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Search: Posts Made By: Andrew R Stewart
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Forum: Framebuilders
10-26-20, 03:01 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

Last photo for a while. Andy ...

Last photo for a while. Andy

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/pa260101_1f76065a5c5a81c08b47da47b1b74662c50b1f17.jpg
10-26-20, 02:31 PM
Replies: 15
Views: 162
Posted By Andrew R Stewart

IIRC this version of shifters have the center...

IIRC this version of shifters have the center bolt threading into a Tee nut. The flange of that nut can slip out of it's fitting and thus spin, like a stripped bolt might. The bugger is that these...
10-25-20, 10:23 PM
Replies: 23
Views: 494
Posted By Andrew R Stewart

Sure...:) In the shops I have worked at most...

Sure...:) In the shops I have worked at most would have replaced the tube at no tube cost. But after the customer left we would say stuff that wasn't for public viewing. The wholesale cost of a tube...
10-25-20, 10:16 PM
Replies: 7
Views: 197
Posted By Andrew R Stewart

All you can do it try and see for yourself how...

All you can do it try and see for yourself how the challenges are dealt with and what the benefits gained are. I know a few teams that love to ride trails but not really rough stuff. One has a dual...
10-25-20, 10:14 PM
Replies: 13
Views: 385
Posted By Andrew R Stewart

Since the OEM market sets most all the current...

Since the OEM market sets most all the current standards the most common triple inner ring is a 30T. Now for those riders who are savvy (or their shops) on a 110/74 crankset a 24 granny is not at all...
Forum: Framebuilders
10-25-20, 06:50 PM
Replies: 10
Views: 261
Posted By Andrew R Stewart

If I understand the slow closing down of HJ the...

If I understand the slow closing down of HJ the popular stuff was long ago sold out.

The way these thing often go is the business tries to sell as much as possible with increasing discounts as...
10-25-20, 06:44 PM
Replies: 4
Views: 148
Posted By Andrew R Stewart

If you decide on a triple crank I have a NIB...

If you decide on a triple crank I have a NIB Campy with 170 arms that I'll sell for far less then modern stuff. Andy
10-25-20, 06:40 PM
Replies: 13
Views: 221
Posted By Andrew R Stewart

No added removal needs but there is an additional...

No added removal needs but there is an additional install need. Two prong tools really want an axle in place to help secure the tool VERY TIGHTLY against the freewheel during the initial effort to...
10-25-20, 02:52 PM
Replies: 4
Views: 137
Posted By Andrew R Stewart

When you bled the lines did you also pry back in...

When you bled the lines did you also pry back in the pads (I use a clean cone wrench between the pads)? Sometimes the pad piston can hang up within it's cylinder from grime and needs a few cycles in...
Forum: Framebuilders
10-25-20, 09:55 AM
Replies: 12
Views: 393
Posted By Andrew R Stewart

After doing a number of main frame and stay...

After doing a number of main frame and stay miters on the mill I'm pretty comfy with this set up. As mentioned it did rake some trial to figure the most solid method. I have to admit that I have not...
10-24-20, 10:31 PM
Replies: 6
Views: 177
Posted By Andrew R Stewart

The caliper arms have a nub traveling in a...

The caliper arms have a nub traveling in a groove, between the arms. A tiny plastic cap fits onto this nub to reduce and friction. The photo shows it to be missing. Not an uncommon situation and if...
Forum: Framebuilders
10-24-20, 09:37 PM
Replies: 10
Views: 261
Posted By Andrew R Stewart

HJ closed up a number of months ago IIRC. Andy

HJ closed up a number of months ago IIRC. Andy
10-24-20, 09:36 PM
Replies: 15
Views: 337
Posted By Andrew R Stewart

Well one could swap the rims to the other hubs...

Well one could swap the rims to the other hubs and try test fitting again...

I have had a low spoke tension front wheel cause shudder when braking before. Low enough tension to allow the rim to...
10-24-20, 09:31 PM
Replies: 9
Views: 222
Posted By Andrew R Stewart

We see a lot of home "made/serviced" single/fixed...

We see a lot of home "made/serviced" single/fixed bikes with way too tight a chain. Given the lack of perfectly round cogs and rings this leads to massive forces on the ring hardware (and BB or FW...
10-24-20, 09:28 PM
Replies: 6
Views: 177
Posted By Andrew R Stewart

I suspect the VO rack is made for a caliper with...

I suspect the VO rack is made for a caliper with somewhat different dimensional points (face of arm pivots, width apart of arm pivots and frame mounting bolt) then the Weinman (or Dia Comp, can't...
Forum: Framebuilders
10-24-20, 08:45 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

I joined the top edges of the blades together (a...

I joined the top edges of the blades together (a butt braze) a few days ago, then cut the steerer miter today. I have more details on my Flicker album...
10-24-20, 10:18 AM
Replies: 14
Views: 393
Posted By Andrew R Stewart

I find it rather unhelpful when a poster states...

