Login
or
Register
Home
»
Trains Magazine
»
Forums
»
General Discussion
»
I can't drive 55
Edit post
Edit your reply below.
Post Body
Enter your post below.
[quote user="Modelcar"] <p><font size="4"></font></p><p><font size="4">....If we must reduce speed {an agreement possibly forthcoming}, to save fuel, going all the way down to 55 would not be necessary and desirable because of changes listed below.</font></p><p><font size="4">Since roughly 30 years ago when we did it before:</font></p><p><font size="4">Most automobiles and small SUV's and Crossovers {many trucks too}, have a power train that runs in overdrive ratio...{roughly 30% less rpm's}</font></p><p><font size="4">Advances in Cd's in the upper 0.20 range....{Less resistance slipping thru the air at speed}</font></p><p><font size="4">More advanced and efficient engines...{at any speed}</font></p><p><font size="4">Many cars and smaller SUV's with less weight.</font></p><p><font size="4">Better tires with less rolling resistance...{rolls easier down the highway}</font></p><p><font size="4">And I'm sure other differences from the cars back when....we were mandated to 55.</font></p><p><font size="4">Add to that a little common sense....and bingo, with just a little speed reduction...{my contention, down to 60}, we should see some real possitive results in fuel usage......My humble <span class="smiley">[2c]</span></font></p><p>[/quote]</p><p>It is true that we might not need to go down to 55 to save as much as we saved by doing it back in the 1970s because efficiency has gone up. But this assumes that the <u>need</u> to save gas was the same in the 1970s as it is today. What if the need has gone up? We might have to drop down to 45.</p>
Tags (Optional)
Tags are keywords that get attached to your post. They are used to categorize your submission and make it easier to search for. To add tags to your post type a tag into the box below and click the "Add Tag" button.
Add Tag
Update Reply
Join our Community!
Our community is
FREE
to join. To participate you must either login or register for an account.
Login »
Register »
Search the Community
Newsletter Sign-Up
By signing up you may also receive occasional reader surveys and special offers from Trains magazine.Please view our
privacy policy
More great sites from Kalmbach Media
Terms Of Use
|
Privacy Policy
|
Copyright Policy