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Campagnolo used pot metal?

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Old 05-13-11, 10:05 AM
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I actually have a NR with a Rally cage. Last time I tried it on the Peugeot it was noisy on the big cog and I gave up on it. I made a chainline adjustment at the same time, though. Maybe I'll give it another try this weekend.

LeicaLad

Maybe I was being overly sensitive. I'm at work and not having a good day.

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Old 05-13-11, 10:07 AM
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Alright, I just found the auction. Man........I wish I could get a close up shot of the broken area. That's one of the ways to tell before you even buy it. But, I think a clue is the chrome plating he points out. Aluminum isn't usually chrome plated on derailleurs. That I know of, anyway. I've never seen it.????
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Old 05-13-11, 10:15 AM
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Cast zinc.....hardly. It looks like cast aluminum with high porosity.
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Old 05-13-11, 10:20 AM
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Originally Posted by thook
Alright, I just found the auction. Man........I wish I could get a close up shot of the broken area. That's one of the ways to tell before you even buy it. But, I think a clue is the chrome plating he points out. Aluminum isn't usually chrome plated on derailleurs. That I know of, anyway. I've never seen it.????
Nor I and I've mucked with a bunch...anodized or clear anodized yes...actually plated no.
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Old 05-13-11, 10:25 AM
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GB, Have you tried an HG freewheel? You should be able to find one in a 6 speed and that will probably help you with the shifting performance I think your looking for. I love my Regina freewheels but when paired with my SR the shifting on an HG freewheel can't be beat. And after it gets some chain lube on it its harder to tell at least what it is.

When I worked at the bike shop in the 80's I saw a few NR with the Rally cages come in on touring rigs. You won't find many people sing there praises because of the lack of internet back then and, lets face it, when combined with straight tooth freewheel the shifting really does leave a lot to be desired.

I am planning a build right now with this.

The Suntours back then shifted better but not stellar, Also we loved the VGT-Luxe from a maintenance point of view with not having to break the chain or remove a greasy pulley but we did tend to see more of them get the cages bent in a bad way. Which is probably why you don't see all derailleurs like that. And GB does have the point, the suntour just never did look right on a campy/french bike, even though we installed an awful lot of them as replacements back then. I think the going price was somewhere between 8 to 20 for a Suntour RD vs 100+ for Campy or waiting to order a metal french RD, if we could find them and pay double or triple...

Reading...
Rally with Short Cage
https://www.bikeforums.net/showthread...nd-Super-Rally


NR/SR with Long Cage
https://www.bikeforums.net/showthread...o-Triple-Crank

Grand Bois's original setup
https://www.bikeforums.net/showthread...ileur-Capacity
Then his finding of Suntour...
https://www.bikeforums.net/showthread...learned-today.
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Old 05-13-11, 10:27 AM
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Someone asked me about my bike in the picture I posted. I'm running the TA 42 inner triplizer ring that fits the Campagnolo 144 crank and allows you to add an inner TA ring with a triple spindle. Last one I got was from Peter White. Really a lifesaver (kneesaver?) for us old farts.
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Old 05-13-11, 10:39 AM
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The freewheel on the Peugeot is a 14X28 Uniglide five speed. It's a big improvement over the Reginas I used to use. I'll be watching for a Hyperglide 6 speed. I'd like to go to a 14X30 anyway. The only difference is the ramps to aid downshifting AFAIK.

Last edited by Grand Bois; 05-13-11 at 10:49 AM.
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Old 05-13-11, 10:45 AM
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Originally Posted by dbakl
Someone asked me about my bike in the picture I posted. I'm running the TA 42 inner triplizer ring that fits the Campagnolo 144 crank and allows you to add an inner TA ring with a triple spindle. Last one I got was from Peter White. Really a lifesaver (kneesaver?) for us old farts.
HIJACK ALERT!! did you post this in a diferent thread a few weeks ago? someone post a setup like this and a link to website where they had lots of old goodies including these triplizers.
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Old 05-13-11, 10:56 AM
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On further reading......

Pot metal was/is used a lot when manufacturers want to make a test product/prototype without spending a lot of money. It's cheap and easy to mold without using any special equipment. Manufacturers also would use a plate finish to help disguise the pot metal since it would otherwise remain lack luster and oxidize easily leaving a pitted surface and easily break down......thereby making it brittle and easily broken from use. Now, if the 1st generation of the Rally was made of pot metal........well, that could stand to reason. But, the definitive factor is then using the polish on a non-plated surface. Pot metal will not shine.

Okay....that's my 2 cents.
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Old 05-13-11, 11:16 AM
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Well at least we found the original source for "pot metal" probably.
https://www.campyonly.com/phpBB3/viewtopic.php?f=8&t=90

It isn't pot metal but is also isn't the best example of cast aluminum.
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Old 05-13-11, 11:40 AM
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Ah, because.......according to what "Pete" has to say........the pot metal variety didn't have the huge Campy logo cast into it, right? But, there seems to be a slight discrepancy because the model shown on ebay (and in the pic supplied earlier in the thread) still has the thinner neck yet also the Campy tag casting.
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Old 05-13-11, 11:50 AM
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I'm not sure if that rough looking material in the posted Rally pics is "Pot metal" (usually a term used Diecast zinc alloys or Zamak) It could be just sand cast aluminum alloy which I think is stronger as sand cast aluminum is used on high stress items like engine blocks.

