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Search: Posts Made By: Andrew R Stewart
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05-27-24, 12:14 PM
Replies: 6
Views: 67
Posted By Andrew R Stewart

All above are good replies. We really need far...

All above are good replies. We really need far more info before we might suggest the fork could be or shouldn't be straightened. So photos with "clean" perspectives and using objects like a yard...
05-27-24, 11:12 AM
Replies: 26
Views: 222
Posted By Andrew R Stewart

Gee, thanks for this advice. And so nicely given...

Gee, thanks for this advice. And so nicely given too... (hoping my sarcasm is showing)

This bike likely has many more miles of service to it's owner if they wish. Will it wish for service and...
05-26-24, 09:01 AM
Replies: 8
Views: 181
Posted By Andrew R Stewart

I agree, take the bike back to the shop that sold...

I agree, take the bike back to the shop that sold it to you. Most shops have an after purchase follow up servicing as part of their sales policies. Oh wait! You did buy from a shop where you can look...
05-26-24, 08:37 AM
Replies: 26
Views: 415
Posted By Andrew R Stewart

IME you would be wrong. Very wide tires mounted...

IME you would be wrong. Very wide tires mounted onto a narrow rim does increase the bead's ability to slip up/off the rim edge and allow the tire to burp. But you already knew that as you posted...
05-25-24, 06:50 AM
Replies: 26
Views: 415
Posted By Andrew R Stewart

My short answer is to not run those rims tubeless...

My short answer is to not run those rims tubeless and if you have to be tubeless get a rim that interfaces with the tire in a more positive manor.

Burping air on cornering is a "too little air...
05-21-24, 07:28 AM
Replies: 20
Views: 463
Posted By Andrew R Stewart

How did you try moving the front der? By the...

How did you try moving the front der? By the lever, by the cable (and your hand) or did you grab the der cage itself? Can you measure the crank's chainline? (the center of the seat tube to the middle...
05-20-24, 08:03 AM
Replies: 22
Views: 533
Posted By Andrew R Stewart

The Campy (and Shimano) guide pulleys have a free...

The Campy (and Shimano) guide pulleys have a free floating lateral play designed into them (to better align with a cog after a shift, this free play absorbs minor tolerance and adjustment...
05-19-24, 08:23 AM
Replies: 2
Views: 209
Posted By Andrew R Stewart

I long ago learned to not use "punctureless" as...

I long ago learned to not use "punctureless" as the term if the tire still needed air pressure. Simi pneumatic, solid or foam filled tire are examples of what I consider to be true flat proof tires...
05-14-24, 03:51 PM
Replies: 14
Views: 372
Posted By Andrew R Stewart

I see the reasons to run an IGH VS a der system...

I see the reasons to run an IGH VS a der system to be less about cost over time and more about how it affects each and every mile I will ride. Andy
05-13-24, 04:05 PM
Replies: 43
Views: 1,232
Posted By Andrew R Stewart

Cats use this but with their whiskers being the...

Cats use this but with their whiskers being the sensors. I can feel a leak on my beard often when I can't hear it. Andy
05-13-24, 04:00 PM
Replies: 6
Views: 327
Posted By Andrew R Stewart

In a shop the imaged front tire is correct and...

In a shop the imaged front tire is correct and the rear tread is in the wrong direction. Mostly because customers expect it. As Francis said unless there's a soft enough surface to allow any tread to...
Forum: Framebuilders
05-13-24, 12:27 PM
Replies: 52
Views: 1,581
Posted By Andrew R Stewart

As far as the wheels go I think you've entered...

As far as the wheels go I think you've entered the weight capacity/loading range of motorcycle wheels and tires. The issue with talking about wheel "strength" is that it is so variable WRT the...
05-13-24, 12:02 PM
Replies: 34
Views: 893
Posted By Andrew R Stewart

I'll second the use of external cabling! Assuming...

