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Search: Posts Made By: duanedr
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Forum: Framebuilders
09-20-21, 12:43 PM
Replies: 4
Views: 350
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
09-17-21, 09:14 AM
Replies: 8
Views: 331
Posted By duanedr

You don't say why you're measuring this or what...

You don't say why you're measuring this or what precision means in your context but to increase the accuracy of your measurements you could turn some chunks of tube/bar (delrin, alum, etc) in a lathe...
Forum: Framebuilders
09-11-21, 12:30 PM
Replies: 11
Views: 402
Posted By duanedr

Right, there is probably a point of 'too short'...

Right, there is probably a point of 'too short' which is possible with bent seat tube, dropped stays and especially with carbon but as you said...


As with most of this, it's down to...
Forum: Framebuilders
09-10-21, 06:27 PM
Replies: 11
Views: 402
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: 1,146
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, 11:57 AM
Replies: 27
Views: 1,148
Posted By duanedr

I just wanted to make sure no one got the idea...

I just wanted to make sure no one got the idea that annular cutters were a viable solution. In my attempts they weren't.

I wish someone would come up with a variable diameter hole saw that...
Forum: Framebuilders
08-25-21, 01:49 AM
Replies: 27
Views: 1,148
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: 1,148
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
08-23-21, 02:18 PM
Replies: 27
Views: 1,148
Posted By duanedr

The superXcut shown below (Orange) isn't what you...

The superXcut shown below (Orange) isn't what you want. It looks like Mandrex has a 'FineXCut' M42 shown below (white) that should work. It's hard to tell how they attach to the arbor. It is better...
Forum: Framebuilders
08-19-21, 07:42 PM
Replies: 15
Views: 637
Posted By duanedr

If you're looking for just one set, I have a set...

If you're looking for just one set, I have a set of the Nova blades with the 14mm ID (17mm OD) tips. They are 16.5 inches long and oval at the top, round at the bottom. Happy to send them over.
Forum: Framebuilders
08-17-21, 06:33 PM
Replies: 26
Views: 1,064
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
08-16-21, 08:59 AM
Replies: 26
Views: 1,064
Posted By duanedr

I am sorry for your loss. Sounds like a special...

I am sorry for your loss. Sounds like a special frame.
Forum: Framebuilders
08-16-21, 12:54 AM
Replies: 26
Views: 1,064
Posted By duanedr

Well I'm still unclear on the sequence of events....

Well I'm still unclear on the sequence of events. Need to understand more about whether it was stripped and re-chromed or just that they tried to buff the old chrome and removed too much material...
Forum: Framebuilders
08-15-21, 08:34 PM
Replies: 26
Views: 1,064
Posted By duanedr

Pictures would help. Are you saying they removed...

Pictures would help. Are you saying they removed lug material so the lugs are thinner now than before you took it to them? Did they strip it and re-chrome it? Did they buff through the original...
Forum: Framebuilders
08-11-21, 12:55 AM
Replies: 15
Views: 934
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
08-10-21, 12:51 PM
Replies: 15
Views: 934
Posted By duanedr

I would disagree a little bit with Guy153. Well,...

I would disagree a little bit with Guy153. Well, maybe not disagree so much as propose an alternative approach.

I don't like the advice to cut up old frames for practice tubing. Stripping paint...
Forum: Framebuilders
08-04-21, 05:10 PM
Replies: 11
Views: 700
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: 19
Views: 1,146
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
07-17-21, 12:56 PM
Replies: 12
Views: 813
Posted By duanedr

I believe that is called a Willits style tab (not...

I believe that is called a Willits style tab (not sure on the history). This will help but you still have a very flexible blade on the other side. I have seen instances where a builder will add a...
Forum: Framebuilders
07-17-21, 12:17 PM
Replies: 16
Views: 906
Posted By duanedr

Yeah, I'm just saying that 631 is going to be...

Yeah, I'm just saying that 631 is going to be pretty difficult to bend (it's very strong) and it doesn't likely come in thick walls like the old Schwinns. You'll likely go through a fair bit before...
Forum: Framebuilders
07-16-21, 09:59 AM
Replies: 16
Views: 906
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: 18
Views: 1,101
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
.
Forum: Framebuilders
07-12-21, 11:34 PM
Replies: 16
Views: 881
Posted By duanedr

Do you know if it will take sandblasting? My...

