[Shotimes] Daytona 500 & NASCAR HP

Tue, 21 Feb 2006 18:26:20 -0500

It's probably all in the cd of your airplane, which I would guess is very low...which is why you can go 200mph with only 78 lpft.

Do you know what the cd of your plane is?

Michael
94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html

----- Original Message -----
From: av8r567@optonline.net
Date: Tuesday, February 21, 2006 5:45 pm
Subject: Re: [Shotimes] Daytona 500 & NASCAR HP

> My 1400-lb airplane cruises at 200+mph with an 74 cu. in engine 
> that puts out 74-hp and 78 lb-ft both at 5000rpm.  It also sips 
> 5.7 gals/hr of 100 octane Low-Lead avgas.  NJ to Florida in 6 hrs 
> NON-stop - you can't do that in a Z06 or Nascrap car.
> 
> 
> 
> ----- Original Message -----
> From: Zach Leahy <leahyz@gmail.com>
> Date: Tuesday, February 21, 2006 4:50 pm
> Subject: Re: [Shotimes] Daytona 500 & NASCAR HP
> 
> > Mark...
> > 
> > takes my SHO forever to go from 70mph to 170mph as well.
> > 
> > :)
> > 
> > Z
> > 
> > 
> > On 2/21/06, Mark Nunnally <marknunnally@joimail.com> wrote:
> > >
> > > >Yeah, I was under the impression that NACAR engines were 
> 650+. 
> > I don't
> > > see
> > > >where 450 HP can get those barn doors around the track at 
> 200+, 
> > when a
> > > >much-more aerodynamic Corvette with an underrated 505 HP 
> can't 
> > get to 200
> > > >mph.
> > >
> > > Burton's pole speed was 189.151.  That's WOT, all the way 
> > around.  Things
> > > like 0 weight oil in the motor and tranny, and water in the 
> diff 
> > and wheel
> > > bearings ;)  They even push the pistons in the calipers all 
> the 
> > way in and
> > > clip the pads back so nothing is touchign the rotors.  
> Anything 
> > to go
> > > through the air better.  Corner and straight away speeds don't 
> > vary more
> > > than 1-2 mph there, so that's basically all those things will 
> > run with a
> > > plate.  They don't top 200+ mph, even in a draft of cars.  
> About 
> > 195 is
> > > about all you see with them in a big wad.  And while 189 to 
> 200 
> > mph doesn't
> > > seem like much, it takes a bunch more hp to go that extra 11-
> 12 mph.
> > >
> > > As big a hole as the punch through the air, they are pretty
> > > slippery.  These teams spend a lot of time in the wind tunnel. 
> 
> > Finding a
> > cd
> > > on one will be about as hard as finding an exact hp number 
> > though ;)
> > >
> > > The tracks where they barely top 200 mph (Atlanta, Pocono, 
> etc) are
> > > unrestrected, and they aren't limited by the hp, just by the 
> > track itself.
> > >
> > > One of the crew chiefs was saying they would run approx 225-
> 230 
> > mph at
> > > daytona or talledega without the plates.  Bill Elliot ran 217 
> > mph almost 20
> > > years ago, they were probably 150 hp+ down then what they are now
> > >
> > > Watch the telemetry on a plate race, when they go from caution 
> > to green it
> > > takes forever to run from 70 mph to 170.  Just ~450 hp...
> > >
> > > mark
> > > _______________________________________________
> > > Shotimes mailing list
> > > Shotimes@autox.team.net
> > > http://www.team.net/mailman/listinfo/shotimes
> > _______________________________________________
> > Shotimes mailing list
> > Shotimes@autox.team.net
> > http://www.team.net/mailman/listinfo/shotimes
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net
> http://www.team.net/mailman/listinfo/shotimes