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Search: Posts Made By: Andrew R Stewart
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05-25-22, 07:33 PM
Replies: 5
Views: 40
Posted By Andrew R Stewart

Make sure that the crank spider tabs don't...

Make sure that the crank spider tabs don't contact the stay. Depending on various aspects/shapes the OEM inner ring's teeth might not be to closest part to the stay. Andy
05-25-22, 07:30 PM
Replies: 21
Views: 352
Posted By Andrew R Stewart

I purposely tried to avoid any social or...

I purposely tried to avoid any social or political reference in my earlier reply. Of course they can and do impact our decision making. Sometimes from well meaning motivations and sometimes from...
05-25-22, 07:23 PM
Replies: 5
Views: 40
Posted By Andrew R Stewart

Maybe. Depends on how the current axle is...

Maybe. Depends on how the current axle is dimensioned and how the replacement is. If the old axle is symmetrical and the replacement is also than the new axle will need to be 8mm shorter. But not all...
05-25-22, 07:12 PM
Replies: 1
Views: 39
Posted By Andrew R Stewart

If one is handy with files and such...

If one is handy with files and such making/forming a cable stop wouldn't be hard. And one could increase the stay contact area to increase the joint strength. Small Parts - Cable Stops...
05-25-22, 06:50 AM
Replies: 7
Views: 107
Posted By Andrew R Stewart

First I doubt that their drive side bearing is...

First I doubt that their drive side bearing is pressed in the shell for that bike/era. Second some Crescents have used non English threading so do your homework before trying to loosen yours (pick...
05-25-22, 06:44 AM
Replies: 5
Views: 143
Posted By Andrew R Stewart

10 months is fairly short a time for rubber...

10 months is fairly short a time for rubber cracks to show but these tires might have been made a year before (their life didn't start at the time you bought them) and they are a performance product....
05-24-22, 08:37 PM
Replies: 12
Views: 245
Posted By Andrew R Stewart

I would agree with having an experienced eye take...

I would agree with having an experienced eye take a look at her bike. If the frame is not damaged and the other parts (bars, wheels, cranks) are good then by all means service the bike and ride it...
05-24-22, 06:26 PM
Replies: 21
Views: 352
Posted By Andrew R Stewart

R_l- Ther are many of us, but likely not enough,...

R_l- Ther are many of us, but likely not enough, to profit from the effort to produce a replica/aftermarket replacement. I figure I have about 5+ years of X cleats stashed away. Too bad I walk off...
Forum: Framebuilders
05-24-22, 09:19 AM
Replies: 14
Views: 203
Posted By Andrew R Stewart

Here's the last bent ring I did, also the first:)...

Here's the last bent ring I did, also the first:) Don't think a bash guard would have made any difference. Andy...
05-24-22, 09:07 AM
Replies: 5
Views: 211
Posted By Andrew R Stewart

Yes, knowing what one is really measuring/gaging...

Yes, knowing what one is really measuring/gaging is an important aspect of understanding the whole picture. The string test assumes that one's rear wheel is also dished on center between the axle...
05-24-22, 08:54 AM
Replies: 7
Views: 153
Posted By Andrew R Stewart

I'm no DT hub expert (and haven't worked in a...

I'm no DT hub expert (and haven't worked in a tandem shop for 12 years) so my reply might not hold water.

It seems that the brake's backing plate (the part that holds the shoes and has the...
05-24-22, 08:35 AM
Replies: 7
Views: 168
Posted By Andrew R Stewart

solveg- Thanks for the greater insight. I have a...

solveg- Thanks for the greater insight. I have a friend (we were an "item" back in 1980) who contracted a severe case of Lyme disease and didn't find help for years. She's now sort of recovered but...
05-23-22, 08:39 PM
Replies: 6
Views: 175
Posted By Andrew R Stewart

I would talk to some painters about the frame...

