Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

Notices
 
Search: Posts Made By: guy153
Showing results 1 to 50 of 1000
Search took 0.42 seconds.
Forum: Framebuilders
10-02-22, 06:56 PM
Replies: 5
Views: 204
Posted By unterhausen

You need to free your mind and realize that it's...

You need to free your mind and realize that it's the bb shell and the rear triangle that are off. Okay, it doesn't really matter what is off, but it does matter what you can do about it. On most...
Forum: Framebuilders
10-02-22, 05:11 PM
Replies: 5
Views: 204
Posted By dsaul

Flip it over and measure from the other face of...

Flip it over and measure from the other face of the BB shell. I'd bet that you come up with a different result. BB facing tools don't produce a perfectly perpendicular face and thousandths at the...
Forum: Framebuilders
10-02-22, 02:46 PM
Replies: 5
Views: 204
Posted By unterhausen

How are you measuring the 4mm? Tbh, 4mm is not a...

How are you measuring the 4mm? Tbh, 4mm is not a lot. It's not internet bragging rights straight, but ridable.

Everything is relative. I would not want to align a front triangle in a completed...
Forum: Framebuilders
10-02-22, 09:18 AM
Replies: 5
Views: 208
Posted By Doug Fattic

My guess is that the seat tube to bottom bracket...

My guess is that the seat tube to bottom bracket shell is 3/4th brazed around but not where the crack is located. This is an example to young and impressionable builders to not braze this joint in a...
Forum: Framebuilders
10-02-22, 06:15 AM
Replies: 5
Views: 208
Posted By unterhausen

The crack on the drive side of the bb shell at...

The crack on the drive side of the bb shell at the seat tube. It's probably the most likely failure point on a lugged bike that was brazed by someone that didn't want to be late for lunch.

Dave...
Forum: Framebuilders
10-01-22, 06:01 AM
Replies: 3
Views: 209
Posted By dsaul

I don't see any reason why they can't be welded...

I don't see any reason why they can't be welded together. I found some info from a manufacturer of T45 tubing that recommends A32 filler wire, which is ER80s2 in the US, for welding it. I would use...
Forum: Framebuilders
09-28-22, 08:49 PM
Replies: 11
Views: 272
Posted By bulgie

Yep, you did the right thing! I got in...

Yep, you did the right thing!

I got in trouble once for pointing out a fatigue crack. It was at some organized meet, I forget what but not a race, Seattle-To-Portland or a century or some such. ...
Forum: Framebuilders
09-28-22, 07:00 PM
Replies: 11
Views: 272
Posted By unterhausen

Waterford apparently had a problem with this kind...

Waterford apparently had a problem with this kind of fastback because I have seen 4 of their bikes with this style and 2 of them were cracked. I looked at one in the hotel bike storage room before...
Forum: Framebuilders
09-27-22, 05:59 PM
Replies: 16
Views: 333
Posted By Robvolz

Box of FUN!!

I posted this in the classic and vintage section, people did not geek...
Forum: Framebuilders
09-27-22, 03:46 PM
Replies: 11
Views: 272
Posted By Trainbike

Small crack in seat cluster

Hello! I'm in the middle of restoring this beautiful 1975 Colin Laing touring bike. I found a small crack where the right hand seat stay is brazed onto the seat tube lug. The crack seems contained to...
Forum: Framebuilders
09-24-22, 08:51 PM
Replies: 5
Views: 222
Posted By unterhausen

Trail as we usually talk about it is the distance...

Trail as we usually talk about it is the distance along the ground between the steering axis and the contact point of the tire. Mechanical trail is the shortest distance from the steering axis to the...
Forum: Framebuilders
09-24-22, 09:42 AM
Replies: 4
Views: 216
Posted By JohnDThompson

Gipiemme:

Gipiemme:
Forum: Framebuilders
09-21-22, 11:52 AM
Replies: 14
Views: 409
Posted By SJX426

Since you made the decision already, this option...

Since you made the decision already, this option is mute.
Cross the cables. Reduces housing bend and clears the HT. Need to make sure the cross over under the DT clears the tube....
Forum: Framebuilders
09-21-22, 06:49 AM
Replies: 27
Views: 1,174
Posted By unterhausen

That looks good

That looks good
Forum: Framebuilders
09-21-22, 06:44 AM
Replies: 27
Views: 1,174
Posted By SJX426

Update: Decided to solder a wire (SS) to the...

Update:
Decided to solder a wire (SS) to the screen (SS). I happen to have the right flux and solder. I let the wire protrude about a diameter on the other side of the screen and soldered it...
Forum: Framebuilders
09-18-22, 10:48 PM
Replies: 14
Views: 409
Posted By duanedr

There are several ways to skin that cat. There...

There are several ways to skin that cat. There are cable guide loops that can be put on the headtube to contain the cable run or a section of a stainless spoke silver brazed along the side will keep...
Forum: Framebuilders
09-14-22, 09:18 PM
Replies: 14
Views: 409
Posted By duanedr

This is why I don't like them on the head tube. ...

