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Total 19 documents matching your query.

1. aerodynamics question (score: 1): Author: "Jack W. Drews" <vinttr4@geneseo.net>; Date: Sat, 05 Mar 2005 11:32:45 -0600; Question for my fellow tech freaks. I understand that the frontal area that those little air molecules see is the total profile of the front of the car. I also understand that the shape of the front; /html/fot/2005-03/msg00061.html (7,620 bytes)
2. RE: aerodynamics question (score: 1): Author: Bill Babcock <BillB@bnj.com>; Date: Sat, 5 Mar 2005 09:59:35 -0800; The recent issues of Racecar Technology (or whatever the name is)has some really interesting articles on aerodynamics and race cars. You should pick up a few back issues. There's a couple of aerodyna; /html/fot/2005-03/msg00062.html (9,183 bytes)
3. RE: aerodynamics question (score: 1): Author: "Hugh Barber" <tr6nut@sbcglobal.net>; Date: Sat, 5 Mar 2005 11:14:52 -0800; Generally yes, however the aerodynamic requirements/benefits for a super speedway environment (maintained high speed; balance of drag/down force) are much different than those for a road course envi; /html/fot/2005-03/msg00063.html (8,492 bytes)
4. Re: aerodynamics question (score: 1): Author: "BOB KRAMER" <rkramer3@austin.rr.com>; Date: Sat, 5 Mar 2005 13:30:29 -0600; With the NASCAR cars, the blocked off air goes over the car and provides downforce via their finely sculpted bonnets. With the TR4, air blocked by the grill will go where ever it can. I think that th; /html/fot/2005-03/msg00064.html (9,028 bytes)
5. Re: aerodynamics question (score: 1): Author: "kas kastner" <kaskas@cox.net>; Date: Sat, 5 Mar 2005 11:38:12 -0800; Yes, taping off the grill opening reduces the drag, because, you've eliminated the drag of the air going over the engine and through that forest of draggy parts and poor on non-existent exit design f; /html/fot/2005-03/msg00065.html (10,107 bytes)
6. Re: aerodynamics question (score: 1): Author: joe dirt <oldskooling@yahoo.com>; Date: Sat, 5 Mar 2005 12:21:33 -0800 (PST); The front of the Nascar cars are wedged shaped. Blocking off the grill, the air just spills off over the hood. As for blocking off the brake ducts it just spills off the sides of the air dam and flow; /html/fot/2005-03/msg00066.html (10,588 bytes)
7. Re: aerodynamics question (score: 1): Author: N197TR4@cs.com; Date: Sat, 5 Mar 2005 15:47:23 EST; I THOUGHT about putting a flap under the front cross member to create some low pressure in the engine compartment, but have not. I DID borrow a trick from the West Coast guys and am directing air thr; /html/fot/2005-03/msg00067.html (10,653 bytes)
8. Re: aerodynamics question (score: 1): Author: "kas kastner" <kaskas@cox.net>; Date: Sat, 5 Mar 2005 12:42:52 -0800; Perhaps the Vintage series people allow you to block open the hood and cut vents, but I've never seen that in any of the cars of the era you are simulating. ABSOLUTELY FORBIDDEN. But, there is not mu; /html/fot/2005-03/msg00068.html (11,447 bytes)
9. RE: aerodynamics question (score: 1): Author: "Brad Eells" <bradlnss@lightspeed.net>; Date: Sat, 5 Mar 2005 14:43:00 -0800; What??? Michelotti didn't use a wind tunnel when designing the TR4??? Blasphemy!!! Brad << You will find that sometimes air is actually moving in the opposite direction to which it appears it should; /html/fot/2005-03/msg00072.html (8,380 bytes)
10. Re: aerodynamics question (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Sat, 05 Mar 2005 17:41:40 -0600; Unless you've got access to a wind tunnel (we wish), a coast down test is the best way to determine your drag coefficient. The Robert Bosch handbook gives a good description of how to do this. I rece; /html/fot/2005-03/msg00075.html (8,530 bytes)
11. Re: aerodynamics question (score: 1): Author: "Charly Mitchel" <charly@mitchelplumbing.com>; Date: Sat, 5 Mar 2005 16:20:45 -0800; Yeah Bill It was good to watch the F1 qualifying. It's about the only racing I really enjoy watching on TV. I do watch some of the other stuff like World Rally cars, and European Touring cars, but F1; /html/fot/2005-03/msg00083.html (11,378 bytes)
12. Re: aerodynamics question (score: 1): Author: emanteno@comcast.net; Date: Sun, 06 Mar 2005 04:04:14 +0000; -- Original message from Larry Young -- While this isn't racing data, I did check fuel economy with the top up and down on a road trip to a VTR Convention in my TR6 . With it up, the mileage went up; /html/fot/2005-03/msg00088.html (8,540 bytes)
13. Re: aerodynamics question (score: 1): Author: joe dirt <oldskooling@yahoo.com>; Date: Sat, 5 Mar 2005 20:33:39 -0800 (PST); Keep in mind that is with a windshield. They had a similar discussion on the SCCA production car forum. This is what was said "1.) An open car with no windscreen and a fairing and/or tonneau to smoot; /html/fot/2005-03/msg00090.html (9,943 bytes)
14. Re: aerodynamics question (score: 1): Author: "rob" <19to1tr6@comcast.net>; Date: Sat, 5 Mar 2005 23:42:03 -0500; i get 8mpg better with the tail gate down -- Original Message -- From: <emanteno@comcast.net> To: "Larry Young" <cartravel@pobox.com>; "Jack W. Drews" <vinttr4@geneseo.net>; "FOT" <fot@autox.team.net; /html/fot/2005-03/msg00091.html (8,874 bytes)
15. RE: aerodynamics question (score: 1): Author: "Joe Curry" <spitlist@cox.net>; Date: Sat, 5 Mar 2005 21:55:47 -0700; Most sources say that any sort of top would help aerodynamics on any car by helping the air flow more smoothly across the top rather than being swirled behind the driver and causing a lot of. Turbule; /html/fot/2005-03/msg00092.html (8,865 bytes)
16. Re: aerodynamics question (score: 1): Author: Tony Drews <tony@tonydrews.com>; Date: Sat, 05 Mar 2005 22:58:46 -0600; Subjectively, I'd say that we had more top end on old blue than on new blue at Road America. The difference was that old blue ran the full windscreen and the surrey hard top while new blue is an open; /html/fot/2005-03/msg00093.html (8,270 bytes)
17. Re: aerodynamics question (score: 1): Author: <triumph_marx@freenet.de>; Date: Sun, 6 Mar 2005 14:46:29 +0100; As far I can say, my TR4 racer is most fastest with the short windshield and a lot slower with softtop. Chris; /html/fot/2005-03/msg00096.html (8,357 bytes)
18. Re: aerodynamics question (score: 1): Author: N197TR4@cs.com; Date: Sun, 6 Mar 2005 09:23:32 EST; Nothing is mentioned here about roll cages stuck up into the airstream: ...I have always felt that big ugly full hoops with generous amounts of padding create more drag than a nicely shaped coupe con; /html/fot/2005-03/msg00097.html (9,298 bytes)
19. Re: aerodynamics question (score: 1): Author: joe dirt <oldskooling@yahoo.com>; Date: Sun, 6 Mar 2005 07:54:09 -0800 (PST); Wow, this is a fun discussion :). Anyway that was also mentioned in a later thread on that site. Many guys try to sit as low in the car as they can trying to keep the main hoop out of the airstream.; /html/fot/2005-03/msg00101.html (10,287 bytes)

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