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Fibre Front
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Occasionally I am asked what are the differences between a Formula 1 and Champ Car chassis. Yet how many people really know what a Champ Car is? (As I'm frequently asked to explain what they are)

Unfortunately the majority of today's non-racing savvy public only knows what "RASSCAR" (Nextel Cup) is... So my simple answer is: Do you know the cars that run at the Indianapolis 500? Those are "Indycars," which a Champ Car loosely resembles.

Although technically speaking, the Indy 500 is the sole domain of the Indy Racing League, which is NOT Champ Cars. This is due to the current state of Open Wheel racing having been divided between two opposing sanctioning bodies when the CART-IRL split occurred back in 1996...

The most noticeable visual difference between a Champ Car and IRL chassis is the rear engine cowling. Champ Cars being turbocharged do not utilize an overhead airbox. IRL cars feature a "Formula 1-esque" airbox to ram air into the engines induction buried inside the carbon fibre enclosure...

And yet this year's brand new Panoz DP-01 Champ Car will appear to be a hybrid of the series former Lola B2K chassis and a current spec Formula 1 contender with its new front wing treatment. The new Panoz will also utilize similar F1 steering wheel mounted paddle shifting and a host of new electronic engine management features including the removal of the ubiquitous "pop-off" valve...

Providing an interesting twist on the subject of Open Wheel racing cars terminal velocity was the announcement that F1's BAR-Honda would attack the Bonneville Salt Flats in October 2006 in an effort to break 400kph...

Further details were gleamed while watching last July's Formula 1 Qualifying at Silverstone. (Sat, 7/09/06) when the SPEED Channel's Bob Varsha made some interesting comments during the 5AM broadcast.

Varsha noted that the BAR-Honda "jalopy" was expected to "max-out" at 250+mph running a modified Formula 1 chassis with front and rear wings removed and utilizing a parachute...

This leads back to another question I'm often asked: Which is faster: "The chicken or the egg. The Coyote or the Road Runner?" ERR, Formula 1 or "chUmp carZs?"

This naturally leads to a comparison of rival machinery. The 2005 BAR-Honda 007 chassis is propelled by a 3.0 liter normally aspirated V-10,

rumoured to be producing 955bhp @ 19,200RPM's... Yet in July 2005, BAR-Honda was in LAST place of the F1 Constructor's standings.

Meanwhile the '05 Champ Car, the Lola/Cosworth 2.65 liter turbocharged V-8 was producing 750bhp @ 37" of boost. Utilizing Cosworth's "Push-to Pass" technology allows drivers 60 seconds of "turbo boost" creating an extra 50bhp to be applied for a maximum output of 800bhp.

During the waning years of Factory backed Champ Car (CART) racing, engines were fast approaching 900bhp. And in 2000 Gil de Ferran recorded Honda's fifth consecutive CART Drivers' championship while setting a new world closed-course speed record of 241.428 mph at California Speedway. (Fontana, CA: 2.5 mile Tri-Oval)

Meanwhile the F1 circus has hit "terminal velocity" speeds of 221+ mph along the front straight of Indianapolis while making the long blast down the straightaway by running full throttle for 21 seconds... (Prior to the 2005 Michelin tire DEBACLE!!! Fortunately I was attending the Portland GI Joes Champ Car race instead...)

This was prior to Formula 1's engine downsizing from 3.0 liter Normally Aspirated V-10's to 2.4 liter V-8's by lopping off two cylinders in an effort to reduce power outputs which were threatening to exceed 1,000bhp!

This had occurred in the mid 1980's during F1's Turbo era which had seen 1,100+ bhp during qualifying from the tiny 1.5 liter inline 4's and V-6 twin turbocharged motors. The spiraling horsepower increases led to the FIA (Formula 1's sanctioning body) choosing to return to normally aspirated engines with the introduction of 3.5 liter maximum displacement in 1989, with a reduction to 3.0 liters in 1990... (This engine formula stayed in place from 1990 to 2005)

The all time monsters were known as Can Am, which raced from 1966-1974. This saw the evolution of the all-conquering German Panzer, otherwise known as the Porsche 917/30 whose flat 12 turbocharged motor was rumoured to exceed 1,300bhp...

Yet In the mid-90's Porsche's direct descendant of the 917's: The 956's followed by the dominant 962's vs. Jaguar XJR's (Lemans prototypes) were both blasting down the 3.0 mile Mulsane straight just shy of 250mph. (246+ mph) This led to the addition of two chicanes being added to carve up the straightaway...

