Washer hack for Huret dropout?
09-17-21, 10:23 AM
#1
ambulatory senior
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Washer hack for Huret dropout?
I saw a pick of a suntour derailleur on a huret dropout aided by a washer modified to replace the 7 o'clock tab of a typical campy dropout. If I could see the washer alone it would help. Just wondering if anyone could point me to such a pic?
My new competition has lovely huret derailleurs and I want to keep them lovely.
My new competition has lovely huret derailleurs and I want to keep them lovely.
09-17-21, 10:26 AM
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I have one on the slab. I’ll take some pix and measurements for you.
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09-17-21, 10:40 AM
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09-17-21, 10:41 AM
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What I did once was to find a thin steel washer that fit over the derailleur bolt. Then I clamped just a small edge in a shop vise and hammered it over until I had just a small lip bent over. Then I installed a modernish shimano derailleur, using the washer lip to bridge the gap between where the Huret tab is and where derailleur wanted it to be. It worked well enough to run 8spd STI levers on the bike with probably 28t cassette.
I'm pretty sure I still have that washer, I'll see if I can find it and take pics of it in action.
I'm pretty sure I still have that washer, I'll see if I can find it and take pics of it in action.
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09-17-21, 10:45 AM
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You guys are the best
09-17-21, 10:51 AM
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I made a convoluted "fix: to do that for the first year of my ownership of a Raleigh Competition. Forget what I did. Worked well but making and installing it wasn't easy. That bike then went to be stripped, inspected and repainted as I didn't trust the workmanship. While there. the dropout was modified to the new standard. (I assume with a piece of steel brazed in. Bike also got the seat lug pin area completely overhauled to the current seatpin standard, WB bosses and braze for the lugs! Enough work that I never asked about the hanger stop details.)
Thinking about that washer just now - I wonder if you could shape a little piece of say 1/4" plate 6061 aluminum to a "parallelogram" with arcs instead of circles top and bottom to (looking from the side) fit the hanger and stop with the back flat of the shape serving as the new stop. Drill a countersunk hole in a large fender washer and a matching tapped hole in the new small piece. (It would take a tiny screw to do this but it only needs to keep it from falling off.) Ace Hardware probably has the perfect flat head metric SS screw for the job.
I'd get a stainless steel fender washer with a smaller inside diameter than the hanger bolt and drill to just clear the bolt. Might well have to cut down the rest of the bolt to clear derailleur, chain, cog, etc, leaving just the tab for the new piece.
Thinking about that washer just now - I wonder if you could shape a little piece of say 1/4" plate 6061 aluminum to a "parallelogram" with arcs instead of circles top and bottom to (looking from the side) fit the hanger and stop with the back flat of the shape serving as the new stop. Drill a countersunk hole in a large fender washer and a matching tapped hole in the new small piece. (It would take a tiny screw to do this but it only needs to keep it from falling off.) Ace Hardware probably has the perfect flat head metric SS screw for the job.
I'd get a stainless steel fender washer with a smaller inside diameter than the hanger bolt and drill to just clear the bolt. Might well have to cut down the rest of the bolt to clear derailleur, chain, cog, etc, leaving just the tab for the new piece.
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09-17-21, 11:05 AM
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This washer was found on a Super Course MkII with Huret dropouts, required to mount the Jubilee RD!
A brass washer might work as well. Break out the drill, vice and hammer!
Huret dropout
A brass washer might work as well. Break out the drill, vice and hammer!
Huret dropout
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09-17-21, 11:33 AM
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Picture Assistance
Not my bike. Not my Project. All appropriate attribution. I found this well documented hack as like the author I've an early 1964 Schwinn Super Sport with the Huret hanger.
09-17-21, 02:10 PM
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Maybe you saw mine (or one like it)? Here's a Flickr album for the bike:
https://flic.kr/s/aHsmExCX2D
Scroll down and you'll see the fender washer marked for cutting. They were whatever was right at the local hardware store. Buy a few. I think it took me three tries to get it right, but I eventually did.
https://flic.kr/s/aHsmExCX2D
Scroll down and you'll see the fender washer marked for cutting. They were whatever was right at the local hardware store. Buy a few. I think it took me three tries to get it right, but I eventually did.
09-17-21, 02:25 PM
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I picked up a fender washer and will get started soon. You guys inspire me.
09-17-21, 07:42 PM
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Not gonna show my horrible looking washer but I will say it seems to work!!!
10-09-21, 08:40 AM
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I needed another one and the shape of the washer reminded me of a 3/4" copper pipe cap. It only took about 25 minutes to fashion this one from copper. No hammering required.
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10-09-21, 09:45 AM
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Clever!
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10-09-21, 10:28 AM
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If I had my super sport back and I wanted to do this, I would probably try to scrape off the paint right there, and stick a little piece in with my wife’s big stained glass soldering iron.
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10-09-21, 10:51 AM
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Answers To All Yer Questions
To all...
As they used to say in the sarcastic old rec.bicycles.tech news group.... "GOOGLE IS YOUR FRIEND"
Kidding aside, you may be more likely to find BF solutions via a Google search than using the search engine in the Forum...
I put together this Flickr album back in 2010 and I've posted it here and on several other sites numerous times:
https://www.flickr.com/photos/282672...57623530295917
Click on the photos and read the details below them.
verktyg
Getting old and cranky....
As they used to say in the sarcastic old rec.bicycles.tech news group.... "GOOGLE IS YOUR FRIEND"
Kidding aside, you may be more likely to find BF solutions via a Google search than using the search engine in the Forum...
I put together this Flickr album back in 2010 and I've posted it here and on several other sites numerous times:
https://www.flickr.com/photos/282672...57623530295917
Click on the photos and read the details below them.
verktyg
Getting old and cranky....
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Chas. ;-)
