Tuesday, November 11, 2008

Stills, Reviews, Specifications of "World's Fastest Bike"


The Tomahawk concept is an awesome-sounding machine; we saw it started and revved. Clouds of blue smoke vied for attention with the throaty rumble of the mighty V-10, and hitting the gas visibly opened the twin throttle body blades up front where the headlight would normally be. Though deeper and more rumbling than most motorcycles, it did not seem to be louder overall - just deeper, with no shrill overtones.The Tomahawk is a Viper V-10 based motorcycle, a 500 horsepower engine with four wheels beneath it. The engine breathes through twin throttle bodies mounted right up front.At the time of its introduction, many did not believe the Tomahawk could be ridden and leaned into a turn. The Italian company Piaggio has since demonstrated with their very well received MP3 scooter, that, given adequate development time, the same basic principal could in fact be successfully implemented. The Tomahawk however was conceived and built to serve only as a communication tool, having as its mission to promote the Dodge brand, while showcasing the Viper motor as well as the creativity of the people behind that brand. The entire project, from conception to finished show vehicle was limited to only five months. The show vehicle therefore did not benefit from the sort of extensive dynamic development phase typical of production vehicles.
SPECIFICATIONS
# 500 bhp (373 kW) @ 5600 rpm (45 kW/L); 525 ft·lbf (712 Nm) @ 4200 rpm
# 10-cylinder 90-degree V-type, liquid-cooled, 505 in³ (8275 cc)
# 356-T6 aluminum alloy block with cast-iron liners, aluminum alloy cylinder heads
# Bore x Stroke: 4.03 by 3.96 in (102 x 101 mm)
# Two pushrod-actuated overhead valves per cylinder with roller-type hydraulic lifters
# Sequential, multi-port electronic fuel injection with individual runners
# Compression Ratio: 9.6:1
# Max Engine Speed: 6000 rpm
# Fuel Requirement: Unleaded premium, 93 octane (R+M/2)
# Oil System: Dry Sump; takes 8 quarts (8 L) Mobil 1 10W30 Synthetic
# Cooling System: Twin aluminum radiators mounted atop engine intake manifolds, force-fed from front-mounted, belt-driven turbine fan. Takes 11 quarts (10 L) of antifreeze.
# Exhaust System: Equal-length tubular stainless steel headers with dual collectors and central rear
# According to the official specs 0-60 mph times have been estimated at 2.5 seconds, with an estimated top speed of 350 mph. But there are also reports that the top speed is 676 km/h (about 420 mph).

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