I'll second the use of external cabling! Assuming the frame accepts caliper brakes (of some form) and the caliper is designed to accept the end of the cable casing (most center pull calipers don't,...
05-13-24, 09:18 AM
Replies: 2
Views: 166
Posted By Andrew R Stewart

Perhaps it is time for a real solvent soak and...

Perhaps it is time for a real solvent soak and air blast. I usually remove the shift pod/blades unis from the body and soak it in a true solvent for a while, then cycle through the shifter's range...
Forum: Framebuilders
05-10-24, 09:00 PM
Replies: 9
Views: 899
Posted By Andrew R Stewart

A lot has happened since my last addition to this...

A lot has happened since my last addition to this thread. The bike this thread concerns is done and I'm good with the results, at least for now...

I had first used lacquer thinner for the thinning...
05-10-24, 07:27 PM
Replies: 43
Views: 1,232
Posted By Andrew R Stewart

When I use a water dip to find a hole I will...

When I use a water dip to find a hole I will usually encircle the tube with my fingers and slide the hand/fingers along the tube's length as it is under the water. I find a couple/three go rounds...
05-10-24, 06:55 PM
Replies: 43
Views: 1,232
Posted By Andrew R Stewart

Yes. At some point one needs to just move on with...

Yes. At some point one needs to just move on with life and prepare once again for that next flat tire.

I have fixed many flat tires when the cause wasn't found out including those that didn't...
05-10-24, 06:25 PM
Replies: 36
Views: 865
Posted By Andrew R Stewart

Yes, as in no cross bars even. I have my roof...

Yes, as in no cross bars even. I have my roof rack installed from about April to November and the car has its alloys and good in wet weather tires (I hate hydroplaning and no longer seek tenths of a...
05-10-24, 10:09 AM
Replies: 29
Views: 964
Posted By Andrew R Stewart

There are (or have been) a few schools for bike...

There are (or have been) a few schools for bike mechanics, UBI comes to mind as example. Barnett's Institute was another (I believe no longer running) school. Both of these were more focused on the...
05-09-24, 07:06 AM
Replies: 27
Views: 729
Posted By Andrew R Stewart

IME when a cartridge bearing wears out...

IME when a cartridge bearing wears out "prematurely" the reason(s) are generally more about the conditions than any bearing grade causes. Radial contact bearings want pretty small tolerances of added...
Forum: Framebuilders
05-08-24, 05:06 PM
Replies: 17
Views: 656
Posted By Andrew R Stewart

How about a trail amount that you wouldn't be...

How about a trail amount that you wouldn't be caught dear riding? Or that fork which has horizontally slotted drop outs to adjust rake and trail that you always meant to make but never got around to....
05-08-24, 06:57 AM
Replies: 10
Views: 331
Posted By Andrew R Stewart

One reason why brake pads seem to stick to the...

One reason why brake pads seem to stick to the rims and sometimes they retract is from excessive pad wear. With cantis the pads swing into the rim in an arc and if the pads are left to wear so much...
05-07-24, 09:56 AM
Replies: 58
Views: 1,428
Posted By Andrew R Stewart

I cook but I will never have the kitchen tool...

I cook but I will never have the kitchen tool craft like a pro food prep/chef has. There are a number of filters that most all LBS staff need to pass through to keep in this field. One is how to fix...
05-06-24, 07:05 PM
Replies: 58
Views: 1,428
Posted By Andrew R Stewart

When in my young 20's and working in the shop's...

When in my young 20's and working in the shop's basement for hours at a time we'd start to play games. One was "fling that lever" using the partially removed tire's tension to toss the lever as far...
05-06-24, 09:36 AM
Replies: 16
Views: 457
Posted By Andrew R Stewart

I would sure replace these tires ASAP. How much...

I would sure replace these tires ASAP. How much is avoiding a flat worth to you? How much to avoid a fall down when it's the front tire that gives out first? Besides new and pliable tires go so far...
05-04-24, 07:50 AM
Replies: 7
Views: 292
Posted By Andrew R Stewart

This answer depends on whether you're a reactive...

