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Ben Lipman Goo Roo SA Soarer TT manual, plus TT track car
Posts: 2540 Reg: 04-2006
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Monday, January 03, 2011 - 10:10 pm, by: Ben Lipman(Ben12a)
Spent some time on this and the suspension over the weekend. I cut out an entirely new splitter and undertray from 9mm plywood. The basic shape is the same, however I experimented with a much longer (100mm longer!) front splitter. The problem of getting onto and off the trailer caused a few redesigns and trial and error. The finished shape protrudes about 90mm from the centre of the bumper(in the vertical plane) and then tapers back to about 40mm in the areas in front of the tyres where it was hitting the loading ramps.
I decided to put a layer of fibre glass over the lot. After fiddling around with fibreglass kits from bunnings I decided I really hate chopped mat and bought some woven mat. This was much easier to work with and gives a cool finished look. Still heaps of work to do on it, but initial impressions are good. I can stand on the centre with very little defection. Next time I will use a much thinner plywood as I don't need the strength when combined with the fibreglass.
I decided to retain the garden edging albeit modified in the centre area. I couldn't think of anything else robust enough to cop all the crap flung up by preceding cars, yet flexible enough to slide up over the bumper when it is raised in the 'transport' position.
Reading up on various forums some bloke has come up with the ingenious idea to use aero catch bonnet pins to secure his splitter- of and on in seconds! Dammit, I wish I had thought of that. Next time...
Next time, I will also make it two piece- so I can change the splitter without the undertray. The old undertray was essentially undamaged. It also supports very little weight so could be made of much thinner materials. Thinking about it more the logical over lap location would be the bottom radiator support.
