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Huffy + Campagnolo Super Record = The Ultimate C&V Sacrilege build

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Huffy + Campagnolo Super Record = The Ultimate C&V Sacrilege build

Old 03-28-23, 10:28 PM
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I dunno, don't you think 'LE GRANDE Campagnolo' on the top tube has a nice ring to it? If people don't know it's campy when you lift the Huffster above your head on podium, what's the point of using it?
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Old 03-28-23, 10:32 PM
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Originally Posted by Eric F
This makes the assumption that it was previously structurally sound. Can we go there?
We went there.
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Old 03-28-23, 10:34 PM
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Originally Posted by Piff
I dunno, don't you think 'LE GRANDE Campagnolo' on the top tube has a nice ring to it? If people don't know it's campy when you lift the Huffster above your head on podium, what's the point of using it?

One of the original early names that kinda crossed my mind as I was slugging out the miles in the freezing cold trying to stay sane wondering what the heck I was even doing was 'the Le Grandepagnolo'. Pretty sure it was escapism. Good times.
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Old 03-29-23, 01:35 AM
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Originally Posted by AdventureManCO
stoneageyosh dddd Mad Honk jdawginsc

So I haven't touched the rear brake bridge but I've had an idea kicking around in my head. It was based on some ideas that were thrown around earlier in this thread.

I sketched out the design I had in my mind, and was curious to get the collective critique on it, and to see how it jived with any of y'alls designs as well.

Good news is that I have the material on hand for it - just some 1.5" aluminum angle, it's basically a drop plate utilizing the stays as support, and also uses the 90 degree drop as a 'lock' in-between the stays to correct any of the lateral movement we've been talking about. Also don't mind using a couple of small pieces of leather between it and the stays to keep it from marring that gorgeous quality finish.


Nice sketches! I like it.

You might consider flattening the bulge rather than having the step up?
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Old 03-29-23, 04:16 AM
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Originally Posted by AdventureManCO
I be a the believin' sert. I should knoo, fer I already found me pot o' gold!

Aye, laddie, that be a pot of molten slag, not gold.

-Kurt
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Old 03-29-23, 04:55 AM
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Originally Posted by jdawginsc
I think he meant I was exaggerating, and pulling that number from my buttocks. Which I was.
Pretty close guess, actually.

I got curious, so I ran the numbers. It actually worked out to a 0.278067+% weight loss: (2869 / 2877) = 0.99721932+.

Calculations were done pre-coffee, so hopefully I didn't hose 'em up.

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Old 03-29-23, 05:13 PM
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Originally Posted by cudak888
Aye, laddie, that be a pot of molten slag, not gold.

-Kurt

Hey now!

One man's molten slag is another mans...molten slag.
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Old 03-29-23, 06:10 PM
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Well my molten slag is looking better. I am off from coaching for a couple of days after three days of tournament this week. I have started to do the shaping of the needed drop-bolt for the SR brakes on the Huffy. Here are a few pictures of the first round of trimming away everything that doesn't look like a Campy drop bolt. My design requires a slight cut away of the existing bridge on the bottom side to control lateral movement. I will make a mock up of how to hold the drop extender in place later this evening and post pictures. Smiles, MH

The parts: an aluminum bar cut to size and shaped for the end that will house the recessed nut for the brake. Recessed nut that fits correctly and holds the brake bolt in place. A special washer shall be used to hold the caliper in place while in use.

The cut out section that holds the recessed nut for the brake bolt. The serrated washer to hold the caliper in place. The Campy decal for authenticity. and the recessed nut for the extension.

What it looks like so far. Note the cut away part to reduce weight for the extender. The maximum side to side distance is 5/8" to keep the Huffy non-metric thing going. The brake will sit at the same height as it would on the original bridge when installed. Lateral play will be discussed later this evening.
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Old 03-29-23, 06:33 PM
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Originally Posted by Mad Honk
Well my molten slag is looking better. I am off from coaching for a couple of days after three days of tournament this week. I have started to do the shaping of the needed drop-bolt for the SR brakes on the Huffy. Here are a few pictures of the first round of trimming away everything that doesn't look like a Campy drop bolt. My design requires a slight cut away of the existing bridge on the bottom side to control lateral movement. I will make a mock up of how to hold the drop extender in place later this evening and post pictures. Smiles, MH

The parts: an aluminum bar cut to size and shaped for the end that will house the recessed nut for the brake. Recessed nut that fits correctly and holds the brake bolt in place. A special washer shall be used to hold the caliper in place while in use.

