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Search: Posts Made By: pwyg
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Forum: Framebuilders
06-09-22, 11:19 PM
Replies: 8
Views: 1,368
Posted By pwyg

Single butted tubes are traditionally used as...

Single butted tubes are traditionally used as seat tubes. Since the introduction of Tig you now have bulge butt tubes to help support the swat area to reduce the chance of a fracture at the seat...
Forum: Framebuilders
06-02-22, 02:09 PM
Replies: 39
Views: 5,903
Posted By pwyg

1” is fine and better than 1 1/8 since mundane...

1” is fine and better than 1 1/8 since mundane and hard impacts with a 1” steer tube will not crumple the down and top tubes like a 1 1/8 can with a steel steer tube. 1 1/8 steel steer tubes focus...
Forum: Framebuilders
03-28-22, 04:39 AM
Replies: 8
Views: 2,027
Posted By pwyg

It is production welding, i have seen the same...

It is production welding, i have seen the same thing on custom built frames and many production frames including Bridgestones. Quality control is a time based and therefore a factor in the final cost...
Forum: Framebuilders
02-14-22, 12:56 PM
Replies: 31
Views: 3,370
Posted By pwyg

Most of the frames I have built were for women....

Most of the frames I have built were for women. Both lugged and fillet. Check around go local if you can.
Paul
Forum: Framebuilders
01-27-22, 05:25 AM
Replies: 18
Views: 2,013
Posted By pwyg

Guy has your procedure right. Although I do not...

Guy has your procedure right. Although I do not see an issue with the sleeve being being brazed to the steerer first. Since the sleeve will be for sake of ease 1 1/8 x 058 that is plenty of steel...
Forum: Framebuilders
01-18-22, 04:00 PM
Replies: 22
Views: 4,146
Posted By pwyg

You need to order water soluble flux. Gasflux...

You need to order water soluble flux. Gasflux sells a water soluble flux, I use Welco 17 which is what most welding shops can order in. Bad news is they are not doing more than 8 oz sizes from the...
Forum: Framebuilders
12-24-21, 12:13 PM
Replies: 6
Views: 1,728
Posted By pwyg

I should let you talk to a customer of mine that...

I should let you talk to a customer of mine that brought in his custom tandem for a few modifications and I had to call him back an tell him his tandem was trash due to the fact the 1/4 vent holes in...
Forum: Framebuilders
12-24-21, 08:56 AM
Replies: 6
Views: 1,728
Posted By pwyg

If you want the frame to last yes. There should...

If you want the frame to last yes. There should be a hole at each end of every tube and the most critical one exiting the bottom bracket. These holes need to be big enough to avoid being filled with...
Forum: Framebuilders
12-02-21, 03:34 PM
Replies: 26
Views: 3,245
Posted By pwyg

There are generally painters everywhere. The...

There are generally painters everywhere. The quality and pricing will vary as well depth of services they provide builders as well as painter do not provide the same depth of services. Local shops...
Forum: Framebuilders
11-20-21, 08:04 PM
Replies: 41
Views: 6,066
Posted By pwyg

on my site gallery page wyganowski frames

on my site gallery page wyganowski frames
Forum: Framebuilders
11-20-21, 01:16 PM
Replies: 41
Views: 6,066
Posted By pwyg

Cecil Behringer did hold the patent for vacuum...

Cecil Behringer did hold the patent for vacuum brazing Ti. I have the left over Ti parts that Pino made for those lugged Ti frames and forks. Him passing it on is unknown to me and I am 4th down the...
Forum: Framebuilders
11-04-21, 03:35 PM
Replies: 16
Views: 1,387
Posted By pwyg

No, V grooved to increase the weld contact area...

No, V grooved to increase the weld contact area for strength. This is a common practice in welding steel. Notching it will not necessarily allow more penetration. Not as good of penetration as a V...
Forum: Framebuilders
11-03-21, 08:00 PM
Replies: 16
Views: 1,387
Posted By pwyg

It looks to me that it was not repaired properly....

