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Search: Posts Made By: duanedr
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Forum: Framebuilders
09-20-21, 12:43 PM
Replies: 4
Views: 284
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: 11
Views: 351
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: 1,035
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: 1,061
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: 1,061
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: 983
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: 873
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: 650
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: 1,085
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: 16
Views: 839
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: 1,055
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
06-09-21, 07:45 PM
Replies: 16
Views: 1,129
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
05-22-21, 01:35 PM
Replies: 12
Views: 961
Posted By duanedr

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

[QUOTE=geeteeiii;22068704]Hello
Why does this decal say 'THERMACRDM"
...
Forum: Framebuilders
04-11-21, 07:30 PM
Replies: 77
Views: 8,402
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
04-06-21, 08:39 PM
Replies: 9
Views: 988
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: 988
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: 10,533
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
03-29-21, 12:55 PM
Replies: 4
Views: 705
Posted By duanedr

Repairing Bulged Steerer tube

Thought this might be interesting. I had to extract a stem from steerer on an early 80's Columbine. The prior owner buggered up the Campy SR headset obviously not knowing what they were doing. Well,...
Forum: Framebuilders
03-25-21, 10:18 AM
Replies: 12
Views: 1,216
Posted By duanedr

I can't imagine a single bike that would require...

I can't imagine a single bike that would require more than a 1220. If you've never built a bike before, don't waste your money on a longer beam to start with - many of us would argue that you...
Forum: Framebuilders
03-24-21, 06:46 PM
Replies: 12
Views: 1,216
Posted By duanedr

You are including the triangle under the headtube...

You are including the triangle under the headtube and forward to the front axle. That wouldn't be within the fixture length. This probably frees up 200mm or so...I don't think anyone would ever...
Forum: Framebuilders
03-24-21, 12:12 AM
Replies: 12
Views: 1,216
Posted By duanedr

I don't disagree with the idea of going as long...

I don't disagree with the idea of going as long as you can but generally with the long slack geometry, the rear end is quite short. I haven't done anything that didn't comfortably fit on 1220mm...
Forum: Framebuilders
02-22-21, 02:40 PM
Replies: 17
Views: 1,699
Posted By duanedr

Agree with him or not, Paul is still more...

Agree with him or not, Paul is still more interesting and enjoyable than most stuff on TV !

My post fits very snugly in a BSC BB shell. If there's any flux/tube sticking into the shell, it...
Forum: Framebuilders
02-15-21, 11:31 AM
Replies: 15
Views: 2,197
Posted By duanedr

I don't think so. I think it's more that the...

I don't think so. I think it's more that the timing (letting the puddle freeze and joint to cool slightly) and building up enough mass with the prior puddle that it doesn't re-melt when laying the...
Forum: Framebuilders
02-14-21, 02:34 PM
Replies: 15
Views: 2,197
Posted By duanedr

I noticed that as well but wasn't sure if i was...

I noticed that as well but wasn't sure if i was seeing what I thought I should see or if it was really opening. You can also hear 'pings' as the tubing heats and cools.

I'm with Doug on this ....
Forum: Framebuilders
02-05-21, 02:57 PM
Replies: 7
Views: 1,086
Posted By duanedr

Dang it! Why did you go do that?! It's like...

Dang it! Why did you go do that?! It's like washing your car. Pretty much guarantees it's going to rain.
Forum: Framebuilders
10-07-20, 04:54 PM
Replies: 12
Views: 1,654
Posted By duanedr

I have one of the small Grizzly mills similar to...

I have one of the small Grizzly mills similar to what Andrew has. The HT was 90mm Paragon so that helped. I used a tube block on the TT near the HT and put it in the vice with the BB up in the...
Forum: Framebuilders
10-04-20, 10:22 AM
Replies: 12
Views: 1,654
Posted By duanedr

I have done a Paragon 44mm HT's this way. It...