I would talk to some painters about the frame surface condition after wet blasting, if that's the goal, to strip paint and repaint.

I certainly agree that sandblasting (dry) off paint, powder...
Forum: Framebuilders
05-23-22, 08:14 PM
Replies: 14
Views: 203
Posted By Andrew R Stewart

Sure there are hobby people w/ CNC stuff,...

Sure there are hobby people w/ CNC stuff, although a one off can be easier to make on a manual machine often:) The Home Shop Machinist & Machinist's Workshop Magazine's BBS...
Forum: Framebuilders
05-23-22, 08:05 PM
Replies: 30
Views: 3,251
Posted By Andrew R Stewart

Thanks for the follow up. Andy

Thanks for the follow up. Andy
05-23-22, 07:57 PM
Replies: 5
Views: 151
Posted By Andrew R Stewart

A cone wrench (IIRC 13mm) will fit these pulley...

A cone wrench (IIRC 13mm) will fit these pulley cones. Like some low cost front hubs, the cone/bearing preload is held by the cage bolts (axle nuts in the hub example). So some trial and try again is...
05-23-22, 07:49 PM
Replies: 7
Views: 153
Posted By Andrew R Stewart

And "machine" is a nice way of saying "drill"....

And "machine" is a nice way of saying "drill". Andy
05-23-22, 07:47 PM
Replies: 5
Views: 211
Posted By Andrew R Stewart

This might be better posted to the frame builders...

This might be better posted to the frame builders forum...

All I see are drop outs that might not be parallel with each other. Their faces might be well centered WRT the main triangle, but we...
05-23-22, 07:41 PM
Replies: 5
Views: 123
Posted By Andrew R Stewart

We are seeing far more chain/teeth wear per mile...

We are seeing far more chain/teeth wear per mile on the E bikes we have sold and serviced, compared to a bio motor bike. I would agree with the other's suggestions till shown different, they pretty...
05-23-22, 07:25 PM
Replies: 7
Views: 168
Posted By Andrew R Stewart

Stem- We fit quite a few of these types of stem...

Stem- We fit quite a few of these types of stem adaptors each year. They work well if the rider isn't a hammer head that is going for big air all the time. Actually the majority of the brands we sell...
05-23-22, 06:44 PM
Replies: 6
Views: 175
Posted By Andrew R Stewart

I would think that power washers that are...

I would think that power washers that are designed for clean water would not like an abrasive running through them.

I am curious about the rest of the story that hasn't been said. Why post a...
05-23-22, 06:36 PM
Replies: 7
Views: 365
Posted By Andrew R Stewart

Thanks for the continued follow ups. Those marks...

Thanks for the continued follow ups. Those marks on the FH body are deeper and worse than I thought. My earlier "passing" comment about sloppy bearings or rocking about now seems more likely. Please...
05-23-22, 07:19 AM
Replies: 14
Views: 220
Posted By Andrew R Stewart

One can always slightly grind the pads' upper...

One can always slightly grind the pads' upper edges to a bevel to further avoid the tire. Andy
05-22-22, 08:20 PM
Replies: 2
Views: 102
Posted By Andrew R Stewart

This tooth shaping was called "W Cut". An early...

This tooth shaping was called "W Cut". An early attempt to reduce the front shifting effort.

When a chain is told to move to another cog/ring it has to be able to lift up off the current teeth...
Forum: Framebuilders
05-22-22, 08:00 PM
Replies: 11
Views: 279
Posted By Andrew R Stewart

IIRC Fuji has changed owners over the years. Let...

IIRC Fuji has changed owners over the years. Let us know how it goes if you do ask for a warranty coverage.

I do agree with the mentioned issues with a repair. There's a reason why many Al frames...
05-22-22, 06:41 PM
Replies: 23
Views: 408
Posted By Andrew R Stewart

My thoughts are- you could simply pull a spoke...