It looks to me that it was not repaired properly. The crack should have been v cut to create a wider area for the weld creating a stronger repair. It will probably break again running cassette rear...
Forum: Framebuilders
10-28-21, 09:41 AM
Replies: 12
Views: 1,894
Posted By pwyg

I have 2’ sections of 1/4” x .020 stainless tubes...

I have 2’ sections of 1/4” x .020 stainless tubes for sale. They are vastly superior to brass tubes used for this application. They are 5.1 mm i.d.
Forum: Framebuilders
10-17-21, 07:53 PM
Replies: 6
Views: 1,158
Posted By pwyg

Those bosses were tig welded on you are also...

Those bosses were tig welded on you are also seeing weld under cutting common with tig joints.
i would not worry too much. As stated above the tubes are thick.
i have removed and moved hundreds...
Forum: Framebuilders
09-26-21, 07:30 PM
Replies: 14
Views: 1,780
Posted By pwyg

Residual stress in frames

Almost no frames built will have no stress in the frame. It is virtually impossible the way frames are built these days. The only way to do so it to increase the time to build the frame which is...
Forum: Framebuilders
09-18-21, 05:32 PM
Replies: 14
Views: 1,780
Posted By pwyg

Unless there is stress to the frame this will...

Unless there is stress to the frame this will show with either dents or stress risers in the tubes. If you see these the frame was impacted hard enough to damage the steel. For dents in steel it...
Forum: Framebuilders
09-12-21, 12:55 PM
Replies: 6
Views: 1,007
Posted By pwyg

For aluminum that is a frame ender. Especially if...

For aluminum that is a frame ender. Especially if it is 6000 series.
Forum: Framebuilders
08-20-21, 04:45 AM
Replies: 15
Views: 1,385
Posted By pwyg

Columbus tandem fork blades

I have Columbus tandem fork blades. They are OS based on a 26 mm tube, they are .049 so over kill between the OS and the thickness and Cyclex sk they are a heat treated blade. They can be built with...
Forum: Framebuilders
08-10-21, 05:25 PM
Replies: 14
Views: 1,377
Posted By pwyg

French steer tubes

I have a stock of French steer tubes if you want to replace it.
Forum: Framebuilders
07-16-21, 04:27 PM
Replies: 8
Views: 1,057
Posted By pwyg

Threaded fork

I have one or two Reynolds tall 1” threaded steer tubes instock. 1400 seems crazy high for a fork even by the nzd compared a custom fork here.
Oaul
Forum: Framebuilders
07-08-21, 11:14 AM
Replies: 20
Views: 2,398
Posted By pwyg

Yes it is

A top tube replacement is as basic as it gets. The biggest issue is you do not want to tig it again as tig characteristics are even poorer on the second weld. It will have to be a fillet repair which...
Forum: Framebuilders
07-13-19, 06:41 AM
Replies: 21
Views: 5,914
Posted By pwyg

Cro-mor is a step below Cyclex where your...

Cro-mor is a step below Cyclex where your Nivacrom and Foco, Life, etc.. are above the Cyclex. The tube set is ideal for work horse/ duty bikes and frames The down tube is 1.1 1.0/1.1 butted the seat...
Forum: Framebuilders
07-13-19, 06:17 AM
Replies: 21
Views: 5,914
Posted By pwyg

it is not an issue of how it will build, it is an...

it is not an issue of how it will build, it is an issue of quality and strength of the steel. Hopefully you are brazing at the low temperatures that silver is know for since that will preserve the...
Forum: Framebuilders
07-10-19, 08:35 PM
Replies: 21
Views: 5,914
Posted By pwyg

I have Columbus cyclex 8 piece tube sets made of...