The cut out section that holds the recessed nut for the brake bolt. The serrated washer to hold the caliper in place. The Campy decal for authenticity. and the recessed nut for the extension.

What it looks like so far. Note the cut away part to reduce weight for the extender. The maximum side to side distance is 5/8" to keep the Huffy non-metric thing going. The brake will sit at the same height as it would on the original bridge when installed. Lateral play will be discussed later this evening.

Oooh me likey! At first I was a little opposed to cutting into the Huffy but seeing as how 1) It is a boat anchor so any weight removed is objectively a more virtuous operation than alternatives and 2) the bike drew blood this evening so ITS ON. The bike wants to cause me pain? I'm gonna give it right back in return.

I'm open to ALL OPTIONS, especially violence.
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Old 03-29-23, 06:43 PM
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Ok folks,
I have put together a mock up of how this drop bolt part will work. The rear seat stays are the chrome tubes in the picture. The cardboard piece is what the bottom of the existing bridge looks like. I used a bit of masking tape to hold it all together for the picture but this is what we have to work with. The black dot in the picture is where the current bolt hole is in the bridge. The drop part will be held in place using the current bolt hole utilizing a 6X1 button head bolt that screws into the drop part. You can see that we will only need to remove a 5/8" wide section of the current bridge plate. The picture should make it clear the way the part works.

The way the current bridge is installed with the cut out section of the card board mock-up shown to put a picture of how the drop part will be held in place laterally.

The way the drop part will fit into the existing bridge. A minimal amount of material removal should make the drop part fully functional. The only thing missing is where I will need to drill and thread the drop part for distance of drop. Finish will commence after the machining is done.
I intend to do a satin finish to the drop part after giving a rounding out of the edges to a nice smooth finish that this project deserves. Smiles, MH
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Old 03-29-23, 06:58 PM
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Originally Posted by cudak888
Given that drop bolts have been done in the past with a single bolt, that might just be a bit over the top, don't you think? There's not really that much side-to-side force on a sidepull brake, so long as they're centered.

I wish I still had that drop bolt; it would do exactly what [MENTION=133054]AdventureManCO[/MENTION] needs.

-Kurt
Kurt,
I think I can provide your wish. Please look at my postings and let me know if you want me to make you one with the scrap from the drop part I am making. Har! smiles, MH
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Old 03-29-23, 07:03 PM
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Originally Posted by AdventureManCO
Mad Honk and jdawginsc

Wanted y'all to see these pictures, just in case it helps in the thought process of a rear brake extender.

Bout .86 c-to-c on the bolt drop.






Also in this last picture, it shows the bottom of the brake bridge (along with the lovely gloopy paint) - it is bent down 90 degrees on the backside to give it rigidity. I'm not sure a 'slide in' type of device would work here, since it would have to clear this mess.

Let me know your thoughts. Also that was some sweet drawing earlier. Thanks guys!
Well my thoughts are: a bit of question about the pictures shown here. I am guessing that the .86 measurement is in inches and not in metric numbers. If it is in inches I can finish the machining of the drop part at the correct drop amount for this frame. Smiles, MH
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Old 03-29-23, 07:05 PM
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Originally Posted by Mad Honk
Kurt,
I think I can provide your wish. Please look at my postings and let me know if you want me to make you one with the scrap from the drop part I am making. Har! smiles, MH
No worries, I just want to see the Adventurous one's project come out looking far better than it has a right to

-Kurt
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Old 03-29-23, 09:13 PM
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MAJOR SUCCESS TONIGHT!!!

Ruffians and scoundrels following along,

Today was a great day! The frame straightening was a complete success. It got a bit hairy at times, but I trusted my gut and things came out better than I could have imagined. WWWWWHHHHHhhhheeeewwwwwww!!!

After pinging some of our esteemed builders and repairmen and hearing nary a peep, I decided that the show must go on!

Major props to jdawginsc and nlerner who either suggested and encouraged moving forward with the brute force idea, or didn't outright condemn it, because it worked.

As you recall from previous posts, 2 major issues loomed, both of which no doubt showed up when riding and likely contributed to the left pull to the bike. The first one is that the fork legs were visibly off to one side and not symmetrical to the steerer tube. After looking at the fork, its probably from the fork crown not being brazed on completely straight.

