Re: Wind Tunnel

["Glen Barrett" <speedtimer@charter.net>]

Keith
Glad you got a ton of info on the in the tunnel. Looking forward to reading 
about it.
Glen
----- Original Message ----- 
From: "Keith Turk" <kturk@ala.net>
To: <land-speed@autox.team.net>; <ECTALSR@yahoogroups.com>
Sent: Tuesday, May 23, 2006 7:38 AM
Subject: Wind Tunnel


> Just some basic information on how the tunnel turned out...
>
> We started with the car in the 260mph attitude and set up exactly like it 
> came
> off the salt last year...   the CD was .271
>
> When we started lowering the spoiler it kept decreasing more and more 
> with
> each 5 degree increment until we basically removed it... and found the CD 
> was
> around .214  ,  We then built a bit different spoiler that ended up 7 
> degrees
> down which equated to a cd of .205
>
> We tried a couple of different things with the scoop and nose and found a 
> bit
> of downforce with minimal increases in drag... and the new scoop was a bit
> better... as was fairing the back of the scoop...  Our best CD was .170 in 
> an
> illegal configuration... ( the goal was to see how much a canopy would 
> help. )
> But I can get it down to a Real .200 in a drivable condition.
>
> The whole deal was one of the best days I've spent in my life... it was so
> cool it defied description...   Gary Eaker (A'ker ) can't work with most 
> Cup
> teams that come to his tunnels ... seems they don't want him cross 
> leveling
> information... so he just gives them the keys and collects the data... 
> they
> do the work... in this case he really got into it...  can't say he'll be 
> there
> when you are... but I wouldn't count him out...  He's a member of the 
> Bville
> 200 club and loves this stuff...  I got WAY more then I paid him for... 
> the
> first two hours cost 690 bucks... after that Gary just gave me the time (
> based on me bringing the Camaro next month ) we spent a total of 10 hrs 
> there
> with 8 of it in the tunnel... total blast..
>
> Keith ( I'll try and get some information to Landracing.com today so Jon 
> can
> post it )