Dear Colin,
That link makes an interesting read and ties in with what you said in an earlier post:
That link makes an interesting read and ties in with what you said in an earlier post:
> I've lined up as much as I can with a small straight edge and there could be a very subtle tilt of the adjuster pulley in the direction of belt tension.
> I do notice the cam pulleys outer edge on the vertical cylinder line up with a straight edge to the vertical idlers.
> On the horizontal, the straight edge across the cams will not line up with the idlers.
> I do notice the cam pulleys outer edge on the vertical cylinder line up with a straight edge to the vertical idlers.
> On the horizontal, the straight edge across the cams will not line up with the idlers.
We all like to watch a good murder mystery thriller on TV. We try to guess "who did it" and hope that we are right when the answer is revealed at the end of the show.
I hope that this is the end of your mystery.
Regards,
Eddy
(Ducati '03, ST4S, '48 Vincent Rapide)
(Hinckley, Leics., UK)
--------------------------------------------------
From: "golgrin" <ecol@paradise.net.nz>
Sent: Sunday, November 21, 2010 4:29 AM
To: <st2_owners@yahoogroups.com>
Subject: [DucatiST] Re: Cam belt alignment
> Derek you're on the right track but there's more.
>
> Thanks to all for the input...I sussed it with a combo of what you guys were saying and a bit more.
>
> No offence intended to you wise ones but my breakthrough was to look at non Duc sources for flat belt alignment info.
>
> I found this gem. http://www.lhup.edu/~dsimanek/scenario/crowning.htm
> For those interested, make sure you go to the next page for the explanations.
>
> Was a bit hard for a bloke who struggled with maths and physics but it slowly made sense.
>
> I have now shimmed under the inner belt cover in a way that was counterintuitive to what I had been thinking.
> For now I just want to get enough of the bits back on the bike to run it up to its first heat cycle for retightening the heads.
> But after that when I have to pull it all apart again I'll take some pics to show you the shimming that straightened everything up and has the belt running down the middle of the pulleys.
>
> The pipes are back on, the electrics connected and back on charge and I'll connect up the fuel shortly ready for the start up.
>
> Thanks again.
>
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1153 / Virus Database: 424/3267 - Release Date: 11/19/10
>
Regards,
Eddy
(Ducati '03, ST4S, '48 Vincent Rapide)
(Hinckley, Leics., UK)
--------------------------------------------------
From: "golgrin" <ecol@paradise.net.nz>
Sent: Sunday, November 21, 2010 4:29 AM
To: <st2_owners@yahoogroups.com>
Subject: [DucatiST] Re: Cam belt alignment
> Derek you're on the right track but there's more.
>
> Thanks to all for the input...I sussed it with a combo of what you guys were saying and a bit more.
>
> No offence intended to you wise ones but my breakthrough was to look at non Duc sources for flat belt alignment info.
>
> I found this gem. http://www.lhup.edu/~dsimanek/scenario/crowning.htm
> For those interested, make sure you go to the next page for the explanations.
>
> Was a bit hard for a bloke who struggled with maths and physics but it slowly made sense.
>
> I have now shimmed under the inner belt cover in a way that was counterintuitive to what I had been thinking.
> For now I just want to get enough of the bits back on the bike to run it up to its first heat cycle for retightening the heads.
> But after that when I have to pull it all apart again I'll take some pics to show you the shimming that straightened everything up and has the belt running down the middle of the pulleys.
>
> The pipes are back on, the electrics connected and back on charge and I'll connect up the fuel shortly ready for the start up.
>
> Thanks again.
>
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1153 / Virus Database: 424/3267 - Release Date: 11/19/10
>
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