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Search: Posts Made By: Andrew R Stewart
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Forum: Framebuilders
10-26-20, 03:01 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

Last photo for a while. Andy ...

Last photo for a while. Andy

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/pa260101_1f76065a5c5a81c08b47da47b1b74662c50b1f17.jpg
10-26-20, 02:31 PM
Replies: 15
Views: 169
Posted By Andrew R Stewart

IIRC this version of shifters have the center...

IIRC this version of shifters have the center bolt threading into a Tee nut. The flange of that nut can slip out of it's fitting and thus spin, like a stripped bolt might. The bugger is that these...
10-25-20, 06:40 PM
Replies: 13
Views: 238
Posted By Andrew R Stewart

No added removal needs but there is an additional...

No added removal needs but there is an additional install need. Two prong tools really want an axle in place to help secure the tool VERY TIGHTLY against the freewheel during the initial effort to...
10-24-20, 09:36 PM
Replies: 15
Views: 344
Posted By Andrew R Stewart

Well one could swap the rims to the other hubs...

Well one could swap the rims to the other hubs and try test fitting again...

I have had a low spoke tension front wheel cause shudder when braking before. Low enough tension to allow the rim to...
10-24-20, 09:31 PM
Replies: 9
Views: 223
Posted By Andrew R Stewart

We see a lot of home "made/serviced" single/fixed...

We see a lot of home "made/serviced" single/fixed bikes with way too tight a chain. Given the lack of perfectly round cogs and rings this leads to massive forces on the ring hardware (and BB or FW...
Forum: Framebuilders
10-24-20, 08:45 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

I joined the top edges of the blades together (a...

I joined the top edges of the blades together (a butt braze) a few days ago, then cut the steerer miter today. I have more details on my Flicker album...
10-24-20, 10:18 AM
Replies: 14
Views: 401
Posted By Andrew R Stewart

I find it rather unhelpful when a poster states...

I find it rather unhelpful when a poster states the bike brand/model with either no link to specs of no listing of specs, especially in this OP's case when he has been asked directly about a spec....
10-22-20, 09:02 PM
Replies: 11
Views: 340
Posted By Andrew R Stewart

JA Stein Tools makes a axle preload device that...

JA Stein Tools makes a axle preload device that can be held in a bench vise for easy access to one side cone/lock nut. Then one can adjust the bearings with the axle compressed (or bowed...) from the...
10-21-20, 09:14 PM
Replies: 21
Views: 469
Posted By Andrew R Stewart

The ability to adjust cable "tension" (actually...

The ability to adjust cable "tension" (actually the casing length...) is essential to fine tune the shifter/rear der relationship. Having a back up or second device to do this isn't wrong. Those who...
Forum: Framebuilders
10-20-20, 07:15 PM
Replies: 8
Views: 341
Posted By Andrew R Stewart

I have two comments- First is that I don't think...

I have two comments- First is that I don't think this damage is of any great concern, as long as that child seat is removed. (As in the loading that wasn't designed into the frame is stopped). Sure a...
Forum: Framebuilders
10-18-20, 09:33 AM
Replies: 4
Views: 245
Posted By Andrew R Stewart

A few comments- Steep seat tubes and Brooks...

A few comments- Steep seat tubes and Brooks saddles don't play nice sometimes as the leather Brooks saddles tend to sit somewhat further forward then most other saddles do. Additionally a hips...
Forum: Framebuilders
10-17-20, 06:57 PM
Replies: 34
Views: 1,487
Posted By Andrew R Stewart

So this is drifting to what's a trade. Doing the...

So this is drifting to what's a trade. Doing the same process all day? If we can call framebuilding a trade (beware arguments that start with a qualifier...) and if we then ask a builder how much...
Forum: Framebuilders
10-17-20, 06:46 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

A Long Time Coming

My first MtB frame and fork begins in earnest, after about 45 years of thinking about building one. Dual rigid, 650B by 2.5/2,6 wheels. This build will go slowly as there's a lot I still have yet to...
10-15-20, 07:25 PM
Replies: 3
Views: 227
Posted By Andrew R Stewart

1- RivNut type threaded inserts are a really poor...

1- RivNut type threaded inserts are a really poor way to create a mounting boss in a thin wall tube, except for the other ways:) As the insert is compressed during install it's threads can become...
Forum: Framebuilders
10-13-20, 07:05 PM
Replies: 31
Views: 2,334
Posted By Andrew R Stewart

Break away bike? As in a folding/travel/coupled...

Break away bike? As in a folding/travel/coupled one? If so i would avoid thin wall tubing. Traveling can be hard on a bike.

As to the difference in tubing between the two riders- Of course the...
10-04-20, 10:59 PM
Replies: 13
Views: 315
Posted By Andrew R Stewart

Rims are a wear item. The current market view of...

Rims are a wear item. The current market view of the wheel as somehow a magical component that won't be subject to age, fatigue or wear (because modern wheels are so costly) is so miss led. The wear...
10-03-20, 08:29 PM
Replies: 12
Views: 389
Posted By Andrew R Stewart

Is the stuck bolt alone, without a der around it?...

