Subject: ACCELERATION DEFINED
There are no rockets or airplanes built by any government in the world
> > that can accelerate from a standing start as fast as a Top Fuel
> > Dragster or Funny Car!
> >
> > DEFINITION OF ACCELERATION
> >
> > One top fuel dragster 500 cubic inch Hemi engine makes more horsepower
> > than the first 4 rows of stock cars at the Daytona 500.
> >
> > It takes just 15/100ths of a second for all 6,000+ horsepower of an
> > NHRA Top Fuel dragster engine to reach the rear wheels.
> >
> > Under full throttle, a dragster engine consumes 1-1/2 gallons of nitro
> > methane per second; a fully loaded 747 consumes jet fuel at the same
> > rate with 25% less energy being produced.
> >
> > A stock Dodge Hemi V8 engine cannot produce enough power to drive the
> > dragster's supercharger.
> >
> > With 3,000 CFM of air being rammed in by the supercharger on
> > overdrive, the fuel mixture is compressed into a near-solid form
> > before ignition.
> >
> > Cylinders run on the verge of hydraulic lock at full throttle.
> >
> > At the stoichiometric (stoichiometry: methodology and technology by
> > which quantities of reactants and products in chemical reactions are
> > determined) 1.7:1 air/fuel mixture of nitro methane, the flame front
> > temperature measures 7,050 deg F.
> >
> > Nitro methane burns yellow... The spectacular white flame seen above
> > the stacks at night is raw burning hydrogen, dissociated from
> > atmospheric water vapor by the searing exhaust gases.
> >
> > Dual magnetos supply 44 amps to each spark plug. This is the output of
> > an arc welder in each cylinder.
> >
> > Spark plug electrodes are totally consumed during a pass. After
> > halfway, the engine is dieseling from compression, plus the glow of
> > exhaust valves at 1,400 deg F. The engine can only be shut down by
> > cutting the fuel flow.
> >
> > If spark momentarily fails early in the run, unburned nitro builds up
> > in the affected cylinders and then explodes with sufficient force to
> > blow cylinder heads off the block in pieces or split the block in
> > half.
> >
> > In order to exceed 300 mph in 4. 5 seconds, dragsters must accelerate
> > an average of over 4G's. In order to reach 200 mph (well before
> > half-track), the launch acceleration approaches 8G's.
> >
> > Dragsters reach over 300 miles per hour before you have completed
> > reading this sentence.
> >
> > Top fuel engines turn approximately 540 revolutions from light to
> > light! Including the burnout, the engine must only survive 900
> > revolutions under load.
> >
> > The redline is actually quite high at 9,500 rpm.
> >
> > Assuming all the equipment is paid off, the crew worked for free, and
> > for once NOTHING BLOWS UP, each run costs an estimate $1,000.00 per
> > second.
> >
> > The current top fuel dragster elapsed time record is 4.428 seconds for
> > the quarter mile (11/12/06, Tony Schumacher, atPomona , CA ). The top
> > speed record is 336.15 mph as measured over the last 66' of the run
> > (05/25/05 Tony Schumacher, at Hebron , OH ).
> >
> > Putting all of this into perspective:
> >
> > You are driving the average $140,000 Lingenfelter 'twin-turbo' powered
> > Corvette Z06. Over a mile up the road, a top fuel dragster is staged
> > and ready to launch down a quarter mile strip as you pass. You have
> > the advantage of a flying start. You run the 'Vette hard up through
> > the gears and blast across the starting line and pass the dragster at
> > an honest 200 mph. The 'tree' goes green for both of you at that
> > moment.
> >
> > The dragster launches and starts after you. You keep your foot down
> > hard, but you hear an incredibly brutal whine that sears your eardrums
> > and within 3 seconds, the dragster catches and passes you. He beats
> > you to the finish line, a quarter mile away from where you just passed
> > him.
> >
> > Think about it, from a standing start, the dragster had spotted you
> > 200 mph and not only caught, but nearly blasted you off the road when
> > he passed you within a mere 1,320 foot long race course.
> >
> > ...... and that my friend, is ACCELERATION!
