Welcome to Bimmerfest -- The #1 Online Community for BMW related information! Please enjoy the discussion forums below and share your experiences with the 200,000 current, new and past BMW owners. The forums are broken out by car model and into other special interest sections such as BMW European Delivery and a special forum to voice your questions to the many BMW dealers on the site to assist our members!

Please follow the links below to help get you started!

Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > F10 / F11 (2011 - Current)

F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

Reply
 
Thread Tools Display Modes
  #1  
Old 11-09-2011, 07:34 PM
yogi799 yogi799 is offline
Officially Welcomed to the 'Fest
Location: Ontario
 
Join Date: Sep 2008
Posts: 1,231
Mein Auto: '11 535i, '99 328i retd
For all those 550i owners who think they've got smthg under the hood...

Now that I've got your attention... and angry grim on your face and flame gun ready to go off.... . Enjoy!

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 (0.15) of a second for all 6,000+ horsepower (some believe 8,000 HP is more realistic - there are no dynomometers capable of measuring) of an NHRA Top Fuel dragster engine to reach the rear wheels.
Under full throttle, a dragster engine consumes 1-1/2 gallons of nitromethane 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 nitromethane, the flame front temperature measures 7,050 deg F. (Oxy-acetylene on "cut" is 6,300)
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 one 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, at Pomona , 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 instant.
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!
Attached Thumbnails
Click image for larger version

Name:	image001.jpg
Views:	77
Size:	96.1 KB
ID:	300564  
__________________
2011 535i F10 delivered
1999 328i E46 retired



LOGMYMPG sponsored by ckvideo.ca
Reply With Quote
Advertisement
  #2  
Old 11-09-2011, 08:25 PM
dunderhi's Avatar
dunderhi dunderhi is online now
0-60 in 4 secs or less!
Location: MD
 
Join Date: Dec 2006
Posts: 5,777
Mein Auto: '13 X5M, 650xi
When I was at the track last weekend, they held a Gambler's Race, or basically a handicap race. A Top Fuel dragster went against a regular car (I think a Charger) which had a 9 second headstart. The Dragster won! IIRC it ran a 4.94.

On the otherhand, the Charger won the round trip race hands down. The Charger drove itself back to run again, but the dragster needed a tow truck to bring it back.

BTW, the math in the article is incorrect, since the Corvette will transverse the quarter mile in 4.5 seconds and unless the dragster is repeating his world record run (not after sitting for 30 secs) the Corvette wins. The dragster may reach 200mph in 3 seconds, but it is still well behind the Corvette at that point.
__________________


2013 X5M ........ 2013 650xi ...... 2011 550xi (ret) 2011 335d (ret)
Reply With Quote
  #3  
Old 11-09-2011, 08:52 PM
yogi799 yogi799 is offline
Officially Welcomed to the 'Fest
Location: Ontario
 
Join Date: Sep 2008
Posts: 1,231
Mein Auto: '11 535i, '99 328i retd
That vette vs dragster scenario would have been a blast to watch. I so wish they could arrange to actually do this.
Reply With Quote
  #4  
Old 11-09-2011, 09:10 PM
solstice solstice is offline
Officially Welcomed to the 'Fest
Location: Seattle
 
Join Date: Aug 2010
Posts: 2,327
Mein Auto: 2015 F80 M3
And it's just an rwd...

Last edited by solstice; 11-09-2011 at 09:11 PM.
Reply With Quote
  #5  
Old 11-09-2011, 09:12 PM
PsychDoc1 PsychDoc1 is offline
Officially Welcomed to the 'Fest
Location: NYC
 
Join Date: Feb 2011
Posts: 1,061
Mein Auto: 535xi
Yeah, sure.

But how's the gas mileage, the room in the trunk, rear seat leg room, the stereo system, electrically folding mirrors, etc?

__________________
Prior
Acura TL, Lexus ES (2), Volvo S70 GLT, Volvo 850 Turbo, Lexus LS, M-B 300E, BMW 735i, Audi 5000
Reply With Quote
  #6  
Old 11-09-2011, 09:47 PM
dunderhi's Avatar
dunderhi dunderhi is online now
0-60 in 4 secs or less!
Location: MD
 
Join Date: Dec 2006
Posts: 5,777
Mein Auto: '13 X5M, 650xi
Quote:
Originally Posted by solstice View Post
And it's just an rwd...
And it will do just fine with some snow tires ...
__________________


2013 X5M ........ 2013 650xi ...... 2011 550xi (ret) 2011 335d (ret)
Reply With Quote
  #7  
Old 11-09-2011, 09:53 PM
dunderhi's Avatar
dunderhi dunderhi is online now
0-60 in 4 secs or less!
Location: MD
 
Join Date: Dec 2006
Posts: 5,777
Mein Auto: '13 X5M, 650xi
Quote:
Originally Posted by PsychDoc1 View Post
Yeah, sure.

