Carbon fibre shaft

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Scratcher
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Carbon fibre shaft

Post by Scratcher » Mon May 19, 2014 7:27 pm

Hi, sorry if covered before but I couldn't see it! I've searched all afternoon on the internet for anyone that supplies carbon fibre shafts (35mm) as I fancy one of these on my sand scoop, anyone know of anywhere please? Cheers all! ::g :D



clint
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Re: Carbon fibre shaft

Post by clint » Mon May 19, 2014 8:04 pm

Hello Scratcher,
off the shelf carbon poles, so to speak, will be as you have found, not available and if you did find something, not suitable. You will probably have to get one made..various companies in the UK that specialise in this include..Harrison Avanced Rods, Century Composites (both are primarily fishing rod manufacturers) or try Tricast Composite Tubes which are probably your best bet and make tubes for all sorts of things. They may have something useable but make sure you speak with someone in their applications department and explain what you want to do with it. I worked in the composites industry for nearly 10 years and worked with materials supplied to most of the F1 teams, commercial and military aircraft, space industry, luxury cars etc. A lot of material is very specialised in useage.Let us know how you get on.

regards

Clint
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Koala
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Re: Carbon fibre shaft

Post by Koala » Mon May 19, 2014 8:11 pm

Do a Google search for "carbon fiber tube 35mm"

Not worth it in IMHO strong and light (but expensive) if not damaged but far to easy to damage

Don't forget you will also need some epoxy and hardener as it's not a good idea to clamp to carbon fiber.

Wood is hard to beat for strength to weight.

clint
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Re: Carbon fibre shaft

Post by clint » Mon May 19, 2014 8:23 pm

Just been looking on Tricasts web site. Click on their made to measure bit in the menu and look at the selection of tubes..the type of tube you are probably looking for will be like the one near the centre of the picture..the fat walled one. This will be better if it's autoclave cured as this cures the resin at high pressure and forces out any air bubbles and voids which are weak spots and creates a denser structure.

Clint

regarding Koalas post..if you get the correct tube it will be virtually indestructible, you could epoxy fit a thread and fit your scoop with a threaded bolt. If you have a clamp fitting it will be fine on the thick walled tube. I have seen parts of F1 cars after crashes and it's been the titanium screws and bolts that have failed before the composite.
Etrac.13" Ultimate Coil.CP3 TT`s
8x6 sef
Euroace.
Deteknix Pointer,camo,oh yeah! ...does what it says on the box..
Garrett Propointer..ok...(now it's fixed!)
Jeff`s big tool!

Scratcher
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Location: Plymouth

Re: Carbon fibre shaft

Post by Scratcher » Mon May 19, 2014 8:27 pm

Cheers Clint! Looking into it now ::g :D

clint
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Re: Carbon fibre shaft

Post by clint » Mon May 19, 2014 9:02 pm

Just looked at your location..Plymouth! Do a local search, must be lots of boat builders down your way using lots of composite tubing. Years ago I worked on the project that supllied the material for the mast of Mirabela 5, the mega expensive luxury yacht. The mast stands 100m tall and has to fold to get into some ports around the world. Thats some carbon tube!

Clint
Etrac.13" Ultimate Coil.CP3 TT`s
8x6 sef
Euroace.
Deteknix Pointer,camo,oh yeah! ...does what it says on the box..
Garrett Propointer..ok...(now it's fixed!)
Jeff`s big tool!

targets
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Re: Carbon fibre shaft

Post by targets » Mon May 19, 2014 11:22 pm

a fishing shop will have rod parts made of carbon ,and handles for landing nets also of carbon ,but whether they would be strong enough is doubtful
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Koala
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Re: Carbon fibre shaft

Post by Koala » Tue May 20, 2014 2:49 am

I was trying to keep it simple and say CF is not ideal as I am pretty sure CF is not that resistant to abrasion and damage.

In a F1 car the titanium screws and bolts are connected to aluminum honeycomb or titanium inserts sandwiched between CF, Kevlar or Zylon which spread the load over a much larger area. I have never seen a bolt go directly in carbon fiber it would tear straight out long before the bolt failed. In fact early race cars did ;;z

I have seen high performance prop shaft that you can lift easy with one hand that resist twisting 1000x the toque of there steel counterparts ::g but they still have to be treated with kid gloves.

Don't forget wood was chosen to protect the bottom of the tub and enforce the ride height rules :D

Glass fiber, Carbon fiber all have there place. Personally I can not see any advantage in a sand scoop handle but that is my own personnel opinion

You can make almost anything work and if you make the walls thick enough you loose the advantage of it being light. You could do something similar to the fiberglass handles on sledge hammers. That have a thick coating over them to protect them. Don't know of any manufacture that would do reasonable price for a one off.

I can see an advantage in loosing weight from the coil and lower shaft by using exotic materials.

The reason I said to glue the the shaft and not clamp it is carbon fiber breaks very easy across the threads


http://www.rideyourbike.com/carbonfiber.shtml


I don't want to put you off building this project. Would like to see how it turns out.

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