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Search: Posts Made By: guy153
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Forum: Framebuilders
03-05-24, 12:58 PM
Replies: 17
Views: 655
Posted By guy153

I get them directly from Reynolds being in the...

I get them directly from Reynolds being in the UK. These are the EX5707 blades (the most curved and the thinnest). Make sure that if you're using a disk brake you get the slightly thicker ones...
Forum: Framebuilders
03-05-24, 12:56 PM
Replies: 17
Views: 655
Posted By guy153

The 1" steerer used for the "arms" is a Columbus...

The 1" steerer used for the "arms" is a Columbus one that's 2.3mm at one end and 1.55mm at the other. I think I used pieces from the "thin" end (which is still quite thick). That one steerer has made...
Forum: Framebuilders
03-05-24, 07:15 AM
Replies: 17
Views: 655
Posted By guy153

You could also consider making a segmented fork....

You could also consider making a segmented fork. These are quite fun to do and can be done with either TIG or fillet brazing. I use TIG and make the arms out of 1" cromoly steerer tube. The caps are...
Forum: Framebuilders
01-17-24, 03:06 AM
Replies: 23
Views: 928
Posted By guy153

I still practice on all my drops :) And often use...

I still practice on all my drops :) And often use the ends of stays for bridge tubes. I just took the paint (it was powder coat) off with a "birds nest" wheel on a grinder which didn't take long.
Forum: Framebuilders
12-16-23, 07:47 AM
Replies: 11
Views: 527
Posted By guy153

+1 for it looks fine. People put much bigger...

+1 for it looks fine. People put much bigger dimples in chainstays all the time, and also drill top-tubes for internal cables (a hole is much worse than a dent, which just reduces the stiffness a bit...
Forum: Framebuilders
12-12-23, 04:11 AM
Replies: 32
Views: 1,509
Posted By guy153

There's a lot to be said for 26" on a touring...

There's a lot to be said for 26" on a touring bike anyway. Easier to get parts when riding across the Hindu Kush. The opposite is probably true of 650b. It also makes much more sense than 700c if...
Forum: Framebuilders
12-10-23, 10:24 AM
Replies: 32
Views: 1,509
Posted By guy153

When it comes to level TTs I quite like them all...

When it comes to level TTs I quite like them all things being equal, but I dislike excessive stickout of stems (or seatposts) even more. So my least favourite is the modern "road" frame with a really...
Forum: Framebuilders
12-10-23, 05:28 AM
Replies: 32
Views: 1,509
Posted By guy153

I think that might be unrideable to someone used...

I think that might be unrideable to someone used to a regular bike. But with a lot of practice it could be ridden. Would certainly be an interesting experiment though :)
Forum: Framebuilders
11-28-23, 10:45 AM
Replies: 15
Views: 563
Posted By guy153

Well here's how I got on. I think it worked out...

Well here's how I got on. I think it worked out very well. I drilled a couple of 5mm holes in my trusty bit of 5mm plate, and then widened them into slots with that carbide burr thing:


...
Forum: Framebuilders
11-28-23, 07:24 AM
Replies: 15
Views: 563
Posted By guy153

Thanks! But I'm in UK. The cost would be rather a...

Thanks! But I'm in UK. The cost would be rather a lot. Plus it will be quite fun to try and make something.
Forum: Framebuilders
11-27-23, 12:54 PM
Replies: 15
Views: 563
Posted By guy153

I already made the front one out of 5mm plate,...

I already made the front one out of 5mm plate, which is deep enough to put the bolts into, so I didn't drill anything into the fork. I'm happy with it.
...
Forum: Framebuilders
11-21-23, 03:01 AM
Replies: 16
Views: 714
Posted By guy153

I TIG everything and I use silicon bronze between...

I TIG everything and I use silicon bronze between where the two seat stays join at the top if it is too tight to weld it there. It's fairly easy to sort of fill that gap with TIG bronze if you...
Forum: Framebuilders
11-18-23, 05:36 AM
Replies: 16
Views: 714
Posted By guy153

Yes. And would probably need to run a reamer down...