I find it rather unhelpful when a poster states the bike brand/model with either no link to specs of no listing of specs, especially in this OP's case when he has been asked directly about a spec....
10-23-20, 07:02 PM
Replies: 12
Views: 353
Posted By Andrew R Stewart

I assumed you were talking about cable/rim...

I assumed you were talking about cable/rim calipers. I mix and match my bikes as I need. But they (drop barred bikes) are all Ergo levered. Andy
10-23-20, 06:59 AM
Replies: 3
Views: 191
Posted By Andrew R Stewart

As with a loose ball/cup and cone rear hub? No...

As with a loose ball/cup and cone rear hub? No it's not normal and most likely you're not doing something correctly. Andy
10-23-20, 06:57 AM
Replies: 3
Views: 179
Posted By Andrew R Stewart

The first two brands I think of are Phil and...

The first two brands I think of are Phil and Chris King. But I haven't done the homework to confirm. Andy
10-23-20, 06:56 AM
Replies: 12
Views: 353
Posted By Andrew R Stewart

Generally yes, a 3mm added width should be no...

Generally yes, a 3mm added width should be no issue. BUT if your rims are already at the caliper's limit then even 3mm will be a problem. This we can't say as we don't know enough yet or we are not...
10-22-20, 09:02 PM
Replies: 11
Views: 339
Posted By Andrew R Stewart

JA Stein Tools makes a axle preload device that...

JA Stein Tools makes a axle preload device that can be held in a bench vise for easy access to one side cone/lock nut. Then one can adjust the bearings with the axle compressed (or bowed...) from the...
10-22-20, 08:57 PM
Replies: 5
Views: 164
Posted By Andrew R Stewart

Manufacturing tolerances can be greater then...

Manufacturing tolerances can be greater then threading spec differences (WRT Itl and BSA). However it's generally best to not switch between the two any more then you have to. BTW ISO FW threads have...
10-22-20, 08:52 PM
Replies: 2
Views: 126
Posted By Andrew R Stewart

Good explanation. I'll add that for those who...

Good explanation. I'll add that for those who always soft pedal during front shifting these subtle ring to ring tooth "clockings" are of less importance then those who mash and power through a shift....
10-22-20, 09:34 AM
Replies: 12
Views: 353
Posted By Andrew R Stewart

I have put thousands of miles on my commuter...

I have put thousands of miles on my commuter which (until this last spring) used Campy 1st gen Ergo levers (pointed hood) with Campy NR calipers (from the 1970s) with no issues. But I have rather...
10-22-20, 09:30 AM
Replies: 21
Views: 466
Posted By Andrew R Stewart

I've tied knots in a cable to emulate a cable end...

I've tied knots in a cable to emulate a cable end and then used the adjuster to fine tune der position for a couple of riders over the years. But never resoldered an end back on. Andy
Forum: Framebuilders
10-21-20, 10:03 PM
Replies: 10
Views: 189
Posted By Andrew R Stewart

One way to avoid this mess (MtB and Road mixing)...

One way to avoid this mess (MtB and Road mixing) is to have the builder do the part sourcing and the initial build up. Then it's on her/him to get it right. Andy
10-21-20, 10:00 PM
Replies: 5
Views: 228
Posted By Andrew R Stewart

Shimano uses a number of "odd" to the general...

Shimano uses a number of "odd" to the general world fasteners for their shifter bits. The best source is another Shimano bit found in your LBS spares/old parts boxes. Andy
10-21-20, 09:57 PM
Replies: 7
Views: 223
Posted By Andrew R Stewart

The last photo shows a poorly ended cable casing...

The last photo shows a poorly ended cable casing as it enters the threaded adjuster. Note the cocked casing and it's being a sloppy fit diameter wise to the adjuster. I would have tried to see if a...
10-21-20, 09:48 PM
Replies: 4
Views: 214
Posted By Andrew R Stewart

Not sure I understand the OP's real question. ...

Not sure I understand the OP's real question.

The hub design determines the location of the balls (on both sides) relative to the cassette . The cones have X dimension from their contact point...
10-21-20, 09:35 PM
Replies: 20
Views: 371
Posted By Andrew R Stewart

The part about " I'm now a qualified mechanic"...

The part about " I'm now a qualified mechanic" and "I'm a perfectionist so I need everything to be dialed all the time" is what I picked up on. I'd like to hear back from the OP after a few decades...
10-21-20, 09:25 PM
Replies: 15
Views: 451
Posted By Andrew R Stewart

I always shake my head at this topic. Patch kits...

I always shake my head at this topic. Patch kits are so cheap compared to the cost of not riding:)

Having said that and while agreeing with Stuart's posts most of the time I will say that one can...
10-21-20, 09:14 PM
Replies: 21
Views: 466
Posted By Andrew R Stewart

The ability to adjust cable "tension" (actually...

The ability to adjust cable "tension" (actually the casing length...) is essential to fine tune the shifter/rear der relationship. Having a back up or second device to do this isn't wrong. Those who...
10-21-20, 07:40 AM
Replies: 15
Views: 686
Posted By Andrew R Stewart

The basic issue with this fork is that the canti...

