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| Custom handlebar clamps |
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| MadNick:
Thanks, Ive ordered a new 1/2" UNC tap set and saved some bacon fat for another go at it. The Hacienda must be built! Nick |
| MadNick:
Morning! The 1/2" UNC tap set have arrived from Namrick and are up to their usual good quality. I also bought some Ruko cutting paste from screfix for a fiver. Big difference and a nice clean thread has now been cut :) More progress and pictures over the weekend... Nick |
| DaveH:
Nick, There you go - well done :clap: :thumbup: :beer: DaveH |
| MadNick:
Morning, Here are the blanks for the clamps loosely assembled on the bike. The top yoke isnt flat so when the clamps are tightened up they do not sit square. I need to cut a chamfer on the bottom for them to sit square in the recess on the yoke. Before that though I need to do another tricky bit, drill two blind holes from the bottom almost the full length of the clamp - these will house two allen head bolts that will be used to tighten the clamps up with. And then onto boring out a 1" or 7/8" hole crossways for the handlebars themselves - I havent settled on a pair of bars yet. I am also contemplating some yokes from billet alloy or really push the boat out and buy some springer forks. Loads to do... Nick |
| MadNick:
Afternoon, Well I have had a busy day so far. Thanks for all the suggestions, in the end I did it like this - As far as I know so far - haha, it worked a treat. I finished up with these - I drilled and tapped the outside holes with a 5/16 UNC thread - these will house the allens bolts that tighten up the clamps. I thought it would be easier to do them now before slicing the things in two. Next is a tricky bit cross-drilling the 1" diameter holes for the handlebars to slide into. This will be a real test of my numbers as the allen bolts run very close. Could any of you offer tips on getting the cross drilling right as the hole needs to be perpendicular to the two outside bolts. Theres a lot of metal to remove but I have a 1" diameter end mill and a boring head, so there are plenty of options. Also I need to put some ridges inside the hole for the handlebars to grip against, again any suggestions please? Thanks for reading, Nick |
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