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Gillott mixte in the Atelier

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Old 11-30-20, 12:07 PM
  #51  
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Originally Posted by 79pmooney
Is that a punch mark in the center of the chainstay support? Seems too carefully located to be an accident.

And edit! I finally learned how to do multi-quotes!!
Yes, that punch mark is Ron Cooper "maker's mark," on my '74ish Racing Bike. (If the Gillott mixte being gugiefied was from Ron Cooper's hand, it likely would bear this mark.)

Congratulations on becoming multi-quotal!

Last edited by machinist42; 11-30-20 at 12:49 PM.
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Old 11-30-20, 10:09 PM
  #52  
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Originally Posted by repechage
only being distant observer web aware there have been features to tighten up security for the user and site owner, also a new style of “ambulance chaser” lawyer who works with a disabled “client” and files what is essentially an extortion suit. All can be fixed, just takes time and money, raises the cost of running a site.
In this case, no conspiracy. I emailed Dave, he took a look at the web builder site he was using and saw that there was a toggle he didn't click (SSL certificate or something like that). Clicked it, now it's "secure".
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Old 11-30-20, 10:16 PM
  #53  
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Got an email back from the customer, he bought it from a gentleman in his 80's who is selling off his bicycles, looking for a good home, and found one. He claimed Ron Cooper built it, so I'll go with that.
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Old 12-26-20, 09:45 PM
  #54  
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Update! Torch fired up

With two weeks off from work at the end of the year, it's time to catch up on Atelier projects. I've been staring and dreaming of working on this one for awhile. With some anxiety (this one's a beauty to start with), the work begins.

First, a proper derailleur hanger is desired. This was my first challenge on this frame mod. The stamped steel dropouts are rather thin compared to a forged bit. I wanted to use a horizontal dropout as a donor, I can cut these to give a rather long contact for good purchase. I have a damaged, no-name DIY project frame in the Atelier that was given to me with Campy 1010 dropouts that I'll likely never get around to repairing. Like a kidney transplant donor, it gave up part of it's body so that another could live a better life.

Here's the cut, filed square and straight bit to give me an idea of how it would fit up.



The bottom of the Gillot dropouts are rounded, so they need to be flattened to match the hanger piece. I carefully clamped the dropout in my vise and rested the other end of the frame on my bench. Hacksaw and file later, it's ready to match the hanger.



Flux, clamp with a cheap set of Harbor Freight vise grips, and brass it in place.



Next step is clean up. Note the step - the sheet metal dropouts on this old Gillott are much narrower than the derailleur hanger body. I'll build this back up with some silvered in stainless sheet metal, and cut and file it to match the curvature of this elegant dropout

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Old 12-26-20, 10:14 PM
  #55  
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Challenge #2 - getting the fenders to fit up past the twin laterals

@repechage saw this one coming. The SimWorks fenders that the client picked out are 54mm wide. Clearance at the seat stays is about 56, no problem. Chainstay clearance is much less, but I can shape the stays around them as I've done in the past. The problem is the twin lateral stays. Tire clearance there is about the same as the chainstays, but add a fender, no dice. If I form the fenders around the twin laterals I may lose tire clearance. What to do? Radical surgery is the solution.

First, let's take a look at what we're up against. I've already rough brazed in fender attachment points in this picture on the chain and seat bridges. This sets the path the fender will take. Notice that the twin laterals bend inwards to attach to the seat tube - the more "standard" construction is to add one of these - but that adds weight, and the builder clearly wanted this to be as light as possible. If you look carefully you can see a Sharpie clue as to what's in store for this frame.


My file set gave up one of it's nine lives on this one.


No, I did not leave that gaping hole. It's common to use tubing cutoffs as seat stay caps. Similarly I took a piece of head tube scrap, cut it down the middle, flattened it out some, and brassed it in. Lots of hacking and filing later, I've got this.


