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Search: Posts Made By: unterhausen
Showing results 1 to 50 of 1000
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Replies: 8
Views: 343
Posted By unterhausen

I think it's too late to do anything other than a...

I think it's too late to do anything other than a 300, and I don't really think that's necessary. A 200 might be good practice. You might be a bit miserable on the second day. I always feel like...
Forum: Framebuilders
07-10-20, 05:43 AM
Replies: 6
Views: 159
Posted By unterhausen

I would say wait for an Anvil to show up, but...

I would say wait for an Anvil to show up, but it's really made for cantilevers. Using it for centerpulls means you have to turn the top part upside-down, which is less than ideal. And it sure would...
Forum: Framebuilders
07-10-20, 05:40 AM
Replies: 3
Views: 100
Posted By unterhausen

I suggest cutting the tube to length post-bend. ...

I suggest cutting the tube to length post-bend. In an earlier life, there was a tubing manufacturer that refused to do this and the tubes were never right. We eventually didn't allow him to bid on...
07-10-20, 02:26 AM
Replies: 8
Views: 191
Posted By unterhausen

Clicking is almost never in the drivetrain...

Clicking is almost never in the drivetrain components. Saddle and cleats are two very common sources of clicks.
Forum: Framebuilders
07-09-20, 06:48 PM
Replies: 10
Views: 492
Posted By unterhausen

Well, that's sheared in the colloquial sense, but...

Well, that's sheared in the colloquial sense, but it's the result of a fatigue crack from the bending loads. Clearance dimples have led to many fatigue cracks in chain stays. Chrome probably didn't...
07-09-20, 03:31 PM
Replies: 14
Views: 343
Posted By unterhausen

I can't imagine being outraged that the derny...

I can't imagine being outraged that the derny doesn't stink. I can see missing the noise.
Forum: Framebuilders
07-09-20, 02:21 PM
Replies: 3
Views: 100
Posted By unterhausen

For a production bike, I would say the order of...

For a production bike, I would say the order of bending and notching doesn't matter. For one-off bikes, I would bend first, notch second

Sorry I can't help with the aluminum
07-09-20, 04:34 AM
Replies: 183
Views: 11,068
Posted By unterhausen

the few guys left that are building aluminum...

the few guys left that are building aluminum frames don't charge any more for them than a typical steel builder. There are aluminum alloys that don't require post-weld heat treating.
Forum: Framebuilders
07-09-20, 03:24 AM
Replies: 20
Views: 449
Posted By unterhausen

I don't know why people are so quick to complain...

I don't know why people are so quick to complain about a framebuilder expecting to be paid. This builder is probably under-charging for the cheap tubing as opposed to over-charging for the expensive...
07-08-20, 07:56 PM
Replies: 1,004
Sticky Banned Users
Views: 402,039
Posted By unterhausen

nob -- permanent, posting spam

nob -- permanent, posting spam
Forum: Framebuilders
07-08-20, 05:15 PM
Replies: 9
Views: 245
Posted By unterhausen

there is very little wiggle, unless you are...

there is very little wiggle, unless you are willing to have a huge gap. Which doesn't seem like a good idea to me. I decided to wimp out and go with IS mounts and TA dropouts with the regular s-bend...
Replies: 57
Views: 6,400
Posted By unterhausen

I am convinced a subcompact double crank is the...

I am convinced a subcompact double crank is the way to go on a rando bike. I guess because I know maybe 10 randonneurs that can actually push a 53-11 for any length of time. A 46-11 is a really...
07-08-20, 08:30 AM
Replies: 40
Views: 1,172
Posted By unterhausen

When I was much younger, and hadn't been riding...

When I was much younger, and hadn't been riding much for a few years, I got caught by a shop ride. It was fun to hang with them for a while, and then I started going to the shop for the start. The...
07-07-20, 08:45 PM
Replies: 18
Views: 880
Posted By unterhausen

Beautiful. We have very few views in this area. ...

Beautiful. We have very few views in this area. Have to cut down too many trees
Forum: Framebuilders
07-07-20, 07:01 PM
Replies: 4
Views: 125
Posted By unterhausen

DoradoJim: welcome to the forum. All the...

DoradoJim: welcome to the forum. All the CoMotion frames I have seen have been competently built. What do you want to do with the frame?
Forum: Framebuilders
07-07-20, 05:47 PM
Replies: 54
Views: 9,349
Posted By unterhausen

Boluker: welcome to the forum, where do you live?

Boluker: welcome to the forum, where do you live?
Forum: Framebuilders
07-06-20, 06:56 PM
Replies: 9
Views: 245
Posted By unterhausen

There are some pictures of part of the columbus...