Do you know if it will take sandblasting? My coater bakes items at 400" for an hour, then media blasts them, then coats and cures. He has a hard rule against non-metal fillers. Talk to them before...
Forum: Framebuilders
07-12-21, 11:06 PM
Replies: 6
Views: 544
Posted By duanedr

For Ti, Dave would be my first call.

For Ti, Dave would be my first call.
Forum: Framebuilders
07-11-21, 11:28 PM
Replies: 16
Views: 881
Posted By duanedr

You may be able to fill it with high temp filler....

You may be able to fill it with high temp filler. Tell your powder coater that you have done this or talk to them before doing it to see if they have recommendations. Usually, they will sandblast a...
Forum: Framebuilders
07-09-21, 09:21 AM
Replies: 20
Views: 1,081
Posted By duanedr

In practice this would be hard. The ID of...

In practice this would be hard. The ID of existing tube as a lug won't likely match the OD of a new tube with gaps suitable for brazing. It wouldn't be a hard fix really to cut the tube out and...
Forum: Framebuilders
07-06-21, 12:50 AM
Replies: 19
Views: 1,073
Posted By duanedr

I have no doubt you know what you're talking...

I have no doubt you know what you're talking about. I didn't see the front of the headtube lugs but now in later pictures, I see they are more intricate than I originally thought.
Forum: Framebuilders
07-06-21, 12:46 AM
Replies: 16
Views: 1,143
Posted By duanedr

Yes, that's the current location. They were down...

Yes, that's the current location. They were down at the north end of Pike Place for decades before he closed up that shop and moved to Fremont. I like the new shop. It's smaller and you can see...
Forum: Framebuilders
07-01-21, 08:56 PM
Replies: 19
Views: 1,073
Posted By duanedr

I was thinking the seatlug doesn't match the HT...

I was thinking the seatlug doesn't match the HT lugs.
Forum: Framebuilders
06-28-21, 11:39 AM
Replies: 3
Views: 576
Posted By duanedr

+1 Use a powder coater who has done bikes...

+1 Use a powder coater who has done bikes before. they will media blast the frameset and they use special masking tape that withstands the media blasting. If they don't know how thin walled the...
Forum: Framebuilders
06-28-21, 09:24 AM
Replies: 29
Views: 3,903
Posted By duanedr

Yes, I think there are a couple things that still...

Yes, I think there are a couple things that still catch me out and I assume it's just 'time at the keyboard' to get over them. To Mark's question, either one is quite quick to make size adjustments...
Forum: Framebuilders
06-27-21, 11:05 AM
Replies: 29
Views: 3,903
Posted By duanedr

No, I have used BikeCAD as well as RattleCAD. ...

No, I have used BikeCAD as well as RattleCAD. I'm pretty fluent in RattleCAD and think for hobby builders it's better. It's simpler and more intuitive and fewer ways to chase your tail. It...
Forum: Framebuilders
06-09-21, 07:45 PM
Replies: 16
Views: 1,143
Posted By duanedr

About 10 years ago I had a disc brake Ti Davidson...

About 10 years ago I had a disc brake Ti Davidson made. About the same time I was starting to revisit my earlier desires to build a bike for myself. When I bought my bike I talked to him about...
Forum: Framebuilders
06-09-21, 07:04 PM
Replies: 4
Views: 613
Posted By duanedr

Interesting, I hadn't ever heard of him. I think...

Interesting, I hadn't ever heard of him. I think if you upload pictures to your gallery, they can be moved into this thread.
Forum: Framebuilders
05-23-21, 01:32 PM
Replies: 21
Views: 1,938
Posted By duanedr

I would be interested in the track rears if...

I would be interested in the track rears if you're clearing stuff out.
Forum: Framebuilders
05-22-21, 01:35 PM
Replies: 12
Views: 975
Posted By duanedr

[QUOTE=geeteeiii;22068704]Hello Why does this...

[QUOTE=geeteeiii;22068704]Hello
Why does this decal say 'THERMACRDM"
...
Forum: Framebuilders
04-29-21, 12:15 PM
Replies: 9
Views: 6,824
Posted By duanedr

It's an old thread but that's a great site for...

