The Dodge Tomahawk Motorcycle Concept Car

dodge tomahawk motorcycle

Dodge Tomahawk concept motorcycle

V10 Dodge motorcycle concept

ENGINE

  • 500 bhp (372 kW) @ 5600 rpm (60.4 bhp/liter); 525 lb.-ft. (712 Nm) @ 4200 rpm
  • 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

SUSPENSION:

Front:

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

Rear:

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

BRAKES:

Front:

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.

Rear:

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.

logo - tomahawkThe 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. (That's what the two round things above the front tires are).

Chrysler sold nine replicas through Neiman Marcus, for up to $555,000 each. The motorcycles cannot be legally driven on public roads. A Chrysler spokesman told Reuters they were meant as rolling sculptures - but they can probably still be driven on private roads (the rolling-sculpture comment may be designed to avoid legal liability).

The Tomahawk concept is an awesome-sounding machine; we have not driven it, as you may expect, but did see it started up 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 and less shrill.

Rumors had the Tomahawk selling for under $200,000, most likely at a loss or breakeven price, for publicity purposes - but still fully drivable. Wolfgang Bernhard, Chrysler's first mate at introduction time, was said to be enthusiastic about that project, so much so that hundreds were projected to be built at under $200,000 each. They reportedly cost Chrysler over $100,000 to build (the work is outsourced).

The Dodge Tomahawk can reach 60 miles an hour in about 2.5 seconds, and has a theoretical top speed of nearly 400 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 Tomahawk remains on display at auto shows - though well out of reach of the general public, elevated on a special display.

PERFORMANCE:

0-60 mph: 2.5 seconds (est.)
(Some estimate 1.9)
Top Speed: 300+ mph (est.)

ELECTRICAL:

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.

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 (!)

TRANSMISSION: Manual, foot-shifted two-speed

Aluminum-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

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

BODY/CHASSIS:

Longitudinal, centrally mounted engine, rear-wheel drive layout; monocoque construction, engine is central, stressed member. Body of billet aluminum.

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

 

another photo of the tomohawk from dodge

dodge tomahawk pictures

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