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Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
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07-11-20, 06:50 PM
Replies: 2
Views: 86
Posted By Andrew R Stewart

It sounds like cable friction. A single notch of...

It sounds like cable friction. A single notch of an adjuster (assuming an M5 thread and 4 positions per rotation) is about .008" of cable length change. Not too much and well within the flex of a...
07-11-20, 06:04 PM
Replies: 4
Views: 105
Posted By Andrew R Stewart

No, not that I know of. I would suggest you go...

No, not that I know of. I would suggest you go current Shimano compatible cog set, der and shifter. Once the SunTour freewheel wears out you'll be revisiting this lack of compatibility. Andy
07-11-20, 06:00 PM
Replies: 5
Views: 108
Posted By Andrew R Stewart

Seat post size is a resultant, best fit is not...

Seat post size is a resultant, best fit is not determined by measurement alone. Tubes get distorted during production and the neck of the hour glass is sometimes further in than a caliper can reach....
Forum: Framebuilders
07-11-20, 08:30 AM
Replies: 4
Views: 133
Posted By Andrew R Stewart

I don't know the frame's maker but I do see...

I don't know the frame's maker but I do see really dried out tires that should be replaced. Andy
07-11-20, 08:28 AM
Replies: 5
Views: 121
Posted By Andrew R Stewart

Do you know the brand and model of the suspension...

Do you know the brand and model of the suspension fork? At first thought it might have it's spring preload (if it has an adjustable design) set too firm. Or the internals are binding up and only move...
07-10-20, 09:04 PM
Replies: 6
Views: 214
Posted By Andrew R Stewart

Have you measured the real chain line amounts of...

Have you measured the real chain line amounts of both the cassette and the chain ring? Andy
Forum: Framebuilders
07-10-20, 04:05 PM
Replies: 4
Views: 193
Posted By Andrew R Stewart

Bilenky is in Phily. There's a few others there...

Bilenky is in Phily. There's a few others there too. Andy
Forum: Framebuilders
07-09-20, 06:53 PM
Replies: 10
Views: 519
Posted By Andrew R Stewart

Do I see chain suck evidence? The other aspect is...

Do I see chain suck evidence? The other aspect is the gap between the broken faces. The RH stay is now pulled back WRT the drop outs. If this was a result of an after failure force then OK. But if...
Forum: Framebuilders
07-09-20, 06:47 PM
Replies: 3
Views: 139
Posted By Andrew R Stewart

Agreed, especially if the bending is near the...

Agreed, especially if the bending is near the tube ends. Depending on how the tube is being held during the bending some deformation (other then the intended bend:)) can happen so a pre mitered end...
Forum: Framebuilders
07-09-20, 07:16 AM
Replies: 20
Views: 514
Posted By Andrew R Stewart

Materials are the smallest part of the cost of...

Materials are the smallest part of the cost of making a frame. Time and tooling is generally the greater portion. Working with harder heat treated tubing is a lot more time consuming, unless you have...
Forum: Framebuilders
07-09-20, 07:11 AM
Replies: 8
Views: 230
Posted By Andrew R Stewart

Alex Meade makes some nice stuff. Andy

Alex Meade makes some nice stuff. Andy
07-09-20, 07:10 AM
Replies: 39
Views: 875
Posted By Andrew R Stewart

I'll add that Torx allows a smaller bolt, or a...

I'll add that Torx allows a smaller bolt, or a smaller wrench fitting which then allows a smaller bolt, to do the job. Also a softer one, as in Al instead of steel. Andy
07-08-20, 10:57 PM
Replies: 6
Views: 196
Posted By Andrew R Stewart

Sure sort of, But this check is based on a non...

Sure sort of, But this check is based on a non reality. As said the real world of a ring is as it's mounted on the crankset. So it doesn't really mater whether the ring is flat when off the crank...
Forum: Framebuilders
07-08-20, 07:01 PM
Replies: 20
Views: 514
Posted By Andrew R Stewart

This seems like the classic mistake of guys...

This seems like the classic mistake of guys designing a women's bike and using their male driven competitiveness as the guide points. I've build a number (or at least for a hobby guy a bunch) of...
07-08-20, 07:56 AM
Replies: 7
Views: 213
Posted By Andrew R Stewart

The caliper back "plate" is threaded for each...

The caliper back "plate" is threaded for each pivot. So the nuts are lock nuts, meant to trap the pivot bolt in place. I forget (having serviced many dozens of various dual pivot calipers I just look...
Forum: Framebuilders
07-07-20, 08:44 PM
Replies: 54
Views: 9,374
Posted By Andrew R Stewart

There are people all over that can offer advise....

There are people all over that can offer advise. But having done my own many years ago (LBS, not framebuilding) I found the local community's resources to be most valuable. Being able to pick up the...
Forum: Framebuilders
07-07-20, 08:21 PM
Replies: 9
Views: 342
Posted By Andrew R Stewart

Tom- So did you get a ride on it yet? Andy

Tom- So did you get a ride on it yet? Andy
07-07-20, 08:19 PM
Replies: 3
Views: 239
Posted By Andrew R Stewart

One issue recently in a thread here is the chain...

