Search: Posts Made By: Andrew R Stewart
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Forum: Framebuilders
06-15-19, 04:05 PM
Replies: 4
Views: 584
Posted By Andrew R Stewart

Trek has sold thousands of bikers with a...

Trek has sold thousands of bikers with a significant diameter reduction at the top of the ST. I forget how much post it actually clamped but it's no more then the width of a hand. Being a small guy I...
06-15-19, 03:57 PM
Replies: 7
Views: 266
Posted By Andrew R Stewart

Agreed that tapered square is the most versatile,...

Agreed that tapered square is the most versatile, and good enough for my generation's cycling gods (Merckz, LeMond). Andy
06-14-19, 08:27 PM
Replies: 6
Views: 303
Posted By Andrew R Stewart

If the chain remains on the initial cog then...

If the chain remains on the initial cog then either the cable is only slightly "loose/tight" and it's catching the adjacent cog, jumping up but not derailing to the next door cog. Or the chain/cog...
06-14-19, 08:17 PM
Replies: 6
Views: 296
Posted By Andrew R Stewart

Chain suck up the rings' underside? Chain had a...

Chain suck up the rings' underside? Chain had a "wave" in it from the front drop off that traveled to the rear's cage and unshipped over the inner cage plate and caught on the spokes?

How worn are...
06-14-19, 08:03 PM
Replies: 8
Views: 394
Posted By Andrew R Stewart

Sew ups are well known for not being of any final...

Sew ups are well known for not being of any final "size" until mounted. The casing has a large amount of stretch and can often seem smaller in what might be the final size then what is the reality.
...
06-14-19, 07:45 PM
Replies: 20
Views: 433
Posted By Andrew R Stewart

+1. Even if black and white thinking is in vouge...

+1. Even if black and white thinking is in vouge these days the world has an infinite shades of gray. Andy
06-13-19, 09:14 PM
Replies: 3
Views: 238
Posted By Andrew R Stewart

Cogs and rings (and the spiders the rings attach...

Cogs and rings (and the spiders the rings attach to) are rarely really close to round. Of course the more expensive stuff is closer, usually at least. The peaks and lows of the sprockets generally...
06-13-19, 08:46 AM
Replies: 21
Views: 596
Posted By Andrew R Stewart

+10! Andy

+10! Andy
Forum: Framebuilders
06-12-19, 08:46 PM
Replies: 6
Views: 1,058
Posted By Andrew R Stewart

Tacking the tips of the lugs is what I and many...

Tacking the tips of the lugs is what I and many do. I have seen and read of some who tack along the lug sides but I feel the off center line application of heat might promote distortions/twists. I do...
06-12-19, 08:41 PM
Replies: 4
Views: 302
Posted By Andrew R Stewart

While the "road" end (sometimes called the pear...

While the "road" end (sometimes called the pear shape) cables generally have very similar initial "at the cable" shapes the bulge portion can have some differences in size. Some levers have less...
06-12-19, 08:33 PM
Replies: 21
Views: 596
Posted By Andrew R Stewart

I suspect the OEM wheel was laterally flexible,...

I suspect the OEM wheel was laterally flexible, not so much torsionally so. Perhaps one of the draw backs to a minimally spokes wheel that has a lot of dish. Add in the reduction of clearances to fit...
06-12-19, 08:23 PM
Replies: 7
Views: 342
Posted By Andrew R Stewart

One person's thread adjustment is another's...

One person's thread adjustment is another's damage. Yes there are different headset and BB thread pitches which share very close diameters. England used both 24 tpi and 26 tpi pitches on both...
06-12-19, 05:11 PM
Replies: 16
Views: 481
Posted By Andrew R Stewart

A part of your answer is whether the components...

A part of your answer is whether the components that the old bike can fit will keep you happy for long enough compared to those that a new bike will have, disc brakes. 11+ count rear cogs, 1x cranks...
Forum: Framebuilders
06-12-19, 09:45 AM
Replies: 10
Views: 1,443
Posted By Andrew R Stewart

One reason I mentioned the possibility of this...

One reason I mentioned the possibility of this being a show bike is that this provenance would add value. It is sad that art/tooling/stuff sometimes isn't handled/stored well. I've seen some bikes...
Forum: Framebuilders
06-12-19, 09:41 AM
Replies: 6
Views: 1,058
Posted By Andrew R Stewart

In my BJ (before jig) building I tried a few...

In my BJ (before jig) building I tried a few "hockey stick" arrangements and decided that what I liked best. I ended up doing the ST to shell 1st then add the TT, this is the 1st half of the main...
Forum: Framebuilders
06-11-19, 08:55 PM
Replies: 10
Views: 1,443
Posted By Andrew R Stewart

barginguy- I believe this bike was the display...

barginguy- I believe this bike was the display bike at a NYC retail dealer show. Unsure of the year but it was fairly early in my frame building efforts, early 1980s IIRC. I remember a later...
06-11-19, 08:27 PM
Replies: 39
Views: 1,090
Posted By Andrew R Stewart

When I was young and mindless I used creek bank...