But how's the gas mileage, the room in the trunk, rear seat leg room, the stereo system, electrically folding mirrors, etc?

Thanks for reminding me.

In my futile quest to reach a 12.4 secsond quarter mile time, I tried folding my mirrors prior to one run. As I accelerated down the track, they unfolded automatically.
__________________


2013 X5M ........ 2013 650xi ...... 2011 550xi (ret) 2011 335d (ret)
Reply With Quote
  #8  
Old 11-09-2011, 10:03 PM
yogi799 yogi799 is offline
Officially Welcomed to the 'Fest
Location: Ontario
 
Join Date: Sep 2008
Posts: 1,231
Mein Auto: '11 535i, '99 328i retd
Quote:
Originally Posted by solstice View Post
And it's just an rwd...
I knew I made a right choice
Reply With Quote
  #9  
Old 11-10-2011, 07:06 AM
car-fan's Avatar
car-fan car-fan is offline
Officially Welcomed to the 'Fest
Location: SoFla
 
Join Date: Jan 2010
Posts: 552
Mein Auto: 2012 650cic/ 2012 M3 ZCP
Quote:
Originally Posted by dunderhi View Post
Thanks for reminding me.

In my futile quest to reach a 12.4 secsond quarter mile time, I tried folding my mirrors prior to one run. As I accelerated down the track, they unfolded automatically.
LOL yeah they unfold @ about 25 mph
__________________
2012 650cic Space Gray/Vermillon Red/Blk.Top/Lux Seating/Heated Seats/Style 356/Apps/Prem. Sound(retired)
2012 M3 AW/FR NDH2/2MK/ZPP/ZCP/ZCW/752/6NR/+ all optionsexcept sunroof/OEM CF splitters/OEM CF mirror caps
2011 MINI CooperS BRGII/Lounge Green/Sport/Prem/Connect/Black Xenon/Black Conical Spokes/ACS springs/ACS exhaust/Alta Shorty
2012 X3 35i Titanium Silver/Black ZAP/ZPP/TECH/APPS/Breyton GTS/Continental Extreme DW (20's)
Reply With Quote
  #10  
Old 11-10-2011, 07:20 AM
eyesight1's Avatar
eyesight1 eyesight1 is offline
Officially Welcomed to the 'Fest
Location: Corning New York
 
Join Date: Oct 2010
Posts: 290
Mein Auto: 535i Xdrive +'01 Corvette
Awesome read! Really puts things into perspective.
Reply With Quote
  #11  
Old 11-10-2011, 07:38 AM
1985mb's Avatar
1985mb 1985mb is offline
N54
Location: Tri-state area
 
Join Date: Apr 2008
Posts: 3,413
Mein Auto: E60 535i M-sport
Quote:
Originally Posted by yogi799 View Post
For all those 550i owners who think they've got smthg under the hood...
The only misplaced braggadocio I've seen in this forum recently was from a 535i owner who thought he had something really quick and generally being a douche towards a new 528 owner
__________________
Current: E60 535i M-sport
Prev: E90 330i, E93 335i, W212 E350 Bluetec
Reply With Quote
  #12  
Old 11-10-2011, 07:50 AM
yogi799 yogi799 is offline
Officially Welcomed to the 'Fest
Location: Ontario
 
Join Date: Sep 2008
Posts: 1,231
Mein Auto: '11 535i, '99 328i retd
Quote:
Originally Posted by yogi799 View Post
A stock Dodge Hemi V8 engine cannot produce enough power to drive the dragster's supercharger.
Pick your best fact.

I loved that one,
That almost sounds BS!
Reply With Quote
  #13  
Old 11-10-2011, 08:31 AM
TOPVIEW's Avatar
TOPVIEW TOPVIEW is offline
Officially Welcomed to the 'Fest
Location: Toronto
 
Join Date: May 2011
Posts: 206
Mein Auto: 2011-AW 535i Cinimon Int
Man oh Man, the one thing all these posts cant describe is the shear rumble these beasts generate. The fact you can literally stand 10 feet away from them when the warm them up in the pits and then you get some drivers that rap the throttle in the pits and it is a blast to watch first timers jump out of thier shoes

Even in the stands, when 16,000 horsepower whip by you, it is unbeleivablely loud and violet

Have not been to a race for a couple of years, but going to head to Chicago next summer, one of the best tracks for races
__________________
RP
Toronto,Ontario
2011 535x-drive
Artic White
Cinnamon Interior
M-Appearence Package
Technology Package
Executive Package
20 inch 311 Wheels
20 inch Michelin Pilot Super Sports
255/35/20 / 285/30/20
Reply With Quote
Reply

Bookmarks


Forum Navigation
Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > F10 / F11 (2011 - Current)
Today's Posts Search
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



Forum Jump


All times are GMT -7. The time now is 04:38 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
© 2001-2011 performanceIX, Inc. All Rights Reserved .: guidelines .:. privacy .:. terms