How does a Shockwave jet-powered truck work?!
Posted Wednesday, Aug 06, 2008 by ange
Shockwave, a triple jet-engine truck on a 260-in-ch (660-cm) wheelbase, holds the Guinness- record for jet-truck speed at 376 miles per hour (605 kph). Driving on a runway, Shockwave races airplanes that are flying above it at 300 miles per hour.
Shockwave uses three Pratt & Whitney J34-48 engines, also used in the U.S. Navy's T2A Buckeye plane. The engines are arranged in a pyramid formation, tilted at a three-degree angle to help keep the 6,800-pound (3,084 kg) truck on the ground.

Shockwave jet-powered truck
The engines produce a total of 36,000 horsepower and 19,000 pounds of static thrust. The outlet of the engine is fitted with a special fuel line that carries raw diesel fuel to a ring-like burner inside the outlet. This dumping of raw diesel fuel into the burner creates flames and smoke that make for some very special effects.
The front of the truck is the only stock part, an original 1985 Peterbilt cab.
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Hand-fabricated dashboard in the stock 1985 Peterbilt cab. Note the zero to 300-mph airspeed indicator above the steering wheel.
The familiar twin vertical chrome exhaust stacks are modified with piezoelectric ignitors for lighting the raw diesel fuel to produce flames. This truck consumes 400 gallons per mile during a race. If the afterburner mode is used, the fuel is consumed even faster.
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The exhaust stacks are fitted with piezoelectric ignitors. Note the horizontal, metal shield that prevents the cab-roof paint from burning.
Shockwave uses conventional truck tires. However, they shave 85 pounds of tread off each one to reduce the weight (mass) of the tire and to keep the tread from separating and flying off when traveling at 300 mph. All-wheel, large-diameter disc brakes are used on each wheel.
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Shockwave uses all-wheel disc brakes. Note the jet-engine exhaust at left.
Aircraft-type parachutes are used to slow Shockwave down at the end of a run.

Shockwave jet truck cools down after an exhibition run at an air show. Note the parachute-storage tube visible beneath the rear spoiler.
In a typical show, an aircraft approaches the jet truck from behind, flying at about 200 mph (321.8 km/h). The Shockwave jet truck accelerates from zero to 300 mph in about 11 seconds in an attempt to catch up with the plane overhead.
Shockwave jet-powered truck (the full version photos)















Shockwave jet-powered truck [Video]
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Tags: Auto Photos, How to, jet-engine, jet-powered, Shockwave, truck, Unusual cars, work
Comments: 5 | Views: 18421 | Points: 5 | Up votes: 5 | Down votes: 0
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- Since: 16 Jul 2008
- Last Login:1 Dec 2008

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Comments
by avava on August 6, 2008, 7:57 am
Next you'll be asking whether it's good for the school run.
by bat_iii on August 6, 2008, 8:14 am
Oh wait, because it would be a blast.
by elputoyanki on August 6, 2008, 8:29 am
I'd love to see that race against a Veyron...
by failtech on August 6, 2008, 8:33 am
That's the real question? Dear lord.
by gimmik on August 6, 2008, 8:38 am
If you can't take it, just drive something else, okay? I'm sure you won't be alone.