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Search: Posts Made By: duanedr
Showing results 1 to 50 of 78
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Forum: Framebuilders
01-19-23, 09:34 PM
Replies: 20
Views: 643
Posted By duanedr

My first few were done without fixtures other...

My first few were done without fixtures other than Paragon tube blocks and a pretty flat surface. I think tube blocks are very helpful as reference points. I think starting with a track/single...
Forum: Framebuilders
12-30-22, 09:44 PM
Replies: 18
Views: 580
Posted By duanedr

I might contact the suppliers (Nova, Bike Fab,...

I might contact the suppliers (Nova, Bike Fab, Framebuilders Supply etc). They would likely know builders in your area. I can't imagine there aren't a few in So Cal.
Forum: Framebuilders
12-30-22, 12:59 PM
Replies: 19
Views: 416
Posted By duanedr

If a shop/builder has the right reamers, they...

If a shop/builder has the right reamers, they likely won't want to mix their steel reamers with Ti reamers (or vice versa) . You mention 'the solid section' is that in the center? Pictures would...
Forum: Framebuilders
11-02-22, 06:55 PM
Replies: 15
Views: 710
Posted By duanedr

No reason. I was at the rear and I'm...

No reason. I was at the rear and I'm right-handed. In other words, no method to my madness.
Forum: Framebuilders
10-30-22, 12:06 PM
Replies: 15
Views: 710
Posted By duanedr

Yes, the tap had to flex a tiny bit to get the...

Yes, the tap had to flex a tiny bit to get the handle past the seat stay on the other side and I knew as I attempted the next turn that my toes were dangling dangerously over the edge. Sure enough......
Forum: Framebuilders
10-30-22, 10:23 AM
Replies: 15
Views: 710
Posted By duanedr

Reamed, slotted and tapp...ARGH!!

I'm putting the finishing machining touches on a gravel bike that will take a 31.6 dropper - hence the two binders. Droppers like big bands of low-pressure clamping. I was able to get the seat tube...
Forum: Framebuilders
10-29-22, 04:44 PM
Replies: 25
Views: 871
Posted By duanedr

I'd guess $50-100 would be typical. It's one of...

I'd guess $50-100 would be typical. It's one of the easier repairs. Cut as much away as you can and then grind the existing tube out of the lugs so that a new HT will slide in and then use silver...
Forum: Framebuilders
10-13-22, 12:47 AM
Replies: 16
Views: 774
Posted By duanedr

"My old tandem frame design spreadsheet had a...

"My old tandem frame design spreadsheet had a field for e, " How many people in the world, EVER, could start a sentence with that?!
Forum: Framebuilders
09-30-22, 11:03 AM
Replies: 16
Views: 668
Posted By duanedr

Happy to have you! Hahn did a Fusion session a...

Happy to have you! Hahn did a Fusion session a couple years ago that Alistair and I went to. I have yet to figure out how to create a box.

Referring back to another thread, too many ideas and...
Forum: Framebuilders
09-18-22, 10:48 PM
Replies: 14
Views: 633
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: 633
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
09-11-22, 01:41 PM
Replies: 24
Views: 1,449
Posted By duanedr

Agreed, when wall thickness is changed the ride...

Agreed, when wall thickness is changed the ride will change. But that's not what we're talking about - he says 'grade'. Uno 858 tube will ride like a Zero 858 tube all else equal. Zero is stronger...
Forum: Framebuilders
08-22-22, 01:04 AM
Replies: 10
Views: 920
Posted By duanedr

It rubs me the wrong way that you refer to it as...

It rubs me the wrong way that you refer to it as "by Tanner W". He just published instructions on how he copied someone else's design and didn't really add any value or innovation. Credit should go...
Forum: Framebuilders
08-13-22, 10:43 AM
Replies: 34
Views: 2,874
Posted By duanedr

Looking great Andrew. It looks like you're...

