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07-30-2020, 07:21 PM
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#1
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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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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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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07-30-2020, 08:36 PM
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#2
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Winnebago Master
Join Date: Oct 2017
Location: Elk Grove, CA
Posts: 3,574
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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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Bob C
2002 Itasca Suncruiser 35U
Workhorse Chassis
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07-31-2020, 04:23 AM
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#3
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Winnebago Owner
Join Date: Apr 2018
Location: Ogdensburg, NY
Posts: 127
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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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07-31-2020, 06:10 AM
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#4
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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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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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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07-31-2020, 08:32 AM
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#5
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Winnebago Master
Join Date: Nov 2018
Location: Pflugerville/Austin, Tx
Posts: 7,371
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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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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!
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07-31-2020, 03:38 PM
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#6
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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Quote:
Originally Posted by Morich
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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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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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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07-31-2020, 04:26 PM
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#7
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Winnebago Master
Join Date: Oct 2017
Location: Elk Grove, CA
Posts: 3,574
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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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Bob C
2002 Itasca Suncruiser 35U
Workhorse Chassis
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07-31-2020, 04:31 PM
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#8
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Winnebago Camper
Join Date: Jul 2020
Posts: 31
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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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2020 Horizon 42 Q, 450 ISL
2007 Itasca Ellipse 40 FD, 400 ISL
2004 Southwind 32 VS, 1999 Fleetwood Storm 30H
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07-31-2020, 05:00 PM
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#9
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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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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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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07-31-2020, 05:32 PM
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#10
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Winnebago Master
Join Date: Oct 2017
Location: Elk Grove, CA
Posts: 3,574
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Quote:
Originally Posted by Topsail
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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Don't forget your tanks
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Bob C
2002 Itasca Suncruiser 35U
Workhorse Chassis
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08-05-2020, 05:36 PM
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#11
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Winnebago Watcher
Join Date: Jun 2019
Posts: 1
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As others have stated, within plus or minus 3 inches is acceptable per Blue Ox. Measurement to be made on level ground. We just went through this. We purchased a 6 inch drop hitch. 2011 Winnebago Via 25Q (Class A) towing 2008 Honda CRV.
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08-05-2020, 07:00 PM
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#12
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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I am leaning toward the 6" drop since I want to reduce any length that I can and still keep within the +/- 3".
I finished topping off the black tank with fresh water and filled the grey tank for a final rinse before dumping tanks.
Even with these tanks full and almost a full fresh water tank and 7 cases of bottled water distributed evenly we only came down another 1/4". I'll order the receiver soon. We should be on the road in a few weeks.
Thanks to all.
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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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08-05-2020, 08:01 PM
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#13
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Winnebago Camper
Join Date: Nov 2017
Posts: 42
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Yes...... on the CRV. I have one with a Class A motor Home. Drop-down 6 inches or 8 inches. Depends on the manufacturer. I have a Newmar and use both sizes. Make sure you also buy extended cables when you do the Hi-Low bar purchase. Amazon has a great selection.
Moonie
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08-05-2020, 08:12 PM
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#14
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Winnebago Owner
Join Date: Apr 2006
Posts: 132
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With the same motorhome we have towed a 2005 CRV and now a 2014 CRV with a Blue Ox Avail (BX7420) tow bar. The 2005 CRV did not require a drop hitch receiver to keep the tow bar level, but the 20014 CRV does. To keep the tow bar level on the 2014 CRV we purchased through Amazon a 6" drop Blue Ox receiver, BX88130. We still use the same cables and electrical cord that were used with the 2005 CRV.
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2005 Adventurer 33V
2014 Honda CRV
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08-05-2020, 08:20 PM
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#15
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Winnebago Owner
Join Date: Jul 2019
Posts: 83
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I have a 2003 Adventurer and 2013 Honda CRV. I have to use a 6" drop to be close to level.
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08-05-2020, 09:43 PM
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#16
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Winnebago Owner
Join Date: Oct 2018
Location: Pensacola, FL
Posts: 167
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I bent one of the tow arms of a Blue Ox 10,000# capacity towing a 4200# car, because the angle was too great. Lesson learned. Get the tow bar level. I required a 6" drop. Problem solved. (Blue OX baseplate, and latest Brake Buddy brake system...Works great now.
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Bob Austin--celebrating 60 years of RVing
2013 Via 25T
Pensacola, FL
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08-06-2020, 05:49 AM
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#17
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Winnebago Owner
Join Date: Jun 2019
Posts: 229
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Thank you good folks for the great replies and B Austin that is very informative regarding the bent tow arm. There's a lot of force being applied. I'm so glad I haven't blindly gone forward without asking this specific question and maybe it will help others.
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2008 Voyage 35L, Allison 6 speed auto and GM Workhorse 8.1 gas
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08-06-2020, 09:29 AM
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#18
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Winnebago Owner
Join Date: Feb 2008
Location: Hometown is Schenectady, NY
Posts: 237
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2012 CR-V and 2004 Winnebago Vectra diesel. No drop needed. We have blue ox and it's very level to hitch receiver. Diesel may be lower than a gasser. If so a gasser would need drop.
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Ginny & Eric - Full Time 4/14/12 - Our Blog "Walk About With Wheels"
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2004 Winnebago Vectra 40AD - 350 Cummins ISC; Toad 2012 Wrangler 6 speed
SKP, WIT, FMCA, FCOC, GoodSam, Cummins Power Club
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