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Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
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Forum: Framebuilders
05-10-24, 09:00 PM
Replies: 9
Views: 746
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...
Forum: Framebuilders
05-10-24, 07:34 PM
Replies: 13
Views: 224
Posted By Andrew R Stewart

Or in the team car following you... Andy

Or in the team car following you... Andy
Forum: Bicycle Mechanics
05-10-24, 07:27 PM
Replies: 9
Views: 130
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...
Forum: Bicycle Mechanics
05-10-24, 06:55 PM
Replies: 9
Views: 130
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...
Forum: Bicycle Mechanics
05-10-24, 06:25 PM
Replies: 29
Views: 440
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...
Forum: Bicycle Mechanics
05-10-24, 10:13 AM
Replies: 14
Views: 151
Posted By Andrew R Stewart

One could try to change the rotational "clocking"...

One could try to change the rotational "clocking" of the rear cog and/or the chainring to see if other rotational arrangements offer less eccentricity. Often there's some slop between the ring and...
Forum: Bicycle Mechanics
05-10-24, 10:09 AM
Replies: 12
Views: 173
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...
Forum: Bicycle Mechanics
05-09-24, 07:06 AM
Replies: 8
Views: 183
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: 13
Views: 224
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....
Forum: Bicycle Mechanics
05-08-24, 06:57 AM
Replies: 10
Views: 208
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...
Forum: Bicycle Mechanics
05-07-24, 09:56 AM
Replies: 59
Views: 1,112
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...
Forum: Bicycle Mechanics
05-06-24, 07:05 PM
Replies: 59
Views: 1,112
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...
Forum: Bicycle Mechanics
05-06-24, 09:36 AM
Replies: 16
Views: 366
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...
Forum: Classic and Vintage Sales
05-06-24, 09:32 AM
Replies: 3
Views: 586
Posted By Andrew R Stewart

Thread bump. Andy

Thread bump. Andy
Forum: Bicycle Mechanics
05-04-24, 07:50 AM
Replies: 7
Views: 218
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...
Forum: Bicycle Mechanics
05-03-24, 07:42 PM
Replies: 29
Views: 440
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: 36
Views: 720
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...
Forum: Bicycle Mechanics
05-03-24, 03:48 PM
Replies: 29
Views: 440
Posted By Andrew R Stewart

The old way to figure this out would be to go to...

The old way to figure this out would be to go to a retailer who stocks roof racks and try to match up your car's rack rails/bars with a known brand's. That way you could use that brand's bike mounts...
Forum: Bicycle Mechanics
05-03-24, 03:21 PM
Replies: 39
Views: 720
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...
Forum: Bicycle Mechanics
05-02-24, 07:37 AM
Replies: 28
Views: 717
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...
Forum: Bicycle Mechanics
05-02-24, 07:29 AM
Replies: 20
Views: 725
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...
Forum: Bicycle Mechanics
04-28-24, 08:46 PM
Replies: 8
Views: 234
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...
Forum: Bicycle Mechanics
04-28-24, 04:14 PM
Replies: 34
Views: 1,652
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
04-28-24, 12:20 PM
Replies: 7
Views: 399
Posted By Andrew R Stewart

So the stays are Durifort. IIRC it's a typical...

So the stays are Durifort. IIRC it's a typical 4130 type of steel and generally of medium strength/hardness. Much like Reynolds 531. So to the Vitus tubes. Given my earlier considerations and these...
Forum: Framebuilders
04-28-24, 08:15 AM
Replies: 4
Views: 315
Posted By Andrew R Stewart

I know of no rack specific design stuff but some,...

I know of no rack specific design stuff but some, me included, use CAD (cardboard aided design). Some, me included, have made rack making fixtures to help with the actual construction. Andy
Forum: Bicycle Mechanics
04-27-24, 07:31 PM
Replies: 21
Views: 605
Posted By Andrew R Stewart

"Gears being timed/clocked, interesting! Must be...

"Gears being timed/clocked, interesting! Must be something non-symmetrical on the same body (like a cam?), otherwise doesn't make sense to me. I'll have to think about that, perhaps look at an...
Forum: Framebuilders
04-27-24, 07:14 AM
Replies: 12
Views: 473
Posted By Andrew R Stewart

I'm pleased to be confused with John:) he's a...

I'm pleased to be confused with John:) he's a very knowledgeable guy. Andy
Forum: Framebuilders
04-26-24, 08:52 PM
Replies: 12
Views: 473
Posted By Andrew R Stewart

So was it an imagery post of just not linked? If...

So was it an imagery post of just not linked? If it does exist in another forum can you link that? Andy (trying to learn more about painting)
Forum: Framebuilders
04-26-24, 04:55 PM
Replies: 7
Views: 399
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,...
Forum: Bicycle Mechanics
04-26-24, 01:20 PM
Replies: 19
Views: 11,956
Posted By Andrew R Stewart

I'll bite into this 5 year old thread too:) ...

