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Old 06-16-2013, 06:12 PM   #1
Flatbroke
 
Join Date: Apr 2012
Location: Genoa NY
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Towing sway

Hi all
I have a 2005 F250SD 6.0 diesel and am towing a 2012 Flagstaff Classic Super Light 8528RKWS.It seems ok when going only 50mph but when I hit the Interstate and try 65mph the camper sways so bad that it about took me into the guard rail. It's very scary. I have friends that tow bigger with less truck and have no trouble at all. I had the truck aligned and bought new tires and rims both are E rated.Please Help!!
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Old 06-16-2013, 06:26 PM   #2
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Have you weighed your rig?

If you are "aft loaded" (less than 15% pin weight) a 5th wheel will fishtail your truck.
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Old 06-16-2013, 06:32 PM   #3
Flatbroke
 
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I did it but can't remember what it was and I didn't figure out what the pin weight was. I guess I thought as long as it wasn't a lot on the truck it would be ok. I guess I was wrong. I will take it and do that. Thank you for the info
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Old 06-16-2013, 06:45 PM   #4
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The pin weight on a 5th wheel must fall between 15 and 25% of the total camper's weight for safe driving.

The weigh requires 2 passes, once with the truck and camper connected and once with the truck alone. I pull on the scales connected, get a weight; then pull into the parking lot and drop the camper and drive back onto the scales for a second ticket (1 dollar extra).

Here is a Word DOC file I use to keep track of my weight checks.
I try to do one per year.

(For any members who would like a similar file for travel trailers I will work one up as travel trailers need 3 weight tickets due to the WD bars ON and OFF; in addition to the truck alone.)
Attached Files
File Type: doc TV and 5th Weight Tracking Document -11 Nov 2009.doc (227.5 KB, 32 views)
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2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
HAM CALLSIGN - KC3FFW
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Old 06-16-2013, 08:25 PM   #5
Flatbroke
 
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Ok just weighed my rig. Truck and Camper together total is 17080lbs
Camper alone is 8620lbs
Tongue weight is 1420lbs
If I'm doing this right 15% of my camper total should be 1290lbs so I'm a little over 15% so I should be good.
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Old 06-16-2013, 08:53 PM   #6
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Quote:
Originally Posted by Flatbroke View Post
Ok just weighed my rig. Truck and Camper together total is 17080lbs
Camper alone is 8620lbs
Tongue weight is 1420lbs
If I'm doing this right 15% of my camper total should be 1290lbs so I'm a little over 15% so I should be good.
What does the truck weigh alone?

How did you determine the camper weight?
Did you leave it on the scale and drive the truck off?
If you put the landing gear on a scale you will not get a true pin weight due to the location of the landing gear in relation to the wheels.

To find the pin weight you subtract the truck alone weight from the combined weight. A copy of both weigh tickets would help visualize what is going on.
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2010 Flagstaff 8526RLWS - Superglide 3300
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Old 06-16-2013, 09:54 PM   #7
Flatbroke
 
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If I subtract truck alone weight from total weight doesn't that just give me trailer weight?
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Old 06-16-2013, 09:56 PM   #8
Flatbroke
 
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I did un hook and leave the camper on scales
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Old 06-16-2013, 10:20 PM   #9
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To get the pin weight don't you need the truck weight and the truck weight connected but only the truck axles on scale (or only camper axles on scale)? No combination of truck alone, camper alone or combo will give pin load from my view.
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Old 06-16-2013, 10:41 PM   #10
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Weight Truck trailer combo (truck weight and trailer wt individually and total will be on ticket) and then weight truck alone(front axle and rear axle and total will be on ticket). Subtract truck alone total weight from truck trailer weight of the truck weight while connected to the trailer.
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