This answer depends on whether you're a reactive or a proactive rider.

If reactive then don't do more than wiping things off, lube the usual moving parts and only go deeper when the bike won't...
05-03-24, 07:42 PM
Replies: 36
Views: 865
Posted By Andrew R Stewart

I prefer roof racks for a few reasons but that...

I prefer roof racks for a few reasons but that wasn't the OP's question.

I have a few gas mileage references. A VW Rabbit would get near 31mpg bare topped and almost 26ish with a load of two...
Forum: Framebuilders
05-03-24, 04:01 PM
Replies: 52
Views: 1,581
Posted By Andrew R Stewart

I'm almost surprised that the OP hasn't just gone...

I'm almost surprised that the OP hasn't just gone out and gotten (bought, found as throw aways) old mass merchant steel AtB bikes and then tried what they are thinking of. As a way to get a prototype...
05-03-24, 03:21 PM
Replies: 39
Views: 971
Posted By Andrew R Stewart

How much do you weigh? Are you a spinner or a...

How much do you weigh? Are you a spinner or a pounder? Do you ride light? What other weight will the bike see? what tire widths will you likely run?

I can't speak to the DT family of hub/ freehub...
05-02-24, 07:37 AM
Replies: 28
Views: 839
Posted By Andrew R Stewart

I believe the version of these pedals that the OP...

I believe the version of these pedals that the OP has are of the "no tool release" design. If so there could be some play in that part of the axle, between the part that threads into the crank arm...
05-02-24, 07:29 AM
Replies: 20
Views: 835
Posted By Andrew R Stewart

The image shows what I call a "start burst" hole,...

The image shows what I call a "start burst" hole, a classic unrestrained tube blow out. For some reason the tube was no longer kept inside the rim/tire interior, that bit of tube tried to push it's...
04-28-24, 08:46 PM
Replies: 8
Views: 285
Posted By Andrew R Stewart

Poke/drill a hole in the fender where the bolt...

Poke/drill a hole in the fender where the bolt would have to go to secure the fender there. Rough install the fender and mark along either side of the brake bridge, The hole will go between these...
04-28-24, 04:14 PM
Replies: 34
Views: 1,788
Posted By Andrew R Stewart

I've got to support Stuart's understanding of the...

I've got to support Stuart's understanding of the various aspects we'll talking about just now. I'll add that disk brake equipped bikes do break spokes on front wheels. We've replace more front wheel...
Forum: Framebuilders
04-26-24, 04:55 PM
Replies: 7
Views: 532
Posted By Andrew R Stewart

Do we know the tubing brand/version? Steel tubes...

Do we know the tubing brand/version? Steel tubes are pretty good with being bent a bit as long as: the cross sections remain large (no crimping/folds), the number of back and forth bending was few,...
04-26-24, 08:52 AM
Replies: 4
Views: 226
Posted By Andrew R Stewart

Generally just over a 1/2" of adjustment is...

Generally just over a 1/2" of adjustment is needed as that's what the chain length units are. (Assuming a 1/2" pitch is being used which nearly all chain driven bike have these days). There's no...
Forum: Framebuilders
04-26-24, 08:28 AM
Replies: 12
Views: 572
Posted By Andrew R Stewart

Did I miss John T's post? Or is it in another...

Did I miss John T's post? Or is it in another thread? Andy
Forum: Framebuilders
04-25-24, 09:17 PM
Replies: 7
Views: 601
Posted By Andrew R Stewart

1" x.25" hot rolled strip. Here's a shot of the...

1" x.25" hot rolled strip. Here's a shot of the first practice of design from a couple years ago and one of the current pair made. When I decided to try disk brakes the traditional dropouts just...
04-25-24, 05:27 PM
Replies: 27
Views: 14,120
Posted By Andrew R Stewart

After 4 years no surprise that links evolve, have...

After 4 years no surprise that links evolve, have you tried to google the word?

