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Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
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06-29-22, 02:31 PM
Replies: 9
Views: 105
Posted By Andrew R Stewart

A couple of MMs per side. Ideally the driveside...

A couple of MMs per side. Ideally the driveside washer is made of steel to better grip the dropout face. I would also strongly suggest a proper internal cam QR skewer be used. Andy
06-29-22, 02:29 PM
Replies: 9
Views: 105
Posted By Andrew R Stewart

A couple of MMs of spread or compression is...

A couple of MMs of spread or compression is generally no big deal. Some frames have been built to a 132.5 (or 127.5 in a previous generation) to accommodate the two width standards. Resetting the...
06-29-22, 10:31 AM
Replies: 11
Views: 618
Posted By Andrew R Stewart

I will mention the test for this type of issue I...

I will mention the test for this type of issue I used to employ back when skinny Al frames were thought to be the shizz. (Vitus and Alans, including all those labeled with other brands but were made...
06-29-22, 10:18 AM
Replies: 9
Views: 105
Posted By Andrew R Stewart

When Mavic was still making these wheels I don't...

When Mavic was still making these wheels I don't remember there being an option for doing this. I suppose if one was handy with machine shop stuff one could make new axle ends that create the new...
06-29-22, 10:12 AM
Replies: 2
Views: 78
Posted By Andrew R Stewart

My suggestion is to let someone with this kind of...

My suggestion is to let someone with this kind of experience take a look. These people are often found in a LBS.

Chasing noises can be a time consuming effort if you can't narrow down the type of...
Forum: Framebuilders
06-29-22, 08:13 AM
Replies: 3
Views: 88
Posted By Andrew R Stewart

I'll add to Eric's good points that many mixtes...

I'll add to Eric's good points that many mixtes have a really long "top tube" for their seat tube size. For reasons like not having to do much change to a jig used for diamond frames to wanting some...
Forum: Framebuilders
06-29-22, 08:04 AM
Replies: 12
Views: 372
Posted By Andrew R Stewart

For the same reasons why I don't build frames for...

For the same reasons why I don't build frames for a living. I like taking my time and trying different stuff. Having said that I doubt I would do what I just did again.

Like some here I, too,...
06-28-22, 08:32 PM
Replies: 11
Views: 201
Posted By Andrew R Stewart

I have for years wondered what the bike...

I have for years wondered what the bike dimensional situation would be these days had WWII gone the other way. Andy
Forum: Framebuilders
06-28-22, 08:25 PM
Replies: 12
Views: 372
Posted By Andrew R Stewart

This time last night I thought I would do a...

This time last night I thought I would do a longish ride today. But early this morning I got a call from a friend who was in the hospital this weekend and asked for a ride home as she was being...
06-28-22, 11:39 AM
Replies: 30
Views: 394
Posted By Andrew R Stewart

Dan- The portion of the der that the cable is...

Dan- The portion of the der that the cable is clamped to (the "arm") is engineered to be what it takes to move the pulley cage a certain amount per the grip's click. So, changing its length will...
Forum: Framebuilders
06-28-22, 08:04 AM
Replies: 4
Views: 139
Posted By Andrew R Stewart

Nice photo set. I've only done a few handfuls of...

Nice photo set. I've only done a few handfuls of stems (or of seat post things to support a HB bag off the bike's seat post) and have sort of a general design now I follow. Two bar clamp bolts and...
06-27-22, 07:09 AM
Replies: 11
Views: 474
Posted By Andrew R Stewart

Bicycles use a mix of different dimensional...

Bicycles use a mix of different dimensional standards on the same parts, like axles that are 10x26 (10mm diameter and 26 threads per inch). Most bike parts use fairly fine pitch threads for their...
06-26-22, 06:59 PM
Replies: 8
Views: 213
Posted By Andrew R Stewart

I agree with the confusing use of terms like...

I agree with the confusing use of terms like "pull width". I have never read/heard that used to describe either pad movement with lever pull or cable travel per pull.

I believe that the New SLR...
06-26-22, 03:14 PM
Replies: 9
Views: 307
Posted By Andrew R Stewart

Not by any instruction I know of. The nut needs a...

Not by any instruction I know of. The nut needs a tad of clearance on the stem. Slightly more then the steerer has.

I just measured 4 Eng top nuts at between 22.31 to 22.55mm and the 3 steerers I...
06-26-22, 01:42 PM
Replies: 9
Views: 307
Posted By Andrew R Stewart

IIRC at one time Cinelli made both Eng/Rtl...

IIRC at one time Cinelli made both Eng/Rtl diameter and French diameter stems. A French one would measure out as about 21.8 to 21.9mm. Andy
06-25-22, 01:07 PM
Replies: 2
Views: 85
Posted By Andrew R Stewart

Canti bosses that are a 1 piece machined...

Canti bosses that are a 1 piece machined construct usually have the threaded post hole all the way through. The theory being ease of making and allowing a longer bolt to best support the canti post...
06-25-22, 09:04 AM
Replies: 7
Views: 185
Posted By Andrew R Stewart

Rear der max cog capacity is also controlled by...

