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1. 02:27 PM - Re: Fw: Fw: Acceleration (Larry Matteo)
2. 07:46 PM - Re: Fw: Fw: Acceleration (Gary Vogt)
Message 1
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| Subject: | Re: Fw: Fw: Acceleration |
Seems to me , as usual, Ron has=C2-ALL the answers. He seems to have forg
otten, =0Athough, that the carrier is probably doing 20 knots or so into th
e wind of, =0Alet's say=C2-another 10 to 20 knots. SO now the accellerati
on is really 0 to=C2-80 or =0A90 knots in 300 feet. What's that compute t
o?=0AIt is still conceivable that the carrier launched plane is still at a
=C2-greater =0Aaccelleration (or 'g') but it is for a much shorter period
.=0A=C2-Larry Matteo=0Alarrymatteo@sbcglobal.net=0A"Nothing is so contagi
ous as enthusiasm." =0A=0A=0A=0A=0A________________________________=0AFrom:
David <goldpilot@AOL.COM>=0ATo: TeamGrumman-List Digest List <teamgrumman-
list-digest@matronics.com>=0ASent: Tue, February 14, 2012 2:45:15 AM=0ASubj
ect: TeamGrumman-List: Fw: Fw: Acceleration=0A=0A=0A=0A=0ADavid=0ASent via
Space-beam Phase Warp. =0A=0A-----Original message-----=0A=0AFrom: Ron Levy
<rblevy@mindspring.com>=0A>To: GOLDPILOT@aol.com=0A>Sent: Sat, Feb 11, 201
2 16:19:20 GMT+00:00=0A>Subject: RE: Fw: Acceleration=0A>=0A>=0A>The math i
s wrong.=C2- Zero to 300 mph in 4.5 seconds is only about 3 g=99s (
not =0A>=9Cover 4=9D), and zero to 200 mph in 660 ft is only ab
out 4.5 g=99s (not approaching =0A>8).=C2- Aircraft carrier catapul
ts accelerate from zero to about 120 knots (140 =0A>mph) in 300 feet
=93 that=99s about 4.5 g=99s.=C2- A long time ago, some car m
agazine did =0A>a side by side test of a top fuel dragster versus an F-14 a
t the catapult test =0A>facility at NAS Lakehurst =93 the F-14 won.
=0A>=C2-=0A>From:GOLDPILOT@aol.com [mailto:GOLDPILOT@aol.com] =0A>Sent: S
aturday, February 11, 2012 2:24 AM=0A>Subject: Fwd: Fw: Acceleration=0A>=C2
-=0A>=C2-=0A>=C2-=0A>=0A________________________________=0A=0A>>From:
l@sbcglobal.net=0A>>To: GOLDPILOT@aol.com=0A>>Sent: 2/9/2012 8:36:44 A.M.
Pacific Standard Time=0A>>Subj: Fw: Acceleration=0A>>=C2-=0A>>=C2-=0A>>
Thought you might find something of interest here...=0A>>=C2-=0A>>----- F
orwarded Message ----=0A>>From: Sent: Thu, February 9, 2012 7:17:03 AM=0A>>
Subject: Acceleration=0A>>For those who love numbers, engineers, speed frea
ks and those who think they =0A>>have gone too fast at one time or another.
