Nomograph relating CdA, BHP and MPH

Started by landracing, March 21, 2008, 06:19:29 AM

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sockjohn

Quote from: isiahstites on March 21, 2008, 06:34:39 AM
How do you figure what your coefficient of drag is?

Scott

Pay your bucks to the wind tunnel or do a roll down test.  I believe Jack D has experience in doing roll down tests.

I would have to dust off a book or two or do a bit of googling, so you may see what you can find on roll down tests.  In theory it's supposed to be easy IIRC.

tortoise

#16
Quote from: sockjohn on June 04, 2008, 02:47:08 PMI would have to dust off a book or two or do a bit of googling, so you may see what you can find on roll down tests.  In theory it's supposed to be easy IIRC.
Uh, see "Coast Down Formula", in "Formulas", this site.

Stan Back

Jack started his tests at the local bowling alley -- and progressed to engineering wonders.
Past (Only) Member of the San Berdoo Roadsters -- "California's Most-Exclusive Roadster Club"

comp

Quote from: A2WindTunnel on May 30, 2008, 12:35:18 PM
There is some good info on wind tunnel testing at

www.A2WT.com

cool link

ronwoo

Hello, I just went to open the nomograph, one of my favorite things, and it appears the link is broken. Is there another way I can get access to it?
Thanks, Ralph Hudson

Hot Rod Lincoln

#20
^^^

I was wondering the same thing?

Is there another calculator to use that has the cd numbers?

Jon

hotrod

I suspect this may be an issue the web elf needs to sort out, the link might have gotten broken when they did the upgrade.

Larry

ol38y

The RB Racing link in #5 still works...
Larry Cason
Bakersfield,CA    It's a dry heat!

2010 BUB 1350 M-PG record
2012 Speedweek  1350 A-PG record 169.975
2014 El Mirage Dry Lake  1350 A-PG  172.651