When I was young and mindless I used creek bank soil/sand/dirt/water to wash my camp dishes. Now older as so much cooler I use Dr Bronners soap. Wasn't this thread about dirty hands and not dished...
06-11-19, 08:22 AM
Replies: 39
Views: 1,090
Posted By Andrew R Stewart

Mayo, any skin lotion, sun tan cream, cooking...

Mayo, any skin lotion, sun tan cream, cooking oils, solvents or those bike cleaning washes, I think you see the trend. Andy (who uses dirt to silence squealing brakes)
06-11-19, 08:17 AM
Replies: 17
Views: 606
Posted By Andrew R Stewart

Since I don't assume that the bikes I work on...

Since I don't assume that the bikes I work on have had their chains set up lengthwise for the best shifting (as opposed to the least cost, after 112 bikes the company has a "free" chain if they...
06-10-19, 07:00 PM
Replies: 34
Views: 1,437
Posted By Andrew R Stewart

It is always interesting in how different people...

It is always interesting in how different people solve/design the same stuff. I like the brake post stand offs, I've done much the same before. I am concerned about foot/heel clearance and those...
06-10-19, 12:07 PM
Replies: 10
Views: 387
Posted By Andrew R Stewart

Not saying that this is going on but thread wear,...

Not saying that this is going on but thread wear, as seen along the axle in spots, like this can be from the bearings failing to maintain the ability to keep the axle coaxial with the hub's IDs. In...
06-10-19, 12:03 PM
Replies: 10
Views: 701
Posted By Andrew R Stewart

I'm glad the manufacturer says they're good with...

I'm glad the manufacturer says they're good with your mods. I hope that is reflected in their written warranty. Good luck. Andy
06-09-19, 07:48 PM
Replies: 10
Views: 387
Posted By Andrew R Stewart

There have been some threaded axles which have...

There have been some threaded axles which have had their threaded ends turned down, not many but they do exist.

What does interest me is the photos of your axle and the worn down spots of...
06-09-19, 03:37 PM
Replies: 12
Views: 726
Posted By Andrew R Stewart

Shimano's UN-51 BB version is rather old, it...

Shimano's UN-51 BB version is rather old, it could be that the bearings are just wearing away. Andy
06-09-19, 03:23 PM
Replies: 10
Views: 701
Posted By Andrew R Stewart

As the dimension you speak of isn't really an...

As the dimension you speak of isn't really an aspect that most component makers or their customers care about it should be no wonder that this spec isn't listed anywhere. I'll also speculate that...
06-08-19, 08:40 PM
Replies: 9
Views: 533
Posted By Andrew R Stewart

If one replaces their $6 cable every so often...

If one replaces their $6 cable every so often there's no problem. Andy
06-08-19, 06:58 AM
Replies: 8
Views: 468
Posted By Andrew R Stewart

Maybe if you asked the chain nicely it would let...

Maybe if you asked the chain nicely it would let you post a vid of it:) Andy
06-07-19, 08:48 PM
Replies: 7
Views: 441
Posted By Andrew R Stewart

There are some crank arm/ring size, ft der cage...

There are some crank arm/ring size, ft der cage shape combos that just don't work. Ft der cages that has a step to the end of the cage can be extra hard to get all to play nice. Andy
06-07-19, 03:05 PM
Replies: 5
Views: 433
Posted By Andrew R Stewart

So Atlanta has no bike shops that can help/sell...

So Atlanta has no bike shops that can help/sell you a ring? Andy
Forum: Framebuilders
06-07-19, 11:12 AM
Replies: 13
Views: 921
Posted By Andrew R Stewart

This. I have completed more then a couple of...

This. I have completed more then a couple of frames that someone else started and stopped/quit building. Andy
Forum: Framebuilders
06-06-19, 10:56 PM
Replies: 2
Views: 567
Posted By Andrew R Stewart

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_1249_0e6d36f56902537d314054a1f846d243bed8240f.jpg...
Forum: Framebuilders
06-06-19, 10:34 PM
Replies: 6
Views: 681
Posted By Andrew R Stewart

William- Yes the "skirt" is the steerer extending...

William- Yes the "skirt" is the steerer extending below the crown.

himespau- Thanks. A single shot doesn't show the planning. I did a couple of practice brazings emulating this joint before this...
Forum: Framebuilders
06-06-19, 08:47 AM
Replies: 6
Views: 681
Posted By Andrew R Stewart

Eric- Not sure of the OEM fork's brakes. This is...

Eric- Not sure of the OEM fork's brakes. This is being built to a dimensional spec then being delivered raw. It's someone's experiment for changing their bike handling. Andy
06-06-19, 08:26 AM
Replies: 14
Views: 754
Posted By Andrew R Stewart

https://fernandoj.files.wordpress.com/2013/09/mura...

https://fernandoj.files.wordpress.com/2013/09/mural-park-tool-spa-41.jpg?w=500&h=375

Park SPA-3, yellow handle. No longer in production. Although do know that this series of loop bent rod...
06-05-19, 09:49 PM
Replies: 4
Views: 399
Posted By Andrew R Stewart

Just about one of the most common bike thread...

