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by Abunai from Clermont, FL

Last Post 8 days, 20 hours Ago


The age old debate on if 55MPH is a good idea for the reasons suggested.  Fuel savings and safer roads are the top given reasons.

The debate for it is defended using the issue of drag.  The resistance of your car as it travels and the amount of it that is reduced thus saving fuel.  I say HOG WASH! If you want to discuss drag, then we should also discuss inertia of motion.  The more momentum your car has, the less fuel required to maintain that speed on an even surface. But saving that for another day. 

Speed is not what burns fuel, its Revolutions of your engine measured in minutes (RPM)  Today's cars are designed and transmissions geared to be turning about 1500 to 1700 RPMs at 65MPH.  My Durango and the wife's Lexis at 55MPH has not gone into its tallest gear yet, and actually doing over 2000 RPMs at that speed.  At 65MPH the overdrive gear had kicked in and we are back to well below 2000RPMs.

If we REALLY were trying to save fuel, then we would be mandating taller gears by American cars.  We already have vehicles that actually drop half its cylinders on the freeway saving half the fuel it would burn. 

Food for thought (made me laugh and think at the same time)  Heard on the radio the comment, " I don't hear anyone demanding the airlines drop speeds of aircraft to only 300MPH."   Hmmmmm...  Maybe we should tax Water recreational craft and all terrain vehicles not used in a work capacity then.

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Member Comments Total Comments: 22
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ADeltonian read my blog view my photos
Jul 10, 2008 | 1:28 PM

Beyond BAD !!!

Talk about road ragers who will get out of hand. They already flip out on people who go slow, think about when they also have to go slower too.

Mater01 read my blog view my photos
Jul 10, 2008 | 1:40 PM

Apparently the world likes it faster! No over time to pay for traveling professional people, the media would be late getting the story, and stores don't get as much delivered causing stocked things questionable for back orders! They really hate dealing with back orders don't you know!

RNC08 read my blog view my photos
Jul 10, 2008 | 3:12 PM

You do have a solid point traveling at 70 is almost identical to traveling at 55 in most cars and with a tall gear pattern , large tires and a well tunned engine it is possible to get better MPG at 70 than at 55 (the blue car that I have pictured from time to time makes its best MPG at exactly 71 mph ) ...what wastes the most gas is speeding up and slowing down , jackrabbiting up to speed rushing up on other cars and having to break back down is far worse than cruising at a higher rate of speed in the first place.

Did you know that America is gaining 2% per year in fuel efficiency ? Mostly we are adding people/miles per year so it goes unnoticed but it is true !

YBSRobin read my blog
Jul 10, 2008 | 4:15 PM

I would think driving 55 would save a little on gas mileage. Maybe doing so over a period of time, will save some money. I own a SUV, and for some reason, since I have slowed down a little (ok, I admit, more due to age than anything else...LOL) I now am getting 16 miles to the gallon instead of the average 12-14.. However, I am religious about getting oil changes done on time, so that may be the key. But on the flip side of things, I do think more people should drive around 55 instead of 70+, especially those who are getting up there in age. For example a story I can share is driving around with my 88 year old Grandfather before he passed away. I dearly loved the man, however when he went over 55, it was like riding a roller coaster and even though his eyesight was not the greatest, he would not let anyone else drive him around. By the time we got across town, even if it were 15 minutes away, I was literally shaking and needed valium..lol. The crazy part is, I have seen more road rage from older people for the last couple of years and seeing them flip the bird, well let's just say that leaves me cracking up so badly that I have no choice but to slow down while laughing. I would like to see at least more people use the rule of thumb that if you're going to drive slower than others, stay in the right hand lane on the highway.

bchsideAV read my blog
Jul 10, 2008 | 4:30 PM

It would cost me more, I drive a 07 Chevy Avalanche and according to my instant MPG I get better MPG at 81 than I do 55. This truck drops to a 4cyl at cruising speed. But with the traffic on FL Hwys I never get the chance to do that.

Ericjhach read my blog view my photos
Jul 10, 2008 | 6:24 PM

A little thought for all;
MPH or miles per hour, 55 mph means you will go 55 miles in 1 hour
So if you do 60 mph which means you will go 60 miles in 1 hour, would you not get to your destination faster and thus save fuel due to the less time to travel to someplace.

Ericjhach read my blog view my photos
Jul 10, 2008 | 6:25 PM

Or would you burn the same ammount.

TavaresJim read my blog view my photos
Jul 10, 2008 | 8:22 PM

We are already cutting back our fuel useage. We are driving less. People are dumping their big SUVs in favor of more economical cars, myself included. I don't think the American public would ever stand for 55MPH again. And why should we? Every swinging dick in DC flys charter. You know how much fuel that uses? Not to mention the "carbon footprint" that has Uncle Al Gore so worried. Not worried enough for him to give up his plane though.

