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28 ft TT is really 32.5' Too long for an HDPP F150?

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Old 01-03-2019, 09:50 AM
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Originally Posted by F175

Continuing that logic, a Semi hauling an 80k trailer is a God Blessed Miracle!
There is still a limit for sail area for an F150 though, the reason for my original post. I’ll bet it is around 32’ of trailer (with a Hensley or Propride) before compromising safety.
It's NOT about the weight of the trailer, never has been, it's the length! That has been and always will be the point I am trying to make. Think about this really hard. An HDPP is 800 pounds more GVWR than the same NON HDPP. 7850 vs 7050 GVWR. Just because it can handle 800 more pounds of weight does NOT mean it can handle a longer trailer! A heavier one, sure, there are plenty of 28-30 foot trailers that weigh a whole lot more than the one I have that the HDPP would work better for. It still does not have the mass needed for a 37 foot trailer. If you don't like the facts, tough, but there it is. It's a disaster waiting to happen.
Old 01-03-2019, 10:40 AM
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Originally Posted by F175
What is the unit psf? Pound force per square ft? If so, you have a unit error. I agree total wind forces are larger with a larger trailer, but not pounds per square foot. I really think you are off base saying the HDPP is less capable for towing, if you stay within prescribed envelope. The total trailer weight is allowed to be higher, but actually can not be due to pin/hitch weight, which will be the limiting number.

https://www.fleet.ford.com/resources...e_r8_May15.pdf
Pounds of Force. Wind pressure 0.00256 times square of wind speed, multiply 1 square foot by wind pressure times drag, multiply this by the square footage to determine the amount of wind force being applied.

(0.00256 x (20)^2) = 1.024, 1 x 1.024 x 2 = 2.048, 2.048 x 296 =606.208 That would be a force of 606 pounds pushing against the side of the trailer.
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Old 01-03-2019, 10:52 AM
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Originally Posted by acdii
It's NOT about the weight of the trailer, never has been, it's the length! That has been and always will be the point I am trying to make. Think about this really hard. An HDPP is 800 pounds more GVWR than the same NON HDPP. 7850 vs 7050 GVWR. Just because it can handle 800 more pounds of weight does NOT mean it can handle a longer trailer! A heavier one, sure, there are plenty of 28-30 foot trailers that weigh a whole lot more than the one I have that the HDPP would work better for. It still does not have the mass needed for a 37 foot trailer. If you don't like the facts, tough, but there it is. It's a disaster waiting to happen.
Those are the fact pertaining to you, but not my facts, because my facts are my actual towing experiences with my truck and my long 37 ft trailer.

You never said whether you have a current model HDPP truck and towing a long trailer, and until you tell about your towing experiences with your HDPP and long trailer, there isn't much advice you can offer over anyone who got on-the road towing experiences.

When I was lurking for a few years and trying to determine what truck I needed for my trailer, the first thing I discovered was to disregard those whom that aren't towing with the setup that weren't simular to what I was looking to tow.

There are HDPP drivers towing long and heavy trailers, and those are the ones who has the most to offer regarding towing heavy and long.

I'm towing heavy and long, and I can say for a fact that I've been pushed in higher than 30 mph wind, for a fact I never experienced sway, I'm telling you for a fact my setup is a comfortable and stable tow and ten hours towing is no more tiring than when not towing...less distance traveled, but no more tiring, for a fact you can't drive with your knees like when in a car, for a fact I'm looking forward for camping season, for a fact that I can keep one hand on the wheel, except when semis pass and in windy conditions, and two hands are needed to counter any pressure, but the setup doesn't get upset...those are facts based on actual towing a long 37 ft trailer with a HDPP half ton.

You are flipping a coin and just speculation on what you think, what you feel, what you presume would happen...no actual experiences towing long and hesvy with a HDPP whatsoever.

Those are not facts.

Last edited by Maury82; 01-03-2019 at 10:57 AM.
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Old 01-04-2019, 10:23 AM
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Originally Posted by Maury82
Those are the fact pertaining to you, but not my facts, because my facts are my actual towing experiences with my truck and my long 37 ft trailer.

You never said whether you have a current model HDPP truck and towing a long trailer, and until you tell about your towing experiences with your HDPP and long trailer, there isn't much advice you can offer over anyone who got on-the road towing experiences.

When I was lurking for a few years and trying to determine what truck I needed for my trailer, the first thing I discovered was to disregard those whom that aren't towing with the setup that weren't simular to what I was looking to tow.

There are HDPP drivers towing long and heavy trailers, and those are the ones who has the most to offer regarding towing heavy and long.

I'm towing heavy and long, and I can say for a fact that I've been pushed in higher than 30 mph wind, for a fact I never experienced sway, I'm telling you for a fact my setup is a comfortable and stable tow and ten hours towing is no more tiring than when not towing...less distance traveled, but no more tiring, for a fact you can't drive with your knees like when in a car, for a fact I'm looking forward for camping season, for a fact that I can keep one hand on the wheel, except when semis pass and in windy conditions, and two hands are needed to counter any pressure, but the setup doesn't get upset...those are facts based on actual towing a long 37 ft trailer with a HDPP half ton.
....
I hate to sound pedantic, but those are not facts but empirical observations.


Sorry, that's the science geek in me coming out.

Carry on...
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