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06-19-2017, 09:45 AM
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#1
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Senior Member
Name: Billy Sharpstick
Trailer: Burro - '99 wide body 14
Florida
Posts: 110
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Tongue weight scale
The Sherline tongue weight scale looks nice, but for occasional use, can I just use a bathroom scale? Theoretically my Burro 14 tongue should not be over 300 lbs. And should the weight be taken with the jack, or should it be at the ball hitch location?
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06-19-2017, 10:31 AM
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#2
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Senior Member
Name: Steve
Trailer: 2003 Casita 16' SD
Michigan
Posts: 1,718
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The best location is at the coupler location. The jack is far enough back that it is less accurate. Is it accurate enough at the jack? I haven't done the math. It should be just the ratio of how far back the jack it is from the coupler vs. the distance from the coupler to the center of the axle. Besides, "accurate enough" is subjective.
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Quando omni flunkus, moritati
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06-19-2017, 10:58 AM
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#3
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Senior Member
Name: Glenn ( second 'n' is silent )
Trailer: 2009 Escape 17B '08 RAV4 SPORT V6
British Columbia
Posts: 4,730
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I would recommend the Sherline scale. If you do get one, make sure it has the 1,000 lb. gauge, not the 2,000 lb. gauge as the gauge is most accurate and easiest to read at the middle of the range.
This is from Sherline Towing Guide. You measure once at the hitch and once at the jack and then apply the math formula when measuring at the jack from then on.
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What happens to the hole when the cheese is gone?
- Bertolt Brecht
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06-19-2017, 10:59 AM
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#4
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Member
Name: Alan & Barb
Trailer: 2005 Bigfoot 17.5G
Washington
Posts: 79
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First, the weight should be taken at the ball receiver. I find it's very easy when the trailer is unhitched to put blocks under the scale, lower the jack to get the weight and then jack it back up. Weighing at the jack will be close(ish) but would depend on the distance from the ball receiver on how off it is. Don't forget to weigh all hitch components as well.
You could use a bathroom scale (thrift shops are full of them). Our trailer has a tongue weight approaching 500# which makes using a bathroom scale impractical without offsetting it with boards which is a PITA for me and less practical on the road.
I caved and bought the Sherline after we had an unnerving swaying incident with our Bigfoot. I've found a nearly 50# variation in tongue weight depending on how we load for just a 4-5 day trip. It also helps me when I need to carry water in my fresh tank at the extreme rear which drives the variation much higher.
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06-19-2017, 12:11 PM
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#5
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Junior Member
Name: Jim
Trailer: Escape 17B
Nevada
Posts: 29
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I bought a 330lb scale from Walmart, and use a jack stand to support the tongue.
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06-19-2017, 12:23 PM
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#6
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Senior Member
Name: KAY
Trailer: 1981 SCAMP 13
Missouri
Posts: 366
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etrailer -Sherline Tongue Weight Scale is the Deal of the Day
Got this in today's e-mail.
This portable scale makes it quick and easy to measure your trailer's tongue weight at home or on the road. It gives you accurate weigh-ins that lead to confident, safe towing. No more guesswork, trip to the scales, or bathroom scales.*
www.etrailer.com/Tools/Sherline/5780.html
*
Our customers give it a 5-star rating with over 300 reviews!
*
George Jiggs * * * * * * * * * * * * * * * * * * * * * * * * * * * *
george@etrailer.com
(636)887-2712 * * * *
$139.39 today 6/19/2017
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06-19-2017, 12:37 PM
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#7
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Senior Member
Name: Glenn ( second 'n' is silent )
Trailer: 2009 Escape 17B '08 RAV4 SPORT V6
British Columbia
Posts: 4,730
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Quote:
Originally Posted by likeair2me
$139.39 today 6/19/2017
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Just make sure it has a 1,000 lb. gauge. Last I looked etrailer only sold it with a 2,000 lb. gauge, so I then had to buy the 1,000 lb. from Sherline ( although you can get one elsewhere ). That increases the price, especially if shipped to Canada.