One issue recently in a thread here is the chain stay clearance with a double's inner ring. Do your homework and confirm any new purchase can be returned if you do the install. Andy
07-07-20, 08:16 PM
Replies: 6
Views: 232
Posted By Andrew R Stewart

I'll add that the 999 calipers were really...

I'll add that the 999 calipers were really designed around rims with an outside width of 25mm or so. So when used with narrower rims the caliper arm swing and the resulting straddle cable angle WRT...
07-07-20, 07:54 PM
Replies: 72
Views: 1,704
Posted By Andrew R Stewart

Join the club of customers who are finding out...

Join the club of customers who are finding out that in this new world the sourcing of data is not a click and paste or a printed page in a bag dangling on the bars. This topic has been visited here...
07-07-20, 07:43 PM
Replies: 7
Views: 213
Posted By Andrew R Stewart

This caliper pivot uses simple bushings and thus...

This caliper pivot uses simple bushings and thus has a narrow window of best adjustment. A complete take apart, cleaning of surfaces and greasing can do wonders. BTW take care if the other arm's...
07-06-20, 08:48 PM
Replies: 25
Views: 633
Posted By Andrew R Stewart

I wondered if plastic rim strips get pushed into...

I wondered if plastic rim strips get pushed into the rim's spoke holes under high pressures but the strip isn't expanding, it's shifting. So the edges are pulled from the sides of the rim and thus...
07-06-20, 07:02 AM
Replies: 10
Views: 321
Posted By Andrew R Stewart

Most likely the tire's bead wasn't seated fully....

Most likely the tire's bead wasn't seated fully. It took a few minutes to work it's way up and off the rim. I also suspect that the sealant acted like a lube between the bead and rim.

This had...
Forum: Framebuilders
07-05-20, 09:22 PM
Replies: 7
Views: 248
Posted By Andrew R Stewart

MIM- Sorry to say this but you're all over the...

MIM- Sorry to say this but you're all over the board in your planning and goals. You mention weight yet you show us more wheels and thus the needed structure to locate and control said wheels. You...
07-05-20, 09:16 PM
Replies: 28
Views: 631
Posted By Andrew R Stewart

The aspect we are left with is the rider. Or I am...

The aspect we are left with is the rider. Or I am wrong... The problem with this medium is that we have to either trust the OP or not. Does the OP really know how to check this stuff? Did they...
07-05-20, 09:07 PM
Replies: 18
Views: 332
Posted By Andrew R Stewart

While I don't disagree with the root of your...

While I don't disagree with the root of your point I will point out that the supply chain production is scaled to past years of need. With the massive increase of demand and the lack of "extra"...
07-05-20, 01:16 PM
Replies: 28
Views: 631
Posted By Andrew R Stewart

If the OP had included a location and if it was...

If the OP had included a location and if it was close to me I would have offered help with frame alignment. Others here are skilled enough to do this stuff too. But as we don't know where the OP...
07-05-20, 01:13 PM
Replies: 14
Views: 255
Posted By Andrew R Stewart

Can you post to a photo sharing site then type...

Can you post to a photo sharing site then type out the link here using "dot" or "at" to avoid the auto censor? Andy
07-05-20, 01:11 PM
Replies: 7
Views: 194
Posted By Andrew R Stewart

I suggest using chemical stripper for as much of...

I suggest using chemical stripper for as much of the paint removal as you can. The brand I am using currently is Jasco. I find roughening up the shinny surfaces first with a quick sanding helps the...
07-05-20, 12:26 PM
Replies: 28
Views: 631
Posted By Andrew R Stewart

The first think I thought of is the fork blades...

The first think I thought of is the fork blades are splayed off to one side. Number two is the head and seat tubes don't share the same plane (as in main frame twist). If one were to view the bike...
07-05-20, 08:35 AM
Replies: 3
Views: 176
Posted By Andrew R Stewart

A photo or link top a image would be of help of...

A photo or link top a image would be of help of your stem. Andy
07-05-20, 08:32 AM
Replies: 13
Views: 587
Posted By Andrew R Stewart

IIRC the 520 is designed for a triple crankset...

IIRC the 520 is designed for a triple crankset with a mid 30's middle ring. (Of course there have been some spec drift over the years). S assuming this is correct and that both the spec crankser...
Forum: Framebuilders
07-04-20, 07:26 PM
Replies: 4
Views: 167
Posted By Andrew R Stewart

First thing I think of is lack of best back...

First thing I think of is lack of best back purging. This would lead to a contaminated weld. Then as Eric mentioned the crack follows the path of least strength or maybe stiffness. Andy
Forum: Framebuilders
07-04-20, 06:29 PM
Replies: 6
Views: 181
Posted By Andrew R Stewart

My various catalogs list steerers with 2.3 to...

My various catalogs list steerers with 2.3 to 2.9mm walls at the bottom and 1.6 at the top, including threaded ones, as being the most typical walls. So I wonder where the 2 and 3mm "straight...
Forum: Framebuilders
07-04-20, 06:07 PM
Replies: 15
Views: 288
Posted By Andrew R Stewart

I learned that the whole stay ID only needed...