I have done a Paragon 44mm HT's this way. It wasn't as hard/time consuming to indicate it in as I was expecting. I would clamp the DT with blocks for more rigidity and take light cuts. A bigger...
Forum: Framebuilders
08-09-20, 02:00 AM
Replies: 115
Views: 10,533
Posted By duanedr

Lowering the BB won't materially lower your CoG....

Lowering the BB won't materially lower your CoG. That's way up at your hips so, bringing that down 10mm won't make any difference you could feel. The goal is gain standover and not have the bike any...
Forum: Framebuilders
05-09-20, 11:23 AM
Replies: 28
Views: 2,486
Posted By duanedr

If the weight, fit and ride are what I wanted, I...

If the weight, fit and ride are what I wanted, I wouldn't worry about whether it's 853 or not. It wouldn't have a discernable effect on the ride - especially with our new fat tires. Also, speculating...
Forum: Framebuilders
05-08-20, 03:25 PM
Replies: 26
Views: 2,231
Posted By duanedr

That's right, they have round ports. It's been a...

That's right, they have round ports. It's been a while since I looked at them but they struck me as a good idea given the trend to wider tires on all bikes.
Forum: Framebuilders
03-04-20, 10:04 AM
Replies: 3
Views: 808
Posted By duanedr

Gus Salmon Decals seems to have production decals...

Gus Salmon Decals seems to have production decals for existing brands. https://www.velocals.com/ Velocals also has production decals. You don't say who the builder was.

I use Reid Design here...
Forum: Framebuilders
03-03-20, 11:48 AM
Replies: 4
Views: 792
Posted By duanedr

Looks good! Get a little dab at the top on the...

Looks good! Get a little dab at the top on the right where the bar meets the seatstay - just to complete the fillet. I find taking pictures and looking at my work through pictures help me see it...
Forum: Framebuilders
02-13-20, 07:19 PM
Replies: 96
Views: 8,594
Posted By duanedr

Make sure you get the one with the roach storage...

Make sure you get the one with the roach storage space at the end!
Forum: Framebuilders
01-24-20, 09:23 PM
Replies: 96
Views: 8,594
Posted By duanedr

Here's a picture of my set up as I was drilling...

Here's a picture of my set up as I was drilling it. You can see the puddle of water contained by plumber's putty to keep the bit cool and grinding through. If I was to have a benchtop drill press, I...
Forum: Framebuilders
12-28-19, 05:30 PM
Replies: 50
Views: 7,093
Posted By duanedr

What you show is how I do most of my non-lugged...

What you show is how I do most of my non-lugged frames.

I have tried drilling a TT vent hole and pucker hole in the sleeve before brazing it to the ST. I could then use those holes to add filler...
Forum: Framebuilders
12-12-19, 01:57 AM
Replies: 18
Views: 3,723
Posted By duanedr

Drop is what I use to set my fixture. BB height...

Drop is what I use to set my fixture. BB height is what I design around - based on crank length, wheel size, tires (smallest), pedal type, terrain (most extreme) and rider type.



.
Forum: Framebuilders
12-09-19, 01:06 AM
Replies: 23
Views: 2,490
Posted By duanedr

Don't get me wrong. A production...

Don't get me wrong. A production Specialized/Trek/Giant in the $2-4000 range represents amazing value if a 54-58cm size range bike fits you. They are well designed and engineered and ride really...
Forum: Framebuilders
12-07-19, 07:40 PM
Replies: 23
Views: 2,490
Posted By duanedr

I agree with Nessism. Having said that... ...

I agree with Nessism. Having said that...

Of course someone has done this! It was (cleverly) called the Frame Geometry Project!! Looks like the most recent bike was 2008 Rivendells.
...
Forum: Framebuilders
04-04-19, 09:40 AM
Replies: 430
Views: 273,631
Posted By duanedr

26" MTB for a local shredder

Here's the latest one to leave the shop. The rider is 11yo so, the design criteria was light weight and low. The dad rides a lot and knows the benefits of a high end bike so he wanted something...
Showing results 1 to 39 of 39


 
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