My thoughts are- you could simply pull a spoke from the LH side and measure it to see if you got the proper lengths on the correct sides. You could just loosen all the spokes and restart the...
05-22-22, 08:25 AM
Replies: 15
Views: 238
Posted By Andrew R Stewart

Many LBSs have a policy of not even letting a gas...

Many LBSs have a policy of not even letting a gas powered bike in the shop. When I had my shop in Cleveland years ago the city and my insurance both excluded gas from being allowed in the building.
...
05-22-22, 08:17 AM
Replies: 9
Views: 982
Posted By Andrew R Stewart

Rolla- Sorry if I sounded aggressive with my...

Rolla- Sorry if I sounded aggressive with my earlier reply. Wasn't trying to diss you but to describe how the view of a builder works.

There are many references of Ti tubing and its dimensions...
05-21-22, 08:09 PM
Replies: 9
Views: 982
Posted By Andrew R Stewart

"but I never understood the rationale for...

"but I never understood the rationale for intentionally making the seat tube oversized and using a shim." Rolla

Maybe because your view is backwards. The tube is what fits the design goals AND is...
05-21-22, 07:47 PM
Replies: 8
Views: 156
Posted By Andrew R Stewart

Generally one will set the wheel/axle's position...

Generally one will set the wheel/axle's position in the fork (that has axle holders that we call drop outs) using the weight of the bike pushing the axle up and into the drop outs as full as gravity...
05-21-22, 07:30 PM
Replies: 16
Views: 391
Posted By Andrew R Stewart

In my view a dent might have a creased bottom, or...

In my view a dent might have a creased bottom, or not. A dent has a fairly consistent wall thickness through its form. A gauge, on the other hand, is a shape often with a sharp and narrow bottom....
05-20-22, 06:45 PM
Replies: 6
Views: 166
Posted By Andrew R Stewart

After a number of years of UV exposure a color...

After a number of years of UV exposure a color and any cleat coat can (and often) will shift it's color from the OEM tint. So for touch up work a different "color" will better match the aged OEM one....
05-20-22, 06:31 PM
Replies: 4
Views: 162
Posted By Andrew R Stewart

"For life" That's the crux of the question. Nost...

"For life" That's the crux of the question. Nost all manufactures don't consider normal wear to be a warranty issue. A nearly 30 year old bike will show wear.

Please don't sell that headset...
05-20-22, 06:22 PM
Replies: 7
Views: 365
Posted By Andrew R Stewart

Focus! I suspect those silver "scrape marks"...

Focus!

I suspect those silver "scrape marks" are from the ratchet teeth and grit. Likely the clearance between the tops of the ratchet teeth and the freehub's ratchet area's OD is very small and...
Forum: Touring
05-20-22, 06:10 PM
Replies: 17
Views: 411
Posted By Andrew R Stewart

"only want to sell the highest profit margin...

"only want to sell the highest profit margin stuff. And sometimes the popular stuff that is high margin, suddenly they drop that too. Sorry, I am starting to rant." Tourist in MSN
Tourist in MSN is...
05-20-22, 05:55 PM
Replies: 16
Views: 391
Posted By Andrew R Stewart

Yes, ride it but verify (to borrow from Pres...

Yes, ride it but verify (to borrow from Pres Reagan). Meaning keep you eye on it every so often. Were the frame ever be painted is the time to "correct" it. Andy

BTW- I've felt that those steel...
Forum: Touring
05-19-22, 10:09 PM
Replies: 17
Views: 411
Posted By Andrew R Stewart

There are a few variables going on when a rack...

There are a few variables going on when a rack designer tries to have their rack fit the bulk of the bell curve we call steering geometry/dropout shapes and "other".

Fork geometry- Steerer angle...
05-19-22, 07:05 PM
Replies: 4
Views: 186
Posted By Andrew R Stewart

I have used 30-35 ft lbs for tapered square arm...