Looking great Andrew. It looks like you're putting some blood and sweat into these! ...
Forum: Framebuilders
07-20-22, 04:09 PM
Replies: 27
Views: 1,851
Posted By duanedr

I don't think I would have taken the risk of...

I don't think I would have taken the risk of breaking whatever you used to try to bend it back. With the kink in the chainstay it was never going to work. If you took parts off it, you got your...
Forum: Framebuilders
07-20-22, 12:18 AM
Replies: 27
Views: 1,851
Posted By duanedr

The whole rear end looks twisted to the left. If...

The whole rear end looks twisted to the left. If it was mine, I'd grind off the rear triangle and just replace it all. I'd probably reinforce the top of the ST where the stays meet it as well -...
Forum: Framebuilders
07-19-22, 08:54 AM
Replies: 13
Views: 1,127
Posted By duanedr

Here I used a hack saw and then cleaned one up...

Here I used a hack saw and then cleaned one up with a wheel - the slot is a bit wider on that one. I don't really like the wheel method because of the dust and noise of the air tool and the...
Forum: Framebuilders
07-18-22, 09:24 AM
Replies: 13
Views: 1,127
Posted By duanedr

Quick update Two of the stems are complete...

Quick update
Two of the stems are complete aside from a little more fillet finishing.

I'm not super happy with how I cut the angle on the bottom of the quill to fit the wedge. It all ends up...
Forum: Framebuilders
07-05-22, 07:30 AM
Replies: 2
Views: 691
Posted By duanedr

Sounds like a fun project! a few things come to...

Sounds like a fun project! a few things come to mind - none should stop this project. Post progress pics. there will be several little problems to solve - like rear brake cable routing but...
Forum: Framebuilders
07-03-22, 10:15 AM
Replies: 6
Views: 930
Posted By duanedr

Don't let the lack of fixtures stop you. And...

Don't let the lack of fixtures stop you. And beware of becoming a fixture maker instead of a bike maker! Fixtures are great, once you have process dialed in and want to make similar bikes in less...
Forum: Framebuilders
06-28-22, 08:59 AM
Replies: 13
Views: 1,127
Posted By duanedr

Several years ago, I bought a half dozen cheap...

Several years ago, I bought a half dozen cheap steel stems from a used bike parts shop here and cut them up to see what they were using. It was a good $30 investment. The clamp, as mentioned is...
Forum: Framebuilders
06-27-22, 10:13 PM
Replies: 13
Views: 1,127
Posted By duanedr

Quill Stems

I have a few older bikes that have configurations that i'm not that fond of and I'd like to replace the stem/bar combo. What better excuse to make a few quill stems. All told, I'll make 4. 1 will...
Forum: Framebuilders
05-15-22, 10:59 AM
Replies: 14
Views: 1,217
Posted By duanedr

I have a Phrunt Shui in Seattle I could send you...

I have a Phrunt Shui in Seattle I could send you to borrow. I think it would fit in the small USPS fixed rate box for like $6-7 each way.
Forum: Framebuilders
04-25-22, 10:38 PM
Replies: 11
Views: 1,028
Posted By duanedr

Thanks, yes, I actually like these. They are...

Thanks, yes, I actually like these. They are somewhat traditional but not quite. There are some curves that I don't really like and wish the side tips were sharper. I don't think I'm great with...
Forum: Framebuilders
04-25-22, 09:32 AM
Replies: 11
Views: 1,028
Posted By duanedr

Mostly OT: What is in our DNA that drives us to...

...test things by touch?? I have a bucket of standard size HT lugs - way more than I'll ever use. And I have been playing around with a driven die grinder and belt sander for shaping lugs and sleeves...
Forum: Framebuilders
02-25-22, 12:19 AM
Replies: 6
Views: 922
Posted By duanedr

That's just the paint of the fork. Carbon looks...

That's just the paint of the fork. Carbon looks like that. I have a couple columbus or 3T forks in boxes that look the same.
Forum: Framebuilders
01-25-22, 10:00 PM
Replies: 19
Views: 1,846
Posted By duanedr

I have an '80s Columbine that was packaged...

