The Vesco machine is classified by the SCTA and the FIA as a turbine
car
with a weight designation over 2201 pounds which puts it in class
III/T.
Essentially, this is an unlimited "wheel-driven" class in
weight, power,
and body shape requiring only a minimum of four wheels and an
adherence
to the rules of safety and physics.
The "Turbinator," which weighs less than a full-sized
pick-up, is 31
feet long and powered by a Lycoming T55 L11 gas turbine from a Chinook
helicopter. 3800hp from the engine output shaft is fed to the four
drive
wheels by toothed belts via 2:1 reduction gears. Tires are
experimental items that will cost nearly $8 per second for the required two-way run
totaling about 140 seconds.
The engine breaths 32 pounds of air per second when running at speed
(a
cubic foot weighs only about .070 pounds). That's over 450 cubic feet
per second. It inhales the volume of an average American home every
three seconds.
Although capable of burning a half-pound of Jet A kerosene per
horsepower/hour, Turbinator will burn less than 5 gallons per run.
Tire
restraints allow approximately 60% power.
The course for the FIA World Record has been dragged smooth in a
hundred
yard wide stripe that stretches for approximately 12 miles. Two black
stripes, arrow-straight, run parallel for that duration. From the
pits,
we can see perhaps 5 pairs of red markers that straddle the twin
stripes
and measure mile intervals. One end is an inconsequential dot five
miles
to the right and the other, far to the left, is nearly unseeable.
Between these two extremes, there are the "timed miles."
On race-day, I ride in the truck with the parachute recovery team to
the
start line of the FIA long course. Don, seemingly blasé with the
tension
gets squeezed into the cockpit and the crew buttons the canopy. We
drive
down the ten-mile course to our assigned mid-point spot and wait for
the
radio call.
The "Course Clear" and "Car On The Course" calls
come from the officials
and Vesco spools up and is gone. Five miles away, we see the car long
before we can hear it since it rooster-tails a long plume of salt from
its four drive-wheels. The chutes pop and the car decelerates another
two miles as we race to the end point. The crew assumes their
preordained positions and "Turbinator" is quickly loaded
onto the
trailer while the official clicks his stopwatch. The clock starts when
the car comes to a stop. FIA time is a precious and non-renewable
resource.
I stay out of the way while Don walks around joking with the crew and
the hangers-on. A crewmember yells out the remaining time every few
minutes while we wait for the time slip. The radio crackles with the
news...one way---he's 20 mph above the existing wheel-driven record.
Don is calm as the crew works feverishly. The tires are fine, the car
is
refueled with another few gallons of Jet-A, and the cameras are
refilled
with fresh videotape. Don puts his Nomex back on and gets back in the
car.
We, in the parachute car, didn't get to see the launch for the first
run
but we get to see this one up-close. The turbine is spooled up, the
car
whines like a demon and accelerates towards the horizon.
The car recedes in the bright white distance like Nature is racking a
variable focal-length lens. One instant "Turbinator" is with
us, and 3
seconds later, it's a quarter mile away and moving at over 300mph.
Vesco passes the flying mile giving him average record run of 458.440
breaking the previous record by 40mph. This is a HUGE chunk of time at
Bonneville.
We race to the end...a long drive of 12 miles to a crowd of ecstatic
Vesco family members and the calm and collected Don. The family
unfurls
a pre-made banner celebrating the new FIA record speed, the new record
numbers added trackside in black tape for the photo session next to
the
hot, creaking car.
Don deflated the left-rear tire while entering the speed traps but his
superb reaction times allow him to keep the car on course and upright.
Men have been killed here due to less equipment failure than this, but
Don is nonplussed.
The pressure is off at that point. Don wants to change tires and go
for
500mph but Rick, the Consummate Organizer, knows that this new record
will attract sponsors for next year and perhaps get the enterprise off
of the Vesco checkbook.
Vesco's plans for next year include modifying the car to increase the
available airflow to combat heat build-up and add combustion air.
There is a bumper sticker seen at Bonneville that says "Time Only
Counts Between The Lights." It's true.
500mph is certain to fall. And TeamVesco will be the ones that do it.
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