Sunday, 7 June 2009
Prototype yokes/triple trees.
As I've mentioned before, I haven't really got a comprehensive drawing for this bike. Just an overall plan and a mental image of what I want. I do some maths, ask a LOT of questions to a lot of people, and then we make a prototype. If the prototype turns out good, it ceases to be a prototype and becomes the "production item" and is welded/added to the bike. That way I can tell myself: "–never mind, it's only a prototype" when I screw up.
The triple trees, on the other hand, were always meant to be prototypes (honest). The aluminium blocks needed to machine a pair of chunky yokes are pretty expensive and we couldn't afford to do more than one run. So we put some scrap iron in the mill and did a trial run. The result is in the pictures. They look pretty good to me, but they weigh a ton and will be replaced as soon as we are sure that the geometry works out.
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