=C2-This puts Corvette performance in =0A>>perspective.=C2- This articl
e mentions Lingenfelter twin turbo powered Z06.=C2-=C2-=0A>>>>Read this
thru slowly and try to comprehend the amount of force produced in just =0A
>>>>under 4 seconds!=C2- The last paragraph puts it all into perspective
!=0A>>>>There are no rockets or airplanes built by any government in the wo
rld that can =0A>>>>accelerate from a standing start as fast as a Top Fuel
Dragster or Funny =0A>>>>Car..and that includes any aircraft launc
hed by a catapult from an aircraft =0A>>>>carrier. Nothing can compare
..=0A>>>>=C2-=0A>>>>DEFINITION OF ACCELERATION=0A>>>>One top fuel d
ragster 500 cubic inch Hemi engine makes more horsepower than the =0A>>>>fi
rst 4 rows of stock cars at the Daytona 500.=0A>>>>It takes just 15/100ths
(0.15) of a second for all 6,000+ horsepower (some =0A>>>>believe 8,000 HP
is more realistic - there are no dynamometers capable of =0A>>>>measuring)
of an NHRA Top Fuel dragster engine to reach the rear wheels.=0A>>>>Under f
ull throttle, a dragster engine consumes 1-1/2 gallons of nitro methane =0A
>>>>per second; a fully loaded 747 consumes jet fuel at the same rate with
25% less =0A>>>>energy being produced.=0A>>>>A stock Dodge Hemi V8 engine c
annot produce enough power to drive the dragster's =0A>>>>supercharger.=0A>
>>>With 3,000 CFM of air being rammed in by the supercharger on overdrive,
the fuel =0A>>>>mixture is compressed into a near-solid form before ignitio
n.=0A>>>>Cylinders run on the verge of hydraulic lock at full throttle.=0A>
>>>At the stoichiometric (stoichiometry: methodology and technology by whic
h =0A>>>>quantities of reactants and products in chemical reactions are det
ermined) 1.7:1 =0A>>>>air/fuel mixture of nitro methane, the flame front te
mperature measures 7,050 =0A>>>>deg F.=C2- (Oxy-acetylene on "cut" is 6,3
00)=0A>>>>Nitro methane burns yellow.=C2- The spectacular white flame see
n above the stacks =0A>>>>at night is raw burning hydrogen, dissociated fro
m atmospheric water vapor by =0A>>>>the searing exhaust gases.=0A>>>>Dual m
agnetos supply 44 amps to each spark plug.=C2- This is the output of an a
rc =0A>>>>welder in each cylinder.=0A>>>>Spark plug electrodes are totally
consumed during one pass.=C2- After halfway, the =0A>>>>engine is dieseli
ng from compression, plus the glow of exhaust valves at 1,400 =0A>>>>deg F.
=C2- The engine can only be shut down by cutting the fuel flow.=0A>>>>If
spark momentarily fails early in the run, unburned nitro builds up in the
=0A>>>>affected cylinders and then explodes with sufficient force to blow c
ylinder =0A>>>>heads off the block in pieces or split the block in half.=0A
>>>>In order to exceed 300 mph in 4.5 seconds, dragsters must accelerate an
average =0A>>>>of over 4G's.=C2- In order to reach 200 mph well before h
alf-track, the launch =0A>>>>acceleration approaches 8G's.=0A>>>>Dragsters
reach over 300 miles per hour before you have completed reading this =0A>>>
>sentence.=0A>>>>Top fuel engines turn approximately 540 revolutions from l
ight to light!=C2- =0A>>>>Including the burnout, the engine must only sur
vive 900 revolutions under load.=0A>>>>The redline is actually quite high a
t 9,500 rpm.=0A>>>>Assuming all the equipment is paid off, the crew worked
for free, and for once =0A>>>>NOTHING BLOWS UP, each run costs an estimate
$1,000.00 per second.=0A>>>>The current top fuel dragster elapsed time reco
rd is 4.428 seconds for the =0A>>>>quarter mile (11/12/06, Tony Schumacher,
at Pomona , CA ).=C2- The top speed record =0A>>>>is 336.15 mph as measu
red over the last 66' of the run (05/25/05 Tony =0A>>>>Schumacher, at Hebro
n , OH ).=0A>>>>Putting all of this into perspective:=0A>>>>You are driving
the average $140,000 Lingenfelter 'twin-turbo' powered Corvette =0A>>>>Z06
.=C2- Over a mile up the road, a top fuel dragster is staged and ready to
launch =0A>>>>down a quarter mile strip as you pass.=C2- You have the ad
vantage of a flying =0A>>>>start.=C2- You run the 'Vette hard up through
the gears and blast across the =0A>>>>starting line and pass the dragster a
t an honest 200 mph.=C2- The 'tree' goes green =0A>>>>for both of you at
that instant.=0A>>>>The dragster launches and starts after you.=C2- You k
eep your foot down hard, but =0A>>>>you hear an incredibly brutal whine tha
t sears your eardrums and within 3 =0A>>>>seconds, the dragster catches and
passes you.=C2- He beats you to the finish line, =0A>>>>a quarter mile a
way from where you just passed him.=0A>>>>Think about it, from a standing s
tart, the dragster had spotted you 200 mph and =0A>>>>not only caught, but
nearly blasted you off the road when he passed you within a =0A>>>>mere 1,3
20 foot long race course.=0A>>>>...... and that my friend, is ACCELERATION!
