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Old 07-04-2016, 11:04 AM   #127
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SO why is there a gap there.. I just slide the jack all way over against a frame and tightened bolt, got a shorter bolt, and all was good.

hard to see all the issues with one tight picture.


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Originally Posted by KYAirstream View Post
That explains it--fills the gap between the frame and the WD jack. Thanks for the pic!
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Old 07-04-2016, 01:06 PM   #128
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70 mile an hour, really? Way too fast for us. Please travel safely for your safety and all those on the road near you.

I accept the fact you are free to choose the towing speeds that best fits your trailer, tow vehicle, hitch, and personal experience.

I'd appreciate the same courtesy.
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Old 07-04-2016, 01:36 PM   #129
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Hensley vs. ProPride

From my experience a properly loaded and set up AS with a Hensley design hitch system (ours happens to be ProPride) tows just fine at the highway speed limit.

We have no issues other than tire concerns at 70 or above. No we don't have any GYMs since the last blowout.

Had to back off quite a bit one day crossing Texas on the flat lands. I was keeping up with traffic instead of staying under the speed limit.

Our setup tows that smoothly all the time. No sway of any sort--wind, passing big rigs, or panic stops.


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Old 07-05-2016, 10:21 AM   #130
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One can be amazed by the difference in fuel consumption between 55 mph and 70 mph.

Towing at 55, the 2007 Mercedes ML320 CDI diesel and 2015 23D International Serenity (weighing 6,010 pounds camping ready) can get 17.5 mpg. At 70 that gets closer to 11 mpg.

I see in the 12.5 mpg area at 65 with the 2012 Ram 2500HD Cummins towing the 2014 Classic (9,200 pounds camping ready) and just over 14.5 to 15 at 55 mpg.

An engineering maxim is that to double the speed takes the cube of the power required with corresponding increase of fuel consumption.
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Old 07-05-2016, 10:28 AM   #131
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My opinion. Any properly set up tv and trailer combo should be able to travel at 70 to 75 mph. I don't, but some do. A properly set up rig at 70 is safer than a hodgepodge setup at 55.
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Old 07-05-2016, 02:46 PM   #132
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A correctly set up rig at 65 mph is safer than a correctly set up rig at 70 mph...


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Old 07-05-2016, 03:26 PM   #133
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Hensley vs. ProPride

Meh. The speed limit in California is 55. Some margin up to 70 or so is nice to have in case you have to put the hammer down for traffic, or Texas...😀

I monitor fuel economy and engine/drivetrain OBD parameters, so going easy makes more sense.

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Old 07-05-2016, 03:40 PM   #134
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Not to put a damper on any of the comments on speed, as I too in certain areas end up towing at about 70 max, the actual speed limits for towing a travel trailer are much lower than the posted speed limits in many, if not all States. In Texas, it's actually 60. In CA, it's 55.

Chuck
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Old 07-05-2016, 03:42 PM   #135
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Hensley vs. ProPride

I tow at 60 mph. Can go faster, but my first priority is to be able to stop quickly. 5 mph faster could the difference between an accident and a near accident. As others have said fuel economy drops significantly above 60 (points to more wear and tear on TV). I notice that some folks that switch to PPP style hitches tow much faster then. Takes away all the extra safety factor offered by those hitches, IMO, as they don't help with braking.
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Old 07-05-2016, 04:40 PM   #136
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Quote:
Originally Posted by silverlabs View Post
Not to put a damper on any of the comments on speed, as I too in certain areas end up towing at about 70 max, the actual speed limits for towing a travel trailer are much lower than the posted speed limits in many, if not all States. In Texas, it's actually 60. In CA, it's 55.

Chuck


Thanks. I was interested in that comment, and looked it up.

You are right, it *is* 65 in many states:

http://onlinetowingguide.com/pdfs/StateTowingLaws.pdf

I learn something new everyday here.
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Old 07-05-2016, 04:57 PM   #137
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Towing at a speed no greater than 65 mph is for safety and fuel economy.
If you are towing at 65 mph, everything else on the road is passing you, so space in front of your vehicle is already created.
If a vehicle passes you and moves back over too soon, space is created again because that vehicle is going faster and continually pulling away leaving space.
65 mph saves fuel and increases reaction time.
Also, always maintaining 65 gives you the 6 or more seconds safe following distance for reacting to an emergency.
As I am following another vehicle, I continually gauge my following distance and adjust my speed to get at least 6 seconds following distance.
When the car ahead passes some landmark like a driveway, road sign, or bridge I begin counting 1 one thousand, 2 one thousand, 3 one thousand, etc. until I reach the place where the car ahead of me passed and I started counting.
Basically, in 6 seconds you will be where that car ahead is now.
If that car crashes you have time to stop without crashing.
It takes on average 2 seconds to react- 1 second for your brain to intake and process the information and 1 second for your brain to tell your foot to touch the brake pedal.
My very best fuel economy towing was 13 mph at 61 mph. Fuel economy is downhill form there.
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Old 07-05-2016, 04:59 PM   #138
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Going slower and letting every other vehicle on the road pass you is so much easier, less stressful, relaxing, and enjoyable than riding the bumper of the car ahead waiting for a gap to pass.
Also, the occupants in every car that passes get to admire your beautiful trailer as they go by you...
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Old 07-05-2016, 05:01 PM   #139
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Just checked and max speed in Florida is 70 mph, never knew that.
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Old 07-05-2016, 05:19 PM   #140
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Quote:
Originally Posted by m.hony View Post
Towing at a speed no greater than 65 mph is for safety and fuel economy.
If you are towing at 65 mph, everything else on the road is passing you, so space in front of your vehicle is already created.
If a vehicle passes you and moves back over too soon, space is created again because that vehicle is going faster and continually pulling away leaving space.
65 mph saves fuel and increases reaction time.
Also, always maintaining 65 gives you the 6 or more seconds safe following distance for reacting to an emergency.
As I am following another vehicle, I continually gauge my following distance and adjust my speed to get at least 6 seconds following distance.
When the car ahead passes some landmark like a driveway, road sign, or bridge I begin counting 1 one thousand, 2 one thousand, 3 one thousand, etc. until I reach the place where the car ahead of me passed and I started counting.
Basically, in 6 seconds you will be where that car ahead is now.
If that car crashes you have time to stop without crashing.
It takes on average 2 seconds to react- 1 second for your brain to intake and process the information and 1 second for your brain to tell your foot to touch the brake pedal.
My very best fuel economy towing was 13 mph at 61 mph. Fuel economy is downhill form there.
Great post. Towing safety is not just about preventing sway. You also have to make sure you do not crash into other vehicles. Going fast does not help there (neither does having a top of the line hitch).

Here is a link that has some speed vs stopping distance numbers:

http://www.brake.org.uk/rsw/15-facts...cts/1255-speed

Going at 60 mph it takes you 240 ft to stop. Going at 70 mph it takes you 315 ft to stop. Those extra 75 ft could be critical.
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