F1 Mini
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| posted on 31/5/04 at 11:32 PM |
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Understand now.......
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nicklondon
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| posted on 1/6/04 at 06:44 AM |
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it all makes sense now,the mini is your shopping car
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Hugh Paterson
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 posted on 1/6/04 at 08:27 AM |
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Oh yes we all understand now, You have a death wish but very impressive, hell of a way to go
Shug
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F1 Mini
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| posted on 1/6/04 at 08:58 AM |
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A Shopping car come 10 second Sleeper. The F40 is my replacement for the Ult, but it's going to be a few years before that's complete. So
the mini realy apealed to me at a Cheap, Fun, Quick and build it yourself level.
Mad..... almost definatly....
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chrisf
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| posted on 2/6/04 at 03:11 PM |
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Max plys of CFRP/layup
OK, I'm hyjacking Philips post. I too am considering using CFRP for the sides, back, trans tunnel and perhaps even the bonnet. However,
I'm not really experienced with the material. As was suggested before, I plan to layup on glass, then cut to suit. But I have no idea how many
plys are appropriate. I'm thinking of using 3 plys of CFRP, with perhaps a ply of kevlar on the inside of the trans tunnel.
Is it possible to layup 4 plys in one fell swoop? I've read once that composites create chemical heat as more and more plys are used.
Also, what weights/patterns should I shop for?? Any help is appreciated!
--Chris
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Hugh Paterson
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| posted on 3/6/04 at 12:20 AM |
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Chris, The carbon is reasonably easy to work with, the carbon kevlar combination requires shears with a keen edge that can cut the damn stuff, dont
even think about using the carbon/Kevlar mix without the correct tools. Ask the supplier if he stocks them he may well do. You now have to look at
what type of effect/strength you are looking to achieve. If you are hand laying this without vacuum bagging or employing someone with an expensive
autoclave as well (to hell with the expense if u do) you are simply going for the wow factor. In which case to be honest to save on cost of material
if you looked at the layup of similar products on other cars you would no doubt find the outer (visable) surface would be a Carbon weave backed up by
a couple of light weight CSM laminates, or more likely either a GRP Cloth/weave, or a Carbon/ Diolene composite (who me). If you are interested in
buying enough Carbon to do the bits u mentioned like so, its liable to cost in the region of 10-15 quid per metre of material for the Carbon Cloth,
hell of a lot less for the grp weaves or even CSM. U now have to consider which type of resin you intend to employ, Polyester and others in the same
family. or Epoxy resin, dearer but stronger less, fumes, and a bit more complicated to get the mix just right. If u have a good technique to get a
nice even layer of gelcoat on yer panel/mould to give a base for the carbon, I would say have a go. If you have minimal or no previous practise with
bog standard resin/CSM dont bother buying the carbon never mind the kevlar, u will be throwing yer hard earned dosh away. If your daft enough to try
it anyway, I can tell u where to get "samples" or swatch pads for u to have a look at prior to buying, and point u in the direction of a
supplier to save u dosh that will sell to "enthusiasts" at a reasonable cost, in small quantities. Oh make sure your sitting down when u
get the quote
Shug.
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nicklondon
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 posted on 3/6/04 at 06:43 AM |
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is there a cheap way to get the carbon fibre look? is the process the same as for grp ?
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Hugh Paterson
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| posted on 3/6/04 at 10:43 AM |
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The process is the same its just a wee bit more fiddly to get a good surface finish with no air bubbles spoiling the apperance of the item, (anyone
got an aero)!! Flat panels are a doddle, shaped panels with flanged edges or returns etc take a bit more time/thought. If your careful good results
can be had. Its like Sex all down to technique, you get better the more u practise
Shug.
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Indylight900
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| posted on 10/6/04 at 10:38 PM |
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Do you have to use a gel coat when laying up a carbon/epoxy flat panel ? I thought the gel coat was just there to give a more weather resistant
surface to polyester resin.
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dmottaway
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| posted on 11/6/04 at 12:42 AM |
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No first hand experience, but I have heard if you do up a batch of gfrp and put a bit of copy machine toner in the resin, it results in a carbon look,
without the carbon problems.
may be worth a try if appearance is the goal, instead of strength.
dave
[Edited on 11/6/04 by dmottaway]
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Hugh Paterson
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| posted on 11/6/04 at 09:55 AM |
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You can buy the Carbon powder ''look'' from good GRP suppliers If u want to be a right plonker u can buy the glitter flecks
to add to yer gelcoat too.
Shug.
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