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12-17-2014, 03:16 PM
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#11
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TrailManor Master
Join Date: Apr 2014
Location: Orlando
Posts: 2,796
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And the answer is:
"CAT Scales display and print in 20 LB increments to comply with the specifications set in NIST Handbook 44. Each of the three axle weights would round up or down to the nearest 20 LB. As an example if your steer axle weight is 11,972 LB the CAT Scale would register that weight as 11,980 LB. If the drive axle weight is 33,949 LB the CAT Scale would register that weight as 33,940 LB. "
__________________
Looking for a 24/17 in or near Florida.
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12-17-2014, 04:41 PM
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#12
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TrailManor Master
Join Date: Jan 2014
Location: Somerset, OH
Posts: 1,868
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So it sounds like +- 10 lbs. For practical purposes, about one gallon of milk or a 12 pack of pop.
__________________
Art & Joyce
Current camper: Motor Home
Previous: 2009, 3023-QB and 2003 2720
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12-17-2014, 06:25 PM
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#13
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TrailManor Master
Join Date: Jun 2013
Location: NE Ohio
Posts: 662
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__________________
2012 Chevy Traverse 2009.5 TrailManor 2720 with cassette toilet modification. Cat scale weight 3980 lbs. full tanks
"Retractable hard side camper", way more than a pop up
2020 has 28 nights reserved and planning more.
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12-18-2014, 06:51 AM
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#14
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Senior Member
Join Date: Jun 2014
Location: Tarpon Springs, Florida
Posts: 52
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Funpilot - Re: Post #1. Joe said, "So 5,080# max capacity - weight at axle 4,030# = 1,050# of additional storage capacity. You don't include the tongue weight since that weight is not sitting on your axle. (It's supported by the tow vehicle.)"
You said, "the trailer axle weighs 3380 pounds on the CAT scale". So, if you don't include the tongue weight, then 5,080# - 3,380# = 1,700# of additional storage capacity, not 1,050#. Am I missing something?
Dan
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TM: SOLD - 2014 2417 Sport
TV: SOLD - 2014 Jeep GC
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12-18-2014, 09:56 AM
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#15
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TrailManor Master
Join Date: Jan 2014
Location: Somerset, OH
Posts: 1,868
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Quote:
Originally Posted by TrailManorMan
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lol
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Art & Joyce
Current camper: Motor Home
Previous: 2009, 3023-QB and 2003 2720
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12-18-2014, 05:07 PM
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#16
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Guest
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Interesting discussion. The max limits are the max safe limits that have been agree upon based on component values and math. For me the max limit means the limit where I can drive down the road and feel assured that I have control of my TV and TM under most all circumstances. These numbers are usually lower. and for me result in a much more enjoyable trip.
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12-18-2014, 05:13 PM
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#17
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TrailManor Master
Join Date: Jun 2013
Location: NE Ohio
Posts: 662
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Quote:
Originally Posted by rumbleweed
Interesting discussion. The max limits are the max safe limits that have been agree upon based on component values and math. For me the max limit means the limit where I can drive down the road and feel assured that I have control of my TV and TM under most all circumstances. These numbers are usually lower. and for me result in a much more enjoyable trip.
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ME TOO, I prefer light loading, helps my mpg and confidence !
__________________
2012 Chevy Traverse 2009.5 TrailManor 2720 with cassette toilet modification. Cat scale weight 3980 lbs. full tanks
"Retractable hard side camper", way more than a pop up
2020 has 28 nights reserved and planning more.
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12-19-2014, 05:07 PM
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#18
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TrailManor Master
Join Date: May 2014
Location: Chesapeake, VA
Posts: 496
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Quote:
Originally Posted by YNPKing
Funpilot - Re: Post #1. Joe said, "So 5,080# max capacity - weight at axle 4,030# = 1,050# of additional storage capacity. You don't include the tongue weight since that weight is not sitting on your axle. (It's supported by the tow vehicle.)"
You said, "the trailer axle weighs 3380 pounds on the CAT scale". So, if you don't include the tongue weight, then 5,080# - 3,380# = 1,700# of additional storage capacity, not 1,050#. Am I missing something?
Dan
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Here is exactly what the CAT document reads for my Avalanche 1500 2wd with the Blue Ox Swaypro:
Steer axle 2980
Drive Axle 3660
Trailer axle 3380
When I previously weighed just the truck alone, I got:
Steer axle 2980
Drive axle 2940
Most of the increase on the drive axle was the tongue weight I presume.
__________________
2015 3124KD
TV: 2005 Avalanche 1500 with Prodigy P3
Truma On-Demand Comfort Hot Water Heater
Dometic 1110 Compressor Refrigerator
BlueOx SwayPro Hitch
2.5 inch lift kit
Progressive Industries EMS-HW30C
Yada Wireless backup camera
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12-19-2014, 06:12 PM
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#19
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Site Team
Join Date: Feb 2003
Location: The mountains of Scottsdale, AZ, and the beaches of Maine
Posts: 10,100
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The weight on the drive axle (truck rear axle) increased by 720 pounds when you put the tongue weight on the hitch? Wow! That is more than tongue weight, I think. Did you add any cargo in the truck? Or a passenger? If you have a long-lever-arm hitch, there can be a multiplying effect as weight comes off the front end.
However, it appears that no weight came off the front end. This would mean that you had your WDH cranked up perfectly, so as to exactly replace the weight that was removed from the front axle when the trailer weight was dropped on the hitch ball. Bujt that should have removed a portion of the hitch weight from the drive axle. I'm confused. Padgett, you do these calculations ... What's going on?
I'm presuming that you used the same CAT scale both times.
Bill
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12-19-2014, 06:36 PM
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#20
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Senior Member
Join Date: Jun 2014
Location: Tarpon Springs, Florida
Posts: 52
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I'll defer to Bill on the surprising weight on the drive axle.
All I was trying to say earlier is that I think Joe mistakenly substituted the wrong figure in his storage capacity calculation. I believe you have significantly more storage capacity than he calculated.
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TM: SOLD - 2014 2417 Sport
TV: SOLD - 2014 Jeep GC
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