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Author Topic: Electric tow hitch  (Read 492 times)
billy
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« on: August 07, 2012, 11:39:57 pm »

Take a look!

http://electrictowhitch.com/
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ron.dittmer
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« Reply #1 on: August 08, 2012, 08:05:41 am »

The main issue I have with it is the tongue weight goes from 20 pounds with a conventional 4-wheel-down method, to multiple thousands of pounds.  That will throw any class-C into an over weight condition.  I also would be very concerned making a sharp turn in the forward direction,  It seems the tow vehicle is too close to the motor home.  My Jeep Liberty is much farther from my PC's rear bumper than that thing, but when in a very sharp u-turn scenerio, the two vehicles get within inches of eachother.

Very interesting.  Thanks for sharing Billy.
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lghjr
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« Reply #2 on: August 08, 2012, 10:49:47 am »

Not only no but ---- no. And that's from three MH's (1C, 1A and 1B+) and several towed vehicles worth of experience (FWIW).

100% agree with Ron.
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billy
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« Reply #3 on: August 08, 2012, 11:02:29 am »

Hey, don't jump down my butt, I just saw it in motor home and passed it along.     pulling hair out pulling hair out
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ron.dittmer
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« Reply #4 on: August 08, 2012, 11:16:43 am »

Billy, It is natural to shoot the messenger.

I have a lot of bullet holes in me from my comments from how PC-USA could take a better picture, to fixing a flat tire yourself with it on the vehicle.

Welcome to my world. Cheers

Now watch your "Helpful Rating" drop.

PS:  I won't do that to you as I appreciate your post.
We lack perspective if we have nothing to compare against.
« Last Edit: August 08, 2012, 11:29:45 am by ron.dittmer » Logged

Ron Dittmer (wife Irene) 2007 Model 2350 Without A Slideout
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bigbadjc
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« Reply #5 on: August 08, 2012, 11:37:24 am »

Since I own a perfectly good tow setup I'm not in the market, but reading the FAQ's on the website reminded me of another physics concept - mechanical advantage using a lever arm.  The "stinger" on the tow setup functions as a lever and allows the weight on the RV rear end to be considerably less than half the weight of the vehicle.  They quoted 450 pounds (still high) for the Toyota Rave shown in their picture and mentioned that longer stinger lengths were available for heavier vehicles.  These things might, and I stress the term MIGHT, be worth trying if the cost about 1/3 what they do.  Anyway, it was worth looking at the website just to see yet another way to sking a cat.

Jerry
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lghjr
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« Reply #6 on: August 08, 2012, 03:13:16 pm »

Hey, don't jump down my butt, I just saw it in motor home and passed it along.     pulling hair out pulling hair out

Not jumping on you Billy, thanks for the info.  Dancing for sure on the premise.

The longer the lever the more rotational force that is going to be introduced into the hitch platform and attendant increase in the stretch of the rear bolts of the hitch.  Those bolts have theoretically been stretched by tightening/torquing to spec and we want to stretch them somemore? Also the hitch introduces some shear angles into the bolts that I am guessing were not allowed for in the original design.
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