Jules420 view my photos
Jul 11, 2008 | 3:45 AM

Great its hard enough to find someone in Central FL that will actually drive the speed limit on the highway at 65 or 70. How slow will people drive is the limits only 55? If you cant afford to drive 65 or 70 MPH thats fine, get in the right lane and let those of us who have to get somewhere pass.

sipedo read my blog view my photos
Jul 11, 2008 | 7:26 AM

The 55 MPH didn't work before. People still drove 70 plus. Some will slow down, but most won't. It won't work.

dks75 read my blog
Jul 11, 2008 | 8:55 AM

RNC08: thats pretty much the sweet spot in my v6 also. If it wasn't for the resonated intake system my car wouldn't make any real power at lower rpms.

I don't know if I really like the v8's that cutoff to me it's a real inefficient system. to much rotational mass for a 4 cylinder IMO. Although I don't think they are totally bad it's a great step forward in control systems :O)

Bruno_da_magnificent read my blog
Jul 11, 2008 | 1:20 PM

You guys are so wrong. There is not way a big SUV will get better mileage at 81 than 55. Just outright nonesense. It's just that Americans are such gluttons that we'll make any excuse to explain our 'waste'. If anything they should bring back 55. In fcat most of I-4 is already 55 and downtown 50. Anyone going over 65 should be ticketed, Period. And in fact if you drive a huge v-8 SUV they should make the speed limit 45 for you guys. You waste twice the gas as cars.

cheesyfingers read my blog
Jul 11, 2008 | 3:24 PM

hey,
read your posts on the freedom of speech blog and i just have to say that you are mt hero.
you shut her up.

Hieronymus read my blog view my photos
Jul 11, 2008 | 3:25 PM

There's no question 55 is more fuel efficient for large vehicles such as vans and SUVs (not true for sports cars but that's another issue).

However, a government mandate to lower the speed limit is the completely wrong approach to address this issue. Education of people and a sense of accountability would go further.

Charing an impact fee for mammoth SUVs would actually make more sense. Then people have the "right" to waste fuel if they want... but they have a sense of having to PAY for it.

thewizard read my blog view my photos
Jul 11, 2008 | 6:48 PM

OK, guys - let's be very clear here:

The 55 mph speed limit has NOTHING to do with saving gas. We aren't having a shortage of gas, it's just expensive. This is going to have zero effect on that. Even at its optimum, this wouldn't reduce our consumption by 1% - do you care if gas goes down $3.96 from $4.00 if it takes you two more hours to drive out of state?

And remember - the minimum speed is STILL 40mph, meaning that, if you believe this, then you're allowed to drive 55 mph on the highway legally.

What this is, my friends, is a method of increasing revenues to the states by letting cops write more tickets. Like 'Click it or Ticket,' this gets cops bringing in money, rather than passing an unpopular tax increase or, heaven forbid, cutting down on the services that the state provides for free.

Don't be fooled and don't fall for this - this is a tax like any other, but called by a different name, and enforced by cops with guns.

pLOp25 read my blog
Jul 11, 2008 | 7:43 PM

Guess what!!! We did that in the 70's to save fuel and lower gas prices. Look at how much it helped.

BrendaG read my blog view my photos
Jul 11, 2008 | 10:30 PM

Abunai, do me a favor and email RoadHog! =)

jiminix
Jul 12, 2008 | 11:23 AM

I guess most of you are too young to remember that we had a national speed limit of 55 back during the gas crisis in Nixon's administration. States that refused to lower the speed limit lost their federal highway money.

Yes, it does save gas, reduces the demand, which causes the price to go down.

And it has the added benefit of saving lives - something like 1000 lives a year for every 1 mph of reduction. I don't remember the exact number, but it's substantial.

Of course, back then even Republicans were concerned about the nation's interests, not just their own self-interest. We don't have Republicans like that anymore, and damn few Democrats.

YBSRobin read my blog
Jul 12, 2008 | 9:38 PM

Abunai, I haven't heard from you lately, and I have to admit, I was becoming a little worried. I truly hope everything is ok with you and your family.

Abunai read my blog view my photos
Jul 15, 2008 | 8:26 AM

I need roadhogs mail!

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Abunai

Twenty plus year disabled military veteran with multiple tours with Special Warfare in the Gulf. Stay at Home Dad, supporting a wife and her Phd,MBA career in Physics. Avid Martial Artists and NASCAR fan. Truth/Perspective/Context
... critical to being informed rather than ignorant! www.abunaiblog.com

Member Since: 10/5/2006