I have used 30-35 ft lbs for tapered square arm retaining bolts for decades. IIRC older Euro ones often wanted a few lbs less as their alloys tended to be softer. When Hollowtech came out and their...
05-19-22, 04:53 PM
Replies: 4
Views: 129
Posted By Andrew R Stewart

I've never liked RivNut like inserts, but I'm a...

I've never liked RivNut like inserts, but I'm a steel guy:)

The above advice is sound. But like many easy to do things that one has never done a practice or two helps provide confidence and some...
05-19-22, 10:18 AM
Replies: 5
Views: 157
Posted By Andrew R Stewart

I'll add that a sizing rod (the conical or...

I'll add that a sizing rod (the conical or stepped type) will gage only the very top part of the seat tube, the usual stepped rods only have a half inch (or so) of each diameter that is inserted in...
05-19-22, 10:09 AM
Replies: 40
Views: 743
Posted By Andrew R Stewart

For some BBs we have used a pneumatic impact...

For some BBs we have used a pneumatic impact wrench and a BB tool with a 1/2 or 3/8 drive fitting on it. A very (thankfully) cups have had to be ground and broken out of the shell. Andy
05-18-22, 01:08 PM
Replies: 7
Views: 279
Posted By Andrew R Stewart

Integrated headsets are one more example of an...

Integrated headsets are one more example of an improvement/feature actually being a problem at a later time. This damage to the bearing seats in the headtube wouldn't have been an issue if the...
05-18-22, 12:59 PM
Replies: 17
Views: 460
Posted By Andrew R Stewart

Shimano, Microshift and SunTace all have various...

Shimano, Microshift and SunTace all have various types of 3x8 shifters that a major LBS parts supplier, QBP, have in stock. I suspect the thumb and twist grip types are not acceptable (you mention...
Forum: Framebuilders
05-18-22, 08:32 AM
Replies: 3
Views: 179
Posted By Andrew R Stewart

In 45 years of brazing I have never felt the need...

In 45 years of brazing I have never felt the need for side protection from the flame/glare. I have used simple sun glasses a few times, a long time ago. These days I use a Phillips 202 lens which was...
05-17-22, 08:36 PM
Replies: 4
Views: 106
Posted By Andrew R Stewart

Replace "@' with "at", "." becomes "dot". Add a...

Replace "@' with "at", "." becomes "dot". Add a space or two to the link... Andy
05-17-22, 08:07 PM
Replies: 17
Views: 343
Posted By Andrew R Stewart

This is a good point to make. As the weight of...

This is a good point to make. As the weight of bikes has dropped, the complexity has increased and tolerances have tightened the need of proactive maintenance is greater then what many of us do. I...
05-17-22, 02:55 PM
Replies: 9
Views: 233
Posted By Andrew R Stewart

There should be a model number molded/stamped...

There should be a model number molded/stamped into the lever, sometimes tiny print. Of course if you're going to a LBS just take the old lever with you. By 1990, IIRC, Shimano had gone to the second...
05-17-22, 09:00 AM
Replies: 4
Views: 106
Posted By Andrew R Stewart

I assume your headset is a threadless type. ...

I assume your headset is a threadless type.

Many threadless headsets use a ring that fits inside the upper bearing and over the steerer to locate and center that bearing WRT the steerer. This ring...
Forum: Framebuilders
05-17-22, 08:40 AM
Replies: 6
Views: 212
Posted By Andrew R Stewart

I strongly suggest that one mocks up the canti...

I strongly suggest that one mocks up the canti brakes and rim, on paper if not with the actual parts. I've found that for the Shimano MT62 family of cantis work best with post to post centers of...
05-16-22, 08:33 PM
Replies: 17
Views: 343
Posted By Andrew R Stewart

There are some combos of bearings and crank...

There are some combos of bearings and crank spindles that are almost but not quite compatible. What's a few thousandths of an inch between competing brands? (Borrowed from the story of the Browning...
Showing results 1 to 50 of 1000
 


 
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