building rim - what's wrong???  RSS Feed

#1 2012-11-23 5:05am

houndog
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building rim - what's wrong???

I've built about 6-7 rims already but for some reason, I cannot figure out what is wrong with this one.  Please take a look at the pics---check out the lacing pattern and the depth of the spokes in the nipples, etc.  Something just isn't right. These are the exact spokes and hub and nipples that came off this rim.  All OG to the rim.
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03741.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03746.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03747.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03742.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03745.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03743.jpg

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#2 2012-11-23 5:07am

troynlori
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Re: building rim - what's wrong???

Must have been 4x before.

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#3 2012-11-23 5:13am

houndog
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Re: building rim - what's wrong???

troynlori wrote:

Must have been 4x before.

oh shlt!  i've never done that before but you think that's it?

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#4 2012-11-23 5:15am

troynlori
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Re: building rim - what's wrong???

The fact that they are some that look short and some that look long is meaningless.  That's just a matter of twisting the hub, in which case they will all wind up evenly too long.  I can't imagine it's anything other than a 4X issue.  What you can do is measure the actual length of the spokes you have and then take your hub and rim to a spoke length calculator and see what it says they should be for 3X and 4X and compare to the actual spokes you have.

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#5 2012-11-23 5:16am

houndog
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Re: building rim - what's wrong???

Here is the rim before I broke it down.  Is this a 4x pattern?
http://i755.photobucket.com/albums/xx191/dziel2001/DSC00170-1.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC00169-1.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC00171-2.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC00172-1.jpg

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#6 2012-11-23 5:17am

troynlori
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Re: building rim - what's wrong???

Yes.....lol

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#7 2012-11-23 5:36am

houndog
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Re: building rim - what's wrong???

OK, that solves it!  Thanks for the feedback.  Looks like I'll be lacing my first 4x pattern rims today!

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#8 2012-11-23 5:40am

troynlori
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Re: building rim - what's wrong???

Good luck.  And by the way, I was laughing with you, not at you.

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#9 2012-11-23 5:58am

Raoul
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Re: building rim - what's wrong???

These instructions were very helpful to me.

http://bmxmuseum.com/forums/viewtopic.php?id=47611

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#10 2012-11-23 6:52am

darkian
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Re: building rim - what's wrong???

Also, don't the spokes usually go in different directions?

Notice how when the wheels were originally laced, the spokes on the inside went opposite ways, but in your build they go the same way. This won't affect your problem, but it'll build a better wheel.

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#11 2012-11-23 7:11am

troynlori
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Re: building rim - what's wrong???

Check this out:

http://bmxmuseum.com/forums/viewtopic.p … 8#p1908318

I came to two conclusions:

1) There isn't one way they are always done.
2) In most cases it makes absolutely no difference.

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#12 2012-11-23 7:20am

kegger
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Re: building rim - what's wrong???

troynlori wrote:

Good luck.  And by the way, I was laughing with you, not at you.

i wasnt laughing at you either, i was just laughing NEAR you big_smile
good luck


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#13 2012-11-23 7:28am

dedmann
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Re: building rim - what's wrong???

it looks like yer outa sequence. .
let me recheck......
nope looks right - need glasses sad

... and to learn how to pay attention wink

Last edited by dedmann (2012-11-23 7:36am)


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#14 2012-11-23 7:30am

troynlori
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Re: building rim - what's wrong???

Nah....he's even.  He's even on a 3x with 4x spokes.

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#15 2012-11-23 7:35am

dedmann
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Re: building rim - what's wrong???

troynlori wrote:

Nah....he's even.  He's even on a 3x with 4x spokes.

HAHAHAHHA no kiddn! lol i need to pay attention.
(i started to comment on this like 45 minutes ago- was distracted- then came back)


PLEASE RESPECT CHAT OR I"LL BOOT YA WITH A WARNING!
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#16 2012-11-23 9:14am

houndog
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Re: building rim - what's wrong???

Alright fellas.  I really appreciate the feedback on this.  I'm going to start on this again in a little bit.  I'll post pics so you all can give me some feedback.

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#17 2012-11-23 9:39am

darkian
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Re: building rim - what's wrong???

troynlori wrote:

Check this out:

http://bmxmuseum.com/forums/viewtopic.p … 8#p1908318

I came to two conclusions:

1) There isn't one way they are always done.
2) In most cases it makes absolutely no difference.

Ok, fair point. But in the first set of pictures at the start of this thread you can see the marks by the spoke holes on the hub where the spokes would've been the other way. Rebuilding a hub that was previous built, it might be best to have the spokes in the same orientation as they were before.

But as you say, when all's said and done it won't make much difference anyway.

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#18 2012-11-23 10:47am

houndog
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Re: building rim - what's wrong???

darkian wrote:

troynlori wrote:

Check this out:

http://bmxmuseum.com/forums/viewtopic.p … 8#p1908318

I came to two conclusions:

1) There isn't one way they are always done.
2) In most cases it makes absolutely no difference.

Ok, fair point. But in the first set of pictures at the start of this thread you can see the marks by the spoke holes on the hub where the spokes would've been the other way. Rebuilding a hub that was previous built, it might be best to have the spokes in the same orientation as they were before.

But as you say, when all's said and done it won't make much difference anyway.

All valid points.  In fact, i kept restarting because I was trying to get the spokes to align that way----with the marks on the hub.

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#19 2012-11-23 11:23am

houndog
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Re: building rim - what's wrong???

Ok....time to step away from the rim.  now, instead of the spokes being too long (like they were with the 3x pattern), the last 5-6 spokes simply will not reach.  Very frustrating!!!!!!yikes

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#20 2012-11-23 11:37am

houndog
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Re: building rim - what's wrong???

Here are pics.  Thoughts?  It seems like the spoke ends are overlapping too much, as the outbound spokes seem to be going over the top of the heads of the inbound spokes.  Plus, the hub seems WAY off center---left and right wise.  Looking at the first pics before I broke them down, I really can't tell if they are 4x.  Are we sure about that?
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03748.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03749.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03750.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03751.jpg
http://i755.photobucket.com/albums/xx191/dziel2001/DSC03752.jpg

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#21 2012-11-23 11:58am

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Re: building rim - what's wrong???

x


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looking for bullseye 1st gen cranks, optional bb.

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#22 2012-11-23 1:04pm

troynlori
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Re: building rim - what's wrong???

Loosen all the nipples until they are hanging on by two threads.  Put the last nipples on. The tighten each nipple by one thread at a time until everything begins to center up and becomes lightly tight.  Then start the truing process.

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#23 2012-11-23 1:06pm

troynlori
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Re: building rim - what's wrong???

Notice that your inner spokes don't nearly over lap the heads near the hub.  You have the right pattern, just not balanced.  When you tighten it right, the inner ones will come closer to over lapping the heads and the outer ones will go away from overlapping the heads.

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#24 2012-11-23 1:36pm

darkian
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Re: building rim - what's wrong???

It might be that the spokes on the other side (where you've only laced half of them so far) need to all be moved along by one hole.

Also have you laced it up so that spokes either side of the valve hole diverge? This is usually a good place to start.

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#25 2012-11-23 2:09pm

6s135
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Re: building rim - what's wrong???

troynlori wrote:

Loosen all the nipples until they are hanging on by two threads.  Put the last nipples on. The tighten each nipple by one thread at a time until everything begins to center up and becomes lightly tight.  Then start the truing process.

+1  Yes, they were 4X before you broke them down.


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