=0A>>>>=C2-
Message 2
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| Subject: | Re: Fw: Fw: Acceleration |
I ignore Ron Levy. =C2-Show me the math. =C2-Show me the assumptions.
=C2-Show me a graph of dragster acceleration vs 'g's as a function of tim
e. =C2-Then make the comparison.=0A=0A=0A________________________________
=0A From: Larry Matteo <larrymatteo@sbcglobal.net>=0ATo: teamgrumman-list@m
atronics.com =0ASent: Tuesday, February 14, 2012 2:23 PM=0ASubject: Re: Tea
mGrumman-List: Fw: Fw: Acceleration=0A =0A=0ASeems to me , as usual, Ron ha
s=C2-ALL the answers. He seems to have forgotten, though, that the carrie
r is probably doing 20 knots or so into the wind of, let's say=C2-another
10 to 20 knots. SO now the accelleration is really 0 to=C2-80 or 90 knot
s in 300 feet. What's that compute to?=0AIt is still conceivable that the c
arrier launched plane is still at a=C2-greater accelleration (or 'g') but
it is for a much shorter period.=0A=C2-Larry Matteo=0Alarrymatteo@sbcglo
bal.net=0A"Nothing is so contagious as enthusiasm." =0A=0A=0A=0A=0A________
________________________=0A From: David <goldpilot@AOL.COM>=0ATo: TeamGrumm
an-List Digest List <teamgrumman-list-digest@matronics.com>=0ASent: Tue, Fe
bruary 14, 2012 2:45:15 AM=0ASubject: TeamGrumman-List: Fw: Fw: Acceleratio
n=0A=0A =0A=0A=0ADavid=0ASent via Space-beam Phase Warp. =0A=0A-----Origina
l message-----=0A=0AFrom: Ron Levy <rblevy@mindspring.com>=0A>To: GOLDPILOT
@aol.com=0A>Sent: Sat, Feb 11, 2012 16:19:20 GMT+00:00=0A>Subject: RE: Fw:
Acceleration=0A>=0A>=0A> =0A>The math is wrong.=C2- Zero to 300 mph in 4.
5 seconds is only about 3 g=99s (not =9Cover 4=9D), and z
ero to 200 mph in 660 ft is only about 4.5 g=99s (not approaching 8).
=C2- Aircraft carrier catapults accelerate from zero to about 120 knots (
140 mph) in 300 feet =93 that=99s about 4.5 g=99s.=C2-
A long time ago, some car magazine did a side by side test of a top fuel dr
agster versus an F-14 at the catapult test facility at NAS Lakehurst
=93 the F-14 won.=0A>=C2-=0A>From:GOLDPILOT@aol.com [mailto:GOLDPILOT@aol
.com] =0A>Sent: Saturday, February 11, 2012 2:24 AM=0A>Subject: Fwd: Fw: Ac
celeration=0A>=C2-=0A>=C2-=0A>=C2-=0A>=0A>>__________________________
______=0A>> =0A>>From: l@sbcglobal.net=0A>>To: GOLDPILOT@aol.com=0A>>Sent:
2/9/2012 8:36:44 A.M. Pacific Standard Time=0A>>Subj: Fw: Acceleration=0A>>
=C2-=0A>>=C2-=0A>>Thought you might find something of interest here...
