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Old 03-06-2011, 05:50 PM   #15
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How much it will affect you is a very complex issue.. Yes, hooking a car behind your motor home adds a couple or few thousand pounds and that takes fuel.. However it also "Spoils' the air flow at the rear of the coach, making it somewhat more streamlined and thus improving your MPG's. In some cases the two effects may well balance giving you no difference. That is what happened to me.
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Old 03-06-2011, 10:22 PM   #16
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Mythbusters Episode 80 tested drafting behind big rigs.

MythBusters Episode 80: Big Rig Myths

You still cannot negate weight and rolling resistance. The CAT RV guide I've posted here tells you what to expect. The guide is not just about RV's.

http://www.wanderlodgeownersgroup.co...7&d=1210674307
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Old 03-07-2011, 08:29 AM   #17
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Go sit inside your TOAD while you are being pulled by the MH. Stick your hand (or head) outside the sunroof. Feel anything?
Did you try this experiment and what were the results?

Quote:
Yes, hooking a car behind your motor home adds a couple or few thousand pounds and that takes fuel.. However it also "Spoils' the air flow at the rear of the coach, making it somewhat more streamlined and thus improving your MPG's. In some cases the two effects may well balance giving you no difference.
This sounds impossible to me. But then again im not a physicist.
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Old 03-07-2011, 08:45 AM   #18
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With my TOAD I run about 7.2 mpg, without it I run about 9.1 mpg. My TOAD is a full size Hummer, wheels down, and weights in about 6000lbs. And, that's diesel mpg not gas. Ugh
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Old 03-07-2011, 01:41 PM   #19
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Come on now does it really matter....... Everyone is driving a huge box down the road with all of our creature comforts and we are worried about mileage LOL!!!!!!!!!!!! Not me and i am not RICH either LOL!!!!!!!!!!!!! I like the fact of my own bed and meals and bathroom not some hotel without knowing what has been in the nasty linen or shower or anything ..... The wife and i just enjoy our coach and the price to run it is worth every penny so if you all should know i get 600 wonderful miles to the gallon LOL!!!!!! i mean tank with time with my family and friends which is priceless!!!!!!!!!!!!!!!:danc e::laugh :
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Old 03-07-2011, 02:37 PM   #20
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Quote:
Originally Posted by Dave and Jaime View Post
I agree, except the comment about wind resistence. Yes, the MH is bigger in profile than the TOAD but that doesn't mean zero additional wind resistance. Go sit inside your TOAD while you are being pulled by the MH. Stick your hand (or head) outside the sunroof. Feel anything? That's wind resistance that is affecting the toad. No, it's not a parachute by any means but there is measurable resistance.

Also, in a cross wind the TOAD will add to the wind effect.
NASCAR calls that drafting, not drag
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