Rear der max cog capacity is also controlled by the der hanger length. Back in the day when horizontal slots were the standard one could change this dimension by moving the wheel forward or back in...
Forum: Framebuilders
06-24-22, 07:19 PM
Replies: 12
Views: 372
Posted By Andrew R Stewart

531 Build Inspired by Raleigh Pros

This is the second frame I'm building with no specific rider in mind. I have the tube set (from years ago) and the and a fondness for the early/mid 1970s Raleigh Pros. Fastback stays, full sloping...
06-22-22, 08:51 PM
Replies: 4
Views: 170
Posted By Andrew R Stewart

Will you be using the current crank? Which ring...

Will you be using the current crank? Which ring position will you use? What ring size will you use? how much splay out does your chain stays have?

The common way to figure this out is make some...
06-22-22, 06:59 PM
Replies: 11
Views: 307
Posted By Andrew R Stewart

The first is not a freewheel but an early version...

The first is not a freewheel but an early version of a freehub. The smallest cog threads on doing the job of current cassette lock rings. Still holding the other cogs from turning while the second...
06-22-22, 06:20 PM
Replies: 6
Views: 225
Posted By Andrew R Stewart

I didn't say that there's a current ft der...

I didn't say that there's a current ft der problem, just that with changing the rings C-C or chain line there could be. That there is no ft der or rub after shift suggests that the rings have the...
06-22-22, 06:11 PM
Replies: 11
Views: 269
Posted By Andrew R Stewart

Sorry, thought you were wanting to replace the...

Sorry, thought you were wanting to replace the bearings. Andy
06-22-22, 03:11 PM
Replies: 11
Views: 269
Posted By Andrew R Stewart

Bearings (as in cartridge type, not loose ball)...

Bearings (as in cartridge type, not loose ball) typically have their size or part number etched on them. Though sometimes this ID is weathered away. Measuring the bearing's ID then OD then width is a...
06-22-22, 10:42 AM
Replies: 6
Views: 225
Posted By Andrew R Stewart

Most likely the new rings have lift pins that...

Most likely the new rings have lift pins that stick out a tad more than the cheap steel ring had.

Rings can have a dish to them so when mounted the right way the two rings end up having the...
06-22-22, 08:08 AM
Replies: 5
Views: 256
Posted By Andrew R Stewart

Most of the "sealed cartridge type" BBs are not...

Most of the "sealed cartridge type" BBs are not meant to have the bearing preload adjustable or to be taken apart and serviced. That is the glory of them, plug/play/forget/replace when worn out...
...
06-22-22, 08:03 AM
Replies: 2
Views: 130
Posted By Andrew R Stewart

The absolute best way to eliminate the slap is to...

The absolute best way to eliminate the slap is to eliminate the internal routing.

I have known some that will use an expanding foam to fill the tube with. Do know that this is a messy and hard to...
06-22-22, 08:01 AM
Replies: 3
Views: 96
Posted By Andrew R Stewart

Check the chainring bolts before doing any...

Check the chainring bolts before doing any damaging steps. One could drill off the retaining bolt's head, once the head is gone the threaded portion still in the axle should easily thread out. One...
06-22-22, 07:53 AM
Replies: 15
Views: 348
Posted By Andrew R Stewart

The pressed in cup (the silver thing in the BB...

The pressed in cup (the silver thing in the BB shell that also is securing the white chain case inner piece) is as proper as it needs to be. What can be confusing is that the relative parts are in an...
Forum: Framebuilders
06-21-22, 06:46 PM
Replies: 3
Views: 230
Posted By Andrew R Stewart

JF's method is a time honored classic way. Except...

JF's method is a time honored classic way. Except many painters will spray the lighter color with no mask. Then mask for the darker color. Masking tape holds up better then tooth paste or some make...
06-21-22, 06:27 PM
Replies: 4
Views: 186
Posted By Andrew R Stewart

Half links can be used to fine tune the position...

Half links can be used to fine tune the position of the BB (as with eccentric) or the rear axle (and thus rim WRT brakes) to suit those aspects best set up. Seat set back and brake pad location in...
06-21-22, 05:51 PM
Replies: 15
Views: 348
Posted By Andrew R Stewart

It's been my experience that fully loose balls in...

It's been my experience that fully loose balls in an "Ashtabula" type BB don't hold their place WRT the other balls and the ball tracks on the cone and cup. I suspect it has to do with the bearing...
06-21-22, 05:32 PM
Replies: 15
Views: 290
Posted By Andrew R Stewart

The end of a seat post is a pretty unstressed...

The end of a seat post is a pretty unstressed spot. Not at all what i would suspect the top of a steerer sees. I have painted the cut face of a carbon tube with both paint and epoxy. Can't say that...
06-21-22, 08:00 AM
Replies: 6
Views: 227
Posted By Andrew R Stewart

I'll add to the good reply of debiker1 and say...

I'll add to the good reply of debiker1 and say that cog thickness varies w/ cog counts. So a 7 speed cassette has thicker cogs then an 11 speed does. The goal is to end up with the same cog to cog...
06-21-22, 07:55 AM
Replies: 15
Views: 290
Posted By Andrew R Stewart

If the tape helps you maintain the saw cut in the...