There are some pictures of part of the columbus flat mount stays in this post. I can take more pictures if you want
https://www.bikeforums.net/21552828-post36.html
Forum: Framebuilders
07-06-20, 02:45 PM
Replies: 9
Views: 245
Posted By unterhausen

I have some, but I haven't decided what to do...

I have some, but I haven't decided what to do with them yet. I don't like that they are so tall. Also, the crimp for the mounts is rather crude. I only got them because I like the bend. The...
Forum: Framebuilders
07-05-20, 12:55 PM
Replies: 15
Views: 275
Posted By unterhausen

you're right, I just saw how it broke and was...

you're right, I just saw how it broke and was thinking there was part of it that wasn't brazed at the external seam. From an engineering/process perspective, that seems like a crummy way to make a...
Forum: Framebuilders
07-05-20, 10:16 AM
Replies: 15
Views: 275
Posted By unterhausen

pretty interesting. So the dropout connection...

pretty interesting. So the dropout connection wasn't very good after all. I haven't looked at enough more recent treks to have seen that style of stay end. I'm surprised they didn't look for...
Forum: Framebuilders
07-04-20, 07:12 PM
Replies: 4
Views: 153
Posted By unterhausen

It's a fatigue crack, they go whichever direction...

It's a fatigue crack, they go whichever direction is easiest.

I have to say I have never seen a failure there.

There are plenty of examples of broken Ti. Usually there is some kind of a...
Forum: Framebuilders
07-04-20, 02:15 PM
Replies: 15
Views: 275
Posted By unterhausen

I was guessing the light side was the top. Just...

I was guessing the light side was the top. Just easier to do the bottom. Could have used a bit more filler, but this looks like whoever did it knew what they were doing
Forum: Framebuilders
07-04-20, 11:50 AM
Replies: 15
Views: 275
Posted By unterhausen

the other side would be interesting. I have a...

the other side would be interesting. I have a frame where someone cut off the nds dropout. I am going to cut the other one off and check it.

When I was there, the stays and dropout were brazed...
Forum: Framebuilders
07-04-20, 09:45 AM
Replies: 15
Views: 275
Posted By unterhausen

I expect that the number of brazed dropouts that...

I expect that the number of brazed dropouts that would be solid filler at the point where (I imagine) the OP cut the stay is pretty low. In fact, this one has penetration pretty far into the tube,...
07-04-20, 07:55 AM
Replies: 8
Views: 469
Posted By unterhausen

I rode gravel for a year on 30mm tires and got 20...

I rode gravel for a year on 30mm tires and got 20 flats. YMMV, depending on the nature of your gravel. The issue around here is there are some giant embedded rocks and you will inevitably hit them...
Forum: Framebuilders
07-04-20, 07:51 AM
Replies: 5
Views: 173
Posted By unterhausen

Back when people were building more single speed...

Back when people were building more single speed bikes, this was a big decision people had to go through. I think a lot of builders did a couple of eccentrics and then got tired of the creaking...
Forum: Framebuilders
07-04-20, 07:44 AM
Replies: 15
Views: 275
Posted By unterhausen

What's the other side look like? I'm having...

What's the other side look like? I'm having trouble telling how far into the tube that is. I'm sure they have had the occasional failure there, a lot of the people doing brazing were relatively...
07-04-20, 07:33 AM
Replies: 4
Views: 298
Posted By unterhausen

Welcome to the forum. Were his handlebars at fork...

Welcome to the forum. Were his handlebars at fork level? Mountain bikers will occasionally ride holding on to the fork crown to get more aero. And there have been bikes built with handlebars at the...
07-03-20, 08:49 PM
Replies: 64
Views: 11,331
Posted By unterhausen

I've never checked cpu usage when using garmn...

I've never checked cpu usage when using garmn express. But I don't leave it running
on edit: you're right, it's a hog. I think it might have been using most of a core. Wow, just looked again and...
07-03-20, 12:37 PM
Replies: 53
Views: 2,185
Posted By unterhausen

Depends on how long a ride takes me. There are...

Depends on how long a ride takes me. There are some short rides around here that are just a climb up a mountain, and I probably would eat on a 25 mile ride. Generally I wouldn't though, I usually...
07-03-20, 11:09 AM
Replies: 5
Views: 254
Posted By unterhausen

I have 2 bikes with centerlock on one wheel and 6...

I have 2 bikes with centerlock on one wheel and 6 bolt on the other.
07-03-20, 06:26 AM
Replies: 45
Views: 1,453
Posted By unterhausen

There are many different types of bike thief. ...