I have an '80s Columbine that was packaged insufficiently to deal with the rough handling of an airline. The seattube has a similar dent from the rear cogset banging against it as it made a trip...
Forum: Framebuilders
12-22-21, 07:37 PM
Replies: 21
Views: 1,725
Posted By duanedr

It really depends on the fork. If the combined...

It really depends on the fork. If the combined wall thickness of the crown/steerer are thick enough and if you want the head of the recessed nut to be flush, you'll drill the backside hole to 5/16"...
Forum: Framebuilders
12-01-21, 08:22 PM
Replies: 26
Views: 2,561
Posted By duanedr

There are dozens. In addition to those listed...

There are dozens. In addition to those listed above, the following come to mind
Hot Tubes
Adam at Now You're Finished. Adam recently moved from Seattle to East somewhere i believe.
Cycle Art...
Forum: Framebuilders
11-10-21, 10:53 AM
Replies: 13
Views: 1,002
Posted By duanedr

It's this. The interface with the wheel,...

It's this. The interface with the wheel, derailleur, and frame has to be in a certain place and orientation. The builder decides how long to cut the tubes. The builder of your bike cut them a bit...
Forum: Framebuilders
11-07-21, 02:41 PM
Replies: 13
Views: 1,002
Posted By duanedr

If the hanger is not pointed down and rearward,...

If the hanger is not pointed down and rearward, it's possible to have the hanger block you from inserting a wheel with short stays. Shimano and SRAM want it pointed down and back such that the...
Forum: Framebuilders
10-14-21, 07:27 PM
Replies: 8
Views: 1,985
Posted By duanedr

I have the matching crown i got with my Rivendell...

I have the matching crown i got with my Rivendell back in '96. It's been on my desk as a fidget spinner ever since along with a couple head badges. I hate to bother you for one set but I can...
Forum: Framebuilders
10-11-21, 09:37 AM
Replies: 27
Views: 2,754
Posted By duanedr

For 1/2" tubing like that one of the hand held...

For 1/2" tubing like that one of the hand held tubing benders works really well.
I'm not associated with the listing but something like this. Also, I grease the follower shoe and mandrel with a...
Forum: Framebuilders
10-07-21, 01:41 AM
Replies: 32
Views: 3,859
Posted By duanedr

I have considered it before as well and tried it...

I have considered it before as well and tried it with sample decals from Velocal. That bike was done with a simple clear, not 2K and hasn't been ridden much since, so it's probably not a good...
Forum: Framebuilders
10-06-21, 03:56 PM
Replies: 32
Views: 3,859
Posted By duanedr

As part of another project ( rehab on a '71 F-250...

As part of another project ( rehab on a '71 F-250 pickup) I have been hanging out at the auto paint store. We are doing the rehab in phases and the first phase is getting the rat carcasses (3) out of...
Forum: Framebuilders
10-03-21, 12:23 PM
Replies: 21
Views: 1,370
Posted By duanedr

Yes, the top is the same as a standard 1-1/8" HT...

Yes, the top is the same as a standard 1-1/8" HT so standard reamers/facers work to get that straight once it's cut. I chuck it up on the section that will be cut off and then just use a parting bit...
Forum: Framebuilders
10-02-21, 08:35 PM
Replies: 21
Views: 1,370
Posted By duanedr

Well, when I say 'I trim off as much as I can',...

Well, when I say 'I trim off as much as I can', I'm not really being literal - just that I try to get the taper further down so the transition isn't in the middle of the DT. That miter is already a...
Forum: Framebuilders
10-02-21, 11:23 AM
Replies: 21
Views: 1,370
Posted By duanedr

Right, the Paragon ones I don't touch - other...

Right, the Paragon ones I don't touch - other than 1 that I relieved internally to save ~50g once. They are pretty thick and beautifully machined. The tube ones (this one is from nova) come with a...
Forum: Framebuilders
10-01-21, 05:13 PM
Replies: 21
Views: 1,370
Posted By duanedr

I measured a paragon (43.74mm) and one of the...