And, if buying from etrailer.com, ask them to ship from their Ontario warehouse, if you live in Canada, to avoid the border fees.
__________________
What happens to the hole when the cheese is gone?
- Bertolt Brecht
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06-19-2017, 12:44 PM
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#8
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Member
Name: Gordon
Trailer: Casita Independence "Callimachusita"
Ocean City, NJ
Posts: 95
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Yes you can use a bathroom scale. Etrailer explains it. https://www.etrailer.com/faq-how-to-...ue-weight.aspx
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Gordon and Anne
2010 Suzuki Equator "Suzi Q"
2015 Casita Independence "Callimachusita"
Pod Puppies: Josie and Frankie, Casita Kittens: Madison & Razzel & Mrs. Chow
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06-19-2017, 02:15 PM
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#9
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Senior Member
Name: Gordon
Trailer: 2015 Scamp (16 Std Layout 4) with '15 Toyota Sienna LE Tug
North Carolina
Posts: 2,233
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If you want a Sherline scale.. I have one for sale. It does have the 2k gauge but you can buy the 1000 lb gauge if you want - it just replaces the 2k gauge. List price is US $32 but maybe you can find it lower.
I used it (with the 2,000 lb gauge) to get the weight on the individual wheels (left and right sides of the camper) or at least as close as I could with the Sherline under the frame.
I was not going to ship it but I will ship it to CONUS for the price listed in the Ad to members of this forum. Send PM instead of replying in this thread.
https://charlotte.craigslist.org/pts/6144355671.html
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06-20-2017, 10:18 AM
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#10
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Senior Member
Name: Wayne & Barbara
Trailer: Parkliner
Iowa
Posts: 698
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A bathroom scale works just fine. Under the jack is fine; close enough for all practical purposes.
But for accuracy, adjust the reading by the ratio of distances of the ball and jack from the axle.
For example: Our 16 ft Scamp had a hitch ball weight of 285 lb.
The distance from ball to axle was 121 inches. and the jack is 11 inches behind the ball, or 110 inches from the axle.
The weight at the jack would be 121/110 x 285 = 313.5 lb.
Conversely, if you measure, say 300 lb at the jack, the formula is:
110/121 x 300 = 272 lb.
Be sure the trailer sits level. the wheels are chocked.
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06-20-2017, 11:19 AM
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#11
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Senior Member
Name: Walter
Trailer: 2017 Escape 17B
SW Virginia
Posts: 1,199
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If this is mentioned earlier, sorry but I missed it. Whether you use a Sherline or bathroom scale make sure the ball receiver is at the same height as when towing.
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Past owner of 1995 13' Casita, 1994 16' Casita, 2012 Parkliner, 2002 17' Bigfoot.
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06-20-2017, 11:29 AM
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#12
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Senior Member
Name: Glenn ( second 'n' is silent )
Trailer: 2009 Escape 17B '08 RAV4 SPORT V6
British Columbia
Posts: 4,730
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Quote:
Originally Posted by WaltP
If this is mentioned earlier, sorry but I missed it. Whether you use a Sherline or bathroom scale make sure the ball receiver is at the same height as when towing.
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I don't see how this is relevant. All that matters is that the trailer is level.
__________________
What happens to the hole when the cheese is gone?
- Bertolt Brecht
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06-20-2017, 11:33 AM
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#13
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Member
Name: Brad
Trailer: 2014 Casita Spirit Deluxe
New Mexico
Posts: 59
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1000 lb Scale on Ebay and Amazon
I saw the 1000 lb on ebay for about $142 and $144 on Amazon. Since I order quite a bit from Amazon, went ahead a placed my order there. Should arrive tomorrow.
brad
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06-20-2017, 11:42 AM
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#14
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Senior Member
Name: Gilles
Trailer: Bigfoot 15B17G, 1986.
Quebec
Posts: 615
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I go to the simplest, with the bath room scale :
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Gilles 
Bigfoot 15B17G.
Towed with Dodge Journey 2012, 3.6 L., 6 speeds.
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