Yes. And would probably need to run a reamer down there after welding.
Forum: Framebuilders
11-16-23, 04:11 PM
Replies: 4
Views: 394
Posted By guy153

Yes I think you will need to remove the chrome....

Yes I think you will need to remove the chrome. Certainly you would for welding. It will also produce somewhat toxic fumes. So remove a bit more than you need, wear a respirator, and keep the place...
Forum: Framebuilders
08-25-23, 10:27 AM
Replies: 8
Views: 858
Posted By guy153

If you look in the Reynolds catalogue, the 631...

If you look in the Reynolds catalogue, the 631 and 853 curved fork blades that they say are "for disk" are 1.1mm wall compared to 1.0/0.6mm for rim brakes. Outer dimensions are 27.5/20mm oval. I...
Forum: Framebuilders
07-31-23, 03:38 AM
Replies: 22
Views: 1,736
Posted By guy153

Nice! I think I used that shade of purple on my...

Nice! I think I used that shade of purple on my "soft-roader" build. I have fitted the rear mudguard properly since these pictures... I accidentally got the matt 2K clear for this one but it turned...
Forum: Framebuilders
07-24-23, 03:17 PM
Replies: 22
Views: 1,736
Posted By guy153

That's a nice true frame in my book. Production...

That's a nice true frame in my book. Production frames often have a difference of up to 3mm. Spray.bike plus 2K clear works very well in my experience. Main thing with spray.bike is make sure to hold...
Forum: Framebuilders
07-14-23, 03:27 PM
Replies: 22
Views: 2,560
Posted By guy153

"Arc welding" is a common UK English term for...

"Arc welding" is a common UK English term for stick welding. Highly unsuitable for this job.

Have seen more than one video on YouTube of people spattering on caliper mounts with flux-core welders...
Forum: Framebuilders
07-14-23, 03:28 AM
Replies: 22
Views: 1,736
Posted By guy153

The main thing is is the wheel in the right...

The main thing is is the wheel in the right place? If not the stay might need bending back. Otherwise it's fine.
Forum: Framebuilders
07-10-23, 04:59 AM
Replies: 9
Views: 881
Posted By guy153

I thought a "low" frame meant some new kind of...

I thought a "low" frame meant some new kind of geometry like "long low slack" :)
Forum: Framebuilders
07-09-23, 09:34 AM
Replies: 6
Views: 742
Posted By guy153

https://geometrygeeks.bike/ is a good resource.

https://geometrygeeks.bike/ is a good resource.
Forum: Framebuilders
05-29-23, 09:01 AM
Replies: 9
Views: 810
Posted By guy153

Hopefully not to the emergency room :)

Hopefully not to the emergency room :)
Forum: Framebuilders
05-21-23, 01:45 AM
Replies: 29
Views: 2,317
Posted By guy153

It could be replaced but idk how much it would...

It could be replaced but idk how much it would cost if you had to pay someone to do that. My concern with a sleeve is that I think this crack is about where the butt ends. This means that the lower...
Forum: Framebuilders
05-20-23, 12:49 AM
Replies: 29
Views: 2,317
Posted By guy153

Air-hardening is just something that 631 and 853...

Air-hardening is just something that 631 and 853 do after you weld them. It means that as the metal cools down after welding it gets stronger. That is the special feature of those alloys. They...
Forum: Framebuilders
05-08-23, 03:59 AM
Replies: 96
Views: 11,020
Posted By guy153

Or if you can find some Moulton rubber cone...

Or if you can find some Moulton rubber cone springs. These are used on Moulton bicycles and are a smaller version of the ones used on the Austin Mini. Very compact and light. I think the bicycle ones...
Forum: Framebuilders
03-08-23, 02:22 AM
Replies: 31
Views: 3,543
Posted By guy153

My 631 frame was rusting all right where the...

