pulley. I believe I modified the crankshaft bolt (that
> holds
> > > onto both pulleys) by shaving down the thickness of the bolt head.
> > > This made it easier to tighten the bolt due to the close clearance of
> the
> > > pulley to the front crossmember.
> > >
> > >
> > >
> > >
> > >
> >
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