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Messages - filthyphil

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British Bikes / Re: Triumph Bonnie 1966 QD rear wheel
« on: May 26, 2011, 01:19:51 PM »
Hi Rex
I have just had a wheel built by a local bike shop, who is pretty knowledgeable but didn't have the specific info for  Triumph wheels. I couldn't find a dimension in my manuals so I did some asking around of other wheel builders and was told by one specialist in Victoria 'put it in the middle', so thats what the local guy did.

Later [as bloody usual...] I found reference to the wheel building specs, but all they refer to is the measurement being from 'hub' to 'rim' - 27mm for WM2, 22.2mm for WM3.
I don't know if they mean from the outer face of the spline or the face near the spokes on the drive side, and don't know if they mean from the outer face of the bearing retainer [which drives the speedo drive] or the face near the spokes again. There is no illustration to show which.
I have measured 34mm from the spline face to the rim and 18 from the outside of the speedo drive/bearing retainer - the average of this is close to the 27mm figure so that seems likeley to be the way to measure it and means my wheel is now off-centre - aaarrrgggh!
Any info would be a help.
Also , how wide is a WM2 rim? The code has been polished off mine.
cheers
Phil

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British Bikes / Re: Triumph Weave
« on: May 25, 2011, 02:52:10 PM »
New swingarm bushings? No lateral play when you hold the bike still and apply sideways force to the swingarm?
That or the friction damper or steeing head bearings seem the likely culprits. And how about the tyre choice? I think an Avon SM rear and Speedmaster front would have been the original fitting - K70s might be a suitable tyre these days, but TT100s could upset the handling, being a knife-edge kind of profile.
And I agree with wetdog - the swingarm support engineering is a really poorly thought out system - Malcolm Uphill must have been a very brave man.....tight fitting and tight bolts for those rear frame plates would be essential to getting good handling.
cheers

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British Bikes / Triumph Bonnie 1966 QD rear wheel
« on: May 25, 2011, 02:43:04 PM »
Can anyone run me through the procedure of how to build a QD hub and rim with the correct offset.
I have the figures given in the factory workshop manual but it says they 'are given for the information of professional wheelbuilders' and don't elaborate on how to apply these measurements.
Can anyone enlighten me???
cheers
Phil

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