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 Post subject: undertray fun
PostPosted: Sun Jan 04, 2015 10:41 pm 
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Clubman

Joined: Fri Oct 07, 2005 10:14 am
Posts: 82
Car Model: None
I fitted a c-one copy engine undertray today, took an awful lot of fettling but got there in the end.

However id like to enclose the sides as the stock trays do. I was trying to think of a suitable material which is bent and shaped easily, something like a neoprene fabric? I was planning to use some sort of quick release fastening to the tray itself, maybe even just Velcro? What have others used? Don't want to use more ally.

Cheers,
Jon


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 Post subject: Re: undertray fun
PostPosted: Sun Jan 04, 2015 11:56 pm 
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Club Staff
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Joined: Wed Jul 13, 2005 12:06 am
Posts: 4743
Location: Perth, Western Australia
Car Model: ST205
I suspect the aerodynamic loads would make short work of Velcro attached neoprene side panels :twisted: I'd look at making up some panels from sheet ally secured with quick release Dzus fasteners. Much easier and cheaper solution.

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Don
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1994 Toyota Celica GT-Four ST205WRC JDM 269bhp @ 0.9bar
1994 Toyota Celica GT-Four Special GT 590bhp @ 1.8bar
1989 Van Diemen RF88/89 Formula Ford 1600
2008 Nissan Patrol GU 3.0L ZD30DDTi 154bhp


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 Post subject: Re: undertray fun
PostPosted: Wed Jan 07, 2015 2:47 am 
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Group N

Joined: Mon May 26, 2008 2:33 pm
Posts: 401
Location: Wellington, New Zealand
Car Model: ST185
I've seen rally cars use corflute / plastic corrugated sign boards zip tied to the bottom of their cars for protection. Depends on if you want to bodge it. I'd personally get some sheets of 1.6mm ABS plastic and attach at factory mounting points and poss chuck some rivnuts into the aluminium undertray.

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 Post subject: Re: undertray fun
PostPosted: Wed Jan 07, 2015 12:33 pm 
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Club Staff
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Joined: Wed Jul 13, 2005 12:06 am
Posts: 4743
Location: Perth, Western Australia
Car Model: ST205
I was surprised that I couldn't find ABS sheet cheaper than equivalent aluminium sheet here in the UK. If anyone has a source I'd be interested to know.

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Don
GT4DC Chairman
1994 Toyota Celica GT-Four ST205WRC JDM 269bhp @ 0.9bar
1994 Toyota Celica GT-Four Special GT 590bhp @ 1.8bar
1989 Van Diemen RF88/89 Formula Ford 1600
2008 Nissan Patrol GU 3.0L ZD30DDTi 154bhp


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 Post subject: Re: undertray fun
PostPosted: Wed Jan 07, 2015 12:50 pm 
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Clubman

Joined: Fri Oct 07, 2005 10:14 am
Posts: 82
Car Model: None
Cheers, on reflection I'm thinking about cutting the relevant pieces off the standard undertrays and rivnutting, after all they are a guaranteed fit and of a suitably robust construction. My car came with a missing undertray on the cambelt end as the aftermarket exhaust prevents it from being used (and meant I had to butcher the ali c-one copy). I'm also missing the smaller front tray from under the rads so will need to source one of those!

Jon


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