=0A>>=C2-=0A>>----- Forwarded Message ----=0A>>From: Sent: Thu, February
9, 2012 7:17:03 AM=0A>>Subject: Acceleration=0A>>For those who love numbers
, engineers, speed freaks and those who think they have gone too fast at on
e time or another.=C2-This puts Corvette performance in perspective.=C2
- This article mentions Lingenfelter twin turbo powered Z06.=C2-=C2-
=0A>>>>Read this thru slowly and try to comprehend the amount of force prod
uced in just under 4 seconds!=C2- The last paragraph puts it all into per
spective !=0A>>>>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 Fue
l Dragster or Funny Car..and that includes any aircraft launched b
y a catapult from an aircraft carrier. Nothing can compare..=0A>>>
>=C2-=0A>>>>DEFINITION OF ACCELERATION=0A>>>>One top fuel dragster 500 cu
bic inch Hemi engine makes more horsepower than the first 4 rows of stock c
ars at the Daytona 500.=0A>>>>It takes just 15/100ths (0.15) of a second fo
r all 6,000+ horsepower (some believe 8,000 HP is more realistic - there ar
e no dynamometers capable of measuring) of an NHRA Top Fuel dragster engine
to reach the rear wheels.=0A>>>>Under full throttle, a dragster engine con
sumes 1-1/2 gallons of nitro methane per second; a fully loaded 747 consume
s jet fuel at the same rate with 25% less energy being produced.=0A>>>>A st
ock Dodge Hemi V8 engine cannot produce enough power to drive the dragster'
s supercharger.=0A>>>>With 3,000 CFM of air being rammed in by the supercha
rger on overdrive, the fuel mixture is compressed into a near-solid form be
fore ignition.=0A>>>>Cylinders run on the verge of hydraulic lock at full t
hrottle.=0A>>>>At the stoichiometric (stoichiometry: methodology and techno
logy by which quantities of reactants and products in chemical reactions ar
e determined) 1.7:1 air/fuel mixture of nitro methane, the flame front temp
erature measures 7,050 deg F.=C2- (Oxy-acetylene on "cut" is 6,300)=0A>>>
>Nitro methane burns yellow.=C2- The spectacular white flame seen above t
he stacks at night is raw burning hydrogen, dissociated from atmospheric wa
ter vapor by the searing exhaust gases.=0A>>>>Dual magnetos supply 44 amps
to each spark plug.=C2- This is the output of an arc welder in each cylin
der.=0A>>>>Spark plug electrodes are totally consumed during one pass.=C2
- After halfway, the engine is dieseling from compression, plus the glow
of exhaust valves at 1,400 deg F.=C2- The engine can only be shut down by
cutting the fuel flow.=0A>>>>If spark momentarily fails early in the run,
unburned nitro builds up in the affected cylinders and then explodes with s
ufficient force to blow cylinder heads off the block in pieces or split the
block in half.=0A>>>>In order to exceed 300 mph in 4.5 seconds, dragsters
must accelerate an average of over 4G's.=C2- In order to reach 200 mph we
ll before half-track, the launch acceleration approaches 8G's.=0A>>>>Dragst
ers reach over 300 miles per hour before you have completed reading this se
ntence.=0A>>>>Top fuel engines turn approximately 540 revolutions from ligh
t to light!=C2- Including the burnout, the engine must only survive 900 r
evolutions under load.=0A>>>>The redline is actually quite high at 9,500 rp
m.=0A>>>>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 sec
ond.=0A>>>>The current top fuel dragster elapsed time record is 4.428 secon
ds for the quarter mile (11/12/06, Tony Schumacher, at Pomona , CA ).=C2-
The top speed record is 336.15 mph as measured over the last 66' of the ru
n (05/25/05 Tony Schumacher, at Hebron , OH ).=0A>>>>Putting all of this in
to perspective:=0A>>>>You are driving the average $140,000 Lingenfelter 'tw
in-turbo' powered Corvette Z06.=C2- Over a mile up the road, a top fuel d
ragster is staged and ready to launch down a quarter mile strip as you pass
.=C2- You have the advantage of a flying start.=C2- You run the 'Vette
hard up through the gears and blast across the starting line and pass the d
ragster at an honest 200 mph.=C2- The 'tree' goes green for both of you a
t that instant.=0A>>>>The dragster launches and starts after you.=C2- You
keep your foot down hard, but you hear an incredibly brutal whine that sea
rs your eardrums and within 3 seconds, the dragster catches and passes you.
=C2- He beats you to the finish line, a quarter mile away from where you
just passed him.=0A>>>>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.=0A>>>>.
..... and that my friend, is ACCELERATION!=0A>>>>=C2-
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