My 631 frame was rusting all right where the spray.bike paint had fallen off. 631 is the same alloy as 853, just not heat treated. Just surface rust and have repainted and 2K cleared and it's all...
Forum: Framebuilders
02-16-23, 08:44 PM
Replies: 16
Views: 1,306
Posted By guy153

1. In UK about £200 2. Yes this can be quite...

1. In UK about £200
2. Yes this can be quite interesting and also a good source of scrap pieces of thin-walled tubing to practice welding on.
3. Yes easily.
4. Yes racks are fun to make.
5. Well...
Forum: Framebuilders
02-16-23, 08:39 PM
Replies: 10
Views: 1,123
Posted By guy153

Agree with people who say it looks like it was...

Agree with people who say it looks like it was made like that-- the stays were pressed around the dropout and then presumably spot-welded. But you say it's not like that on the other side. But either...
Forum: Framebuilders
01-21-23, 02:37 AM
Replies: 20
Views: 2,604
Posted By guy153

An assistant to just hold the tubes while you...

An assistant to just hold the tubes while you tack them real quick would probably work. The mitres themselves locate them quite well. Once you have some tacks on there you can check the alignment and...
Forum: Framebuilders
01-19-23, 09:19 AM
Replies: 7
Views: 2,155
Posted By guy153

It's the dog's bollocks. Heat-treated...

It's the dog's bollocks. Heat-treated double-butted seamless chromoly. The higher the number the "better" so it's second from the top of the pack excluding the stainless ones. Reynolds don't sell any...
Forum: Framebuilders
12-30-22, 02:50 AM
Replies: 6
Views: 552
Posted By guy153

I would do hand-mitring with paper templates for...

I would do hand-mitring with paper templates for 5/8 and just do it by hand/eye altogether for 5/16.

https://metalgeek.com/static/cope.pcgi
Forum: Framebuilders
12-29-22, 02:32 AM
Replies: 18
Views: 1,418
Posted By guy153

The rear triangle also sometimes need a bit of...

The rear triangle also sometimes need a bit of aligning and the chainstays dimpling. Heat-treated tubes are not your friend for this. If I wanted to make an 853 frame with "high end" chainstays I'd...
Forum: Framebuilders
12-28-22, 04:29 PM
Replies: 18
Views: 1,418
Posted By guy153

Are you sure the stays actually are 725? They're...

Are you sure the stays actually are 725? They're often 525 (the same material, just not heat treated) with 725 being used for the main triangle.

525 is just regular 4130 cromoly so replacing with...
Forum: Framebuilders
12-19-22, 11:39 AM
Replies: 14
Views: 1,100
Posted By guy153

It probably doesn't make any difference in...

It probably doesn't make any difference in practice but I don't really like the idea of one blade flexing more than the other while riding. It would cause the front wheel to roll to one side and...
Forum: Framebuilders
10-21-22, 03:23 PM
Replies: 12
Views: 2,634
Posted By guy153

It was this bike. Looks nice enough in those...

It was this bike. Looks nice enough in those pictures but I'd only just made it. That was spray.bike paint and clear. After a couple of winters (there are no fenders) the paint was quite chipped and...
Forum: Framebuilders
09-20-22, 09:40 AM
Replies: 14
Views: 1,259
Posted By guy153

The heat wouldn't do anything special-- mild...

The heat wouldn't do anything special-- mild steel is basically the same before and after you weld it. But if you're adding metal you're adding strength. So yes if you just filled it all in and...
Forum: Framebuilders
09-16-22, 02:11 AM
Replies: 4
Views: 701
Posted By guy153

At your size and weight I would go traditional...

At your size and weight I would go traditional "single oversize" (so 1 1/4" DT, 1 1/8" TT), with wall thickness around 0.8/0.5/0.8 which would be Zona. Cromor would also be fine-- it's usually...
Forum: Framebuilders
09-14-22, 01:06 AM
Replies: 14
Views: 972
Posted By guy153

I think adaptors over the DT bosses actually work...

I think adaptors over the DT bosses actually work better. If they seize up you have more options. You can also run with DT shifters or barcons in the future when Shimano have switched everything to...
Forum: Framebuilders
09-11-22, 03:58 AM
Replies: 24
Views: 6,291
Posted By guy153

Looking at that catalogue it says all Dedacciai...

