Bike racks and tongue weight - Page 2 - Escape Trailer Owners Community

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Old 09-10-2015, 07:41 AM   #11
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Quote:
Originally Posted by Brian B-P View Post
Similar options doesn't mean exactly the same final weight distribution, because people carry different stuff, differently located... but there shouldn't be a huge difference.

The bikes are affecting the tongue weight - I was just curious if the data were available to say how much. The reduction of tongue weight should be roughly half the weight of the racks plus bikes, if they are about half as far from middle of the axles as the coupler.

Thanks Carl!
40 pounds reduction due to the bikes and rack... in line with expectations, assuming that the rack plus a couple of bikes weighs more than 40 but probably short of 80 pounds. For those who are not convinced by explanations of leverage, this is a demonstration of how it will work for anyone: add a pound or two to the back, pry a pound off of the hitch.
I am purposely loading the front with heavy stuff for fear of getting tonue weight low. I will continue to do that but am relieved with some real data. A near catastrophe with an improperly loaded uhaul trailer from years back makes it a priority.
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Old 09-10-2015, 10:51 AM   #12
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Yes me too I don't know my tongue weight yet and it worries me.
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Old 09-10-2015, 10:45 PM   #13
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Quote:
Originally Posted by skiman View Post
I am purposely loading the front with heavy stuff for fear of getting tonue weight low. I will continue to do that but am relieved with some real data. A near catastrophe with an improperly loaded uhaul trailer from years back makes it a priority.
This is good, but there are limits to the "counterweighting" idea. Adding mass to each end of a trailer can result in the same tongue weight, but it still makes the trailer less stable. In this case it is just a couple of bikes on a 21-foot trailer, and is apparently no problem.

I had momentary instability with a 6'x12' U-Haul once, but I know why: I didn't have a tall enough ball mount and so it was sitting a little nose-down - bad for tandems.
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Old 12-21-2015, 11:01 AM   #14
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Any more real world tongue and/or trailer weight testing on 21's lately? I looked (and that's all I'll be doing over there from now on ) over in FGRV on the weight thread, but couldn't find any 21 info.
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Old 12-21-2015, 11:48 AM   #15
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I have added 5 21' (and a couple of 5.0TA's) to the downloadable Spreadsheet version at LakeshoreImages. Frederick gave me permission to post it for those who wanted an editable Excel version & Steve LaBroad added the sort/filter capability. That lets you average any group of trailers...
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Old 12-21-2015, 12:01 PM   #16
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I have added 5 21' (and a couple of 5.0TA's) to the downloadable Spreadsheet version at LakeshoreImages. Frederick gave me permission to post it for those who wanted an editable Excel version & Steve LaBroad added the sort/filter capability. That lets you average any group of trailers...
Thank you Jon. Looks like a new Sherline scale is in my future.
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Old 12-21-2015, 02:27 PM   #17
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Get the 1000 lb version vs the 2000 lb one, easier to see.
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Old 12-21-2015, 02:31 PM   #18
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Get the 1000 lb version vs the 2000 lb one, easier to see.
Yah, I will Jim - Glenn already convinced me of that in an earlier post
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Old 12-21-2015, 03:35 PM   #19
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Our 21 weights were as follows. I say were because we’ve made some changes but haven’t gone through the exercise of re-measuring.
Advertised dry weight: 3050#
Escape/Owner Options/additions: 683#
Trailer without personal items: 3733#
Personal items/food etc: 500#
Total traveling weight: 4233#
Tongue weight as loaded: 500# or 11.8%

Add 2 bikes & carrier: 97.7#
Trailer & bikes: 4331#
Tongue weight: 450# or 10.4%

Adding bikes to the rear, using our rack and the distance it holds the bikes out from the rear, reduced our tongue weight by a factor of 2/1 (100lbs of bikes = 50lbs reduction in tongue weight).

Also, if I remember right, putting water in the fresh water tank had a 4/1 effect on our weight. So adding 100 lbs of water in the tank reduced our tongue weight by 25lbs.

I’ve verified the gross trailer weight multiple times on different truck scales while on different trips and it’s remained pretty constant. Speaking of stability, we towed our 21 over 8,000 miles this last summer using our Honda Ridgeline through winds in the 55-60mph range and the combination (with the Anderson) did just fine (we traveled without bikes). I knew it was windy outside, but I never felt out of control or at risk. I think that’s a testament for truck, trailer, and maybe even the Anderson.
Hope this helps, Tom
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Old 12-21-2015, 03:39 PM   #20
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Good info TA - thanks!
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