I learned that the whole stay ID only needed filling right at it's end. Enough to allow for finishing and not much more. Then the drop out tabs that were inside the stay would get connected to the...
Forum: Framebuilders
07-04-20, 05:12 PM
Replies: 6
Views: 181
Posted By Andrew R Stewart

So neither steerer is butted? That would be...

So neither steerer is butted? That would be rather odd. Andy
Forum: Framebuilders
07-04-20, 05:10 PM
Replies: 59
Views: 1,691
Posted By Andrew R Stewart

Tandems use a chain on the left side all the...

Tandems use a chain on the left side all the time. Cranks can be rethreaded with various inserts to achieve this. (Or just thread lock a good pair of pedals like I've done before). Track bike have...
Forum: Framebuilders
07-04-20, 05:04 PM
Replies: 5
Views: 182
Posted By Andrew R Stewart

Good timing as the frame I am waiting time to...

Good timing as the frame I am waiting time to finish will have an IGH. No horizontal slotted drops, no BB eccentric. I will use a spring loaded chain tensioner. Or is that wrong:)? Why? because I...
07-04-20, 04:55 PM
Replies: 12
Views: 274
Posted By Andrew R Stewart

Re front set up- If you use a "micro index" ...

Re front set up- If you use a "micro index" GripShift unit it will work with pretty much any ft der and crankset as it isn't indexed. Much like Campy Ergo front shifters.

Grip Shift makes...
Forum: Framebuilders
07-04-20, 07:53 AM
Replies: 15
Views: 288
Posted By Andrew R Stewart

I think this photo shows how overengineered...

I think this photo shows how overengineered "traditional" steel frame building is. In this use of that term I am meaning how well designed to handle less then perfect fabrication. I today's world of...
07-03-20, 07:08 PM
Replies: 25
Views: 633
Posted By Andrew R Stewart

First is that the law of averages tend to catch...

First is that the law of averages tend to catch up to us all. I've had seasons with one flat and others with 6 or 7, seems to average about 1 per 1000 miles over time.

"with really high quality...
07-03-20, 06:56 PM
Replies: 3
Views: 159
Posted By Andrew R Stewart

I assume tapered square BB and cranks. Retaining...

I assume tapered square BB and cranks. Retaining bolts torque is generally stated at around 25-30 foot pounds.

Grinding can be from just too much preload on the bearings even if in good condition...
07-03-20, 06:36 PM
Replies: 2
Views: 134
Posted By Andrew R Stewart

With no barrel adjuster in the front cable run...

With no barrel adjuster in the front cable run for these levers the options for initial cable tension is pretty much a hit and miss. Since these were a flash in the pan just before indexing took over...
07-03-20, 06:45 AM
Replies: 18
Views: 332
Posted By Andrew R Stewart

Given the current shortage of many basic bike...

Given the current shortage of many basic bike parts, due to the world wide disruption of manufacturing and the massive increase of demand from the Covid-19 pandemic, it's no surprise that rim strips...
Forum: Framebuilders
07-03-20, 06:40 AM
Replies: 59
Views: 1,691
Posted By Andrew R Stewart

Weld, braze, glue depending on the material,...

Weld, braze, glue depending on the material, joint design and your skill set. Andy
07-02-20, 09:36 PM
Replies: 12
Views: 274
Posted By Andrew R Stewart

This is news that thousands of riders will find...

This is news that thousands of riders will find hard to believe as they have lived with poor indexing with Shimano freewheels replacing their worn out SunTours. Sorry but shop experience proves this...
Forum: Framebuilders
07-02-20, 08:40 PM
Replies: 7
Views: 267
Posted By Andrew R Stewart

A fine file held flush against the face does much...

A fine file held flush against the face does much the same. But I will file face's corner with the shell's OD first to prevent a chip off of paint from traveling from the face and onto the shell's...
07-02-20, 08:35 PM
Replies: 12
Views: 274
Posted By Andrew R Stewart

I think your claim of 5mm c-c cog spacing for...

I think your claim of 5mm c-c cog spacing for SunTour cog sets is not correct. Perhaps for the more current ST stuff that does mimic Shimano's lead. But the ST stuff from the 1990s had cog spacing...
07-02-20, 07:04 AM
Replies: 12
Views: 448
Posted By Andrew R Stewart

I doubt this. The hub description sure seems to...

I doubt this. The hub description sure seems to be a Shimano 105 or 600. But we'll all find out soon. At the OP's weight and then adding a touring load I would not run a freewheel hub on a tour if I...
07-02-20, 07:01 AM
Replies: 13
Views: 269
Posted By Andrew R Stewart

Do you have a LBS open near you? If you're doing...

Do you have a LBS open near you? If you're doing a one time freewheel removal and if the freewheel is the 333 version (whose tool is no longer available other then used , maybe on EBay) Then I...
Showing results 1 to 50 of 1000
 


 
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