> >
--Forwarded Message Attachment--
From: wiams@bresnan.net
Date: Mon, 19 Jul 2010 08:03:05 -0600
Subject: Fwd: ACCELERATION DEFINED
To:
> > > There are no rockets or airplanes built by any government in the world>
> that can accelerate from a standing start as fast as a Top Fuel> > Dragster
or Funny Car!> > > > DEFINITION OF ACCELERATION> > > > One top fuel dragster
500 cubic inch Hemi engine makes more horsepower> > than the first 4 rows of
stock cars at the Daytona 500.> > > > It takes just 15/100ths of a second for
all 6,000+ horsepower of an> > NHRA Top Fuel dragster engine to reach the rear
wheels.> > > > Under full throttle, a dragster engine consumes 1-1/2 gallons
of nitro> > methane per second; a fully loaded 747 consumes jet fuel at the
same> > rate with 25% less energy being produced.> > > > A stock Dodge Hemi V8
engine cannot produce enough power to drive the> > dragster's supercharger.> >
> > With 3,000 CFM of air being rammed in by the supercharger on> > overdrive,
the fuel mixture is compressed into a near-solid form> > before ignition.> > >
> Cylinders run on the verge of hydraulic lock at full throttle.> > > > At the
stoichiometric (stoichiometry: methodology and technology by> > which
quantities of reactants and products in chemical reactions are> > determined)
1.7:1 air/fuel mixture of nitro methane, the flame front> > temperature
measures 7,050 deg F.> > > > Nitro methane burns yellow... The spectacular
white flame seen above> > the stacks at night is raw burning hydrogen,
dissociated from> > atmospheric water vapor by the searing exhaust gases.> > >
> Dual magnetos supply 44 amps to each spark plug. This is the output of> > an
arc welder in each cylinder.> > > > Spark plug electrodes are totally consumed
during a pass. After> > halfway, the engine is dieseling from compression,
plus the glow of> > exhaust valves at 1,400 deg F. The engine can only be shut
down by> > cutting the fuel flow.> > > > If spark momentarily fails early in
the run, unburned nitro builds up> > in the affected cylinders and then
explodes with sufficient force to> > blow cylinder heads off the block in
pieces or split the block in> > half.> > > > In order to exceed 300 mph in 4.
5 seconds, dragsters must accelerate> > an average of over 4G's. In order to
reach 200 mph (well before> > half-track), the launch acceleration approaches
8G's.> > > > Dragsters reach over 300 miles per hour before you have
completed> > reading this sentence.> > > > Top fuel engines turn approximately
540 revolutions from light to> > light! Including the burnout, the engine must
only survive 900> > revolutions under load.> > > > The redline is actually
quite high at 9,500 rpm.> > > > Assuming all the equipment is paid off, the
crew worked for free, and> > for once NOTHING BLOWS UP, each run costs an
estimate $1,000.00 per> > second.> > > > The current top fuel dragster elapsed
time record is 4.428 seconds for> > the quarter mile (11/12/06, Tony
Schumacher, atPomona , CA ). The top> > speed record is 336.15 mph as measured
over the last 66' of the run> > (05/25/05 Tony Schumacher, at Hebron , OH ).>
> > > Putting all of this into perspective:> > > > You are driving the average
$140,000 Lingenfelter 'twin-turbo' powered> > Corvette Z06. Over a mile up the
road, a top fuel dragster is staged> > and ready to launch down a quarter mile
strip as you pass. You have> > the advantage of a flying start. You run the
'Vette hard up through> > the gears and blast across the starting line and
pass the dragster at> > an honest 200 mph. The 'tree' goes green for both of
you at that> > moment.> > > > The dragster launches and starts after you. You
keep your foot down> > hard, but you hear an incredibly brutal whine that
sears your eardrums> > and within 3 seconds, the dragster catches and passes
you. He beats> > you to the finish line, a quarter mile away from where you
just passed> > him.> > > > Think about it, from a standing start, the dragster
had spotted you> > 200 mph and not only caught, but nearly blasted you off the
road when> > he passed you within a mere 1,320 foot long race course.> > > >
...... and that my friend, is ACCELERATION!> >
[demime 1.01d removed an attachment of type image/jpeg which had a name of
dragster.jpg]
_______________________________________________
Tigers@autox.team.net
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|