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bobtaus
X-TRAIL ENTHUSIAST
Date Registered: 10-2006
Location: Montrose,Vic
TOTAL POSTS: 233
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Re: The Race Track Challenge! (26/9/07)
Best of Luck for you Jalal on wed night
Bit far for me to come but will be there with you in spirit
--- X456 My Ride, 2004 Series II TI Auto, Carpets Thru out, Tinted Windows, 4 Weather Shields, Nudge Bar c/w Driving Lights, Fog Lights, Tow Bar,Sill Protectors,Transmax Z Synthetic in Auto, Elec Brakes, Roof Racks, Rear Spoiler.
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22/Sep/2007, 8:24 am
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: The Race Track Challenge! (26/9/07)
Thanks Bob. Hope it doesn't rain on the day
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22/Sep/2007, 9:50 am
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: The Race Track Challenge! (26/9/07)
Then there will be no race Kev and the track will be closed.
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22/Sep/2007, 9:56 am
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BRETT72
X-TRAIL HOLIC
Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Re: The Race Track Challenge! (26/9/07)
Sorry mate. I would love to come down and see both vehicle's in action, but it is a little bit far and I am working the following morning. Best of luck.
Have you stripped the interior out yet to save on weight.
On a side note, I understand that the kw output of both vehicles may be similar, but what about the drag effect. With all your mods, including nudgebar, top rails and roof racks, rear spoiler (and all the bling), won't yours have a higher wind drag effect then a standard looking one. May be a silly question, but every 'drag' car I have seen is made to be as sleek as possible, especially at the front.
At low speeds the mass (weight), the tractive force (horsepower/tires/track) and the inertia (load transfer) are the dominate determinants of performance limited only by loss of control caused by wheel-stands or smoking (spinning) tires. These problems are diminished with increasing speed.
At higher speeds aerodynamic forces become important, increasing as the square of the airspeed. A flat plate of one square foot area and perpendicular to the relative wind will produce drag force of zero at zero miles per hour, 33 pounds at 100 mph, 133 pounds at 200 mph and 299 pounds at 300 mph. The corresponding horsepower required to overcome the aerodynamic drag is zero, 9 hp at 100 mph, 71 hp at 200 mph, and 239 hp at 300 mph. A drag racer may have drag equivalent to a flat plate 12 feet in area and acting several feet above the ground, requiring 2,868 hp to overcome the aerodynamic drag at 300 mph.
DRAG FORCE ON A ONE-SQUARE FOOT SQUARE PLATE
Speed
Drag Force Horsepower Required
to Overcome the
Aerodynamic Drag
0 mph 0 pounds 0 hp
100 mph 33 pounds 9 hp
200 mph 133 pounds 71 hp
300 mph 299 pounds 239 hp
Best of luck mate.
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22/Sep/2007, 10:21 am
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: The Race Track Challenge! (26/9/07)
I wish I could get a chance to remove the roof and make it a "convertible exy" Brett, but apart from taking the spare wheel off and having half a tank of fuel, am gonna race "naturally" and without removing anything else
The 0-100kms times I posted previously and which I had achieved included the full weight and drag effect of all of the accessories and additions to my exy, so I want to do the same this time and compare.
It's just a comparison race to record the best times, not a 350kms/hour one
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22/Sep/2007, 12:34 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: The Race Track Challenge! (26/9/07)
Yes Kev, am sure the turbo exy would be standard as well, it's not their race car, it is their daily commuter/transport (like mine)
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22/Sep/2007, 6:09 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: The Race Track Challenge! (26/9/07)
Cool, I was wondering if it was an auto or manual, so looks like this will be even more interesting with 2 autos head to head.
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22/Sep/2007, 8:34 pm
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