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1978 Team Gitane - Added to French Collection 
PostPosted: Fri Sep 12, 2008 4:17 am Reply with quote
Gtane
Joined: 14 Sep 2007
Posts: 681
Location: UK
M. Emile Arbes, who's fantastic bicycle collection Chas located last year, has just added a glorious Gitane team bike from 1978. It's the team bike of the Belgian rider, Willy Teirlinck.

Here's the link to the 1978 bike - http://velosvintage.ultim-blog.com/238975/velo-gitane-1978/

The whole collection can be viewed from M. Arbes' homepage - http://velosvintage.ultim-blog.com/

Below is the link to Chas' original post about the same collector and his wonderful Gitanes, among others.

http://www.gitaneusa.com/forum/viewtopic.php?p=2284&highlight=#2284


Tim

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PostPosted: Fri Sep 12, 2008 8:20 pm Reply with quote
sandranian
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Thanks for posting this link. Note the fork blades...the bottom inside of which are not filed. This went on through the late 1980's....

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PostPosted: Sat Sep 13, 2008 4:24 am Reply with quote
Gtane
Joined: 14 Sep 2007
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Location: UK
sandranian wrote:
Note the fork blades...the bottom inside of which are not filed. This went on through the late 1980's....


Stephan, I'm interested to know more about fork filing as you have mentioned it before and I wondered if there is something significant about this detail. Is this detail particular to Gitane or is it a style that was adopted or does it indicate something, etc.? I'm not sure but would like to know more, if there is more.

Thanks

Tim

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PostPosted: Sat Sep 13, 2008 5:54 am Reply with quote
sandranian
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I have not seen any other manufacturer finish (or not finish, as it were) their bikes this way. Gitane appears to be the only one.

Please...someone...prove me wrong!

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Fork blades 
PostPosted: Sat Sep 13, 2008 9:52 am Reply with quote
verktyg
Joined: 14 Jan 2007
Posts: 2814
Location: SF Bay Area
Stephan,

Yes, no, maybe....

Tubing manufacturers produced forks and stays with either some kind of "domed" end or a square cut off end. Reynolds and Vitus supplied tuing both ways but I don't recall ever seeing domed Columbus tubes. They were priced the same either way.



Here's a rundown of the fork blades on my Gitanes:

Late 60s TdF - V cut outside, square cut inside (like yours)

1984 TdF - Domed

1984 Super Corsa - Domed

1985-86 Professional - Domed

1990s - Team OS Columbus - Tapered outside, square cut inside


The domed end tubes are the easiest to braze and finish. I think that some builders just sand blasted them; they've never been touched with a file after brazing unless there's a gob of brass hanging out.

Square end tubes take longer to braze because you have to fill up the gaps between the sides of the dropouts and the inside of the tubes. When you remove the flux after brazing there can be voids in the filler. That's one reason the ends are filed - to give a better cosmetic appearance.

Filing the tube ends above the dropouts is a lot of work especially to get them tapered. It appears to have been done by hand on most frames I've ever seen as opposed to being ground or cut with a burr.

As for Gitane forks, are you familiar with the phrase "Milking the buffalo"? It would probably translate into "squeezing the croissant" in French! Shocked

Chas.
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PostPosted: Sat Sep 13, 2008 11:16 am Reply with quote
sandranian
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I think you are agreeing with me? Gitane was lazy about the finish, and didn't bother filing the inside of the fork blade.

I have not seen any other manufacturer with these types of fork blade ends, and just want to hear from someone who has....

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PostPosted: Sat Sep 13, 2008 12:20 pm Reply with quote
verktyg
Joined: 14 Jan 2007
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sandranian wrote:
Gitane was lazy about the finish, and didn't bother filing the inside of the fork blade.


Read FRUGAL! (Cheap) Twisted Evil

Consider this, over the past 100 years most bikes were made for "pedestrian" transportation or as kid's toys.

Who would have guessed that years later aficionados like us would be nit picking over manufacturing and finish details on 20 to 50 year old bikes. Rolling Eyes

The Frecnh view was that bikes were made for riding not to be looked at! Laughing

With the exception of custom bikes made by French constructeurs (custom builders) like Rene Herse, Alex Singer and others, until the late 1970s most French bikes had a reputation for poor quality finish.

I'll check out the forks on my other bikes when I get a chance.

Chas.
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You're wrong ;-) 
PostPosted: Sat Sep 13, 2008 12:40 pm Reply with quote
verktyg
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Stephan,

You're wrong... Razz Laughing

I checked the forks on all of my bikes - don't ask how many... Embarassed

I even looked at the the fork ends on several old French forks that I have - Gitane???

These are French, Italian, British plus 2 Japanese made bikes.

My 1984 Bertin C37 Reynolds 531 has the same cut off tubes on the inside of the blades as found on some Gitanes. All of my other Bertins have domed or modified domed fork ends.

Squashed croissants! Laughing

Chas.
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PostPosted: Sat Sep 13, 2008 3:01 pm Reply with quote
sandranian
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Wasn't the first time I have been wrong...and won't be the last. Honestly, I haven't looked at many other bikes, so I really didn't know. Every time I asked, no one gave me an answer...until you, Chaz...you've completely changed my life!!! Laughing

At least now I know that Gitane was not the only lazy manufacturer....

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Blush... 
PostPosted: Sat Sep 13, 2008 4:06 pm Reply with quote
verktyg
Joined: 14 Jan 2007
Posts: 2814
Location: SF Bay Area
Stephan,

I don't know what to say... I'm honored. Embarassed

A lot of French (and British) bike makers used domed forks and stays on most of their bikes (less finish work). Some of the better French models had a V or "fish tail" notch cut into the outside of the fork blades at the dropout (like on the Bike Boom era TdF and Super Corsa bikes).

I seem to remember a number of other French bikes with the square ends on the inside of the forks. VeloSolex is one that comes to mind. I never paid much attention to that "feature".

Chas.
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PostPosted: Sat Sep 13, 2008 4:52 pm Reply with quote
cooltech
Joined: 21 Aug 2007
Posts: 27
Location: U.S. Pennsylvania
Reading this thread makes me want to find more old bikes and restore and ride. I still have one to work on.
cooltech Cool

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Tks. for th op. to be here. glad I found the Gitane site
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PostPosted: Sun Sep 14, 2008 10:04 am Reply with quote
Gtane
Joined: 14 Sep 2007
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Location: UK
Thanks very much indeed Stephan and Chas. This was most helpful.

Cooltech - definitely restore or maintain older machines. It's a super hobby that has huge detail and history with a great deal to offer anyone interested. There is always something new, going forwards, backwards or even in the present day.

Tim

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1978 Team Gitane - Added to French Collection 
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