I have Columbus cyclex 8 piece tube sets made of C & C tubes and SP mix. I sell them for 65.00 per set they are classic tube dimensions 1" top 1 1/8" seat and down 1 1/4" head tube. The seat stays...
Forum: Framebuilders
03-26-19, 05:39 PM
Replies: 47
Views: 14,870
Posted By pwyg

Paterek's website and manual

Just for people's info Tim dropped his website. His manual is now an e-book on the Kindle.
Forum: Framebuilders
03-26-19, 03:46 PM
Replies: 13
Views: 3,222
Posted By pwyg

Seat cluster repair

If I was to do a repair on that. I would 1st open up clamp by prying it open a bit. Ream the distortion out of the tube. They most likely did a poor job in the first place. You do a minimal ream to...
Forum: Framebuilders
03-22-19, 04:05 PM
Replies: 14
Views: 2,189
Posted By pwyg

Hanger repair

Thread in the derailleur, if you can torque it down a bit without it spinning you are fine. It does not need a ton of torque to be safe. Loctite makes a thread repair filler and a metal filler. Those...
Forum: Framebuilders
03-09-19, 05:55 PM
Replies: 47
Views: 14,870
Posted By pwyg

I think Tim is simply done with that. I have not...

I think Tim is simply done with that. I have not discussed that part of his life recently. I know he has retired from his teaching in the school system in Vancouver. What I think us so funny about my...
Forum: Framebuilders
01-17-19, 05:49 PM
Replies: 60
Views: 7,427
Posted By pwyg

On bare steel you can give it a hcl wipe down ....

On bare steel you can give it a hcl wipe down . This will quickly remove carbon, rust in varing degrees of severity. Just rinse with very cold water and dry quickly. A great source of weak hcl is...
Forum: Framebuilders
11-12-18, 06:08 PM
Replies: 16
Views: 4,493
Posted By pwyg

Yes I have done this with a Tig welder on a few...

Yes I have done this with a Tig welder on a few frames and mainly unicycles and recumbents. I really can not build a frame Tig I hate the way they look.
Forum: Framebuilders
11-11-18, 08:02 PM
Replies: 16
Views: 4,493
Posted By pwyg

No tacking in fixture. an old school habit. I...

No tacking in fixture. an old school habit. I tack it freehand balanced in a park clamp with checking for square a few times, then tack and check again. goes fast for me but I come from a long line...
Forum: Framebuilders
11-06-18, 06:22 PM
Replies: 16
Views: 4,493
Posted By pwyg

I am a pro with pro tolls and opt to build my...

I am a pro with pro tolls and opt to build my frames like my predecessors. First I like the challenge it keep my skills high as torch skill can be the difference between straight and way off....
Forum: Framebuilders
09-21-18, 07:35 PM
Replies: 5
Views: 982
Posted By pwyg

what you are describing sounds bad, First if you...

what you are describing sounds bad, First if you are attempting to band aid a crack is something I would never consider. You need to approach from the point of replacing the entire tube or tubes. Tig...
Forum: Framebuilders
07-13-18, 08:40 AM
Replies: 5
Views: 1,073
Posted By pwyg

Just file down the guides and sand away the...

Just file down the guides and sand away the chrome, either way you need to get to bare steel for silver to stick, bronze which I do not recommend can be done directly over chrome mainly due to the...
Forum: Framebuilders
07-13-18, 08:27 AM
Replies: 10
Views: 3,186
Posted By pwyg

Those Miyata's broke all the time it is a simple...

Those Miyata's broke all the time it is a simple repair. The main thing is that the repairer should cut out the old tube and then mechanically remove the old tube from the lug, not burn it out since...
Forum: Framebuilders
06-29-18, 12:18 PM
Replies: 10
Views: 3,153
Posted By pwyg

I have NOS Ishiwata tubes and tube sets. My...

I have NOS Ishiwata tubes and tube sets. My personal view on quad butted tubs is the manufacturer was counting the transitions as butts. There is no real gain stepping a tube that much especially...
Forum: Framebuilders
06-07-18, 10:12 AM
Replies: 7
Views: 1,414
Posted By pwyg

You will need to hunt around for some continental...

