Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help




Go Back   PeachParts Mercedes-Benz Forum > General Discussions > Off-Topic Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 05-27-2009, 10:36 AM
lutzTD's Avatar
Registered User
 
Join Date: Oct 2006
Location: Lutz, Florida (N of Tampa)
Posts: 2,458
SLR upgrade anyone?

have to have one to get the new one. looks like it was made for the showroom. would be cool if I had unlimited fundage

http://autos.yahoo.com/newcars/future_cars/mercedes_benz_slr_stirling_moss_2010.html
__________________

1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)
Reply With Quote
  #2  
Old 05-27-2009, 10:45 AM
Registered Hack
 
Join Date: Mar 2008
Posts: 4,612
youknow what I don't understand about these sports cars is:

Quote:
So equipped, the SLR squirts from a stop to 60 mph in about 3.2 seconds, with an unrestricted top speed of 217 mph. Of course, a driver shouldn't expect more than about 12 mpg traveling at a snail-like 75 mph.
why is the mpg so terrible even at cruising? Its made of carbon fiber and has a lower cD than any car on the road? Sure its got a big displacement, but once you're at cruising speed... what force is requiring that much fuel?
__________________

Reply With Quote
  #3  
Old 05-27-2009, 10:49 AM
lutzTD's Avatar
Registered User
 
Join Date: Oct 2006
Location: Lutz, Florida (N of Tampa)
Posts: 2,458
Quote:
Originally Posted by jt20 View Post
youknow what I don't understand about these sports cars is:



why is the mpg so terrible even at cruising? Its made of carbon fiber and has a lower cD than any car on the road? Sure its got a big displacement, but once you're at cruising speed... what force is requiring that much fuel?

because they still have the same displacement and HP, whether it is used or wasted. Now if they wanted to cut out cylinders it would be better, but adds a lot of complication to what is essentially a race car motor
__________________

1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)
Reply With Quote
  #4  
Old 05-27-2009, 10:57 AM
Registered Hack
 
Join Date: Mar 2008
Posts: 4,612
thats where the word 'HP' gets confusing. HP is the ability to do work in a given amount of time, correct?

So if you're burning twice the fuel of a vehicle with the same weight doing the same speed, isn't the car improperly geared?

If you're you're using 400ft-lb of torque when you only need 150 to keep speed, aren't you over-geared?

Of course, they didn't make this car to save gas, and its designed as a ' speedster', but its just seems ridiculous that with all the technology and designing that goes into a million dollar automobile that it still gets 12 mpg cruising.
__________________

Reply With Quote
  #5  
Old 05-27-2009, 11:00 AM
lutzTD's Avatar
Registered User
 
Join Date: Oct 2006
Location: Lutz, Florida (N of Tampa)
Posts: 2,458
Quote:
Originally Posted by jt20 View Post
thats where the word 'HP' gets confusing. HP is the ability to do work in a given amount of time, correct?

So if you're burning twice the fuel of a vehicle with the same weight doing the same speed, isn't the car improperly geared?

If you're you're using 400ft-lb of torque when you only need 150 to keep speed, aren't you over-geared?

Of course, they didn't make this car to save gas, and its designed as a ' speedster', but its just seems ridiculous that with all the technology and designing that goes into a million dollar automobile that it still gets 12 mpg cruising.

problem is you cant take a 600HP motor and get 40HP out of it when you want only 40HP. maybe you could run in high gear at 70 and get better, but the HP curve may be set for high RPMs and may not make the 40HP at 1200 RPM without doing damage or loading up the motor with unburned fuel.
__________________

1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)
Reply With Quote
  #6  
Old 05-27-2009, 11:08 AM
Registered Hack
 
Join Date: Mar 2008
Posts: 4,612
that makes sense.

Like some cars have the ability to 'turn off' cylinders, or Honda's V-tech design that allows the engine to breathe differently depending on the situation.

This car is designed for 'on demand' torque and acceleration throughout its speed range and is always running on a steep part of its power band.

thanks
__________________

Reply With Quote
  #7  
Old 05-27-2009, 11:25 AM
Fulcrum525's Avatar
Sing Blue Silver
 
Join Date: May 2008
Location: CT
Posts: 2,091
Expected price $1,000,000.....owners probably aren't going to be too concernced about gas mileage when they send their $120,000 a year personal assistant to go fill it up at their personal gargage located gas pump inside their $10,000,000 dollar house...
__________________
1982 300GD Carmine Red (DB3535) Cabriolet FOR SALE
1990 300SEL Smoke Silver (Parting out)
1991 350SDL Blackberry Metallic (481)

"The thing is Bob, its not that I'm lazy...its that I just don't care."
Reply With Quote
Reply

Bookmarks

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
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 01:10 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page