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Old 07-30-2020, 07:21 PM   #1
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Do I need a drop down receiver?

For those of you with a class A who tow a Honda CR-V do you need and use a drop down receiver?

I don't want to add this into the system unless it's an absolute necessity. Since this is a very popular tow car I'd like to know how you rig yours.

I have a Demco Aluminator (6500 rated) tow bar and the CR-V has the Blue Ox Base Plate.

I know there is an acceptable range, but I don't know what is correct for my set up.

I will talk with etrailer soon but I just wanted to see what others are doing.
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Old 07-30-2020, 08:36 PM   #2
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Your tow bar installation instructions indicate +/- 3" from level, which is the same as Blue Ox's specs. This measurement should be made when fully loaded and hooked up on level pavement.
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Old 07-31-2020, 04:23 AM   #3
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Has qnothing to do with your toad being a Honda CRV. The towbar, while toad and motorhome are loaded and hooked up, parked on the level, should be as level as possible. What ever angle there is causes the toad to want to ride up and over, or down and under the towbar/motorhome. Can cause undo stress and wear on an otherwise good towbar setup. Keepit level, my towbar manual says +/- 2". I use a 6" drop on my setup.
What are you using for a toad brake system?
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Old 07-31-2020, 06:10 AM   #4
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Thanks Bob and Phil.

I included the CRV information since the height varies with different vehicles. I have the Brake Buddy Vantage system and have only towed the CRV home using a truck and haven't hooked up with the RV.
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Old 07-31-2020, 08:32 AM   #5
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Good thing to question and small points are easy to miss. I did it wrong for years before we changed RV and I did a new look.
From what I see, it is a matter of how the weight of the car pulls and pushes on the towbar and that also transfers to the base plates.
If you have the tow bar so it lies pretty flat, the pressure from the car, either pulling or pushing, hits the bar and also the base plates at a different angle being straight on.
But if we have one end of the tow bar much higher, that pressure hits at a different angle which tends to make it force the hitch up while also forcing the bolted on base plates down.
That leaves the bolts on the base plates stressed far different than the way they were designed. My thought is that makes it more likely for the bolts to wear in a different way and possibly fail sooner.
For my simple thinking, it is like leaning on a stick of wood against the wall. If it is straight and level, it doesn't move the same as when it is angled up or down. Straight lets us put more pressure on without doing damage!
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Old 07-31-2020, 03:38 PM   #6
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Quote:
Originally Posted by Morich View Post
Good thing to question and small points are easy to miss. I did it wrong for years before we changed RV and I did a new look.
From what I see, it is a matter of how the weight of the car pulls and pushes on the towbar and that also transfers to the base plates.
If you have the tow bar so it lies pretty flat, the pressure from the car, either pulling or pushing, hits the bar and also the base plates at a different angle being straight on.
But if we have one end of the tow bar much higher, that pressure hits at a different angle which tends to make it force the hitch up while also forcing the bolted on base plates down.
That leaves the bolts on the base plates stressed far different than the way they were designed. My thought is that makes it more likely for the bolts to wear in a different way and possibly fail sooner.
For my simple thinking, it is like leaning on a stick of wood against the wall. If it is straight and level, it doesn't move the same as when it is angled up or down. Straight lets us put more pressure on without doing damage!
Based on my preliminary findings I will need a drop/rise receiver. Measuring from the centerline of the RV receiver to the ground I get right at 24-1/2" and the measurement from the ground to the centerline of the CRV base plate arms is 16".

The simple math of 24-1/2" minus 16" leaves a gap of 8-1/2". Therefore I could order the 8" or 6" drop receiver. Either one will work while the 8" may be ideal. The only concern is that doesn't leave as much ground clearance and adds more length.

I bet there are quite a few rigs who don't use one when they really should. The previous owner of my RV towed a CRV and didn't use one and the guy I bought the CRV from who owned a class A didn't either.

I'd like to hear from anybody with a set up like mine to see which drop receiver they went with. I may go ahead and order the 8" receiver, but I'd still like to hear what others use.

I know for some of you old pros this must be a boring post. I do appreciate your input.
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Old 07-31-2020, 04:26 PM   #7
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There's another consideration and that is, the longer the drop hitch, the greater the torque that's exerted in a panic stop, which can be problematical as well.

Given the ground clearance issue, I'd opt for the 6" drop receiver, which still puts you within the +/- 3". The +/- 3" spec has a safety margin built into it, so you don't need to split hairs. Although my vehicles are different than your's, my situation was similar and I chose the 6" drop receiver. An 8" drop receiver looks huge compared to a 6" one.

Also, was your rig fully loaded for travel? If not, the additional weight will lower your receiver, thereby decreasing the difference.

Just because the previous MH and CRV owners didn't use a drop receiver is irrelevant since the issue is one of safety in an extreme situation, which may never occur. It's all about risk minimization.
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Old 07-31-2020, 04:31 PM   #8
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I had a 2004 Southwind and it sat high, I needed a 6 inch drop to get to 3 inches to level
Bought it, pulled my Jeep 25,000 miles without a problem.
My 2 DP didn’t need a drop.
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Old 07-31-2020, 05:00 PM   #9
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Thanks fellas for the input. We may add a few items but not really much more so weight shouldn't be an issue. I am very keen on weights and balance due to my marine background.

Bob your description of the 8" receiver is exactly what I thought. It's a big honker.
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Old 07-31-2020, 05:32 PM   #10
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Quote:
Originally Posted by Topsail View Post
Thanks fellas for the input. We may add a few items but not really much more so weight shouldn't be an issue. I am very keen on weights and balance due to my marine background.

Bob your description of the 8" receiver is exactly what I thought. It's a big honker.
Don't forget your tanks
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