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- Dodge Tomahawk V-10
Dodge Tomahawk V-10
The Detroit auto show has seen a lot of concept cars over the decades, but
a four-wheel motorcycle powered by a 500-horsepower V-10 engine is a first.
January 10, 2003
Detroit, MI - The Detroit auto show has seen a lot of concept cars over the
decades, but a four-wheel motorcycle powered by a 500-horsepower V-10 engine
is a first.
And it may turn out to be more than a concept.
DaimlerChrysler AG's (NYSE CX - news) (DCXGn.DE) Chrysler arm unveiled the Dodge Tomahawk -- essentially the 8.3 liter engine from a Dodge Viper mated to a motorcycle frame. Chrysler executives said while the chrome-draped Tomahawk was outlandish, they were seriously considering whether to build a few hundred at a price of at least $250,000 each.
"This is for people who are passionate about engines," said Chrysler Chief Operating Officer Wolfgang Bernhard, who rode the Tomahawk on stage during a media preview. "A motorcycle is the most beautiful way to showcase an engine."
The 1,500-pound Tomahawk can reach 60 miles an hour in about 2.5 seconds, and has a theoretical top speed of 300 mph. Each pair of wheels is separated by a few inches and each wheel has an independent suspension. Bernhard said four wheels were necessary to handle the power from the engine.
The Dodge Tomahawk is a Chrysler Group design concept that is as much a Viper-powered work of art as it is a whole new type of vehicle invention. It is both a sculpture that can be ridden, as well as a bold statement about the Chrysler Groups enthusiast culture and passion for design.
Chrysler executives said if the Tomahawk were put into production, it would draw attention to the Dodge brand in ways no ordinary sports car could. Bernhard said a decision on whether to build the Tomahawk could be made in several months.
The Tomahawk is a Viper V-10 based motorcycle, a 500 horsepower engine with four wheels beneath it. Ten hand-built reproductions, each to be sold at the smooth price of $555,000. If youre power junkie looking for a collectors item, this is the ultimate trip.
500 bhp (372 kW) @ 5600 rpm (60.4 bhp/liter); 525 lb.-ft. (712 Nm) @ 4200
10-cylinder 90-degree V-type, liquid-cooled, 505 cubic inches (8277 cc)
356-T6 aluminum alloy block with cast-iron liners, aluminum alloy cylinder heads
Bore x Stroke: 4.03 inches x 3.96 inches (102.4 x 100.6)
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 Mobil1 10W30 Synthetic
Cooling System: Twin aluminum radiators mounted atop engine intake manifolds, force-fed from front-mounted, belt-driven turbine fan. Takes 11 quarts of antifreeze.
Exhaust System: Equal-length tubular stainless steel headers with dual collectors and central rear outlets
Outboard, single-sided parallel upper and lower control arms made from polished billet aluminum. Mounted via ball joint to aluminum steering uprights and hubs. Five degrees caster. Single, fully adjustable centrally located coil-over damper (2.25-inch coil with adjustable spring perch); pullrod and rocker-actuated mono linkage. Center-lock racing-style hubs
Hand-fabricated box-section steel inboard swing arms, incorporating "hydral-link" lockable recirculating hydraulic circuit parking stand. Single fully adjustable centrally located Koni coil-over damper (2.25-inch coil with adjustable spring perch); pushrod and rocker-actuated mono linkage. Center-lock racing-style hubs
20-inch perimeter-mounted drilled machined stainless steel rotors, one per wheel. Two four-piston fixed aluminum calipers per wheel (16 pistons total), custom designed. Blue anodized caliper finish. Hand-activated.
20-inch perimeter-mounted drilled cast-iron rotors, one per wheel. One four-piston fixed aluminum caliper per wheel (8 pistons total), custom designed. Blue anodized caliper finish. Foot-activated.
PERFORMANCE:0-60 mph: 2.5 seconds (est.)
Top Speed: 300+ mph (est.)
DIMENSIONS:Length: 102 inches
Width: 27.7 inches
Height: 36.9 inches
Wheelbase: 76 inches
Seat Height: 29 inches
Weight: 1,500 lbs.
Track, Front: 8.75 in
Track, Rear: 10 in
Weight Dist: 49F/51R
Ground Clearance: 3 in
Fuel: 3.25 gallons
ELECTRICAL SYSTEM:Alternator: 136-amp high-speed
Battery: Leak-resistant, maintenance-free 600 CCA
Lighting: Headlights consist of 12 five-watt LEDs, front, with beam-modifying optics and masked lenses. Eight LEDs, rear. Headlamps articulate with wheels.
TRANSMISSION: Manual, foot-shifted two-speedAluminum-cased two-speed, sequential
racing-style with dog ring, straight-cut gears
Gear Ratios: 1st 18:38; 2nd 23:25
Clutch: Double-disc, dry-plate with organic friction materials, hand lever actuated with assist
Final drive: Dual 110-link motorcycle-style chains
Front Sprockets: 14 teeth
Rear Sprockets: 35 teeth
BODY/CHASSIS:Longitudinal, centrally mounted engine, rear-wheel drive layout; monocoque construction, engine is central, stressed member. Body of billet aluminum.
STEERING:Dual hub center type steering.
Steering Linkage: Rocker arm and push/pull rod with roller bearings. Polished billet aluminum steering yoke with turned aluminum grips and billet levers
Steering Lock: 20 degrees, left and right
Lean Angle: 45 degrees, left and right
TIRES and WHEELS (4):Type and Material: Billet aluminum discs, asymmetrical
Size, Front (2): 20x4
Size, Rear (2): 20x5
Tires Mfr. and Model: Dunlop custom-made symmetrical
Size, Front (2): P120/60R-20
Size, Rear (2): P150/50R-20