Is the stuck bolt alone, without a der around it? It is Steel? A photo would add more details. Andy
10-02-20, 04:22 PM
Replies: 4
Views: 231
Posted By Andrew R Stewart

The time tested option is to install loose balls,...

The time tested option is to install loose balls, w/o the retainer. Generally a ball or two more will fit. Option 2 is to remove the old balls from the retainer ring and snap in new ones.

I agree...
09-30-20, 09:55 PM
Replies: 9
Views: 431
Posted By Andrew R Stewart

Sure in a no cost matters world. But that's not...

Sure in a no cost matters world. But that's not what most of the production sector of our passion can get away with. If you can load the bb cup with ball bearings and lube for less then, and also...
09-29-20, 09:09 PM
Replies: 42
Views: 1,318
Posted By Andrew R Stewart

While I agree that this frame is now "worthless",...

While I agree that this frame is now "worthless", having come to it's end of life, being such means that any repair attempt has no negative cost but that of the actual repair. So I would replace the...
09-28-20, 08:29 PM
Replies: 13
Views: 461
Posted By Andrew R Stewart

From a repair view this would be harder then many...

From a repair view this would be harder then many dents in a seat tube. First is that the dent in below the upper bottle boss. So any internal device needs to get past this boss. next is that the ST...
09-28-20, 08:23 PM
Replies: 56
Views: 1,019
Posted By Andrew R Stewart

This caliper, like many we see, would benefit...

This caliper, like many we see, would benefit from a take apart and reassembly with cleaning and lubing. The arm pivots can be adjusted (usually for the better) for slop/friction balance. This is...
09-28-20, 07:08 AM
Replies: 18
Views: 328
Posted By Andrew R Stewart

Shimano had their own shaped lever bosses as well...

Shimano had their own shaped lever bosses as well as the "common type" that Campy and most other levers use. Can you post/link an image of yours? Andy
09-27-20, 07:58 PM
Replies: 17
Views: 497
Posted By Andrew R Stewart

I'll add that with an older bike the chance it...

I'll add that with an older bike the chance it has horizontal rear drop out slots is likely. So the current crop of QE skewers with an exposed cam lever riding on a curved bit of plastic might not be...
Forum: For Sale
09-24-20, 08:15 PM
Replies: 9
Views: 924
Posted By Andrew R Stewart

Merckx Frame FS

Eddy Merckx Corsa Extra 61cm Bike For Sale $300

I am posting this for a friend. He initially asked me for an inspection and “touching up” of his Merckx frame and fork, it had a headset with it. He...
09-24-20, 06:27 PM
Replies: 6
Views: 250
Posted By Andrew R Stewart

It looks like two shots "blended" together. So...

It looks like two shots "blended" together. So both lens and viewing angle changes. Andy
09-24-20, 07:26 AM
Replies: 6
Views: 250
Posted By Andrew R Stewart

This amount of differing crank/stay clearance is...

This amount of differing crank/stay clearance is pretty common back in the day. Very few riders will notice this when pedaling, very few. So how's the chainline and chainring/stay clearance? Those...
Forum: Framebuilders
09-20-20, 09:39 PM
Replies: 34
Views: 1,487
Posted By Andrew R Stewart

Like most activities practice make a huge...

Like most activities practice make a huge difference. For some a lot more practice. I have a cousin who is a very good basest. Yet he still does scales work. I have spent many hours with a brazing...
09-19-20, 07:35 PM
Replies: 1
Views: 179
Posted By Andrew R Stewart

Good job. Andy

Good job. Andy
09-19-20, 07:34 PM
Replies: 3
Views: 221
Posted By Andrew R Stewart

Throw that thing my way. It still has useful...

Throw that thing my way. It still has useful parts for the next screw up. Andy
09-18-20, 07:05 AM
Replies: 8
Views: 291
Posted By Andrew R Stewart

I seriously doubt the shifter is a fixed to bars...

I seriously doubt the shifter is a fixed to bars assembly. Perhaps a set screw in a less then obvious location? Another grip sizing option is if the grips are slide ons (not clamped ons) is to simple...
Forum: Framebuilders
09-17-20, 06:54 AM
Replies: 23
Views: 1,463
Posted By Andrew R Stewart

This is all part of the learning process. how to...

This is all part of the learning process. how to set up the construct to end up with the dimensions you want given your process. As mentioned it's common to set drop out widths a few mms wider to...
09-16-20, 08:17 PM
Replies: 1
Views: 190
Posted By Andrew R Stewart

I'll add Francis B (FB in NYC) to the list of...

I'll add Francis B (FB in NYC) to the list of mentors needing to be mentioned. We all stand on those who came before. Andy
09-16-20, 08:04 PM
Replies: 40
Views: 1,238
Posted By Andrew R Stewart

I'll try one last time to be clear. I never said...

I'll try one last time to be clear. I never said i try bending a der before or after doing a hanger alignment. Where you got that impression...