This is why I don't like them on the head tube. It seems the angle when the bars turn cause failure at the ferrules after a season or two.
Forum: Framebuilders
09-13-22, 11:50 PM
Replies: 14
Views: 409
Posted By unterhausen

All I can say is that I put downtube shifter...

All I can say is that I put downtube shifter bosses on my frames even though they aren't going to have downtube shifters on them.
Forum: Framebuilders
09-13-22, 07:06 PM
Replies: 32
Views: 912
Posted By Mark Beaver

Back in the dark ages, Cannondale’s original...

Back in the dark ages, Cannondale’s original bikes did not have replaceable hangers, and many bikes suffered the same fate as this one.

Cannondale made a special bolt-on hanger as a fix. You...
Forum: Framebuilders
09-08-22, 01:48 PM
Replies: 32
Views: 912
Posted By unterhausen

I don't think it would make a good fixed gear...

I don't think it would make a good fixed gear bike because you would need to take up slack somehow and the hangar is your only choice with vertical dropouts.
Forum: Framebuilders
09-07-22, 08:21 PM
Replies: 32
Views: 912
Posted By bulgie

I got an 80 ft^3 tank some years ago and it's...

I got an 80 ft^3 tank some years ago and it's adequate for my level of farting around, but looking at prices now it appears the 125 ft^3 tank is hardly any more expensive = better buy. Especially if...
09-07-22, 05:24 PM
Replies: 55
Views: 1,542
Posted By AnthonyG

Standing with BOTH feet on the ground over a...

Standing with BOTH feet on the ground over a bicycle, while waiting for traffic, is something that I have never, ever, ever, ever done.
One foot clipped in always.
You can do things you're way if...
Forum: Framebuilders
09-06-22, 11:34 AM
Replies: 32
Views: 912
Posted By dsaul

That is a very nice machine and Primeweld has a...

That is a very nice machine and Primeweld has a pretty good reputation for customer service.
Forum: Framebuilders
09-06-22, 10:37 AM
Replies: 32
Views: 912
Posted By unterhausen

Thanks, I was trying to remember who had...

Thanks, I was trying to remember who had recommended a welder here. The one I have my eye on right now is the Primeweld TIG225X as discussed recently on the framebuilder's list.

Mostly to do...
Forum: Framebuilders
09-06-22, 07:49 AM
Replies: 32
Views: 912
Posted By dsaul

I've been very happy with my AHP AlphaTIG welder....

I've been very happy with my AHP AlphaTIG welder. The 225 is currently $750 and does AC/DC, hi-frequency pulse, come with a nice foot pedal and runs on either 120 or 240 volts. You'll have to get a...
Forum: Framebuilders
09-06-22, 06:46 AM
Replies: 32
Views: 912
Posted By JohnDThompson

It's an epoxy-bonded aluminum dropout, and it...

It's an epoxy-bonded aluminum dropout, and it pre-dates replaceable derailleur hangers.
Forum: Framebuilders
09-05-22, 10:58 PM
Replies: 32
Views: 912
Posted By djordan

PS - what the bike looks like - and the juncture...

PS - what the bike looks like - and the juncture of the aluminum and carbon fiber tubes...
...
Forum: Framebuilders
09-05-22, 07:59 PM
Replies: 32
Views: 912
Posted By bulgie

I found Ti to be pretty easy to learn, coming...

I found Ti to be pretty easy to learn, coming from pretty much brazing-only prior experience. I did take a Ti class from Gary Helfrich, which definitely shortens the learning period because you don't...
Forum: Framebuilders
09-05-22, 07:41 PM
Replies: 32
Views: 912
Posted By bulgie

Maybe show it to Dave Levy at Ti Cycles. I've...

Maybe show it to Dave Levy at Ti Cycles. I've seen him do some pretty nice welding in alu, tho of course his bread'n'butter is Ti. He's smart and conscientious and knows bikes better than your...
Forum: Framebuilders
09-05-22, 04:02 PM
Replies: 32
Views: 912
Posted By djordan

Really appreciate everyone's input here…looking...

Really appreciate everyone's input here…looking like this bike might survive after all...




AC/DC TIG Welding. That sounds like the plan! Thanks for the encouragement, Guy!



Agree. The...
Forum: Framebuilders
09-05-22, 02:54 PM
Replies: 32
Views: 912
Posted By djordan

All good, bulgie! I appreciate your eagerness to...

All good, bulgie! I appreciate your eagerness to help and the quick response!
Forum: Framebuilders
09-05-22, 08:25 AM
Replies: 32
Views: 912
Posted By Andrew R Stewart

The early Trek Al frames didn't have a...

The early Trek Al frames didn't have a replaceable hanger. That was one of the "deal killers" in my mind, back then.

Very few framebuilders work in Al. But they shouldn't be too hard to at least...
Forum: Framebuilders
09-05-22, 06:05 AM
Replies: 32
Views: 912
Posted By dsaul

The 1992 Trek catalog doesn't say what alloy the...

The 1992 Trek catalog doesn't say what alloy the stays are made from, but it doesn't matter that much on a non structural component like this. 5356 filler will work with 7005 and 6061 alloys. The...
Forum: Framebuilders
09-05-22, 03:52 AM
Replies: 32
Views: 912
Posted By bulgie

I just deleted two posts where I said dumb...

