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mhdghoul
mhdghoul
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Joe
Joe
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Neat !

 



 


    A $1000 electronic device will always protect a 10 cents fuse
crash106
crash106
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http://www.talkcomposites.com/Uploads/Images/99070fc2-aba2-44b1-9091-13e3.jpgQuick pick of my cafe racer build still very raw but getting their slowly,as all good projetcs do!
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Edited 13 Years Ago by crash106
Joe
Joe
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Cant wait to see the whole finished thing. Keep us posted Wink

 



 


    A $1000 electronic device will always protect a 10 cents fuse
Kevin-Lee
Kevin-Lee
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Hi,

So I have had my EC infusion kit for a few months now and have made a couple of sheets of various materials, thicknesses and sizes and now felt that i had learned enough to try and start building stuff with the sheets that I had infused...

So for the first project I have chosen a basic carbon coffee table, a simple box with the aim of learning how to handle and bond the materials and maintain a good finish on the faces and edges as well as having a solid build...

Table size was 900mm x 450mm x 495mm, so in all I needed about 2sqm of sheet material to wrap 5 sides of the box...

The lay up for the base of the table was carbon 200/650/650/200 to give me 1.9mm.

And the top was carbon kevlar 210/carbon 650/650/200 and was 2mm.

The legs are 10mm box section from EC.

All bonding was done with Permabond ET500.

The table...
http://img15.imageshack.us/img15/1546/compositetable01.jpg

The Legs and edges...
http://img225.imageshack.us/img225/6844/compositetable02.jpg

The joint...
http://img832.imageshack.us/img832/7021/compositetable03.jpg

Final finish after a quick wax...
http://img811.imageshack.us/img811/219/compositetable04.jpg



Cheers,

Kev.
baja_patient
baja_patient
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That table is sick!! Fresh and clean work! 

Really very nice. What did you use as a surface to make your panels? Glass plate?

cheers
Matthieu Libeert
Matthieu Libeert
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Really good work and nice finnish!

Just for the costprice; wouldn't it be better to use (cheaper) fiberglass inbetween the carbon layers?

Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




Joe
Joe
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That's awesome !!!

 



 


    A $1000 electronic device will always protect a 10 cents fuse
Kevin-Lee
Kevin-Lee
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Thanks for the comments.

@ baja patient

Yes, a glass sheet is used as the tool face.

@
Matthieu

Not really, once you add up the cost of the extra resin, lay up time and very slow infusion with the thicker E Glass panel that would be needed to match the 2mm carbon then it kinda starts to become a bit of a false economy. And to be honest once you start to go 3mm or 4mm thicknesses with E Glass then other materials like MDF, DiBond and Perspex
would be just a suitable and even more cost effective for a basic coffee table. Yet with the 2mm carbon I have managed to get the table to come in at less than 6KG and loaded an even load of over 130kg on top of it, the carbon is worth the bit extra I think...

steveastroUK
steveastroUK
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Here's a special telescope body I've made in CF, with Paul's help.

It's made by PRESSURE bagging, not vacuum bagging, to get perfect shapes for further engineering. The ends and all the internals are milled in billet aluminium and anodised.

https://lh3.googleusercontent.com/-r5BsLEMm0jc/Tzany9VFJTI/AAAAAAAABaI/OJrY8k5iEVw/s400/DSCF4599.JPG


Here's the mould just after being machined on my CNC mill

https://lh3.googleusercontent.com/-RsDv5IPlYa0/TeihjHnimQI/AAAAAAAABFg/YClOpikMND4/s400/2011-06-03%252009.48.59.jpg

And one of the finished mould halves.

https://lh3.googleusercontent.com/-M1DlsCiVYbo/Te5vrK7U8KI/AAAAAAAABGk/RwW2SsLH2CE/s400/IMAG0161.jpg

The process is to lay up a pretty layer of fine CF in each half, and trim to a perfect fit (Note to self:avoid thumb next time)

Then a layer of coarser material is added, which will stick out by ~2 cm from the left hand side of one mould half, and the right hand of the other.  The two halves are clamped together and a bag made of bag film, inserted from one end. Then a pressure of 80PSI is injected, and the whole thing ovened at 80 C for 8 hours.

This is a picture of the "next gen", where we added lands to the body for the tripod mount and a sight.

https://lh5.googleusercontent.com/-Ta1sGFX1rdg/T6UdEfCuGeI/AAAAAAAABhs/ocaL96TEB6g/s400/20120505_124246.jpg


I'd like to say  here just how much easycomposites have helped us during the prototyping stages of this project. I can't praise Paul and his team highly enough. They couldn't have been more helpful.

Steve


GO

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