Removing the fender you can see what I did.
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Old 12-26-20, 11:00 PM
  #56  
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Woah! I have to admit seeing that picture of the stay cut away made me feel a bit squeamish. That was an audacious thing to do on such a nice frame but you pulled it off! Nice work, Mark!
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Old 12-26-20, 11:15 PM
  #57  
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Mmm, scallops.
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Old 12-27-20, 12:02 AM
  #58  
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I’m really enjoying following this thread, fine workmanship indeed on all counts. I was not aware of faux lugs before, learn something new every day. I think I would have tried canti stud bases such as they use on mtbs (mounted instead toward the outside) in order to mount the brakes to the laterals, both for the simpler cable routing and to maintain the integrity of the tubes, but I like what you did with the scallops very much.
Do you leave a maker’s mark, Mark?
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Old 12-27-20, 10:41 AM
  #59  
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Originally Posted by northbend
Woah! I have to admit seeing that picture of the stay cut away made me feel a bit squeamish. That was an audacious thing to do on such a nice frame but you pulled it off! Nice work, Mark!
And you weren't the guy with a file in his hand! It's one thing to do something like this on a frame you're building - if you screw up you can replace a tube. Filing in place, making sure I didn't nick any surrounding tubes on a frame built in 1952 from a famous frame house...

Originally Posted by 73StellaSX76
I’m really enjoying following this thread, fine workmanship indeed on all counts. I was not aware of faux lugs before, learn something new every day. I think I would have tried canti stud bases such as they use on mtbs (mounted instead toward the outside) in order to mount the brakes to the laterals, both for the simpler cable routing and to maintain the integrity of the tubes, but I like what you did with the scallops very much.
Do you leave a maker’s mark, Mark?
Brake selection was done by the customer. I'd already done a 650b conversion for his bike, I'd guess he wants them to match stylistically.

As for my maker's mark:

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Old 12-27-20, 01:17 PM
  #60  
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Interesting work on the Gillott. Cooper-Gugi-Ficazione. Little nervous about the derailleur hanger, seems it could flex laterally without extending the thickness of the forged piece along the full side of the original dropout. But you know bettah n me.
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Old 12-28-20, 11:48 PM
  #61  
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Originally Posted by gugie
With two weeks off from work at the end of the year, it's time to catch up on Atelier projects. I've been staring and dreaming of working on this one for awhile. With some anxiety (this one's a beauty to start with), the work begins.

First, a proper derailleur hanger is desired. This was my first challenge on this frame mod. The stamped steel dropouts are rather thin compared to a forged bit. I wanted to use a horizontal dropout as a donor, I can cut these to give a rather long contact for good purchase. I have a damaged, no-name DIY project frame in the Atelier that was given to me with Campy 1010 dropouts that I'll likely never get around to repairing. Like a kidney transplant donor, it gave up part of it's body so that another could live a better life.

....

Next step is clean up. Note the step - the sheet metal dropouts on this old Gillott are much narrower than the derailleur hanger body. I'll build this back up with some silvered in stainless sheet metal, and cut and file it to match the curvature of this elegant dropout

Huh. I have a vague, dusty memory of a derailleur hanger braze-on exactly that shape except that was all there was to it... as if someone offered a piece to do exactly what you're doing here. I can't remember where I saw it but it's got to be at least 30 years ago.
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Old 12-29-20, 12:01 AM
  #62  
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Beautiful work! Resto-modification with components is one thing. Doing so with the frameset is another, and I think that is one of the better ways to go if one really likes a frame and wants more from it in terms of features or convenience or conversion. Bravo!
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Old 12-29-20, 12:08 AM
  #63  
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Originally Posted by Jeff Wills
Huh. I have a vague, dusty memory of a derailleur hanger braze-on exactly that shape except that was all there was to it... as if someone offered a piece to do exactly what you're doing here. I can't remember where I saw it but it's got to be at least 30 years ago.
Campagnolo Article 80/1. Here's a picture of one from @bulgie's Flickr site:


I recall seeing these in one of those rare Campy spare part drawers at an LBS I worked at 4 decades ago. They're very rare nowadays.
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Old 12-29-20, 12:53 AM
  #64  
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Originally Posted by gugie
Campagnolo Article 80/1. Here's a picture of one from @bulgie's Flickr site:


I recall seeing these in one of those rare Campy spare part drawers at an LBS I worked at 4 decades ago. They're very rare nowadays.
That one is even rarer being the 1950s version with the drilled hole for a Sport mech — the ones with a spring in the upper pivot. Most of the 80/1 examples you find do not have the hole, nor the raised surround for the hole.
In 1010 dropouts, you see three styles (from oldest to newest)
  1. Raised surround, and hole
  2. Raised surround (same forging die) but no drilled hole (transitional, early-mid '60s I think)
  3. No raised surround (updated forging die).
er, I don't mean those are the only 3 kinds, I mean those are 3 kinds you'll see, among others. The very oldest dropouts for example do not have the hole or the surround because they predate the Cambio Sport.

This one in the photo got brazed onto a real 1950s frame that originally had the hanger with the hole, but some DAPO hacksawed the hanger off many years ago. That bike even got a hybrid Record/Sport Frankenmech with the sprung upper, so the hole is being used for its intended purpose.

Mark B in Seattle
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Old 12-29-20, 05:08 AM
  #65  
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Originally Posted by gugie
Campagnolo Article 80/1.

I recall seeing these in one of those rare Campy spare part drawers at an LBS I worked at 4 decades ago. They're very rare nowadays.
That looks like the Campy part Peter Dreesens applied to my 1974 Crescent 319 when I first got it. He had a box of them too. A PO had chopped off the hanger from its Suntour GS dropout. Peter did great fitting it with the 26mm drop I asked for. Silver soldered it on using plenty of damp rags to cool and protect the paint of the frame. Lo these many rears and miles later the bike is still doing great. Good as new.

Nice work fitting one to the stamped DO.
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Old 12-29-20, 08:52 AM
  #66  
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I missed this the first time around, what a project! Looking on with interest, always fun to watch as the story develops.
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Old 12-29-20, 11:24 PM
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Originally Posted by gugie
Campagnolo Article 80/1. Here's a picture of one from @bulgie's Flickr site:

.
And I say this: Ding!

There was a bin of them on the braze-on shelf at Euro-Asia Imports... 30 years ago. I bet they're still there.
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Old 07-13-22, 06:23 PM
  #68  
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Update! Paint job completed

The customer dropped this frame off at Argos Racing Cycles in Bristol, England (He lives across the river in Cardiff, Wales). Like many good things, the wait was worth it, I believe.

Pix from the Argos Instagram account:




I'm always honored when customers go for an expensive wet paint job on top of my work.

The build is next!
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Old 07-13-22, 09:20 PM
  #69  
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Originally Posted by gugie
The customer dropped this frame off at Argos Racing Cycles in Bristol, England (He lives across the river in Cardiff, Wales). Like many good things, the wait was worth it, I believe.

Pix from the Argos Instagram account:




I'm always honored when customers go for an expensive wet paint job on top of my work.

The build is next!
H**Y CRAP!

That is flippin awesome, one of the coolest things I've seen in a long time.

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Old 07-13-22, 10:05 PM
  #70  
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Way damn cool!
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Old 07-14-22, 12:44 AM
  #71  
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I'm in love.
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Old 07-14-22, 12:49 AM
  #72  
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This has to be the all-time great zombie thread.

Fantastic work, @gugie. You should be very proud.
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Old 07-14-22, 09:13 AM
  #73  
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Thanks! A top notch wet paint job would make a Firenze look great.
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Old 07-14-22, 09:25 AM
  #74  
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Originally Posted by gugie
Thanks! A top notch wet paint job would make a Firenze look great.
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Old 07-14-22, 10:45 AM
  #75  
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And here's what is in that building now . . . . For those of us who remember Matthews, this is probably a step up.

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