The second issue is that the bottom bracket was not completely perpendicular to the seat tube. You could just barely make it out when looking at it.

So, I've got a vise and some metal. Let's get started!





At first I threw the old steel bb cups back in the frame, but then punched them back out as they were creating tolerance issues. I blocked up the BB with some pieces of oak, and they simultaneously made it more difficult to 'feel' out the elasticity of the frame, but yet also protected the bb. I'm glad I used them.

View from the top

I stood on a ladder and threw a metal rod down the seat tube and used that to yank on, while bracing myself against the upper cabinet ledge. I didn't want to have something suddenly release, like the bb accidentally popping out of the vise and then go flying back off the ladder and get major injured, so I stayed pretty stationary and used a little more arm and shoulder than I would have liked. I took this piece of angle aluminum just as a rough locator for how far I was bending. However, due to the movement of the wood and such, it would frequently throw me a false positive, and I would think the frame moved far more than it did. This, however, ended up providing me a little bit of a buffer. Overall, I probably pulled and measured it about 10 times total.

The bike started to fight back. At one point I definitely heard a 'click' sound? Wasn't a 'crack' per se, but something was moving! I checked the paint and everything looked hunky dory, so I kept at it. Pull, and check. Pull and check.

Finally, it was 'eyeball' straight!




I used this old antique framing square which has seen plenty of duty on all kinds of projects. Holding it up against the BB, it was easy to get a straight line up the seat tube. While a little crude, it worked a charm, and I did use the same edge for measuring both sides (just flipped it when I moved to the other side). I'm sure it is still off somewhere, but everything is if you drill down far enough. Since I can no longer perceive a visible difference, I'm calling that good. Let's just say plenty of the big boys have had Raleighs come through that looked a lot worse (indeed, my '73 is way more sloppily built than the Huffy)! I don't have access to a framebuilders table, but before I'm done I might clamp the BB to my table saw and see where the seat tube is in relation to the surface, then flip over and see what we get.



While the table saw could work well as a makeshift flat surface to test things on, I really don't want to trust the extensions, since they may not have a completely parallel surface to the main table. I would just stay within the main table if to measure the BB/seat tube alignment.




Good news here too - the head tube and the seat tube are just about perfectly in plane with each other, or they are darn close.





On to the fork next...
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Old 03-29-23, 09:16 PM
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That's impressive to have pulled that off so well with improvised tools. Bravo.

-Kurt
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Old 03-29-23, 09:40 PM
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The fork was borked

I had to laugh when I first saw how off the fork was. The joke in the guitar world is that when you see something sort of 'off', you say that it was built on a Friday afternoon. Well, this thing must have been built on a Saturday morning on a holiday weekend in the year of Jubilee by a disgrunted factory 'artisan' who then must have decided to get revenge.





The fork legs are off, the crown is off, and the brake hole is even drilled off to one side! The thing is a total mess. Which makes this even more incredible as the perfect redemption arc.

I thought I would block up the fork and rotate it to see how badly we were off.


Here's the basic setup -


I locked the vise in place, then would bring the fork legs down onto the the table (as a reference point), and mark the inside of the dropouts, the lift the fork back up, rotate the fork blades over, then put them back on the table.

Okay! Lets see how close we are, kids!





lol...it's pretty bad! About 3/8" to 1/2" difference.

No...wonder...

So many things make sense now.

So, time to get things straight. I turn the vise around, and block up the steerer again, and clamp it down good and tight. I know the direction I have to go.

Push! Push! Push! No we are not having a baby, but its basically the same amount of work. PUSH!!!!

Well, after about 10-15 attempts of really leaning into it, I was finally able to get the Super Record front wheel through the dropouts!!! This has not happened before.





Okay! I'm getting close!

Now, I don't know what happened, or how it happened, but I pushed a few more times, and either I had an angel on my shoulder, or something else divine intervened, and when I was done, this was the result -





It is just dead on perfectly straight!!!! Y'all have no idea how ecstatic I am that I didn't kill me, or the bike, and that things got aligned. Now, I'm not using precision instruments, nor any precision gauges, but I think this will make a huge difference to the ride quality, and I'm so curious to see how the bike will track once I have it built up.

Next up with be aligning the dropouts, in a similar ghettotastic fashion.


