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Thread: Before I

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    Default Before I

    get a head of myself I thought I would post a pic and see what is said.

    20180912_144630.jpg

    The drawing is not perfect all the way, but it is the basic set up I came up with.

    I cannot have 3/8" of head bolt sticking out that far because of the disc brake rotor. So if I remove 5/16 off the inside edge, well it leaves just over an 1/8th of inch of head bolt sticking out past the down tubes inner edge.

    I also need more axle space for the caliper support arm and the rockers have to be on the outside edge of the fork tubes center line to accomplish this.

    I end the shoulder bolt with a bronze washer (1/16th" thick) for the shoulder bolt, jam nut followed with the cap nut. Maybe a few shims if needed.

    I can not find low profile bolt heads in 5/8" dia., half inch dia. has more choices, but I want to use 5/8" dia.

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    It does look like you are getting everything accounted for.

    Leave enough room for a brake stay.

    I also used 5/8 shoulder bolts. As I am rough on mine I tried to make the pivot stronger. But the eye design you are using is the most common out there and mine is the odd ball.

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    A vid of the parts involved.


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    Again, Thank You for all your help.

    While as I was going over things today, I discovered my mind stuck on a idea, when I opened up the mind to other things, well I am just glad I did not start anything solid yet. I will get it nailed down soon.

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    It takes a pile of bits and pieces.

    20141205_172214_zpszfrwej8t.jpg

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    beautiful front end there!...one to duplicate if possible, I for sure couldn't match the workmanship, or design.

    I didn't see much detail on the brake reaction rod, or it's fastening to the fork leg......mine could stand a rework, and Andy needs to build his.

    Rex could you show this area more clearly?

    thanks

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    The links are the same center to center as the rockers.

    I know the rockers each have a different shape, but all that matters are the centers. They are dimensionally the same.

    Then they are parallel to each other.

    From there it is just shoulder bolts and bushings.

    The fork legs are simply drilled and tapped.

    I will look for pics.

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    300+ Posts LarryA's Avatar
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    Thanks Rex, I didn't know about the correct linkage layout when building, Rodekyll had a thread concerning this , but too late for me....as a result my front climbs to max with hard front brake, will correct this winter.....thinking Andy should get this right when he gets to this point.

    thanks again

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    This is what I got down for the caliper support and the piece of 304SS I will use for it.

    20180916_071219.jpg

    A straight on look at how all sits, yes this front edge of the caliper looks to close to the rotor, but

    20180916_071732.jpg

    the back side is setting a little high, the pads edge is just a hair above the rotor, so mounting hole location is issue, lower the back some and the front might rise some if I do not use the center mounting bolt, once all is as needed, than mark and place the center mounting hole.

    Play time and more patterns, LOL

    20180916_070505.jpg

    I did get the tube and tire installed on the rim yesterday, oh and properly mounted the rotor into place. So in the process the little square weight fell of the rim, yet when I did the spin test on the wheel, well it spins for some time and always just rolled to a slow fine stop, no more forward or reverse movement. Did this so many times the wife wondered what I was wrong with me, LOL

    Brake lines, you can buy them ahead of time, but good chance they will need to be returned as they are to short or to long

    So one also can not forget the extension of the suspension and how much free brake line is needed. If you measure for the line as it will sit in riding position, need to add the suspension extension length to that initial measurement. I am looking at 62" of brake line and I do wonder if two short lines would work better.

    One from hand M/C ran down handle bars and part way down the forks to a transfer block. The second line would go to the caliper and contain the extra extension length needed. I see this as a way to help guide how the brake line will lay and extend and retract with the suspension and keep it out of the way of things. Just moving along.

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    Hope all are having a good week, I lost a day aready, LOL

    So I got the correct thread and length bolts for mounting the caliper to the support bracket.

    I played with travel motion and all that to make sure that the pads will ride the rotor all the time.

    So the final pattern was crafted today with precise bolt holes and axle hole location. I got excited because it was done and worked out, now to put it on the steel and get it cut and shaped.

    Waiting for more quote feed back on the fork tube work. Just poking along getting things done.

    Rex, that is such a tight fitting front end. I know it was to help me get over my clearance issue, wow, very tight, but I see it can be that way and work. I just kept thinking of the rotor scrapping bolt heads and wondered about a front flat tire and etc., just feel better if I have more clearance than you, wont be much, but a little bit more I hope.

    Have a good evening everyone.

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