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07-03-2016, 08:32 AM
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#121
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Rivet Master
Tavares
, Florida
Join Date: Jun 2015
Posts: 1,052
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Hensley vs. ProPride
Quote:
Originally Posted by KYAirstream
We're the ubolts swimming around a little? Would you post a pic of the shims installed?
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Yes sir.
I would, but the trailer is rolling at 70+ behind me at the moment as my wife drives down I95
I'll get a chance today.
Yeah, so the shims go inboard, spread the force of the clamp bolt, and take up the space so the U can no longer twist on the frame.
__________________
“Character is doing the right thing when nobody’s looking. There are too many people who think that the only thing that’s right is to get by, and the only thing that’s wrong is to get caught.” - J.C. Watts Jr.
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07-03-2016, 05:52 PM
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#122
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New Member
1973 21' Globetrotter
Bonita
, California
Join Date: Oct 2014
Posts: 4
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New at towing, new at airstreams; looking for sway bar advice for hitching my 21' Globetrotter to a 08 MDX rated at 5000# towing.
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07-03-2016, 08:51 PM
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#123
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Rivet Master
Tavares
, Florida
Join Date: Jun 2015
Posts: 1,052
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Hensley vs. ProPride
Quote:
Originally Posted by Llando88
Yes sir.
I would, but the trailer is rolling at 70+ behind me at the moment as my wife drives down I95
I'll get a chance today.
Yeah, so the shims go inboard, spread the force of the clamp bolt, and take up the space so the U can no longer twist on the frame.
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Here's a quick pic:
The shim is between the frame and the U bolt; held down by the bolt at upper left of the picture.
This is the left or driver/services side of the trailer.
__________________
“Character is doing the right thing when nobody’s looking. There are too many people who think that the only thing that’s right is to get by, and the only thing that’s wrong is to get caught.” - J.C. Watts Jr.
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07-03-2016, 09:36 PM
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#124
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Rivet Master
1979 31' Sovereign
Northeastern
, Kentucky
Join Date: Feb 2011
Posts: 627
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That explains it--fills the gap between the frame and the WD jack. Thanks for the pic!
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07-04-2016, 07:28 AM
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#125
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,215
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Sean counter sunk a hole on one side of my shims so the clamp bolt would hold the shim in place by both a mechanical (sticking into the hole) and friction pressure connection.
__________________
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic w/ twin beds, 50 amp service, 1000 watt solar system, Centramatics, Tuson TPMS, 12" disc brakes, 16" tires & wheels
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07-04-2016, 08:35 AM
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#126
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Rivet Master
2007 25' Safari FB SE
2000 30' Excella
1999 30' Excella 1000
Low Country
, South Carolina
Join Date: Feb 2004
Posts: 820
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Quote:
Originally Posted by Llando88
Yes sir.
I would, but the trailer is rolling at 70+ behind me at the moment as my wife drives down I95
I'll get a chance today.
Yeah, so the shims go inboard, spread the force of the clamp bolt, and take up the space so the U can no longer twist on the frame.
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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.
__________________
StreamNTyme
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07-04-2016, 10:04 AM
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#127
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Rivet Master
2005 31' Classic
Garner,
, North Carolina
Join Date: Oct 2012
Posts: 1,031
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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.
Quote:
Originally Posted by KYAirstream
That explains it--fills the gap between the frame and the WD jack. Thanks for the pic!
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__________________
Carl, Raleigh NC
2-24-16 got a 2005 Classic 31D 460 watts solar, lithium 230 AH, 16" LT's, pulled by:
2003 F-250 SD, CC, 7.3L PowerStroke
WBCCI#1691, Piedmont Airstream Club, Unit #161, Region #3
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07-04-2016, 12:06 PM
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#128
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Rivet Master
Tavares
, Florida
Join Date: Jun 2015
Posts: 1,052
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Quote:
Originally Posted by StreamNTyme
70 mile an hour, really? Way too fast for us. Please travel safely for your safety and all those on the road near you.
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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.
__________________
“Character is doing the right thing when nobody’s looking. There are too many people who think that the only thing that’s right is to get by, and the only thing that’s wrong is to get caught.” - J.C. Watts Jr.
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07-04-2016, 12:36 PM
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#129
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Rivet Master
2007 22' International CCD
Corona
, California
Join Date: Jul 2013
Posts: 9,180
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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.
Sent from my pocket Internet using Airstream Forums
__________________
Rich, KE4GNK/AE, Overkill Engineering Dept.
'The Silver HamShack' ('07 International 22FB CCD 75th Anniversary)
Multiple Yaesu Ham Radios inside and many antennae sprouting from roof, ProPride hitch, Prodigy P2 controller.
2012 shortbed CrewMax 4x4 Toyota Tacoma TV with more antennae on it.
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07-05-2016, 09:21 AM
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#130
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,215
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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.
__________________
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic w/ twin beds, 50 amp service, 1000 watt solar system, Centramatics, Tuson TPMS, 12" disc brakes, 16" tires & wheels
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07-05-2016, 09:28 AM
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#131
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Rivet Master
Currently Looking...
Mantua
, Ohio
Join Date: Jul 2005
Posts: 7,062
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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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07-05-2016, 01:46 PM
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#132
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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A correctly set up rig at 65 mph is safer than a correctly set up rig at 70 mph...
Sent from my iPad using Airstream Forums
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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07-05-2016, 02:26 PM
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#133
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Rivet Master
2007 22' International CCD
Corona
, California
Join Date: Jul 2013
Posts: 9,180
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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.
Sent from my pocket Internet using Airstream Forums
__________________
Rich, KE4GNK/AE, Overkill Engineering Dept.
'The Silver HamShack' ('07 International 22FB CCD 75th Anniversary)
Multiple Yaesu Ham Radios inside and many antennae sprouting from roof, ProPride hitch, Prodigy P2 controller.
2012 shortbed CrewMax 4x4 Toyota Tacoma TV with more antennae on it.
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07-05-2016, 02:40 PM
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#134
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4 Rivet Member
2015 28' Flying Cloud
2014 25' Flying Cloud
Waxahachie
, Texas
Join Date: May 2014
Posts: 380
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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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07-05-2016, 02:42 PM
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#135
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Rivet Master
Vintage Kin Owner
N/A
, N/A
Join Date: Sep 2012
Posts: 989
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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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07-05-2016, 03:40 PM
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#136
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Rivet Master
Tavares
, Florida
Join Date: Jun 2015
Posts: 1,052
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Quote:
Originally Posted by silverlabs
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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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.
__________________
“Character is doing the right thing when nobody’s looking. There are too many people who think that the only thing that’s right is to get by, and the only thing that’s wrong is to get caught.” - J.C. Watts Jr.
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07-05-2016, 03:57 PM
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#137
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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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.
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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07-05-2016, 03:59 PM
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#138
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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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...
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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07-05-2016, 04:01 PM
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#139
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Rivet Master
Currently Looking...
Mantua
, Ohio
Join Date: Jul 2005
Posts: 7,062
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Just checked and max speed in Florida is 70 mph, never knew that.
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07-05-2016, 04:19 PM
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#140
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Rivet Master
Vintage Kin Owner
N/A
, N/A
Join Date: Sep 2012
Posts: 989
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Quote:
Originally Posted by m.hony
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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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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