The basic issue with this fork is that the canti posts are (were?) too close together for the rim width and the thickness of the pads. One attempt of a solution I've done in the past is to grind down...
Forum: Framebuilders
10-20-20, 07:15 PM
Replies: 8
Views: 338
Posted By Andrew R Stewart

I have two comments- First is that I don't think...

I have two comments- First is that I don't think this damage is of any great concern, as long as that child seat is removed. (As in the loading that wasn't designed into the frame is stopped). Sure a...
10-20-20, 07:04 PM
Replies: 4
Views: 233
Posted By Andrew R Stewart

This is a big assumption. More to the point the...

This is a big assumption. More to the point the face of the ring, that mates to the crank arm's tab face, dimension from the teeth's center plane can be different from brand or model to brand or...
10-20-20, 06:58 PM
Replies: 4
Views: 214
Posted By Andrew R Stewart

Given that the frame's stays look to have some...

Given that the frame's stays look to have some relief on their drop out ends and that it's cost effective manufacturing to share the same base structures over differing models I suspect you'll find...
10-19-20, 07:33 AM
Replies: 4
Views: 214
Posted By Andrew R Stewart

Where are you located? Or more to my point, Do...

Where are you located? Or more to my point, Do you know where this bike was made/first sold?

Reason I ask is the band brake being a common device for the Asian markets. I've seen many dual...
10-18-20, 09:09 PM
Replies: 4
Views: 161
Posted By Andrew R Stewart

Axles usually don't require replacement when the...

Axles usually don't require replacement when the cone is the problem. Sometimes when the replacement cone is only available within an axle set the axle (and other cone) do get replaced too. If the...
10-18-20, 03:21 PM
Replies: 7
Views: 416
Posted By Andrew R Stewart

Perhaps the second handle bar wasn't of the...

Perhaps the second handle bar wasn't of the correct diameter and the lever clamp wasn't designed to tighten onto that diameter? Andy
10-18-20, 03:17 PM
Replies: 6
Views: 232
Posted By Andrew R Stewart

How does the der attach to the drop out? Direct...

How does the der attach to the drop out? Direct to a tab that's part of the drop out or with a separate plate (the "claw")? Most every 6,6,8 cog der will be able to also handle a 5 cog freewheel....
10-18-20, 09:37 AM
Replies: 4
Views: 133
Posted By Andrew R Stewart

Cartridge bearings can spin smoothly yet still...

Cartridge bearings can spin smoothly yet still have excessive end play. Those QR skewers suffer from the reduced clamping pressure all exposed units do. Maybe trying an internal cam style before...
Forum: Framebuilders
10-18-20, 09:33 AM
Replies: 4
Views: 236
Posted By Andrew R Stewart

A few comments- Steep seat tubes and Brooks...

A few comments- Steep seat tubes and Brooks saddles don't play nice sometimes as the leather Brooks saddles tend to sit somewhat further forward then most other saddles do. Additionally a hips...
10-18-20, 09:18 AM
Replies: 3
Views: 164
Posted By Andrew R Stewart

If the wheel/rear hub is a cassette design then I...

If the wheel/rear hub is a cassette design then I strongly doubt it's a 5 speed cog set. If the hub is a freewheel design then most likely it is compatible with the vast number of spacers your LBS...
10-18-20, 09:12 AM
Replies: 4
Views: 133
Posted By Andrew R Stewart

I suspect fresh bearings would change the end...

I suspect fresh bearings would change the end play. What type of QR skewer are you using? Exposed cam or the older enclosed design? Andy
Forum: Framebuilders
10-18-20, 08:10 AM
Replies: 12
Views: 393
Posted By Andrew R Stewart

This bike will use disk brakes. I agree with the...

This bike will use disk brakes. I agree with the current trend to fatter tires, I predict skinnier will once again become fashion in 5+ years:) Andy
10-17-20, 08:20 PM
Replies: 21
Views: 864
Posted By Andrew R Stewart

It's the square drive (ratchet) that makes these...

It's the square drive (ratchet) that makes these useful with newer bikes that want specific torque control. Otherwise I would pass. Andy
10-17-20, 08:18 PM
Replies: 4
Views: 204
Posted By Andrew R Stewart

Agreed that the new generation of Shimano ft ders...

Agreed that the new generation of Shimano ft ders need fairly high cable tension. Doing what primov8 says is one way to end up with a tight cable. Is there a cable adjusting device in the system? Andy
Forum: Framebuilders
10-17-20, 06:57 PM
Replies: 34
Views: 1,475
Posted By Andrew R Stewart

So this is drifting to what's a trade. Doing the...

So this is drifting to what's a trade. Doing the same process all day? If we can call framebuilding a trade (beware arguments that start with a qualifier...) and if we then ask a builder how much...
Forum: Framebuilders
10-17-20, 06:46 PM
Replies: 12
Views: 393
Posted By Andrew R Stewart

A Long Time Coming

My first MtB frame and fork begins in earnest, after about 45 years of thinking about building one. Dual rigid, 650B by 2.5/2,6 wheels. This build will go slowly as there's a lot I still have yet to...
Showing results 1 to 50 of 1000
 


 
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