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Search: Posts Made By: Andrew R Stewart
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08-10-22, 09:49 PM
Replies: 2
Views: 66
Posted By Andrew R Stewart

The assemblage of tools includes a few that won't...

The assemblage of tools includes a few that won't be needed for a 40 year old bike and lacks a bunch that are needed. Andy
Forum: Framebuilders
08-10-22, 09:05 PM
Replies: 18
Views: 912
Posted By Andrew R Stewart

More progress. I drew the basic shore lines for...

More progress. I drew the basic shore lines for the lugs and began carving. This is a step that I have been procrastinating on for a while. So far i think the seat lug looks OK, maybe 90% done at...
08-10-22, 09:02 AM
Replies: 8
Views: 163
Posted By Andrew R Stewart

We use steel wool first and follow up with...

We use steel wool first and follow up with alcohol leaving the rotors on the hub for easier holding of them and less time (but we do check the mounting hardware just in case:)) Andy
08-10-22, 08:38 AM
Replies: 13
Views: 352
Posted By Andrew R Stewart

(86) Figured out the Shimano linkage derailleur...

(86) Figured out the Shimano linkage derailleur design : BikeMechanics (******.com)...
08-09-22, 07:14 PM
Replies: 20
Views: 423
Posted By Andrew R Stewart

More mods and better measurement recording- I...

More mods and better measurement recording- I made a dial indicator clamp and set up for the lever/cable measurements. (While a lathe is a beautiful thing a mill is pretty cool too). The measurements...
08-09-22, 12:16 PM
Replies: 10
Views: 217
Posted By Andrew R Stewart

I would extend the slot down to close to the...

I would extend the slot down to close to the lug's bottom edge and round off the bottom of the slot. Seat posts can be harder to make tight is the slot is short. I like a slot at least an inch long....
08-08-22, 07:22 AM
Replies: 2
Views: 125
Posted By Andrew R Stewart

I'll second not using electrical tape. It will...

I'll second not using electrical tape. It will compress and slide between the layers quite easily over time and with stress. Andy
08-07-22, 10:19 AM
Replies: 20
Views: 496
Posted By Andrew R Stewart

1- Care because the overall system performance is...

1- Care because the overall system performance is becoming more and more dependent on best chain lines. If you're running older systems that have no lift pins, have a wide ring to ring center...
08-07-22, 08:20 AM
Replies: 13
Views: 352
Posted By Andrew R Stewart

We dislike this design too for a few reasons. One...

We dislike this design too for a few reasons. One is that the limit screws are turned in the opposite direction than any other "modern" der. But the do just the same in limiting the cage travel.
...
08-07-22, 08:14 AM
Replies: 7
Views: 198
Posted By Andrew R Stewart

Very few drop out eyes don't use the M5...

Very few drop out eyes don't use the M5 threading. Some have been M6, but these will see a M5 bolt nearly sliding through so i doubt this is what you have. Many older English (can you say "Raleigh")...
08-06-22, 07:16 PM
Replies: 20
Views: 423
Posted By Andrew R Stewart

I had no idea this project of mine would generate...

I had no idea this project of mine would generate this much response. Thanks for the feedback so far, I am learning.

Someone suggested placing the indicator's tip against the inner cage plate....
08-05-22, 09:08 PM
Replies: 20
Views: 423
Posted By Andrew R Stewart

Measuring 9 Speed Movements

This thread is already many years old and others have gone before me here. I have run mixed drivetrains since the mid 1990s and don't want to move on from my many Campy Ergo (second gen pointy hood...
08-05-22, 08:44 AM
Replies: 18
Views: 310
Posted By Andrew R Stewart

I use a machinist's scribe (K&D offers one). At...

I use a machinist's scribe (K&D offers one). At work we use a sharpened spoke. With a little practice one can place the nipple of the sharpened end of the tool, place the nipple into the rim's hole,...
08-04-22, 08:13 PM
Replies: 3
Views: 105
Posted By Andrew R Stewart

First thought is cable friction. Andy

First thought is cable friction. Andy
08-04-22, 06:48 PM
Replies: 6
Views: 206
Posted By Andrew R Stewart

My friend recently replaced his Gates belt and...

My friend recently replaced his Gates belt and ring on his CoMotion. The old had MAJOR wear after 4 or 5 years. He was beginning to have some slip under pedal pressure. When i looked at the old parts...
Forum: Framebuilders
08-03-22, 08:34 PM
Replies: 7
Views: 290
Posted By Andrew R Stewart

Define "advantage" and by who is benefiting from...

Define "advantage" and by who is benefiting from it. One community wants some new buzz with each market cycle. Some want their egos stroked at the start of group rides, with the bike they are on....
Forum: Framebuilders
08-03-22, 07:52 PM
Replies: 18
Views: 912
Posted By Andrew R Stewart

Mark- Glad to know that I'm not the first person...