Looking at that catalogue it says all Dedacciai tubing is seamless cromoly (25CrMo4 is the European standard equivalent to 4130). So it's all good, and basically equivalent to anything from Columbus...
Forum: Framebuilders
09-06-22, 12:28 PM
Replies: 32
Views: 3,853
Posted By guy153

Mine is an "R-Tech" which is the UK version of...

Mine is an "R-Tech" which is the UK version of what's branded "Everlast" in US. Chinese but reasonably good. The solenoid failed and they sent me a warranty replacement. The display just shows random...
08-21-22, 11:58 AM
Replies: 35
Views: 3,320
Posted By guy153

I reuse them, seems to be OK. 10 speed is the...

I reuse them, seems to be OK. 10 speed is the newest fangled on any of my bikes though. The 9 speed ones you were officially allowed to reuse.
Forum: Framebuilders
08-17-22, 12:40 AM
Replies: 6
Views: 732
Posted By guy153

Yes as others have said they should just drop...

Yes as others have said they should just drop off. But if you don't own that kind of torch very carefully grind them and then sand or file the last bit by hand. If you were filling a hole then yes...
Forum: Framebuilders
07-31-22, 03:18 AM
Replies: 21
Views: 12,285
Posted By guy153

Yes Montana Gold is acrylic. Doug Fattic knows...

Yes Montana Gold is acrylic. Doug Fattic knows much more about these things than I do. But the Montana stuff goes on well compared to spray.bike (also acrylic) which can leave a lot of powder lying...
Forum: Framebuilders
07-19-22, 02:37 AM
Replies: 21
Views: 12,285
Posted By guy153

I recommend 2k clear as well. Andy is probably...

I recommend 2k clear as well. Andy is probably right that it's only a bit tougher, but it's like puncture-resistant tyres: enough is as good as a feast. Spray.bike with its own clear coat gets...
Forum: Framebuilders
06-28-22, 04:31 AM
Replies: 34
Views: 3,901
Posted By guy153

If you'd kept those domed stays you could be...

If you'd kept those domed stays you could be selling them off now probably at a profit. I wonder if Reynolds still have the machine they used to make them.
Forum: Framebuilders
06-21-22, 03:25 AM
Replies: 21
Views: 1,886
Posted By guy153

I'm in UK and Trek replaced a failed frame for me...

I'm in UK and Trek replaced a failed frame for me under the lifetime warranty with no quibbles. The warranty only applies to the first owner (and I've now ebayed that frame since making my own...
Forum: Framebuilders
06-05-22, 11:42 AM
Replies: 18
Views: 4,180
Posted By guy153

Yes use car body filler. If you're painting the...

Yes use car body filler. If you're painting the whole frame I usually use Montana Gold acrylic, Montana Gold steel primer and glossy 2K clear. Actually a pretty decent finish. Leave the acrylic to...
Forum: Framebuilders
05-16-22, 09:31 AM
Replies: 6
Views: 985
Posted By guy153

I don't know what the official size is but I...

I don't know what the official size is but I measured it to be 253.5mm for 26", and used this on a frame. The brakes fit fine. But I would also be interested to have a proper chart.
Forum: Framebuilders
05-16-22, 02:05 AM
Replies: 14
Views: 1,421
Posted By guy153

I did that on my (so far) one disk fork. Worked...

I did that on my (so far) one disk fork. Worked for me (TIG tacking). So many ways to screw things up with all the different standards out there it's quite nice to work with the actual caliper and...
Forum: Framebuilders
05-04-22, 01:36 AM
Replies: 6
Views: 1,120
Posted By guy153

Yes go for it :) When I say a bit of brass, I...

Yes go for it :) When I say a bit of brass, I mean I would use TIG silicon bronze, just as a kind of filler, after welding the crack with a steel rod. You could skip the brass though-- it isn't...
Showing results 1 to 50 of 210
 


 
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