I just deleted two posts where I said dumb things.
When I said "never buy aluminum frames", that was meant as a joke. But even if you get that I'm joking, it's not funny, so Fail either way.
Fact...
Forum: Framebuilders
09-04-22, 06:47 PM
Replies: 33
Views: 2,002
Posted By Andrew R Stewart

I'm still chipping away at this frame project. It...

I'm still chipping away at this frame project. It now is a BSO. Here are some shots
...
Forum: Framebuilders
08-26-22, 10:28 AM
Replies: 6
Views: 363
Posted By dsaul

All of the force from braking is concentrated at...

All of the force from braking is concentrated at the front edge of the post mount and that force is very likely to crack the seat stay at the weld joint. The bridge transfers that load to the...
Forum: Framebuilders
08-26-22, 09:44 AM
Replies: 6
Views: 363
Posted By ciquta

At least here in EU the post mount it far more...

At least here in EU the post mount it far more popular now. However the fork is post mount, i don't see why not going the same at the rear.

This is the 3rd frame I'm building with same specs...
Forum: Framebuilders
08-26-22, 09:08 AM
Replies: 6
Views: 363
Posted By dsaul

It would be better to use a "flat mount" on the...

It would be better to use a "flat mount" on the chainstay, since most road and gravel groups come with flat mount calipers. If the builder is still using "post mount" caliper mounts, then a bridge...
Forum: Framebuilders
08-25-22, 04:13 PM
Replies: 6
Views: 347
Posted By bulgie

"Edit" button isn't working for me, so just let...

"Edit" button isn't working for me, so just let me correct a typo. In the last paragraph where I wrote "Ano" I meant "Anco" as in Ancotech.

Also should add, I used Reynolds' first attempt ('95)...
Forum: Framebuilders
08-25-22, 04:01 PM
Replies: 6
Views: 347
Posted By bulgie

Passoni in Italy used to make their own tapered...

Passoni in Italy used to make their own tapered Ti stays and forks by wrapping sheet around a tapered mandrel and welding the seam. More or less "by hand" one at a time. Seemed like an insane amount...
Forum: Framebuilders
08-25-22, 03:07 PM
Replies: 5
Views: 293
Posted By bulgie

Any material is fine if done right. Mostly that...

Any material is fine if done right. Mostly that just means a liberal application of grease or anti-seize compound. Anti-seize is better but messier; I've used grease for decades with no problems. ...
08-24-22, 09:21 AM
Replies: 55
Views: 1,542
Posted By Clyde1820

Some medical issues (injuries) simply cannot be...

Some medical issues (injuries) simply cannot be sidestepped with just leaning it to the side. I've got one such. Makes it extremely difficult to hike a leg over the thing (getting either on or...
08-23-22, 04:18 AM
Replies: 55
Views: 1,542
Posted By Chilik

thank you:)

thank you:)
Forum: Framebuilders
08-22-22, 01:06 PM
Replies: 10
Views: 648
Posted By niknak

I think the Cobra frame jig looks great. I would...

I think the Cobra frame jig looks great. I would have bought one if it was available when I was frame jig shopping.
- optional plumbing for TIG weld backpurging
- ability to hold and locate seat...
Forum: Framebuilders
08-22-22, 07:24 AM
Replies: 8
Views: 371
Posted By unterhausen

I think maybe you should just bypass the oxygen...

I think maybe you should just bypass the oxygen side for concentrator use.

I have an old, ragged looking gas saver that I'm afraid to use. I have always wondered if I could get a rebuild kit for...
Forum: Framebuilders
08-22-22, 06:26 AM
Replies: 10
Views: 648
Posted By bulgie

And that guy is Gary Helfrich, correct? I mean I...

And that guy is Gary Helfrich, correct? I mean I don't know for sure that Gary designed the jig, but for a long time Arctos was a one-man operation consisting of just Gary. He's maybe better known as...
08-22-22, 06:23 AM
Replies: 35
Views: 1,083
Posted By rbrides

The people have spoken! common sense has...

The people have spoken!
common sense has prevailed!

thanks folks!
08-21-22, 07:35 PM
Replies: 55
Views: 1,542
Posted By koala logs

Yea, I also told OP to get longer fork. He...

Yea, I also told OP to get longer fork. He doesn't seem to care about that solution maybe because the frame already accounts for offset or long travel suspension forks.

Anyway, KOPS does have...
08-17-22, 10:50 AM
Replies: 55
Views: 1,542
Posted By GhostRider62

I would run from any framebuilder who does not...

I would run from any framebuilder who does not understand a very steep STA puts more weight into your torso and onto hands

Think of the opposite of a steep STA, say around 20 degrees. There is...
Forum: Framebuilders
08-17-22, 04:19 AM
Replies: 6
Views: 419
Posted By dsaul

Never use 4130 filler to weld 4130 bike frames. ...

Never use 4130 filler to weld 4130 bike frames. ER70S2 is fine, but ER312 stainless filler is better. As, mentioned, those mounts should be brazed on and can be removed with heat or ground/filed...
Showing results 1 to 50 of 1000
 


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright © 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.