Mark- Glad to know that I'm not the first person to make mistakes. When I took Eisentraut's 1979 Rutland VT class he commented that one mark of a pro was how they hid theirs:)

I thought about...
Forum: Framebuilders
08-02-22, 08:08 PM
Replies: 18
Views: 912
Posted By Andrew R Stewart

Update- Here are a few shots of the current...

Update- Here are a few shots of the current status on my build.

The forks went badly, twice. I hate making stupid mistakes let alone a second time. The first set of blades are scrap now and the...
08-02-22, 01:58 PM
Replies: 8
Views: 244
Posted By Andrew R Stewart

One rarely anticipated issue with swapping rear...

One rarely anticipated issue with swapping rear ders on a 20" wheel is the tension pulley to ground clearance can become less than ideal... Andy
08-02-22, 08:15 AM
Replies: 8
Views: 244
Posted By Andrew R Stewart

First you have to see if the freehub body is long...

First you have to see if the freehub body is long enough to fit the 10 cog cassette. This is best done by an actual measurement and not relying on some spec chart found on line. If you can't remove...
07-31-22, 06:02 PM
Replies: 23
Views: 588
Posted By Andrew R Stewart

Actually it is more among the non pros that wheel...

Actually it is more among the non pros that wheel overlapping, and the risk of that point rearward QR lever acting as a hook or latch, that is likely the greater concern. Any one who hasn't ridden up...
07-31-22, 08:56 AM
Replies: 23
Views: 588
Posted By Andrew R Stewart

I will disagree with this statement. The most...

I will disagree with this statement. The most easily snagged position for a QR skewer lever to be at is when is points away from the stays/blades. For a front wheel this means pointing forwards or...
Forum: Framebuilders
07-31-22, 07:30 AM
Replies: 21
Views: 736
Posted By Andrew R Stewart

Good surface prep usually is to slightly roughen...

Good surface prep usually is to slightly roughen the surface so any coating can have a better "bite" and not flake/scrape off as easily. Runs and drips are about that coating's application. (As in...
07-31-22, 07:24 AM
Replies: 22
Views: 546
Posted By Andrew R Stewart

The first thing I think of is that your legs are...

The first thing I think of is that your legs are stronger than your arms are and there's some friction that your arms can't over come but your legs do. A common cause is a rubbing brake. There are...
07-30-22, 08:00 PM
Replies: 35
Views: 656
Posted By Andrew R Stewart

This issue is not exclusive to modern STI...

This issue is not exclusive to modern STI shifters. I've had a couple of, personal, Campy Ergo set ups do the same fraying just below the head. A couple of years ago i replaced new Ergo levers on a...
07-30-22, 04:13 PM
Replies: 23
Views: 544
Posted By Andrew R Stewart

Back in the day, before I worked in bike shops, I...

Back in the day, before I worked in bike shops, I used a flat file as a SunTour Perfect FW remover. Removed the file handle, slid the tang into where the axle had been and engaged the FW's slots with...
Forum: Framebuilders
07-29-22, 05:47 PM
Replies: 12
Views: 413
Posted By Andrew R Stewart

I have gone through a couple containers of these...

I have gone through a couple containers of these products. (IIRC it was Heat Fence that I used). When the stuff was fresh and moist it worked very well. Some of the stuff was able to be scraped off...
07-29-22, 05:24 PM
Replies: 29
Views: 736
Posted By Andrew R Stewart

Pull the post out. Drip oil into the seat tube...

Pull the post out. Drip oil into the seat tube with the bike positioned so the "crack" is on the bottom, wrap paper towel around the crack. Come back later and see if the oil wept out through the...
07-29-22, 11:21 AM
Replies: 16
Views: 291
Posted By Andrew R Stewart

The eccentric shim I linked to does this, buy...

The eccentric shim I linked to does this, buy only by a mm or two. Andy
07-29-22, 07:47 AM
Replies: 16
Views: 291
Posted By Andrew R Stewart

The shims linked to are not for moving the ft der...

The shims linked to are not for moving the ft der in or out WRT chainline. The move the der forward or change it's angle, relative to the seat tube. Stii cool options for when these changes are...
07-27-22, 09:15 AM
Replies: 13
Views: 273
Posted By Andrew R Stewart

This reeks of poor communication. The shop seems...

This reeks of poor communication. The shop seems to have not informed the OP of increased costs beyond the common 10%/$10 allowance many states have in their "fair business" laws. The shop might have...
07-26-22, 03:24 PM
Replies: 33
Views: 652
Posted By Andrew R Stewart

I won't say how to achieve it but my rule for...

I won't say how to achieve it but my rule for mountain touring is one can never have too low a gear. Depending on the HR limits wanted one might be riding up one hill for an hour+ (my personal...
07-26-22, 08:37 AM
Replies: 6
Views: 193
Posted By Andrew R Stewart

One should test the new paint on a "hidden" spot...

One should test the new paint on a "hidden" spot on the old paint first. It would be a shame if the new paint didn't like the old.

The well known phrase "you get what you pay for" applies here in...
07-24-22, 05:55 PM
Replies: 3
Views: 127
Posted By Andrew R Stewart

A typical home method is to place the FH body on...