Of course top speed is simply relative to the vehicles application...

On Oct. 15, 1997 the British Thrust SSC became the first jet powered "automobile" to break the speed of SOUND! (Mach 1) The dual engine land jet blasted to a two way average speed of 766.609 mph...

And just where do the boundaries of ultimate speed end?

For example, the Lockheed SR-71 flies FASTER then a speeding bullet (3,000 mph), while the XB-70 Valkerie broke ALL records with a top speed of Mach 5! (3,700+ mph)

So which is ultimately faster: Formula 1 or Champ Cars? Unfortunately this will NEVER truly be answered as the two different forms of Open Wheel cruise missiles adhere to different engine formulas, rules packages, different tires, weights, fuels, gear ratios, etc. And the greatest limiting factor is the different aerodynamic rules enforced by Formula 1 vs. Champ Cars.

Even the racing is slightly different. While both race on traditional road circuits and apply the same "Point 'N Squirt" theory of racing. F1 chassis are more suited towards outright acceleration from corner to corner while Champ Cars were able to reach higher top speeds while continuously circling the banked super speedway ovals during the late 1990's or as exhibited by today's running of the Indy 500...

Yet during the 2006 Champ Car World Series raced at Montreal's Circuit Gilles Villenuve, site of the Canadian Formula 1 race, their lap times were nearly 7 seconds SLOWER then the F1 cars... (Lap Time Comparison: F1 = 1:14.942 vs. Champ Car = 1:21.856)

Tomas Rotelli is an aspiring Motor sports writer along with having been an avid Racing fan for the past two plus decades. Living in Seattle, WA I have enjoyed a multitude of varying racing venues consisting primarily of permanent road courses and temporary street circuits.

I made my foray into writing in the mid 1990Â’s while penning a monthly Ford Racing News Colum for WASAAC (Washington Shelby Automobile Club) for 6 yearsÂ…

I have been fortunate enough to attend a multitude of Vintage car races at various venues including: Monterey, Sonoma, Seattle and Portland. I have also enjoyed attending multiple Formula 1, Champ Cars (CART) and IMSA GTP & ALMS races over the preceding yearsÂ…

Transmit Trillion Bits Using Fibre Optic Cables

The fibre optic cables are made of thin glass strands and have the capacity of transmitting trillions of bits per second. Fibre Optic Cables use light pulses to transmit information down fibre lines instead of using electronic pulses to transmit information in copper lines. Light pulses move easily down the fibre optic line because of a principle known as total internal reflection. When this principle is applied to the construction of the fibre optic strand, it is possible to transmit information down fibre lines in the form of light pulses.

There are three basic elements of a fibre optic cable. The core, the cladding and the coating.

Core is the light transmission area of the fibre cable, either glass or plastic. The larger the core, the more light will be transmitted into the fibre.

The function of the cladding is to provide a lower refractive index at the core interface in order to cause reflection within the core so that light waves are transmitted through the fibre.

Coatings are usually multi-layers of plastic applied to preserve fibre strength, absorb shock and provide extra fibre protection. These buffer coatings are available from 250 microns to 900 microns.

The size of the optical fibre cable is commonly referred to by the outer diameter of its core, cladding and coating. Example: 50/125/250 indicates a fiber with a core of 50 microns, cladding of 125 microns, and a coating of 250 microns.

There are two basic types of fibre: multimode and single-mode. Multimode fibre cores may be either step index or graded index. The single mode has a higher capacity and capability than either of the two multimode types. For example, undersea telecommunications cables can convey 60,000 voice channels on a pair of single mode fibres.

Considerations of tensile strength, ruggedness, durability, flexibility, size and resistance to the environment, flammability, temperature range and appearance are important in optical fibre cables.

Fibre optic cable is the medium on which the broadband technology is based. Fibre optic cables have the ability to transmit multiple pieces of data simultaneously and to carry signals from different network carriers. It is simply amazing to see the many uses of Fibre optic cables.

For more information on buying different types of Fibre optic cables from leading manufacturers, log onto www.mayflex.com

About the Author

Mike Nicholson

Does anyone know where i might find a carbon fiber front bumper for a 94 acura integra GS-r 4dr??

probably www.Craigslist.com and pick the area your in. Its better than ebay. Its local.

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