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Old 11-18-07, 07:07 PM   #1
el twe
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Oh no! The Casati's cracked!

Last night I discovered a nice little crack running along the lower head lug on my Casati Gold Line.



I'm going back to Santa Cruz on Wednesday and know a few framebuilders there who I could talk to about repair, but I don't think it'll be cheap. I'm almost tempted to start hunting for a new frame (but save the Casati for something later). Am I crazy? Either way it'll be expensive, and I'm running on a really tight budget these days, so anything drastic may have to wait until much later (February/March, when I actually have a job again).

I felt some chattering on my last ride, but I just assumed it was the headset (it's pitted). Could it be this crack?
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Old 11-18-07, 07:16 PM   #2
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I hate it when this happens. Don't feel bad, it happens to the best of 'em. But that doesn't make it feel any better.
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Old 11-18-07, 08:16 PM   #3
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That could account for the chattering.

el twe - I feel your pain. Really sorry to hear about this. Casati is one make of bike I have on my list for "someday" - just after Frejus and maybe Somec. hope it's either salvageable, or that something equally nice falls into your hands shortly.
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Old 11-18-07, 08:55 PM   #4
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The good news is that a framebuilding friend of mine has expressed some interest in doing the replacement. Now we just need to talk prices.

USAZorro - I know it's salvageable, it's just a matter of my being able to afford it.
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Old 11-18-07, 09:32 PM   #5
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Unfortunately the repaint is as usually as expensive as the repair.
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Old 11-18-07, 09:36 PM   #6
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I know. I was planning on getting it repainted anyway, so this makes for a good excuse.
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Old 11-18-07, 09:38 PM   #7
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I'm curious, was that frame ridden hard by you or previous owner(s)?

Given the negative publicity about the inherent weaknesses of CF and aluminum, I've been surprised to find quite a few threads on BF recently related to steel failures. Yes, I know steel can be repaired, but it seems the cost is often prohibitive.
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Old 11-18-07, 09:45 PM   #8
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I think any auto/weld shop could TIG weld that to perfection for relatively little money. Paint work for a total respray, well MAACO does a whole car for a few hundred. Best tube welders I've found and learned from are the Aircraft restorers/builders
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Old 11-18-07, 09:58 PM   #9
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i just dont think tig is going to cut it on a casati
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Old 11-18-07, 09:59 PM   #10
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I don't think TIG welds quite cut it for anything!

Such a shame, for a purple bike!
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Old 11-18-07, 10:07 PM   #11
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Why wouldnt TIG cut it. It's not CF. TIG can weld aluminum foil together in good hands. Are you thinking of MIG?
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Old 11-18-07, 10:21 PM   #12
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TIG is very sloppy compared to a silver-brazed lug joint. If I just wanted to ride it into the ground, I'd opt for a simple spot weld. Trouble is, I imagine it would ruin the lug if I ever wanted to do it correctly.

My friend has agreed to do the work, and for a very nice price.
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Old 11-18-07, 10:25 PM   #13
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I'm curious, was that frame ridden hard by you or previous owner(s)?
I went back and looked at the pictures I took when I first bought the bike, and it appears there was a minor crack, but it didn't extend past the lug. The frame was used by a messenger in Santa Cruz who used it to carry heavy-loaded trailers. He bought it from a notoriously shady bike shop, so who knows what history is behind it.
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Old 11-18-07, 10:25 PM   #14
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I believe that you have commited a Cardinal Sin!

Tungsten
Inert
Gas is a welding operation.

The bike we have here has been brazed.

You die!


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Old 11-18-07, 10:30 PM   #15
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wait who sinned?
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Old 11-18-07, 10:31 PM   #16
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I hope he means prschaa.
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Old 11-18-07, 10:34 PM   #17
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I hope he means prschaa.

By all means!

(L O L)

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Old 11-18-07, 10:36 PM   #18
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Sorry no offense,, I restore Vintage Porsche's as a hobby where brazing is a sin, lower temp, lower strength bond of rookies (usually found in cheap previous repairs from the 60-70's). TIG is by no means sloppy it's the most fine controllable weld possible giving a a stronger seamless repair. Technically difficult, but materials in close approximation requires no filler material or very little, which can easily be ground level.
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Old 11-18-07, 10:36 PM   #19
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I have nothing against TIG or MIG for that matter, in the right situation. and this is not really the right situation. I would use TIG if I was building a frame with wonky angles or out of AL. For this bike though, it has to be brazed. Tis only right
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Old 11-18-07, 10:37 PM   #20
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Don't take it too hard 'Prschaa', you only die twice, -

The first, & the last.

(ROTFLMAO)


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Old 11-18-07, 10:41 PM   #21
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A good gas welder, is more than not, a good TIG welder.

regards,
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Old 11-18-07, 10:41 PM   #22
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Sorry no offense.

PS I really dig you sig.

Back on topic. El Twe, I am glad you found somebody to fix it so quick and at a fair price. Are you going to respray the same color? I hope so.
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Old 11-18-07, 10:52 PM   #23
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Same purple, but with a little more sparkle.

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Old 11-19-07, 01:10 AM   #24
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el twe,

I had the exact same crack in the exact same place on my Mondia. Ed Litton replaced the head tube on mine for $70. Then he painted it for $350.

If you're getting it painted anyway, replacing the tube is a snap for any experienced frame builder, and it is the best way to go.
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Old 11-19-07, 01:24 AM   #25
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Wow, $70 is quite a good deal. I was quoted $100, but I have the convenience of locality with him. I was also looking at about a $300 paint job. Maybe I can trick Dr. D. into something cheaper...
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