If the tape helps you maintain the saw cut in the right place and end up fairly straight than yes. But you say you have a cutting guide which should do both jobs. If you're thinking the tape will...
Forum: Framebuilders
06-20-22, 08:10 PM
Replies: 21
Views: 830
Posted By Andrew R Stewart

There's a big area between what a warranty says...

There's a big area between what a warranty says in print and what a company might offer. A lot of this depends on the approach of the claim and who is backing it (like a long time Fuji dealer with...
Forum: Framebuilders
06-20-22, 08:03 PM
Replies: 6
Views: 244
Posted By Andrew R Stewart

I might suggest signing onto...

I might suggest signing onto classic-rendezvous-lightweight-vintage-bicycles@googlegroups.com This is a group that talks about your type of frame. Mark, me and a few others here are members there...
06-20-22, 07:57 PM
Replies: 15
Views: 290
Posted By Andrew R Stewart

Generally the finer the blade's teeth the less...

Generally the finer the blade's teeth the less likely the carbon will tear or split. An abrasive blade has a far finer "tooth count" (80 grit is 80 teeth per inch, as example) then a 32, 24 or 18 tpi...
06-20-22, 07:43 PM
Replies: 3
Views: 195
Posted By Andrew R Stewart

Are you talking about calipers that mount via a...

Are you talking about calipers that mount via a center bolt (and often a recessed nut on the frame/fork's backside) or a direct mount caliper (where the caliper pivots are directly threaded into the...
06-19-22, 08:17 PM
Replies: 11
Views: 202
Posted By Andrew R Stewart

Please whatever you do, DON'T drill the bats. And...

Please whatever you do, DON'T drill the bats. And then hide the hole with a covering aero bar clamp so you can't see the crack develop:)

The aero bars I have worked with pretty much all didn't...
06-19-22, 08:22 AM
Replies: 49
Views: 1,199
Posted By Andrew R Stewart

I don't think a shop trying to sell you a bike is...

I don't think a shop trying to sell you a bike is ripping you off. They are trying to both stay in business and keep you as a customer. The key is how these two motivations overlap and what do their...
06-18-22, 11:17 PM
Replies: 29
Views: 681
Posted By Andrew R Stewart

I don't think Brandt said this ("should be")....

I don't think Brandt said this ("should be"). "Because spokes are usually tensioned no higher than 1/3 their yield stress" (cut and paste from the link) is the reference I see. And the word "usually"...
06-18-22, 09:11 PM
Replies: 5
Views: 159
Posted By Andrew R Stewart

I have found the wiper ramp at the leading end of...

I have found the wiper ramp at the leading end of some KS pads to be more trouble to end up with both good rim clearance and a not so mushy lever feel after pad contact has happened. I have ground...
06-18-22, 09:08 PM
06-18-22, 04:57 PM
Replies: 29
Views: 586
Posted By Andrew R Stewart

"this has nothing to do with the handle bars or...

"this has nothing to do with the handle bars or steering it is a arm rest" the OP in post 13

THIS is why I shake my head at many threads and posts here. How one keeps the front wheel pointing...
06-18-22, 04:50 PM
Replies: 29
Views: 681
Posted By Andrew R Stewart

Back in the early 1980s my cousin, John Allen,...

Back in the early 1980s my cousin, John Allen, penned an article (in Bike World) about using pluck tones to both true and gage spoke tensions in a wheel. It had too much math for me to follow, even...
06-18-22, 04:45 PM
Replies: 53
Views: 1,064
Posted By Andrew R Stewart

What size CO2 cartridge are you using and what...

What size CO2 cartridge are you using and what tire size are you filling with it. 80PSI might well be enough if you are running tires with an appropriate volume. But I wonder if you're not getting...
Forum: Framebuilders
06-18-22, 01:55 PM
Replies: 18
Views: 676
Posted By Andrew R Stewart

Can't do much better than Peter Mooney. Thanks...

Can't do much better than Peter Mooney. Thanks for the follow up. I can well understand why Peter wanted to replace all 3 guides. Between having a match to the old and the easier to deal with new...
06-17-22, 08:13 PM
Replies: 4
Views: 174
Posted By Andrew R Stewart

One could work from the drive side first and end...

One could work from the drive side first and end up on the NDS to see which LH end cap fits your drop out width. Andy
06-17-22, 08:01 PM
Replies: 29
Views: 681
Posted By Andrew R Stewart

I don't think I have ever seen spoke manufacture...

I don't think I have ever seen spoke manufacture tension suggestions/limits, rims sure, hubs WRT lacing/cross pattern sort of. But I cant say I've heard of a spoke brand stating limits.

Can you...
06-17-22, 05:51 PM
Replies: 12
Views: 354
Posted By Andrew R Stewart

And a whole lot more experience at fabricating...

And a whole lot more experience at fabricating and interest in alternative methods in general. I agree that most of the topics are metal focused, mostly because that's what most newbies are trying...
Showing results 1 to 50 of 1000
 


 
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