oroboyz@aol.com wrote:
> Very interesting! ?How nice that they made these two videos!
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> A few observations & questions...
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> At the start:?
>
> - Heating fork blades rather high up... for what purpose? It almost
> looks like he is heating to re-set the curvature/offset, which should
> be a no no. But maybe that is not the case and instead he is brazing
> the dropouts and for some reason heating the blades higher up than
> seem necessary or desirable...?
>
>
he is bending them hot in a 90 year old tradition
> ?Why the dual top tube process? To match seat and and head angle by
> making these top tube elements?parallel??
He is checking the seatlug with a dummy tube. The dummytube should be
parallel with the toptube to ensure a stress free frame
> Note that unusual fixture or gadget along the top of top tube when he
> is fitting it to bb shell...
>
i think it gives him his centerline and insures he inserts the seattube
equal amounts during fitting
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> All and all a fascinating look at a builder who had obviously devised
> his own solutions to the craft of traditional frame building!
>
>
> Would love to know what he occasionally says....
>
looking at the fork: "accurate to a thousands of a millimetre"
looking at the clock 18:00: "were done for today"
-- mvg
Marten Gerritsen
Kiel Windeweer
Netherlands