Also, I wanted to ask about the crown race. Here is what I'm seeing on the Huffy. Does anyone have any specs on the Super Record headset's crown race dimensions? I've got one, but I figured I'd ask before pulling it and measuring it, just to see what I might be able to expect (well I expect nothing but problems of course)


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Old 03-29-23, 09:42 PM
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Originally Posted by Mad Honk
Well my thoughts are: a bit of question about the pictures shown here. I am guessing that the .86 measurement is in inches and not in metric numbers. If it is in inches I can finish the machining of the drop part at the correct drop amount for this frame. Smiles, MH
Yep, inches!
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Old 03-29-23, 10:09 PM
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The original MacGyver would seriously be proud of the work that yall are doing.
Your problem solving and craftsmanship is just great.
I think that is why so many people are tuned in to watching this. They are following this ongoing build saga of a brilliant sharp inventive person taking on the challenge of making something really special out of an ordinary old run of the mill basic Huffy, without breaking the bank and without ending up with an expensive turd.
As Hannibal Smith was known to say, " I love it when a plan comes together".
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Old 03-29-23, 10:14 PM
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Originally Posted by Vintage Schwinn
...ending up with an expensive turd..
But...this is the goal




(Seriously though thank you for your kind thoughts. I have know idea why I'm doing this but its turning out to be quite fun!)
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Old 03-29-23, 10:45 PM
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Originally Posted by cudak888
That's impressive to have pulled that off so well with improvised tools. Bravo.

-Kurt

This did it's share to provide some inspiration -

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Old 03-30-23, 01:16 AM
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Originally Posted by AdventureManCO
<snip> But the end is in sight. There is a light at the end of the tunnel. It's just 1000 miles away and it must be a really bright light!
It might also be an oncoming train.
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Old 03-30-23, 07:07 PM
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Now that I know it is .8" the cutting of threads will begin. After that some shaping and finishing should have the drop bolt fixture should be finished. I am suspecting that a new problem shall arise next in the way to a complete this project . Smiles, MH
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Old 03-30-23, 09:34 PM
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This one's for rideandgoseek

I'm freakin' tired so no work on the Huffy tonight, but I did get something else completed...






And of course, gotta represent...




Now there is no way out. The deadline is set. June 3. Bike's gotta be ready. Wouldn't be caught dead with anything but the Le Grande.

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Old 03-30-23, 09:50 PM
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Originally Posted by Mad Honk
Now that I know it is .8" the cutting of threads will begin. After that some shaping and finishing should have the drop bolt fixture should be finished. I am suspecting that a new problem shall arise next in the way to a complete this project . Smiles, MH
Quick question for ya. I don't mind zipping away metal on the Huffy at all, but removing the stiffing bend for the brake bridge and changing the leverage point by extending the arm for the brakes - I'm not an engineer, but is there any concern for torqueing or flexing the brake bridge too much?

That 90 degree bend...its pretty tall, and it already has a small hole in it (for a fender bolt?) ...I wonder what the possibility of enlarging that hole and having that extender in the shape of a circular rod and extending it through that hole to get the benefit of the stiffener brace? Or perhaps keep the squarish shape, but reduce the thickness right before the end of the bridge, and slide it through the stiffener brace after cutting a rectangular hole in it? Just thinking out loud.

Edit: Not great with words so here is what was in my head, drawn out:



This would allow the adapter to have the benefit of no side-to-side sway (which was the original intent of the cutout, to keep it locked in place) but allows the down bend of the bridge to cradle the adapter as well to gain a better leverage point and stiffen the whole thing up. Only detractor is I'm not sure you could get the entire thickness of the adapter as-is. You'd have to thin the adapter down a bit on that end and then use a spacer to gain back the original height of the recessed brake bolt, which still could be easily done, and even recess a small lip for a spacer to set down in so it doesn't wander.

Sorry I'm complicating things I'll go to bed now

Last edited by AdventureManCO; 03-30-23 at 10:24 PM.
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Old 03-31-23, 12:27 AM
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This thread is educational, inspirational, and at times an "emotional rollercoaster". But once the Huffissimo is complete and has wowed the crowds at various concours d'élégance, I hope to relive the thrilling saga by reading it (trimmed in some places, augmented in others) in codex form. Perhaps suggest this to Mondadori, as a celebration of Italian technology and a worthy complement to Gianluca Zaghi's Vintage Bicycles?
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