NJS (No Joint Safety) Carbon

THIS IS THE MOST INCREDIBLE PROJECT EVER. Top Top Top Top.

As an architect I agree that a crashed bike is not "the most structurally sound thing in the world" which is defffo why the carbon idea is necessary. In fact this project makes me want to crash my bike only so I can give the remains to you for the carbon upgrade.

ALSO
DID I SAY
THIS IS THE MOST INCREDIBLE BIKE PROJECT EVER EVER EVER

Carbon shards number 1!! I'm also working out whether or not to go gusset. I've been doing some maths over lunch, and this is where I'm at:

overbuilt carbon bulge lugs = +4 drag
Gusset = -1 drag

So I just need at least 4 gussets to remove the drag, and if I manage to put 5 or more in I'll be boosting the aero capabilities of the bike.

Any idea how I can stick as many as possible on?

also best gif ever.

subbed. so subbed.

Saw through the bent tubes. Use blowtorch to melt the braze in the lugs and pull the ends of the tubes out. Clean up. Bond carbon tubes in instead, use Scotch Weld 9323 as adhesive.

Job jobbed. But it might not be as stiff as original since the steel will be about 0.6-0.9mm thick and 200GPa stiffness while the woven carbon tube will be about 2mm thick and maybe 60GPa stiffness.

ENGINEERING

Do it anyway though.

I like the cut of your jib.

This sounds dangerous. Dangerously Rad!

DOPE DOPE DOPE I LIKE THIS IDEA

If I take a blowtorch to it, won't it melt the braze in the other joins as well? Like BB - chainstay, headtube, etc?

Also I've unfortunately already got me some tubes in just the wrong size to do this and @drøns idea.

although you know FIRE

It won’t melt any braze. Blowtorch isn’t hot enough to melt brass, only silver

I am on this , could be as good as the paper TT helmet thread from a few years ago

N(ice)J(agged)S(cythe)

muchexcite.gif etc...

Just use this stuff:

It will be cheaper, maybe safer?? haha

Big news y’all! I popped over my friends place - who built a bamboo bike years ago - and he gave me a roll of carbon tow and some epoxy hardener.

(Ignore the cats, the roll is in the front)

It’s onnnn

an epoxy carbon layup should be just as safe I reckon. That stuff (from my cursory google) is just carbon / fibre glass type stuff preimpregnated with glue. Same stuff in essence!

Plus this way I can polish it, so it’s shiny.

Is that a bar of heroin next to your can of coke? Fucking junkies.

Cats on smack, rad and dangerous :)

Just thinking out loud now..... if the carbon tubing has a "Known" stiffness of less than the original steel tubes, could you not insert a smaller diameter crabon tube into the ones you have, this would stiffen things up, possibly add a bit more weight over the steel tube, but doable.

While possibly a scary thread ending in self harm, i applaud the forward thinking and Adapt and Improvise and Overcome thinking to the problem of fucked frame tubes :)

Two years ago this forum could support only a single person trying to murder himself with an old aluminum track conversion, now there are not one but two threads dedicated to diy crabon modification. Things are looking up!

That’d probs be too heavy. Gotta be race ready, innit

There's another one?!

Where?

I assume @nohwolf is referring to this:
https://www.lfgss.com/conversations/309697/

@Clesmon :) race ready you say

Thread just went to 11 :) you are a mad genius and i claim my £5

https://www.youtube.com/watch?v=4xgx4k83zzc

Brilliant idea and intro ...:)

Scotchweld will bold carbon to steel or Al, used it in the Military Aviation world for years.

Cats. Thread has a good feel to it.

All over this disaster in the making. Excited about the impending carnage.