BMW WilliamsF1 2005 F1 Car: FW27
By Motoring Channel Staff - 1/02/2005
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The BMW Williams FW27 Formula One Race Car

Mark Webber alongside the new FW27 vehicle

German Nick Heidfeld joins Aussie Mark Webber
as a driver for the BMW WilliamsF1 Team

Can the BMW Williams new car and drivers
take on the might of Ferrari in 2005?
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Yesterday in Valencia, Spain, the BMW WilliamsF1 team officially
launched its new F1 race car that will contest the 2005 FIA
Formula One World Championship season.
The WilliamsF1 BMW FW27 is said to be more reliable than
the car it replaces - the FW26 - and the top flight F1 team
also announced its second driver, Germany's Nick Heidfeld,
which is sure to please the die-hard German BMW fans.
This means that the BMW Williams team will comprise of two
young guns in the form of Australian Mark Webber and German
Nick Heidfeld.
Nick Heidfeld was understandably chuffed: "I really
wanted this job. Driving for the BMW WilliamsF1 Team is the
greatest opportunity of my career. I will do everything I
can to show that I deserve this place and I'm counting the
days to the first Grand Prix."
Nick has already contested 84 Grands Prix for Prost, Sauber
and Jordan, and his move to BMW Williams will give him, as
well as Webber, the best shot yet at the title.
It should make for a very competitive pairing, and the Australian
Grand Prix will be a great place for both drivers to show
the world not only their driving styles, but to show off the
new FW27 race car's high speed potential.
The FW27's design still incorporates the twin keel design,
but the two 'fangs' located up front on the nose have moved
closer together. The new design also reveals the effects of
the new rules.
To meet the new regulations, the front wing had to be lifted
50 millimetres and the rear wing moved 150 millimetres to
the front.
Furthermore, the diffuser height has been restricted while
the floor area in front of the rear wheels has gone. In addition,
the new BMW P84/5 engine will have to last two entire Grand
Prix weekends.
And on the topic of engine longevity, this will be crucial
factor this year, as the 2005 season will be the longest in
Formula One history.
Never before have there been 19 races in one season. After
Bahrain and China joined as two new GP venues last year, Turkey
is the latest addition to the Formula One calendar.
"This expansion means higher deployment costs on the
one hand", said BMW Motorsport Director Mario Theissen,
"but on the other hand it also presents an opportunity
to tap the economic power of new markets embracing Formula
One. That is extremely important, especially for a globally
active carmaker such as BMW."
The new regulations for 2005 that govern car design and componentry
require the front wing to be raised another 50mm, the rear
wing to be moved forwards 150mm and the diffuser height to
be reduced significantly and the floor in front of the rear
tyre to be cut away.
The BMW WilliamsF1 team reckons the changes initially resulted
in a loss of nearly 30% of the car's total downforce and the
challenge over the last couple of months has been to recover
as much of the lost downforce as possible.
WilliamsF1's Australian-born Technical Director, Sam Michael,
explains the key factors during the design process of the
FW27: "We have concentrated on the fundamentals, and
while respecting the new regulations, the approach of the
FW27 has been one of refining every area of the car aerodynamically
and mechanically.
"Every part on the car has been optimised to reduce
weight, reduce friction or increase stiffness - depending
what the individual targets were," said Michael.
"While reducing weight, a lot of attention has been
placed on reliability, in particular the gearbox.
"The FW27 gearbox has been running on the track since
November 2004, with no major problems, and any issues we had
with last season's gearbox have been resolved," the Australian
confirms.
Finally, Frank Williams, the well-financed team principal,
had some sobering words to say about the 2004 season, but
remained buoyant about 2005. "We want to move back into
the winning lane," said Frank Williams. "The mistakes
of 2004 must not happen again.
"We must implement the new regulations to our best advantage
and be completely with it when it comes down to it. I believe
we have the strength to grow with the appeal of the new challenges.
Every single person in the team is brimming with ambition
and motivation," stated the influential team principal.
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Interesting facts about the Williams
BMW FW27 F1 Race Car
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250,000 working hours are needed for the design of the
chassis.
A further 250,000 hours are required for its manufacture.
It takes two days to build an FW27 from a bare chassis
to a fully rolling car.
Approximately 4,500 drawings have been generated by
WilliamsF1 in the initial design of the FW27, with a
further 4,000 expected for developments during the season.
The FW27 car is the lightest car produced to date by
WilliamsF1 at the Grove factory. Even with the restriction
on regulations, the ballast level has increased over
that carried in 2004. When ballasted up to meet the
FIA weight limit, the FW27 weighs 600kg.
The top speed of the FW27 is expected to be approximately
375km/h. It will only see this speed at Monza in Italy.
The lowest top speed the FW27 will reach is 290 km/h
at Monte Carlo, where gearbox ratios are specially selected
for the tight and twisty street circuit.
Although Formula One regulations continue to restrict
aerodynamic development, the FW27 generates enough downforce
to drive upside down through the tunnel at Monaco.
The BMW engine consists of approximately 5,000 individual
parts, including 1,000 different ones.
It takes around 100 working hours to assemble the BMW
engine.
At an average race distance of 300 kilometres, the BMW
engine experiences around eight million ignitions per
Grand Prix (or 800,000 ignition processes per cylinder).
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