But I can see obvious cage/cog planar misalignment....
09-16-20, 07:19 AM
Replies: 5
Views: 207
Posted By Andrew R Stewart

Generally the threaded length of spokes is about...

Generally the threaded length of spokes is about 10mm. That's what DT supplies and what the Phil machine rolls. From your description is seems that the OEM spokes are a couple mms too short. Better...
09-15-20, 07:09 AM
Replies: 40
Views: 1,238
Posted By Andrew R Stewart

I don't know why one would pay attention to what...

I don't know why one would pay attention to what others say the frame is when you already know.

The DAG tool is stupid and a big lever. Do take care when using it. BTW I always have confirmed the...
09-14-20, 07:05 AM
Replies: 14
Views: 359
Posted By Andrew R Stewart

What shifter are you using on the LH/ft side?...

What shifter are you using on the LH/ft side? Also the 8 speed ft der has a stroke and cage designed for an 8 spd chain. The narrower 10 spd chain won't play quite as nice within the wider cage.
09-13-20, 08:24 PM
Replies: 14
Views: 319
Posted By Andrew R Stewart

I've used various knife like objects to hammer...

I've used various knife like objects to hammer under the race and lift it off it's seat a tad. Working around the race seat. Like a stuck post, once it moves the battle is halfway won. Andy
Forum: Framebuilders
09-12-20, 07:41 PM
Replies: 4
Views: 504
Posted By Andrew R Stewart

The angles that lugs are offered in are a result...

The angles that lugs are offered in are a result of cost VS sales, nothing more or less. Lug manufactures look at the bell curve of angles (and tube diameters) for each joint and then their projected...
09-11-20, 07:01 PM
Replies: 14
Views: 411
Posted By Andrew R Stewart

Back in the day having crank arm ends that were...

Back in the day having crank arm ends that were of different distances from the stays was the norm (although usually with the DS being further away from the stay). I never heard discussion of fit or...
09-10-20, 09:32 PM
Replies: 30
Views: 858
Posted By Andrew R Stewart

Stainless steel is almost always a base material,...

Stainless steel is almost always a base material, not a surface treatment. Chrome is the most common surface treatment for loose balls. Chrome will allow water to gat at the base steel. thus rust.
...
09-10-20, 07:12 AM
Replies: 42
Views: 1,259
Posted By Andrew R Stewart

Maybe if you drank the Shimano Kool Aid after the...

Maybe if you drank the Shimano Kool Aid after the early 1990s when their 30T ring and 27T cog set were considered the WAY and came on so many road bikes. But some of us older guys were running 24 or...
Forum: Framebuilders
09-09-20, 08:07 PM
Replies: 37
Views: 1,229
Posted By Andrew R Stewart

So here are two ideas for a tool to crimp the...

So here are two ideas for a tool to crimp the stays with. For built frames i find the second one is better as it has more fit clearance WRT the other stay. I could be tempted to loan one of these......
Forum: Framebuilders
09-08-20, 08:27 PM
Replies: 37
Views: 1,229
Posted By Andrew R Stewart

As Clint said, "a man needs to know his...

As Clint said, "a man needs to know his limitations". Andy
09-08-20, 08:19 PM
Replies: 7
Views: 359
Posted By Andrew R Stewart

IIRC this "Bassworm" was used to help the rear...

IIRC this "Bassworm" was used to help the rear der parallelogram return spring pull the cable. The "rubber" tube acted as an additional spring on the cable. This was back when Shimano was reducing...
09-07-20, 01:53 PM
Replies: 12
Views: 426
Posted By Andrew R Stewart

Chain ring wear won't add to chain wear much...

Chain ring wear won't add to chain wear much (assuming alloy rings). So replacement is usually driven by chain skip, chain drop and chain suck issues. But rough chain/ring teeth engagement can...
Forum: Framebuilders
09-05-20, 08:24 PM
Replies: 4
Views: 408
Posted By Andrew R Stewart

Those who ask this type of question are rarely...

Those who ask this type of question are rarely ready to do the work efficiently. Andy
09-03-20, 08:40 PM
Replies: 9
Views: 315
Posted By Andrew R Stewart

The bike shop's suggestion of BB spec doesn't...

The bike shop's suggestion of BB spec doesn't seem right to my experience. GT's typically had 68 or 73mm wide BB shells (not 70mm) and the threading was always 1.37"x24tpi, common ISO/English/JIS....
Forum: Framebuilders
09-02-20, 07:27 AM
Replies: 9
Views: 510
Posted By Andrew R Stewart

Stainless Steels generally don't accept...

Stainless Steels generally don't accept bronze/brass fillers. Silver is the usual filler. I much prefer bronze/brass (Gasflux CO4) for most of my fillet/non sleeve brazing and have no issue with a...
09-01-20, 08:21 PM
Replies: 11
Views: 418
Posted By Andrew R Stewart

If you are doing paid work then a professional...

If you are doing paid work then a professional bearing setting tool can pay for it's self in good time. If you just like nice tools then why ask here, get it. Do realize that with any tool there are...
Showing results 1 to 50 of 463
 


 
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