There are many different types of bike thief. One just steals to ride the bike home from the bar. So any bike with air in the tires will do. Some just steal to get a few bucks, so just about any...
Forum: Framebuilders
07-01-20, 02:03 PM
Replies: 8
Views: 274
Posted By unterhausen

I don't think it will matter. If it labels top...

I don't think it will matter. If it labels top or bottom, they will be upside-down if you do it wrong.
07-01-20, 07:32 AM
Replies: 8
Views: 344
Posted By unterhausen

I have had an extra wheelset since I got my...

I have had an extra wheelset since I got my gravel bike. What I found was that I would either ride with the road tires or the gravel tires, so there wasn't much reason to have two sets of wheels...
07-01-20, 06:48 AM
Replies: 15
Views: 550
Posted By unterhausen

I have an Osprey, and I think the design does a...

I have an Osprey, and I think the design does a fairly good job of keeping my back cooler than one would expect with a backpack. I find it fairly uncomfortable though, trying to get used to it...
06-30-20, 09:34 AM
Replies: 27
Views: 2,370
Posted By unterhausen

I have had a Spot tracker for years, and I think...

I have had a Spot tracker for years, and I think if I were to buy now, I would go with the garmin.
Forum: Framebuilders
06-30-20, 07:27 AM
Replies: 3
Views: 177
Posted By unterhausen

On the frame I mentioned, a 27.2 appeared to fit....

On the frame I mentioned, a 27.2 appeared to fit. The end of the tube was not a cylinder. The problem was that the part that was 27.2 was not the first bit in the lug, so a 27.2 would slip when...
06-30-20, 07:18 AM
Replies: 197
Views: 9,248
Posted By unterhausen

I know people that ride extremely long distances...

I know people that ride extremely long distances on platform pedals, a.k.a. "infinite float." I have had problems with them. One time I noticed my knees were hurting and realized it was because I...
Forum: Framebuilders
06-29-20, 09:30 PM
Replies: 7
Views: 262
Posted By unterhausen

I don't have any experience straightening...

I don't have any experience straightening unicrown forks. My first response is to be hesitant. I don't think the steerer is bent, or the headset wouldn't be smooth. I would look at the top of the...
06-29-20, 09:23 PM
Replies: 67
Views: 2,687
Posted By unterhausen

I think we've exhausted this subject pretty well....

I think we've exhausted this subject pretty well. Sorry this was the OP's introduction to the forum.
Closed
06-29-20, 07:02 PM
Replies: 26
Views: 973
Posted By unterhausen

Moved here from the main CnV forum

Moved here from the main CnV forum
Forum: Framebuilders
06-29-20, 10:36 AM
Replies: 3
Views: 177
Posted By unterhausen

probably the most appropriate tool for that is a...

probably the most appropriate tool for that is a telescoping hole gauge and a micrometer or a caliper. I bought a Chinese set thinking that Starrett can't be all that much better, but I ended up...
06-28-20, 11:04 AM
Replies: 12
Views: 275
Posted By unterhausen

I have had a lot more of a problem with them not...

I have had a lot more of a problem with them not heating because of lack of oxygen as opposed to getting too hot. I prefer not to have them in close contact with skin.
06-28-20, 08:14 AM
Replies: 18
Views: 599
Posted By unterhausen

I stopped to offer help one time and it turned...

I stopped to offer help one time and it turned out the motorist was getting water at the spring I can never find. So it was a two-fer, got to feel good about myself and also got water.

I offered...
06-27-20, 02:09 PM
Replies: 5
Views: 362
Posted By unterhausen

I would go for a wider rim. It would work though

I would go for a wider rim. It would work though
Forum: Framebuilders
06-27-20, 11:28 AM
Replies: 12
Views: 454
Posted By unterhausen

I saw a butt checker that's just a rod with a...

I saw a butt checker that's just a rod with a ball bearing brazed into it at the end. indicator stand sits on the bench and put the rod in a vise.
Forum: Framebuilders
06-27-20, 11:25 AM
Replies: 6
Views: 260
Posted By unterhausen

I am pretty sure you are going to crack the frame.

I am pretty sure you are going to crack the frame.
06-27-20, 11:24 AM
Replies: 183
Views: 11,068
Posted By unterhausen

I don't think it's correct to make a blanket...

I don't think it's correct to make a blanket statement that CF is cheaper to manufacture than steel. The cheapest bikes are steel. There are some really inexpensive carbon forks, but they are quite...
06-27-20, 08:15 AM
Replies: 50
Views: 1,506
Posted By unterhausen

I haven't seen that particular crown design...

I haven't seen that particular crown design either, but I don't think that crown detail was touched by human hands. There were lots of crowns made in that time frame that we didn't see here in the...
Showing results 1 to 50 of 1000
 


 
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