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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Put front caliper on right fork in front of fork? /cgi-bin/YaBB.pl?num=1311649934 Message started by Gyrobob on 07/25/11 at 20:12:14 |
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Title: Put front caliper on right fork in front of fork? Post by Gyrobob on 07/25/11 at 20:12:14 What would be the pros and cons of switching sides for the caliper? One guy mentioned the routing for the brake tubing would be shorter and simpler. You could even use metal tubing for most of it with just a short loop to account for fork travel. Less weight? Would the forks feel different with some weight moved forward of the rotational (stem) axis? Would it make any difference having the rotor pulling the caliper away from the fork instead of pushing it toward the fork? Just brainstorming here,... |
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Title: Re: Put front caliper on right fork in front of fo Post by verslagen1 on 07/25/11 at 20:35:34 Well, placing the caliper more over the center of the axle would be a benefit to the fork and make the load on the forks equal. But you may need a more substantial lugs to mount to, as now the lugs will be in tension. metals are stronger in compression than tension. |
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Title: Re: Put front caliper on right fork in front of fo Post by Howitzer on 07/25/11 at 20:51:29 4D5E4948575A5C5E550A3B0 wrote:
I knew ceramics are stronger in compression, but I wasn't aware metals were. |
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Title: Re: Put front caliper on right fork in front of fo Post by prsavage on 07/25/11 at 21:24:47 Doesn't the bleed screw end up on the bottom and unusable if you switch sides? I don't have my bike to look at as it is at home and I am out of town for work or I would check myself. |
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Title: Re: Put front caliper on right fork in front of fo Post by Serowbot on 07/25/11 at 22:54:54 ... but that'll make you stop backwards... :-?... |
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Title: Re: Put front caliper on right fork in front of fo Post by Gyrobob on 07/26/11 at 02:49:00 6076617C64717C67130 wrote:
Only if I am upside down |
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Title: Re: Put front caliper on right fork in front of fo Post by spacepirates on 07/26/11 at 07:27:51 hm... what if you got an extra left fork and used the two lefts such that you could have a dual disc setup? would there even be enough space to mount a second disc? if you've got the time, you could always try it. might suck up the better part of a weekend, but then you'd know. |
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Title: Re: Put front caliper on right fork in front of fo Post by Gyrobob on 07/26/11 at 11:50:14 4645545650455C4754415046350 wrote:
That might look a little unusual,.. having one caliper in front of the right fork, and one caliper in back of the left fork. |
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Title: Re: Put front caliper on right fork in front of fo Post by MotoBuddha on 07/26/11 at 16:40:28 484B5A585E4B52495A4F5E483B0 wrote:
The axle slides through the right fork and screws into the left. Then the pinch bolt on the right fork clamps the axle in place. With two lefts, you'd need to modify one fork so the bottom is like a right fork. |
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Title: Re: Put front caliper on right fork in front of fo Post by drums1 on 07/27/11 at 06:11:45 What, exactly, would be the point of doing all this? Right, left, what's the difference, as long as the bike stops? Personally, I go by "if it ain't broke, it don't need fixin'." I guess some guys just like to fabricate for the sake of fabricating. Myself, I let Suzuki do the building, I'll just do the riding. [smiley=vrolijk_26.gif] |
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Title: Re: Put front caliper on right fork in front of fo Post by Boule’tard on 07/27/11 at 07:43:14 10372F312C223D2A580 wrote:
I knew ceramics are stronger in compression, but I wasn't aware metals were. [/quote] +1 [citation needed]. I think most metals, including aluminum, are isotropic.. that is, same properties regardless of direction. But verslagen's cautionary advice probably still holds, because the stress would be concentrated onto a smaller cross section of material (therefore the whole assembly would be more prone to catastrophic failure) if the lugs were in tension. Not that we don't want Gyrobob to try it ;D ..but also, remember to flip your tire around if running a directional tread. |
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Title: Re: Put front caliper on right fork in front of fo Post by MotoBuddha on 07/27/11 at 07:53:19 Seems to me, the way the stock caliper is mounted, and the angle to the rotor, the top lug is in compression but the bottom lug is at least partially under tension. Where the rotor meets the caliper, it's moving upward, levering the rear of the caliper upward, with the top lug acting as the pivot point and the rear lug keeping the caliper from flipping upward. If the caliper was mounted on the front of the fork (like many used to be) the bottom lug would then be in compression and the top lug in tension. |
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Title: Re: Put front caliper on right fork in front of fo Post by verslagen1 on 07/27/11 at 08:37:29 I use a lot of exotics, so I have to be aware that they are different. Especially when I have to design for requirements that would leave you as a puddle on the floor. Even stainless tensile yield strength is 26kpsi vs 23kpsi in compression. Which does seem like a lot till you compare 1/4 hard material... tensile yield strength is 69kpsi vs 44kpsi in compression. But not so much for 6061 aluminum... tensile yield strength is 35kpsi vs 36kpsi in compression. |
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Title: Re: Put front caliper on right fork in front of fo Post by arteacher on 07/27/11 at 09:20:31 IMHO it would be more trouble than it's worth. Some have gone to two brakes with different forks from another bike. |
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Title: Re: Put front caliper on right fork in front of fo Post by MotoBuddha on 07/27/11 at 10:17:43 251B100D000D00620 wrote:
If all you want is a shorter, simpler brake line, then you could swap the master cylinder to the left by using one from a hydraulic clutch, then retrain your hands. ;D |
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Title: Re: Put front caliper on right fork in front of fo Post by Gyrobob on 07/27/11 at 14:30:49 13312A311C2B3A3A363F5E0 wrote:
If all you want is a shorter, simpler brake line, then you could swap the master cylinder to the left by using one from a hydraulic clutch, then retrain your hands. ;D[/quote] Nah,... all I'd have to do is sit facing backwards. |
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