I'll bite into this 5 year old thread too:)

Most likely this Raleigh has the 26tpi threaded shell with a 71mm width. But it is a Raleigh so don't assume anything...
I would not suggest a ball...
Forum: Bicycle Mechanics
04-26-24, 01:06 PM
Replies: 4
Views: 189
Posted By Andrew R Stewart

And if it fits around the chainstay... I ran a...

And if it fits around the chainstay... I ran a ghost ring on our tandem's timing chain for a short time but it would "walk out" and fall to the road if we tried to push really hard, there was so much...
Forum: Bicycle Mechanics
04-26-24, 12:57 PM
Replies: 11
Views: 279
Posted By Andrew R Stewart

I've sold, assembled and serviced a number of...

I've sold, assembled and serviced a number of "adult trikes" (including Sun brand) and most brands have had a IGH 3 spd option (which I strongly recommend). All but a few old Schwinns had a right...
Forum: Framebuilders
04-26-24, 09:50 AM
Replies: 7
Views: 487
Posted By Andrew R Stewart

Eric- yes, the ring webbing was cut near 50 years...

Eric- yes, the ring webbing was cut near 50 years ago, IIRC from my first Campy bike (Gitane Super Corsa). I like playing with tools and don't mind spending time on a project. So, yes there's a bunch...
Forum: Bicycle Mechanics
04-26-24, 08:52 AM
Replies: 4
Views: 189
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: Bicycle Mechanics
04-26-24, 08:44 AM
Replies: 6
Views: 295
Posted By Andrew R Stewart

Milos (and thanks for using a real name:))- The...

Milos (and thanks for using a real name:))- The reference to "foil" is an odd one excepting some decals. Some frames do have a clear paint over the color and sometimes decals (not made of a foil)....
Forum: Bicycle Mechanics
04-26-24, 08:37 AM
Replies: 11
Views: 279
Posted By Andrew R Stewart

Heavy-Duty Stabilizer Wheels for Adult Bicycles,...

Heavy-Duty Stabilizer Wheels for Adult Bicycles, The Original Training Aid fo... | eBay...
Forum: Framebuilders
04-26-24, 08:28 AM
Replies: 12
Views: 473
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: 487
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...
Forum: Bicycle Mechanics
04-25-24, 08:38 PM
Replies: 38
Views: 1,086
Posted By Andrew R Stewart

Great to see progress on the problems. Did Malcom...

Great to see progress on the problems. Did Malcom also fix the "T" tool misalignment aspect? Was there a front triangle to dropouts centering issue also? Bike Fridays do have fairly small diameter...
Forum: Bicycle Mechanics
04-25-24, 05:27 PM
Replies: 27
Views: 13,860
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...
Forum: Framebuilders
04-25-24, 02:23 PM
Replies: 5
Views: 408
Posted By Andrew R Stewart

Sure, using a lug as the start of a bilam joint...

Sure, using a lug as the start of a bilam joint is not at all wrong. It has all the limitations that using a lug with a pre cut shape has when not doing a bilam. People work around those limitations...
Forum: Bicycle Mechanics
04-25-24, 02:08 PM
Replies: 38
Views: 1,086
Posted By Andrew R Stewart

Understood. I just get nervous when frame mods...

Understood. I just get nervous when frame mods are mentioned with less than full information. Andy
Forum: Bicycle Mechanics
04-25-24, 02:06 PM
Replies: 3
Views: 198
Posted By Andrew R Stewart

"Swivel" to me means the anchor bolt is mounted...

"Swivel" to me means the anchor bolt is mounted on a link or shaft that moves to have the cable better align as the der parallelogram goes through its arc as one shifts.

"Dont want to crank on it...
Forum: Bicycle Mechanics
04-25-24, 01:42 PM
Replies: 38
Views: 1,086
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...
Forum: Bicycle Mechanics
04-25-24, 01:37 PM
Replies: 27
Views: 13,860
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: Bicycle Mechanics
04-25-24, 01:28 PM
Replies: 19
Views: 542
Posted By Andrew R Stewart

First- Crank arms can and do move about on the BB...

First- Crank arms can and do move about on the BB axle if they are mot tight. By the OP's description ,but not actual stated fact, I assume they have a cotterless crank. When these arms become loose...
Forum: Framebuilders
04-25-24, 09:33 AM
Replies: 7
Views: 487
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: 473
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: Classic and Vintage Sales
04-24-24, 09:34 AM
Replies: 3
Views: 586
Posted By Andrew R Stewart

Fuji Finest Offer

I am selling my 1975 Finest over in the For Sale sub forum here, Fuji Finest 1974 21" - Bike Forums (https://www.bikeforums.net/sale/1292260-fuji-finest-1974-21-a.html#post23222532) Andy
Forum: For Sale
04-24-24, 09:33 AM
Replies: 5
Views: 744
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...
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