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Old 05-13-11, 12:09 PM
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Originally Posted by Grand Bois
I actually have a NR with a Rally cage.. it was noisy on the big cog and I gave up on it.
Over the years I've found the NR bodies are easy to get out of alignment. Sometimes I put a big cresent wrench on them and tweek to get the jockey wheels and the freewheel running in the same line. If not, its noisy.
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Old 05-13-11, 12:12 PM
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Originally Posted by Bianchigirll
HIJACK ALERT!! did you post this in a diferent thread a few weeks ago? someone post a setup like this and a link to website where they had lots of old goodies including these triplizers.
WTF? Hijack why? I don't make OR sell the parts.

Just providing information because someone asked and thought someone else might want to know too. Jeez, I thought this was a discussion forum? But yeah, I have posted those pics before.
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Old 05-13-11, 12:35 PM
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Originally Posted by thook
Ah, because.......according to what "Pete" has to say........the pot metal variety didn't have the huge Campy logo cast into it, right? But, there seems to be a slight discrepancy because the model shown on ebay (and in the pic supplied earlier in the thread) still has the thinner neck yet also the Campy tag casting.
"Pete" said the prototype did not have the Campagnolo lettering. I doubt that he meant to say that all of the thin-necked units made through mid-1975 did not have the lettering or that they were not made of pot metal.

I'd still like to have a 1st generation Rally just because I think they look cool -pot metal or not. I just don't want to pay $100 for one. I've also been looking at the Comp Triples. I think I could make one work by spacing the cage for the wider chain. I understand that they shift well.

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Old 05-13-11, 12:45 PM
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Originally Posted by dbakl
I'm building another bike, and I'm going with a 34 in the rear. I think the NR style will run it.
Holy chit! Really? I thought I've read in the past 28T is the max (I thought they were some of your archived posts, in fact). This would be good news to me.

Originally Posted by dbakl
WTF? Hijack why? I don't make OR sell the parts.Just providing information because someone asked and thought someone else might want to know too. Jeez, I thought this was a discussion forum? But yeah, I have posted those pics before.
I think she means she's hijacking, because she's interested.
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Old 05-13-11, 01:12 PM
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I think I'm not the only one that's a little tense today. A nice ride will fix that.
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Old 05-13-11, 01:20 PM
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Originally Posted by JunkYardBike
Holy chit! Really? I thought I've read in the past 28T is the max (I thought they were some of your archived posts, in fact). This would be good news to me.



I think she means she's hijacking, because she's interested.
I've run 28s and 30s with a short cage NR. If you look at the pic I posted, looks like a 34 will work easily with a NR style RALLY long cage. Oh, I got my last triplizer 144 here; scroll down the page a bit:

https://www.peterwhitecycles.com/chainrings.asp
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Old 05-13-11, 02:04 PM
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Originally Posted by dbakl
WTF? Hijack why? I don't make OR sell the parts.

Just providing information because someone asked and thought someone else might want to know too. Jeez, I thought this was a discussion forum? But yeah, I have posted those pics before.

I think BG is trying to tell you someone hijacked your pics and they are used as reference on a retail website.

I had some sites jacking my public photos on Flickr for their own use a few months ago.
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Old 05-13-11, 02:33 PM
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I don't think so.
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Old 05-13-11, 02:37 PM
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Let's just assume we all mean well.

https://www.flickr.com/photos/8379107...7622574585267/

This is a link to Bob Freeman's triple-izing of Campy arms. He can do others that are equally flat.

I'm not sure what comes with Peter's triple-izing ring, but Bob's process includes the drilling, bolts and a TA ring. As noted, the downside is that it's permanent. Seems like it's useful here, as we're talking wide-ranging derailleurs.

It's true that the Rally's claim a hefty price, but me thinks the prices are below what they sold for new – adjusted for inflation. But that only means they were bl**dy expensive back in the day, too.

Still, as functional eye-candy, they are really hard to beat.

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Old 05-13-11, 02:46 PM
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Originally Posted by Grand Bois
"Pete" said the prototype did not have the Campagnolo lettering. I doubt that he meant to say that all of the thin-necked units made through mid-1975 did not have the lettering or that they were not made of pot metal.

.

Okay, I see what you're saying. So, everything taken into account, the ebay is an alloy unit, then. Well, that's cool to know. At some point I'd like a Rally/NR set up. Maybe someone will trade me for an Arabesque touring set down the road........if there's any Rallies left.
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Old 05-13-11, 02:47 PM
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Originally Posted by LeicaLad
Campy arms.
They should be in a museum!


Originally Posted by thook
if there's any Rallies left.
They never sold when they were new, that's why NOS ones are on ebay!
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Old 05-13-11, 03:10 PM
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Originally Posted by thook
Okay, I see what you're saying. So, everything taken into account, the ebay is an alloy unit, then. Well, that's cool to know. At some point I'd like a Rally/NR set up. Maybe someone will trade me for an Arabesque touring set down the road........if there's any Rallies left.
I haven't reached that conclusion based on what I've read here and I don't know how you could have. I still don't know if they are pot metal or aluminum. I think it would be good to know for sure. That's why I brought it up.
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Old 05-13-11, 07:33 PM
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Originally Posted by dbakl
The slant limits the size of the large cog, making the long cage almost unnecessary. I couldn't get one to run a 28 in the rear and a triple up front. I'm building another bike, and I'm going with a 34 in the rear. I think the NR style will run it.
I have a 1st generation Rally working fine on my tandem with a 14-32 freewheel and 50-45-28 triple crank:

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