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Date: Mon, 17 Nov 2003 22:32:06 GMT
From: Paul Halliday <>
Subject: Re: Failiure On Track

in article bpbhud$1lqikn$, **-** at wrote on 17/11/2003 22:26: >> When is the "big run"? You said mid-Nov, but we're there now. > LOL was aiming for Mid Nov but it might be Early Dec now, Fastest run so far > is 158mph but the aerodynamics just aren't happening. I'm trying to dial out > the downforce and just keep it at a minimal downforce/anti-lift setting but > with no wind tunnel and only a few hours testing available a week its a > little difficult. My big fear is that as its almost a flat bottom car and I > can't get any real serious (100kilo+) downforce to push it to the floor if > it gets the wind under it its not going to be pretty. > > That extra 12mph is a bit tricky and its compounded but the relatively huge > frontal area of the C900. Its there and it will do it its just a matter of > tweeking everything up right. Got another rolling road session booked for > Friday where we'll be working on top end boost and hopefully be able to take > a reliable power reading without it walking off the rollers. > > BTW we were down to 4.8mpg from it this weekend. Ouch! I though 18 mpg on mine was bad. Have you seen the Pike's Peak NG900 Viggen? Your old Swedish brick is going to be a real problem cutting through the air. Once you've got the tuning right on the rolling road, perhaps you need to build a fibreglass front end spoiler. Paul

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