A typical home method is to place the FH body on paper towels and drip medium weight oil into the top end and watch, over time and repeat drippings, the crud flow out. Some FH bodies have a shaped...
07-24-22, 01:03 PM
Replies: 23
Views: 559
Posted By Andrew R Stewart

What kind of BB, brand/model? What material is...

What kind of BB, brand/model? What material is that LH cup made of?

" it just won't tighten against the bb cassette." OP Please explain. Is the cup moving inside the BB shell as you turn it (as...
07-23-22, 02:26 PM
Replies: 17
Views: 393
Posted By Andrew R Stewart

" I'm on a loaded bike, have a thorn liner in it"...

" I'm on a loaded bike, have a thorn liner in it" the OP
So, the rider weight is not the only weight the tires are seeing. Wish we knew how much more.

No one has mentioned the tire liner. The...
07-23-22, 02:19 PM
Replies: 20
Views: 513
Posted By Andrew R Stewart

I have done this same tube size miss match. But...

I have done this same tube size miss match. But usually, it's a second choice. A get the rider going again choice. Unfortunately, the last couple of years a this has been the "go to" more times than...
07-23-22, 02:15 PM
Replies: 19
Views: 523
Posted By Andrew R Stewart

And riser or swept back bars if a riser stem...

And riser or swept back bars if a riser stem isn't enough hand height. Don't forget that the higher the hands get the more seat set back most riders want. Andy
07-23-22, 06:44 AM
Replies: 4
Views: 163
Posted By Andrew R Stewart

Back in the Bio Pace chain ring era the industry...

Back in the Bio Pace chain ring era the industry found that the slight rotational movement of the rear cage (as the chain slack was taken in and played out) made no appreciable difference to the life...
07-22-22, 07:42 PM
Replies: 4
Views: 170
Posted By Andrew R Stewart

Chain weight is a false chase IMO. VASTLY more...

Chain weight is a false chase IMO. VASTLY more important is shifting performance. Andy
07-22-22, 02:51 PM
Replies: 12
Views: 465
Posted By Andrew R Stewart

I take absolutes in marketing claims with a big...

I take absolutes in marketing claims with a big grain of salt. Andy
07-22-22, 02:43 PM
Replies: 19
Views: 523
Posted By Andrew R Stewart

I try to talk customers into having a spacer or...

I try to talk customers into having a spacer or two ABOVE the stem when installing replacement forks. As one can always go back and cut off another 10mm... I can't remember how many customers I have...
07-21-22, 06:39 PM
Replies: 8
Views: 323
Posted By Andrew R Stewart

No special steps except for being patient and...

No special steps except for being patient and thorough in the prep. With paint, cleanliness is golden so do a good job at that. Using a few different cleaning solutions ending with a real paint...
Forum: Framebuilders
07-20-22, 02:30 PM
Replies: 25
Views: 767
Posted By Andrew R Stewart

I'm only an hour drive east of you. I would be...

I'm only an hour drive east of you. I would be willing to take a look at it with you if that is interesting. Andy
07-20-22, 02:00 PM
Replies: 7
Views: 284
Posted By Andrew R Stewart

I'll add a couple of tidbits to the good...

I'll add a couple of tidbits to the good explanation by smd4.

4mm and 5mm SIS casing is pretty much interchangeable WRT shifting aspects. But their end caps are rather different. 4MM SIS casing...
07-19-22, 09:14 AM
Replies: 18
Views: 553
Posted By Andrew R Stewart

Do others see the ft der cage being off angle...

Do others see the ft der cage being off angle (rotated on the seat tube) WRT the rings?

Changing the cable's attachment point on the ft der will change how the lever's indexing detents align with...
07-19-22, 09:01 AM
Replies: 22
Views: 499
Posted By Andrew R Stewart

The most common issue I see with guide pulleys...

The most common issue I see with guide pulleys and shifting has nothing to do with parallelogram return springs, the pulley's bushing becomes worn enough to develop too much slop/rocking and the...
07-16-22, 06:46 PM
Replies: 10
Views: 236
Posted By Andrew R Stewart

As Stuart said, most hubs with a cone wrench set...

As Stuart said, most hubs with a cone wrench set of flats will also be a loose ball and cone design. So with not actually having the hub in hand I'll give an educated guess at a few aspects. 15 and...
07-15-22, 08:32 AM
Replies: 22
Views: 499
Posted By Andrew R Stewart

I believe that the OP is talking about the...

I believe that the OP is talking about the parallelogram return spring and not the cage pivot one. BTW when the cage pivot spring tension is played with on ders with a sprung hanger mount pivot...
07-15-22, 08:15 AM
Replies: 6
Views: 143
Posted By Andrew R Stewart

A somewhat common error when installing a shift...

A somewhat common error when installing a shift cable into a STI lever is not having the shifter in its default position. Meaning that the cable spool with the cable head seat isn't in the right...
Showing results 1 to 50 of 1000
 


 
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