You will need to hunt around for some continental oval blades with a long enough fat section to do this. I built a 406 unicycle with the same crown a few years back the bigger issue is going to be...
Forum: Framebuilders
06-07-18, 10:02 AM
Replies: 10
Views: 1,638
Posted By pwyg

It is a basic repair old steer tube needs to be...

It is a basic repair old steer tube needs to be mechanically removed and a new one needs to be brazed in place. Chrome will be shot but fork will be good as new. It is about 100.00 to 125.00 to get...
Forum: Framebuilders
06-07-18, 09:56 AM
Replies: 12
Views: 3,528
Posted By pwyg

Looks like the frame has a poorly done powder...

Looks like the frame has a poorly done powder coat. I could see left over flux under powder flaking after a while but you have an adhesion issue. Did the frame get any pre powder prep ? like blasting...
Forum: Framebuilders
10-18-16, 06:16 AM
Replies: 35
Views: 14,616
Posted By pwyg

Most Reynolds tube sets came with a 1/2" short...

Most Reynolds tube sets came with a 1/2" short piece of 531 for bridges. So short of the manufacturer using another type of steel I most likely is 531
Forum: Framebuilders
10-12-16, 06:47 PM
Replies: 16
Views: 2,393
Posted By pwyg

Unless the tap crosscut or partially cut into the...

Unless the tap crosscut or partially cut into the original thread and chased the threads a bit wider, taps only cut to their specified size. Having a gross amount of side to side /up and down play...
Forum: Framebuilders
09-30-16, 01:14 PM
Replies: 14
Views: 1,964
Posted By pwyg

You can silver braze Ti if you have the proper...

You can silver braze Ti if you have the proper set up for it. One of my predecessors held the patent for vacuum brazing Ti those who know will know this as the Pino-Behr project. As for 3D printing a...
09-30-16, 06:21 AM
Replies: 30
Views: 4,623
Posted By pwyg

Paint in the threads is a good thing unless they...

Paint in the threads is a good thing unless they impede the install of the cups. Then chasing or cleaning them should be done. I would be more concerned with the paint on the faces of the shell as...
09-30-16, 06:12 AM
Replies: 11
Views: 1,568
Posted By pwyg

It is ok to do you will be returning it back to...

It is ok to do you will be returning it back to where it was originally, so it should go very easy. But as always a standard disclaimer of it could also crack but that is very unlikely. Cold setting...
Forum: Framebuilders
09-01-16, 12:18 PM
Replies: 23
Views: 5,698
Posted By pwyg

Just make sure they are going to grind out the...

Just make sure they are going to grind out the old and not burn it out. nor would i recommend trying to re-braze. I typically do these repairs for about 150.00 for the repair only including the new...
08-31-16, 01:05 PM
Replies: 21
Views: 4,898
Posted By pwyg

To do any damage to the steel the heat would have...

To do any damage to the steel the heat would have incinerated the paint to bare steel I doubt if the heat got above 400 degrees from what i see. The chrome is not even discolored which happens at...
Forum: Framebuilders
08-31-16, 12:54 PM
Replies: 23
Views: 5,698
Posted By pwyg

It looks to me like a break if it does not...

It looks to me like a break if it does not crossover to the casting you are lucky and it is a easy repair. if you take hammer and punch to the center area and hit it and the tube pushes away from the...
Forum: Framebuilders
08-16-16, 09:02 AM
Replies: 5
Views: 4,197
Posted By pwyg

I have the older Everest cast MTB lug for sale I...

I have the older Everest cast MTB lug for sale I have upper head lugs in 71 and 76 degree, lower head in 60, 62 and 66 degree and seat in 73. I also have the 2 bottom bracket shells the MT 1 and the...
08-02-16, 07:15 AM
Replies: 5
Views: 1,532
Posted By pwyg

Yes tap it in with a hammer I often had the same...

Yes tap it in with a hammer I often had the same problem with those in the past, when they are screwed in too far the shell constricts the female spline. very common with plastic i also had an alloy...
Showing results 1 to 50 of 55
 


 
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