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How to Calculate the Weight of the Ramp to Make Sure Door Spring is Correct  

Question:

Hello, I have roughly a 8x8 ramp door. How do I go about ing the correct lift requirements? Do I wiegh the door at the tail on the ground while hinged to the trailer to figure out the correct spring wieght? It does not currently have any assist.

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Expert Reply:

To test the weight of your ramp door, you will want to get the door all the way down to the ground and then on a scale of some kind (a bathroom scale can be used for this if it's the only thing available). This will be when the door is at its heaviest point. As long as this weight is 230 pounds or less, the TRC Conventional Ramp Door Spring for 8' Wide Enclosed Trailer # 362SA8HD will be a great option and will definitely make lifting the ramp significantly easier.

With that being said, it is recommended that only individuals who have experience winding torsion springs install this product. If you have not worked with a torsion spring system before, we recommend contacting a local garage door company to install this system.

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Lazer S

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