Tongue Weight - How To Measure - Page 2 - Escape Trailer Owners Community

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Old 03-08-2013, 07:52 PM   #11
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Excellent! I'll look for you. Jim
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Old 03-08-2013, 08:32 PM   #12
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If you have the interest, you might get both weights. We had a Sherline and also had a truck scale tongue weight and they differed somewhat.

As FudgeBrownie says, the idea is to be level. You may not be exactly level or in exactly the same place when using a Sherline as when hooked up. Hopefully the weights will be close.
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Old 03-08-2013, 09:29 PM   #13
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I don't see how one could use the Sherline while hooked up.

I have the trailer level (but it's on a sloping driveway). I place the scale on a jack and lift it at the ball receiver until it is supported by the scale. Reads 320 #. I will do it again when I'm loaded for the next trip, and it will be on the street ( which is level ). I don't expect much difference if I've loaded the trailer properly.
If you are going to get a Sherline, get one with a gauge that reads to 1,000# or less, rather than 2,000#, which is less accurate and harder to read at the low end of the scale.
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Old 03-08-2013, 11:28 PM   #14
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Quote:
Originally Posted by gbaglo View Post
I don't see how one could use the Sherline while hooked up.

I have the trailer level (but it's on a sloping driveway). I place the scale on a jack and lift it at the ball receiver until it is supported by the scale. Reads 320 #. I will do it again when I'm loaded for the next trip, and it will be on the street ( which is level ). I don't expect much difference if I've loaded the trailer properly.
If you are going to get a Sherline, get one with a gauge that reads to 1,000# or less, rather than 2,000#, which is less accurate and harder to read at the low end of the scale.
I've read that the torsion bar suspension on the 19' influences weight measurements on non-level surfaces. On a driveway sloping downward toward the street, raising the tongue to level the trailer twists the torsion unit upwards and I believe that applies additional downward force on the tongue making it read heavier than it is. Weighing it again on a level surface will tell if this is true or not.
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Old 03-08-2013, 11:40 PM   #15
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A Sherline is used when not hooked up which is why I was referring to trying to be level in both instances.
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Old 03-09-2013, 12:05 AM   #16
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Quote:
Originally Posted by hotfishtacos View Post
I've read that the torsion bar suspension on the 19' influences weight measurements on non-level surfaces.
Got ya. I am weighing a 17 with single axle, so it's not an issue for me.
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Old 03-09-2013, 10:10 AM   #17
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I raise my front and place the Sherline under the ball couple on a cinder block and slowly lower the front onto the jack to get my reading. I do this several times as the Sherline, once pressure has been placed, will give you a reading, even after more pressure is exerted. Thus once I receive 2 more similar numbers I record. I also keep the trailer fairly level once it is on the scale for accuracy also.
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Old 03-09-2013, 10:34 AM   #18
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No, you don't weigh the tongue when the trailer is level using the Sherline or any other method. You weigh the tongue at the measurement of when it's being towed. Hook up the trailer to the tug, park in a level spot. Get a tape measure and measure from the ground to the top of the ball on the coupler. Unhook, use the Sherline (etc.) when the coupler is at the exact measurement. NOW you have an accurate tongue weight when towing.

Remember, the fulcrum takes affect. If you tow tongue down (or up) you will have a different tongue weight than if level. And I believe if you're going through all the effort to get a weight, you want it to be accurate.
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Old 03-09-2013, 07:59 PM   #19
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Donna, fudge brownie's information on having the trailer level for the tongue weight came from Reace (and so did mine, and from elsewhere).

I am sure you agree that the hitch set-up should be as level as possible. Reace has shown people that if they move the tongue up an inch or down an inch, they will get a very different tongue weight. The idea is to be level.

Using your directions, a person with an unlevel hitch would measure it and then use the unlevel measurement to get a second bad tongue weight. You would be putting your stamp of approval on an unlevel hitch. You are assuming that the hitch is level when it may not be. You have been doing this too long and you know too much.

If someone has a Sherline or can borrow one, it is a good opportunity to compare a Sherline scale weighing with the trailer level on level ground to the tongue weight obtained at truck scales. If the two weighings differ greatly, it likely indicates that something is up, or down, literally.
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Old 03-09-2013, 08:52 PM   #20
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In my case the ground is not level, but the trailer is ( as per the gauge on the side of the trailer ). So, I place the Sherline on my jack and lift it until I have a reading. Basically, I'm taking the weight off the blocks that the tongue rests on and placing that weight on the scale. I may raise the tongue 1/4 inch, doing that.
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