It's an old thread but that's a great site for comparing materials! I recently had a question about 316 vs 304 vs 4130 suitability for rack and could have used this. Thanks!
Forum: Framebuilders
04-19-21, 11:57 PM
Replies: 19
Views: 1,456
Posted By duanedr

A couple are spoken for which leaves me with only...

A couple are spoken for which leaves me with only 2 or 3 so I'm holding
Forum: Framebuilders
04-19-21, 05:17 PM
Replies: 19
Views: 1,456
Posted By duanedr

I have a stash of 4-5. They are near perfect.

I have a stash of 4-5. They are near perfect.
Forum: Framebuilders
04-19-21, 12:26 AM
Replies: 19
Views: 1,456
Posted By duanedr

Welcome! Great to have you! The BB shells were...

Welcome! Great to have you! The BB shells were my favorite shells. Obviously, many wonderful forks have been made with your crowns but the shells were really great with a 35mm DT and OS ST.

A...
Forum: Framebuilders
04-11-21, 07:30 PM
Replies: 77
Views: 8,436
Posted By duanedr

Wow, thanks for sharing. Reinforces how lucky...

Wow, thanks for sharing. Reinforces how lucky you are to have ended up with as little damage as you did! Heal up.
Forum: Framebuilders
04-10-21, 05:49 PM
Replies: 77
Views: 8,436
Posted By duanedr

Interesting. Well, bummer but it's good to be...

Interesting. Well, bummer but it's good to be busy and it's good to have our SO's engaged and giving us projects so overall sounds like a good summer is headed your way!
Forum: Framebuilders
04-09-21, 03:19 PM
Replies: 77
Views: 8,436
Posted By duanedr

That's where I would expect the chainstays to...

That's where I would expect the chainstays to bend as well. Did the upper plate bend or the seatstays or the mono? The upper plate looks pretty stout so i'd expect it's in the thinner seatstays.
Forum: Framebuilders
04-09-21, 10:05 AM
Replies: 77
Views: 8,436
Posted By duanedr

Hope you heal up well. Getting hurt sucks at...

Hope you heal up well. Getting hurt sucks at once you're 'of a certain age'. I twisted my ankle in mid November and it's still bugging me...

Also, please let us know about the damage to the...
Forum: Framebuilders
04-06-21, 08:39 PM
Replies: 9
Views: 999
Posted By duanedr

Yes, ovalize at the BB works. you shouldn't have...

Yes, ovalize at the BB works. you shouldn't have an issue at the HT. I agree with Andrew, the ovalizing tool doesn't have to be high-zoot.
Forum: Framebuilders
04-04-21, 01:13 AM
Replies: 9
Views: 999
Posted By duanedr

Using a 38mm downtube on a standard BB shell will...

Using a 38mm downtube on a standard BB shell will be tricky. For anything that isn't lugged, I use a T47 shell. The larger shell decreases overlap between tubes and if you offset toward the bottom...
Forum: Framebuilders
04-02-21, 09:48 AM
Replies: 115
Views: 10,577
Posted By duanedr

Did it work? That's the only thing that...

Did it work? That's the only thing that matters...well, and how long I would have to sleep on the couch for pulling that kind of stunt! :lol:
Forum: Framebuilders
04-01-21, 12:37 PM
Replies: 115
Views: 10,577
Posted By duanedr

Oh, there has to be a good story buried in that...

Oh, there has to be a good story buried in that advice! Hopefully with pictures!! :lol:
Forum: Framebuilders
03-30-21, 12:56 AM
Replies: 4
Views: 713
Posted By duanedr

Yes, I have a large (12"x12"x1") plate of...

Yes, I have a large (12"x12"x1") plate of stainless that has a bar across the bottom and I clamp the bar in the vice and it makes a nice work table for brazing small bits. I have holes in it where I...
Forum: Framebuilders
03-29-21, 09:51 PM
Replies: 4
Views: 713
Posted By duanedr

Yes. It's for a 7/16" tube for curved bridges. I...

Yes. It's for a 7/16" tube for curved bridges. I have a round carbide insert tool that is just slightly smaller than 7/16" so I had to sort go in from the right, then the left and then back to the...
Showing results 1 to 50 of 377
 


 
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