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 > Mental arithmatic - towing economy

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stevelv

FullTimers at Last!

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Posted: 06/13/08 11:07am Link  |  Quote  |  Print  |  Notify Moderator

Just for fun try doing this in your head - I consider myself pretty good at doing math in my head but I had to resort to paper for this one.

If I am running without a toad I get 8mpg average. If I tow I get 7.5mpg.

How efficient would my toad have to be (mpg) in order to make it cheaper to drive the toad than tow it.

Can you do that in your head?


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MAJESTYPOINTERS

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Posted: 06/13/08 11:28am Link  |  Quote  |  Print  |  Notify Moderator

I am not good at math at all...on paper or in my head....but am i just to simple....the toad would have to get better than .5 MPG to make it worth driving..JMO

Peg Leg

Anderson, IN

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Posted: 06/13/08 11:37am Link  |  Quote  |  Print  |  Notify Moderator

A 1000 mile trip will use 125 gals without and 133 with the toad. So you'll have to be able to drive 1000 miles on 8 gals of gas or 125 mpg.

Now my brain hurts. Here it was just a nice rainy day, guess I'll go to a bar eat some good food, down a few, tell a few lies, have a good time and let the waitress do the math.


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CISCO8325

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Posted: 06/13/08 11:38am Link  |  Quote  |  Print  |  Notify Moderator

I loose count after a few beers.LOL

maddog348

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Posted: 06/13/08 11:42am Link  |  Quote  |  Print  |  Notify Moderator

(MajestyPointers)THATS JUST SILLY

* This post was edited 06/13/08 12:00pm by maddog348 *

skrams

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Posted: 06/13/08 11:56am Link  |  Quote  |  Print  |  Notify Moderator

Your MH is approximately 6% less less fuel efficient while towing. Therefore divide 8mpg by 6 and multiply by 94 and you get 125mpg as per the previous poster.

Come on, give me a hard one. I need a challange.


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Tom N

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Posted: 06/13/08 12:16pm Link  |  Quote  |  Print  |  Notify Moderator

You are using .5 gal to pull your toad 7.5 miles.

Or 1 gal pulls it 15 miles.

Thus, it would be more economical to drive your toad if it gets better than 15 mpg.

But, there are other financial factors involved such as maintenance on the toad.

-Tom


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MAJESTYPOINTERS

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Posted: 06/13/08 01:04pm Link  |  Quote  |  Print  |  Notify Moderator

maddog348 wrote:

(MajestyPointers)THATS JUST SILLY


I said I was simple

othertonka

Stockton, CA

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Posted: 06/13/08 03:08pm Link  |  Quote  |  Print  |  Notify Moderator

Peg Leg wrote:

A 1000 mile trip will use 125 gals without and 133 with the toad. So you'll have to be able to drive 1000 miles on 8 gals of gas or 125 mpg.

Now my brain hurts. Here it was just a nice rainy day, guess I'll go to a bar eat some good food, down a few, tell a few lies, have a good time and let the waitress do the math.


This math is 100% correct. You would have to have a TOAD that gets 125 MPG to break even. If your TOAD gets 30 MPG, it would use 33.3 gallons of fuel for that 1000 miles, you saved 8 gallons by not towing, it would cost you the pricc of 25.3 gallons of fuel to drive the TOAD for that 1000 miles. Not worth it in my book by any stretch of imagination. At todays price of gas, say $4.00 a gallon, it would cost you $101.20 just for the extra 25.3 gallons of fuel for the TOAD, taking in to account the 8 gallons you saved by NOT towing.

Tow it.


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stevelv

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Posted: 06/13/08 08:23pm Link  |  Quote  |  Print  |  Notify Moderator

Well I'm glad I'm not the only one that found it hard to do in my head.

It seemed such as easy question but I had a hard time working it out.

Well done to those that didn't cheat

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