Just about one of the most common bike thread fittings, M5. Andy
06-05-19, 09:45 PM
Replies: 10
Views: 689
Posted By Andrew R Stewart

QR skewers that are 9mm are either for a fork...

QR skewers that are 9mm are either for a fork clamp, like on a roof top car rack, or an early attempt at what has become a through axle. As John says, most all bike QR skewers are 5mm in diameter....
Forum: Framebuilders
06-05-19, 07:34 PM
Replies: 6
Views: 681
Posted By Andrew R Stewart

Current Project

I haven't offered anything up lately. In the past a lull in the torch projects was typical as the retail shop hours ramped up. This spring is different. I got a lot done last winter while recovering...
Forum: Framebuilders
06-04-19, 08:42 AM
Replies: 9
Views: 1,511
Posted By Andrew R Stewart

Agreed that the new fork steepens the HA although...

Agreed that the new fork steepens the HA although the numbers on paper are small changes in themselves. I wonder if some of the handling feel is also due to the small weight distribution change. But...
06-03-19, 09:54 PM
Replies: 10
Views: 682
Posted By Andrew R Stewart

Most all coaster brakes have the brand/model...

Most all coaster brakes have the brand/model stamped on the reaction arm. Lacking such suggests a very cheap brand, one that doesn't believe in spreading their name. A cog is a sprocket, could be a...
06-03-19, 06:38 PM
Replies: 1
Views: 299
Posted By Andrew R Stewart

Have you tried to actually fix it yet? The first...

Have you tried to actually fix it yet? The first two areas I'd look at are the bar/stem clamp and the stem/steerer insertion. Andy
06-03-19, 06:30 PM
Replies: 16
Views: 771
Posted By Andrew R Stewart

There are a n umber of reasons why one pad wears...

There are a n umber of reasons why one pad wears more the the other. Most do mean that the rider wasn't as on top of the bike's maintenance though... Andy
06-03-19, 12:22 PM
Replies: 10
Views: 682
Posted By Andrew R Stewart

Brand and model of hub? Hub has a brake? Disk,...

Brand and model of hub? Hub has a brake? Disk, drum, coaster, roller type? One cog or many? Axle type (solid/nutted or QR/hollow)? Do you have the proper sized cone wrenches? If not do you know the...
06-03-19, 06:22 AM
Replies: 10
Views: 705
Posted By Andrew R Stewart

Nothing wrong with what I see, just common narrow...

Nothing wrong with what I see, just common narrow cog spacing chain pin wear. BTW the teeth look to be pretty well worn too. I suspect this cog set has few miles left in it. Andy
06-03-19, 06:20 AM
Replies: 10
Views: 657
Posted By Andrew R Stewart

It would be a shame if someone had ground down...

It would be a shame if someone had ground down the bolt's head after installing it. One could try a screw remover (Easy Out) if conventional methods fail. Andy
06-02-19, 09:26 PM
Replies: 29
Views: 1,932
Posted By Andrew R Stewart

"and so was the uptight neurotic who first...

"and so was the uptight neurotic who first mentioned it" Perhaps that guy wasn't quite as uptight as you spout out about. It's these assumptions of personal conduct that drive us apart. Unless you...
06-02-19, 09:20 PM
Replies: 7
Views: 511
Posted By Andrew R Stewart

If high end steel frames are used as examples and...

If high end steel frames are used as examples and one is non coupled OEM but retrofitted later and the other frame is designed from the beginning for couplers what will the difference be? Of course...
06-02-19, 07:51 PM
Replies: 4
Views: 363
Posted By Andrew R Stewart

This begs the follow up question of "what's too...

This begs the follow up question of "what's too long a spoke?" If you were to ask Raleigh back in the late 1970s the answer might not even include "when the spoke end pokes the tube and causes a...
06-02-19, 05:58 PM
Replies: 10
Views: 682
Posted By Andrew R Stewart

Not without better description, maybe with photos...

Not without better description, maybe with photos and/or terms we understand. Initially I wondered about the cones/lock nuts not properly counter tightened to trap the bearing adjustment. But I...
06-02-19, 01:01 PM
Replies: 9
Views: 535
Posted By Andrew R Stewart

In explaining tire labeled sized I often...

In explaining tire labeled sized I often reference clothing size issues. A labeled size is only comparable to that production run, model and rim mounted onto. Labels are for marketing, not specific...
06-02-19, 09:19 AM
Replies: 8
Views: 518
Posted By Andrew R Stewart

In the shops I've been in we placed the reaction...

In the shops I've been in we placed the reaction (anti rotation) washers either inside of outside the drop outs to match the drop out spread. The vast majority of production bikers that used SA AWs...
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