Cold-setting rear triangle question
First build is built up. Unfortunate thing is my jigging must have slipped, and one dropout ended up being 1.5mm lower than the other. As a result, the rear wheel is about 1.5 degrees off of vertical alignment.
Bike rides fine. I don't feel it pull to one side or anything. Is there a way to bend it back into plane, or would that require unbrazing seat stays?
E
Re: Cold-setting rear triangle question
Get a file (rat tail, or flat if these are horizontal parts) and show the underside of the dropout who's boss atmo.
Re: Cold-setting rear triangle question
Interesting ... yep, these are track drops. I guess if I file down the upper side of the low DO, the axel would end up level.
So, there's no bending that can take care of my mistake?
Re: Cold-setting rear triangle question
If the seat stays are on, there's no way you're going to get it to bend up. The file trick is a tad sketchy on track dropouts, but that's what I would do.
Re: Cold-setting rear triangle question
Re: Cold-setting rear triangle question
Try un-brazing either end of the seatstay and then cold set the CS and re-braze the seatstay. Depending on design, it might be easier to un-braze SS from the seat cluster.
Alternately, if you do need to file top of the horizontal dropout higher, you might be able to fill-in the bottom of the DO slot with bronze or else braze a thin strip of steel to bottom of the slot so that the slot doesnt get wider.
Re: Cold-setting rear triangle question
No - don't do this ^ atmo. You'll be throwing good money after bad. You've already screwed up. Limit the losses. Heat would be the enemy now.
Re: Cold-setting rear triangle question
I thought the standard answer should be
"Dude it's your first frame, be glad it rolls sorta semi straight and not in circles. Learn from what mistakes you made. Get another tubeset build up it's replacement and hang that FSO on the wall with pride."
Or something like that.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
shirk
I thought the standard answer should be
"Dude it's your first frame, be glad it rolls sorta semi straight and not in circles. Learn from what mistakes you made. Get another tubeset build up it's replacement and hang that FSO on the wall with pride."
Or something like that.
It's better to be nice than brutally honest. If we were as honest as we'd like to think we are,
a good deal of the posts about similar issues would get your reply in one form or another atmo.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
eschallenberg
First build is built up. Unfortunate thing is my jigging must have slipped, and ...?E
so you didn't check your frame after you tacked the rear end?
or you brazed it in the fixture?
i know this isn't the question, but that has been answered. what is important is that you/others learn to avoid the mistake.
Re: Cold-setting rear triangle question
shirk: I _am_ glad that it rolls and that I can ride it without it flying apart (so far) ... and I'd be okay leaving the wheel off ... was just wondering if there was something quick and dirty I could do to repair my mistake.
Wade: I checked as best I could ... I'm working with a vise and a protractor here. I measured, pinned my CS's, rechecked, string checked, fluxed up, re-pinned, checked ... I brazed out of my jig, so I think something moved ... but, truth be told, for a first frame I think 1.5 degrees is not bad.
E
Re: Cold-setting rear triangle question
great. just checking your chekkins.
and btw, i have a free granite slab if anybody wants it...nevermind the names on it they're all done with it.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
WadePatton
great. just checking your chekkins.
and btw, i have a free granite slab if anybody wants it...nevermind the names on it they're all done with it.
This is actually really funny.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
WadePatton
so you didn't check your frame after you tacked the rear end?
or you brazed it in the fixture?
i know this isn't the question, but that has been answered. what is important is that you/others learn to avoid the mistake.
Says the guy with one frame under his belt..........If we are going to be brutally honest, here.
XXOO - Garro.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
steve garro
Says the guy with one frame under his belt..........If we are going to be brutally honest, here.
XXOO - Garro.
your count is off sir.
but yes it is miniscule and therefore all of my input is suspect? I'll go get back under my rock.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
WadePatton
(1)your count is off sir.
(2) it is miniscule and therefore all of my input is suspect?
(3) I'll go get back under my rock.
(1): By how much?
(2) Um.......kinda......
If info is 1st hand I'm all for it - if it's 2nd hand, then yes.
Is it some thing you KNOW, or just read on the WWW?
(3) Why?
We love ya man, but somethime the "I'm not a builder, I just play one on the WWW"
Wears kind of thin.
I wish more then anyone WPV was posting in every FNL - I REALLY DO - and here this cat is MAKING something - He may very well know more then you.
See you next FNL?
Please?
Won't be the first framebuilding site I've been banned from I reckon.........
- Garro.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
e-RICHIE
Get a file (rat tail, or flat if these are horizontal parts) and show the underside of the dropout who's boss atmo.
My #2 frame was similarly 'goofy'.
Since I was using horizontal dropouts, I filed a little from alternate sides on each dropout and then took the 'opportunity' to lay down a little brass on the other side and file that square so that when I slid the axle in it had a satisfying feeling w/regards to the tolerance/fit/wiggle. Its now one of many hanging on the wall anyway. :)
I've screwed lots of stuff up, but suspect (device) have learned more from my screwups than the sometimes 'luck' of doing things correctly.
Lets see some pictures!
-Bernie
Re: Cold-setting rear triangle question
I think Mr. Patton has recently posted pics of his 38th frame somewhere on the WWW.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
busdriver1959
I think Mr. Patton has recently posted pics of his 38th frame somewhere on the WWW.
I'd sincerely love to check them out.
- Garro.
Re: Cold-setting rear triangle question
Quote:
Originally Posted by
busdriver1959
I think Mr. Patton has recently posted pics of his 38th frame somewhere on the WWW.
I don't mind Mr. Garro givin' me shit at all. I get his angle and shall not fuss about it.
But I don't know you and this is shit for shit's sake. Please take your shit somewhere else. If you can find where i have posted un-helpful information or information not intended to be helpful, then let's discuss that. But an pile-on event shall not be tolerated.