Your stated cadence and gearing use is exactly what I was thinking it is. Which is why I mentioned training your...
04-25-24, 01:42 PM
Replies: 38
Views: 1,264
Posted By Andrew R Stewart

I don't think we can make this assumption yet....

I don't think we can make this assumption yet. The frame can be straight, the chain and seat stays being the same length and centered laterally WRT the front triangle, but for some reason the wheel...
04-25-24, 01:37 PM
Replies: 27
Views: 14,120
Posted By Andrew R Stewart

The issue with assuming a smaller tooth count,...

The issue with assuming a smaller tooth count, besides wear rate increase and that chordal effect I mentioned 4 years ago (post #8), will lead to more bike speed is that one also needs to be able to...
Forum: Framebuilders
04-25-24, 09:33 AM
Replies: 7
Views: 601
Posted By Andrew R Stewart

I don't have any experience with all the non USA...

I don't have any experience with all the non USA sources excepting CeeWay. I order from them every couple of years, and when I do I load up on extra product to both lower the per unit shipping cost...
Forum: Framebuilders
04-25-24, 09:00 AM
Replies: 12
Views: 572
Posted By Andrew R Stewart

What type of paint application are you using?...

What type of paint application are you using? Rattle can, brush on, compressor powered spray gun? What type of paint is already on the frame? Have you looked at paint types/brand limitations or...
Forum: For Sale
04-24-24, 09:33 AM
Replies: 5
Views: 893
Posted By Andrew R Stewart

Yes, however I am also aware of forum etiquette...

Yes, however I am also aware of forum etiquette and have though that posting for sale stuff away from this sub forum was one of those "grey areas". Since I don't frequent the C&V sub forum I didn't...
04-23-24, 02:03 PM
Replies: 22
Views: 812
Posted By Andrew R Stewart

There's really a shade of grey WRT when a lube is...

There's really a shade of grey WRT when a lube is considered an oil VS a grease as greases and oils vary in their thickness. A thinner grease might be more injectable but it generally will then be...
04-23-24, 01:54 PM
Replies: 38
Views: 1,264
Posted By Andrew R Stewart

If the wheel sits centered in the frame and if...

If the wheel sits centered in the frame and if the brake bosses are located in the same places of either side the brake pads generally are in the same spot in the arm's slots. The photo doesn't show...
Forum: Framebuilders
04-23-24, 07:59 AM
Replies: 5
Views: 362
Posted By Andrew R Stewart

I don't like the look of a wider top of the fork...

I don't like the look of a wider top of the fork blades compared to the dropout end too. But the parts in play (blade diameter at the top VS bottom), the amount of tire width and clearance, the...
04-22-24, 02:17 PM
Replies: 25
Views: 872
Posted By Andrew R Stewart

"Shifting into the spokes" is a classic...

"Shifting into the spokes" is a classic indication of the chain's movement not being controlled properly. Once limit screws are set (or at least the low gear one) they rarely spin in their threads as...
04-22-24, 12:18 PM
Replies: 25
Views: 872
Posted By Andrew R Stewart

A few comments- An aprox 15" gear (24x42 on...

A few comments-

An aprox 15" gear (24x42 on a "27" wheel") is a very low gear and one that being able to balance the bike (especially a tandem), at the 3ish MPH that this low ratio is often run...
04-22-24, 10:03 AM
Replies: 40
Views: 1,938
Posted By Andrew R Stewart

This thread is beginning to drift into a "how to...

This thread is beginning to drift into a "how to do it right" and a "what's right" pissing session.

I would ask if the OP has yet tried to mount the tire and see what the actual fit up results...
Forum: For Sale
04-21-24, 07:28 PM
Replies: 5
Views: 893
Posted By Andrew R Stewart

Fuji Finest 1974 21"

Yes, a 49 year old Fuji for sale. In 1974 I bought a 1973 Finest, first bought bike with sew ups. Sold it a couple years later as it was a 23" and way big. Bought another, this time a 1976, and kept...
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