Do you have anymore left? I’d like to get 5 yds if you’ve got it.
Thanks CJ 
Yes I still have some, PM me your shipping info and I’ll get you a total.
$25.00 a yard for the 5.8oz cloth.
Anyone use any of the multiaxial cloth, how do you like it???
I’ll have to wait on the cloth CarbonJoe. sorry… bills and just ordered some other supplies. Hopefully i can sell some carbon parts soon.
I haven’t tried the multiaxial stuff yet. Still on the roll… nice job by the way. It’s great looking stuff. Is that bagging material it was wrapped in?
Not yet, soon though. Still working out the geometry for our rudder which will have a flap on it like the aeleron on an airplane. Simple in theory but the geometry is very important.
Need to find a carbon fiber rod (solid) and a CF tube to make the hinge with. Rod has to fit inside the tube. O/D of the tube is approx. 5/8" and I/D doesn’t matter as long as the rod fits inside fairly tight. So if anybody knows where I can get something like this it’ll expedite the experiment.
Will post results when I’m done.
http://www.cstsales.com/products.html
http://www.composite-resources.com/off-the-shelf/black-project/default.html
Just a quick check on CW Sourcebook. There are about 20 more companies I can check out, but I need to get some work done today 
sticker shock :eek: Gotta rethink this strategy!
I might have some of that rod, I’ll check and get back to you.
Yes
Knotty, you can’t use metal for that hinge assembly for the rudder?
There are also special plastics available that are formulated to be bearings. Works like a bushing, but glides like butter. the other thing Knotty is carbon on carbon is going to wear itself out.
I’m trying to eliminate as many metal components from the boat as possible. Metal, especially different types, immersed in water (especially salt water) causes a lot of problems with corrosion (diaelectric impressed current, remember how a battery works?). Each metal component and especially those below or in the waterline have to be “bonded” (a negative buss to bleed off potential stray current) and/or protectd with sacraficial anodes (zincs or aluminum). The absolute best metal to use below the waterline is tin but it’s too soft. Alloys of tin and copper (brass & bronze) are a good compromise but extremely expensive to get good quality components. Stainless steel is good for shafts but must be protected as mentioned above. Any application using SS where it is encapsulated within a hinge or laminate won’t work due to oxygen starvation (crevice corrosion). High performance racing sailboats use CF underwater components I’m just trying to adapt their approach. The cost CF shafts & tubes I’ve seen on the Internet would curl your toes!!!
I don’t know about the carbon on carbon wear. In it’s native form carbon is extremely slippery. There are underwater graphite based lubricants (actually mandated in some areas because it’s not petroleum based) that work well on any type of material.
I have some of those plastics. Ultra High Molecular Weight (UHMW) plastics such as Delrin work extremely well in underwater components. It’s dimensionally stable and machines well. I just bought some round stock last night to make the rudder bearings. My plastics supplier thinks that a Delrin rod will work in the hinge, he’s looking for the engineering specs for it now. Components such as thru-hull fittings & valves are normally made from CF reinforced plastics such as Marelon.
I didn’t think about corrosion on the various metals under water. Yeah freaking electrical current… that’s even a problem on a few non-critical bolts on my motorcycle.
We work with Delrin a lot at the machine shop, very easy to machine that stuff, it is pretty flexible though to a degree, but who knows it may work for your rudder assembly. Teflon is another plastic that works great for low temperature bearings. We use some nylon plastic rods and bar stock at work, that is some tough plastic.
If you could afford some, ( ah shoot the name escapes me ) it’s green plastic that is very smooth/slick once machined. but costs like $35 per square inch of the stuff. It’s greenish yellow in color.
I didn’t even look at price. That bad?? DOH!
Yeah, I would think Delrin/Teflon/Nylon would work well. If you need strength, Glass, or maybe even carbon reenforcement might work in the nylon. Jesus…been looking for plain, unmodified nylon 6 this last month. There are HUNDREDS of grades. MANY glass reenforced. Also, some have lube built into the material for better bearings.
If you can thing it, someone sells it 
Performance Polymers is who I deal with. They sell everyone from BASF to LG, and back again.
ps: Mcmaster-carr has lots of bulk plastics you might want to try.
Rods, blocks, sheets, etc.
pss: GRR at saertex and not having graphite fabric in the US.
CarbonJoe, got any more multiaxial carbon fiber? I could use a couple more yards.
Sorry, all sold out.
bummer me and david wanted to buy some
Hi C.J. I contacted a factory rep and he said the factory in the USA isn’t making any now and isn’t scheduled to make anytime soon. He said the Germany of England factory may have some. Problem is i can’t buy a full roll… bummer wished i could.
If you are somehow able to buy more… go for it Joe because i know over time i’ll buy at least 25 more yards of it.
I will have more soon, did you ask what a yard costs?
no he didnt…but i am…how much per yard