Miller Electric

The Miller Jet Dragster was custom designed by Larsen Motorsports and fabricated by Worthy Motorsports, Palmetto, Fla. in Feb. 2009. Using Miller Syncrowave® 180 and 250 TIG machines, every component was fabricated to strict engineering standards in order for the vehicle to endure the extreme G-forces applied during acceleration and deceleration.

How much fuel does a jet car consume during a typical 1/4-mile run?
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Answer:

The Miller Jet Dragster has two 15-gallon fuel tanks for a 30-gallon combined capacity. Each 1/4-mile run consumes 23 to 25 gallons. The tank never empties, which keeps the fuel pump seals from running dry.

Miller’s Jet Dragster uses biofuel, which is partially refined from algae, corn and soybeans. The formula is a biofuel, Jet-A blend for optimum performance. Cost per gallon is approximately $3 to $5

Do jet Dragsters run the same tires and wheels as Top-Fuel cars?
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Answer:

The rear tires of a jet dragster are not traditional to drag racing because they don’t transfer power to the pavement through traction like a regular wheel-driven car. Land-speed tires are used instead. Because jet dragsters are thrust driven, the tires essentially function like the wheels on roller-skates as the vehicle darts down the strip. One set of tires typically last a whole season.

  • Front – Goodyear Top Fuel dragster design
    • Size: 22-in.Tall x 4-in. Wide
  • Rear – Goodyear custom design for land speed record racing
    • Size: 28-in. Tall x 10-in. Wide
Why do jet cars use an afterburner?
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Answer:

Roughly 70 percent of the exhaust from the primary engine contains useable oxygen. The afterburner assembly is designed to re-introduce more fuel to the exhaust stream, igniting it to provide an additional 80- to 100-percent more HP in addition to the standard output of the engine. The military utilizes afterburners on engines slightly different than is desired for drag racing, which requires full power at the starting line. The engineering team at Larsen Motorsports modified the design to reach speeds of zero to 100 mph in 1.3 seconds.

Due to this “full-throttle” configuration, the 316L stainless steel afterburner glows cherry red from the exhaust heat and white-hot flame. Surface temperatures after a typical run reach 2,200 to 2,400 degrees Fahrenheit. During a night run, the afterburner is so hot you can actually see right through the 16-gauge metal!

Exotic metals such as Inconel make up some of the internal components that feel the full force of the engine’s heat.

How much does a jet dragster weigh?
Bonus: Why is this important?
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Answer:

Drag racing engineers are always striving to tweak the weight-to-power ratio to achieve the maximum speed. The more power and less weight, the faster the speed. Weather, on the other hand, can work against lighter bodied cars. For safety considerations, crosswinds gusting in excess of 15 mph will typically force a jet dragster to perform a shorter run (1/8-mile vs. 1/4-mile.)

Average Weight Comparisons
  • NASCAR – 3,400 lbs.
  • Indy – 2,000 – 2,500 lbs.
  • Top Fuel dragster 2,200 – 2,300 lbs.
  • Jet Dragster – 1,140 lbs.
How much time does the driver have to deploy the parachutes?
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Answer:

The Miller Jet Dragster covers 1/8 mile per second, roughly 660 ft., which makes stopping a priority. Jet cars do not use traditional brakes to stop; parachutes are the primary method of deceleration.

The driver has less than a second after crossing the finish line to deploy the chutes and less than 1/2 a second to notice if there is an issue requiring the reserve chute to be deployed. Elaine, along with other seasoned racers, have described an elevated sense of time with regards to their reaction speed when traveling at close to 300 mph. They feel almost as if time slows down.

Welded to the strongest part of the frame, the two custom racing chutes are designed to pull evenly and withstand nearly -7Gs as the car comes to a stop, which can take a few thousand feet.

Even though the car has 4-wheel disc brakes, they are only used to provide traction at the starting line, holding back the power from the primary engine right before takeoff.

What puts the most stress on a jet dragster?
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Answer:

Surprisingly, a jet car endures more damage from being towed from race to race than it experiences from a five-second run down the track. One trip down a rough road is like thousands of passes on the chassis down a racetrack.

On a typical weekend, a jet car will make four runs down the track. That’s 20 seconds that the car is actually moving under its’ own power. The rest of the time, it’s riding along and being moved in and out of the trailer.

How much air does a jet car pull through its engine every second?
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Answer:

The General Electric J-85 engine in the Miller Jet Dragster pulls 44 cubic feet of air through the engine every second.

Why We Built The Dragster ?

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Specifications
length: 27 Ft.
Wheelbase: 264 in.
Height: 37 in.
Ground Clearence: 31/2 in.
Width: 48 in.
Frame: Normalized 4130 chrome-moly steel, 250 lbs. bare weight
Body Covering: 040-in., 5052 aluminum
Nose: Kevlar/Carbon Fiber mix
Windshield: Lexan
Dry Weight: 1,145 lbs.
Propulsion Data
Engine Type: General Electric Model J-85, weighs 350 lbs., 2,500 HP
Afterburner: LMS custom design, built from 316L stainless steel, adds 2,500 HP
Thrust: 4,500 lbs.
Horsepower: 5,000 HP combined
Warm-up Time: 15 seconds to 1 minute
Cool-down Time: 30-40 minutes
Tires & Wheels
Designated Design and Sizes
Front: Goodyear Top Fuel dragster design
Size: 22-in. tall x 4-in. wide
Rear: Custom built by Goodyear for land speed record racing, 28-in. tall x 10-in. wide, radial design with a Kevlar safety belt
Tread Design: Slick
Inflation Pressures:
Front: 30 lbs.
Rear: 30 lbs.
Construction of the tires has been tested at speeds up to 350 mph.
Other Equipment
Brakes: Wilwood 4-wheel disc brakes
Parachutes: Two custom racing parachutes and one auxiliary chute
2008 Corvette
Horsepower 430 HP
Acceleration 0-60 mph 4.6 Seconds
Acceleration G's 1.05 G's
Quarter Mile E.T. 13 seconds
Top Speed 188 mph
Engine LS3 6.2 tdter V-8
Weight 3,300 lbs.
Cornering 1 lateral G
Miller Jet Dragster
Horsepower 5,000 HP
Acceleration 0-60 mph < 1 Second
Acceleration G's 5.3 G's
Quarter Mile E.T. 5 seconds
Top Speed Approaching 300 mph
Engine General Electric Model J-85
Weight 1,145 lbs.
Cornering Dont even think about it!
Matrix System Automotive Finishes
Matrix

Matrix System Automotive Finishes LLC is the largest independent manufacturer and distributor of automotive refinish paint products in the country.

aqualution

The Miller Jet Dragster was painted with Matrix System’s Aqualution™, a new high performance waterborne basecoat system. Designed to utilize today’s proven OEM technologies, Aqualution combines 66 specialized toners and pearls to provide outstanding color match and exceptional performance in an environmentally friendly package that meets future VOC requirements.

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