I measured a paragon (43.74mm) and one of the tapered ones (43.76mm) with telescoping bore thingies and a verified micrometer. My puck is 43.42mm measured with the micrometer. I face both ends of...
Forum: Framebuilders
09-20-21, 12:43 PM
Replies: 4
Views: 1,006
Posted By duanedr

While bamboo bikes aren't my cup of tea, I am all...

While bamboo bikes aren't my cup of tea, I am all for people doing stuff with their dad and if that's a bamboo bike, well, good on you!

In the 'Show Us Your Build' sticky thread, there's a guy who...
Forum: Framebuilders
09-10-21, 06:27 PM
Replies: 19
Views: 2,150
Posted By duanedr

I believe the STA is steeper to allow shortening...

I believe the STA is steeper to allow shortening the rear end which helps in climbing. Shallower HTA and more rake would provide more compliance and stability. PVD used a 'trailing axle' design on...
Forum: Framebuilders
09-03-21, 09:51 AM
Replies: 29
Views: 2,313
Posted By duanedr

My understanding from some cursory research (I'm...

My understanding from some cursory research (I'm not an expert on Keirin racing!) is that to be a true 'Keirin' bike, it has to be made by a certified builder of specific sized tubes and lugs so,...
Forum: Framebuilders
08-25-21, 01:49 AM
Replies: 27
Views: 2,908
Posted By duanedr

These are different from annular cutters. I...

These are different from annular cutters. I tried one of those and they don't work well for cutting thin walled tubing - .maybe for thick walled tubing of like 0.125" walled....

The AET look...
Forum: Framebuilders
08-23-21, 07:26 PM
Replies: 27
Views: 2,908
Posted By duanedr

My Norwegian is pretty poor - even worse than my...

My Norwegian is pretty poor - even worse than my Finnish - so I was looking only at UK sites (some say my English is pretty poor as well but I manage).

These look like possible options. It...
Forum: Framebuilders
08-17-21, 06:33 PM
Replies: 26
Views: 2,102
Posted By duanedr

I might try to build it up with 50n silver or...

I might try to build it up with 50n silver or even 56 - I suppose he can always file down to the desired thickness. I think making sure the flux is only where you want the filler and doesn't go in...
Forum: Framebuilders
08-11-21, 12:55 AM
Replies: 15
Views: 1,822
Posted By duanedr

I worried that my perspective was one of...

I worried that my perspective was one of privilege. I live about a 20min drive from Online Metals warehouse. Online Metals isn't necessarily cheap but if you factor out the shipping and the fact...
Forum: Framebuilders
08-04-21, 05:10 PM
Replies: 11
Views: 1,561
Posted By duanedr

I have made posts for some old Grand Compe center...

I have made posts for some old Grand Compe center pulls that are super light and sleek and have cartridge bearings in the pivots. Making the pivots was a bit of work without an existing pivot to...
Forum: Framebuilders
07-26-21, 12:52 AM
Replies: 32
Views: 3,859
Posted By duanedr

Painting is one rabbit hole I have successfully...

Painting is one rabbit hole I have successfully avoided although I'm rethinking it after dropping the latest frameset off for powder coat. The prices seem to have jumped up over the past 4-8 months!
Forum: Framebuilders
07-16-21, 09:59 AM
Replies: 27
Views: 2,754
Posted By duanedr

You don't say what the bike is used for so, that...

You don't say what the bike is used for so, that may change the following. As mentioned, 1-3/8 1mm 4130 tubing is VERY stout and heavy! You will have much better success trying to bend smaller tubes...
Forum: Framebuilders
07-14-21, 09:56 PM
Replies: 40
Views: 4,454
Posted By duanedr

Davidson Cycles in Seattle offers Ti. Ti Cycles...

Davidson Cycles in Seattle offers Ti. Ti Cycles near Portland Oregon would be another. Both have 35+ years in the business designing and building bikes
.
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