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#1
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Interesting Race Facts
Someone sent me the following - not certain of the total accuracy, but they are interesting!!
- All Indy Cars racing in 2007 will run on 100% fuel grade ethanol (corn squeezings is good!). - The down force produced by Indy cars and Formula 1 cars is so great that at 220 MPH the cars could run UPSIDE DOWN on a road surface as long as speed was maintained. - Formula 1 engines in 2007 will rev to a staggering 21,000 RPM, but displace less than 3 liters producing 650 HP. - Each of the 8 pistons in the Honda supplied engines for the Indy Racing League travels almost a full mile up and down every minute. - Formula 1 cars accelerate 0-100 MPH in less than 3 seconds. That's 5 seconds quicker than it takes a production Porsche 911 turbo - Top Fuel Dragsters accelerate 0-100 MPH in less than .8 of a second. - At 220 MPH Indy, CART, and Formula 1 cars are traveling the length of a football field EVERY SECOND. - Top Fuel dragsters can exceed 280 mph in just 660 feet. - Top Fuel Dragsters use nitro-methane for fuel. It is so volatile that if you drop it on the ground, it explodes and evaporates instantly. - Top Fuel Dragster Engines spin so fast over the 1/4 mile run that the fuel is the only thing that cools the pistons to the point where they do not seize to the cylinder walls. - Top Fuel dragsters launch at approximately 9G. An F-18 leaving an aircraft carrier launches at 7G. - After only 12 laps, the Bridgestone and Michelin tires, used on Formula 1 cars, surface approaches the temperature of boiling water (212 Degrees) - Tires at the Indy 500 go through an average of 60,000 revolutions between fuel stops. - The brakes on the Ferrari Formula 1 car are so effective that the driver is subjected to over 5G under full braking. - CART, Indy, and Formula 1 cars regularly pull 5G or more while cornering. - 1 Cylinder in a Top Fuel Dragster produces 750 HP. For comparison, it takes a NASCAR engine 8 cylinders to produce 750 HP. Harry
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newsvx 1992 SVX LSL, #1215 1997 SVX LSi, #370 "I live with fear every day. Sometimes she lets me go racing." "Getting Older and Slower" Locker: http://www.subaru-svx.net/photos/user.php?newsvx |
#2
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Oh I love how uber intense the F1 stuff is....
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1992 SVX LS-L 77,000 Miles 1983 Alfa Romeo Gtv6 1990 Alfa Romeo Spider 1973 TVR 2500M |
#3
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But otherwise, ya, those cars are nuts. F1 is killing itself though.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#4
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If this were all true, the car would have to be designed such that the suspension could operate at speed, carrying twice the weight as when static.
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Trevor, New Zealand. As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit! |
#5
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How much of the downforce is cancelled by lift?
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Disclaimer: The above post is on the internet. |
#6
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From what I understand, the downforce is equal to almost 4 times the weight of the car itself
Now..if they designed indy car tracks with a straightaway at corkscrewed, and there were flaming loops, pungee pits, and bleachers underneath.....Then there'd be no way in hell of the sport dying
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R.I.P Cool Signature. You're gone but not forgotten. I mean, sure, I kindof don't remember some of the finer details..but I remember you were funny, and at one point you said spaghetti in Dutch....but definantly not forgotten |
#7
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Trevor, New Zealand. As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit! |
#8
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I believe the number they're basing that idea on is the speed at which the cars downforce becomes greater than the weight of the car itself, thus in theory it could be driven upside down, with sufficient lift (downforce acting upward) to negate gravity and keep the car up.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#9
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My question was really directed toward Trevor's statement. It's an important observation - how in the world do you tune a suspension that's supposed to carry such a range of actual and virtual load? In any given speed, you're sitting on something like the weight of the car plus the downforce produced minus the lift that occurs.
Let's get a pair of any given street car, stack 'em up, and see if the bottom one hits the suspension's bump stops? Crazy, there's no doubt that the aforementioned journalistic license is what brings this amusing idea. "Neato math" is fun, but I don't think most folks are so concerned about the way oil flows in inverted engines!
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Disclaimer: The above post is on the internet. |
#10
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dcb |
#11
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I find that it is difficult to believe.
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19 |
#12
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5.1.3 Crankshaft rotational speed must not exceed 19,000rpm. So it's distinctly possible that some engines might otherwise have been spinning that fast, or even faster, this year. The ultimate limit to the revs is the speed of sound, which governs how many air molecules can go down the inlet tracts and get into the cylinders whilst the valves are open.
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I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind; it may be the beginning of knowledge, but you have scarcely in your thoughts advanced to the state of Science, whatever the matter may be. Sir William Thomson |
#13
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Of course, the total suspension travel is all of an inch or so, so you might as well just mount your wheels on some poly bushings and straight to the frame As for inverted engines...It's true, MOST people aren't so concerned. *Thinks back to -3G inverted pushover in a Pitts Special*
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#14
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For all of 1.3 HP. YAY 0.46 cubic inches of nitro-methane power!!!
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#15
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