Campagnolo used pot metal?
#26
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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.
I used to love my rangefinder Nikons - until they got stolen. You're right, parallax error makes rangefinders unsuitable for closeups.
LeicaLad
Maybe I was being overly sensitive. I'm at work and not having a good day.
I used to love my rangefinder Nikons - until they got stolen. You're right, parallax error makes rangefinders unsuitable for closeups.
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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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Cast zinc.....hardly. It looks like cast aluminum with high porosity.
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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.????
#30
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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.
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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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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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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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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#34
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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.
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.
#35
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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.
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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#36
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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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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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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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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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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.
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.
Last edited by Grand Bois; 05-13-11 at 12:42 PM.
#41
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I think she means she's hijacking, because she's interested.
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https://www.peterwhitecycles.com/chainrings.asp
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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.
#46
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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.
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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1959 Hilton Wrigley Connoisseur (my favorite!)
1963 Hetchins Mountain King
1971 Gitane Tour de France (original owner)
* 1971 Gitane Super Corsa (crashed)
* rebuilt as upright cruiser
1971 Gitane Super Corsa #2 (sweet replacement)
1980 Ritchey Road Touring (The Grail Bike)
1982 Tom Ritchey Everest
(replacing stolen 1981 TR Everest custom)
1982 Tom Ritchey McKinley (touring pickup truck)
1985 ALAN Record (Glued & Screwed. A gift.)
#47
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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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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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