Trailer Ramp Spring Adjustment

Have two new cables and know how they came off the drums.

Trailer ramp spring adjustment. Page 1 of 2 trailer ramp door torsion spring winding posted in trailer talk. A trailer ramp spring is installed at the hinge mount where a ramp connects to the trailer in order to make it easier for the ramp to be lifted up or lowered down. A typical horse trailer or utility trailer ramp uses 3 4 inch hinge pins and would require two ramp springs with a 3 4 inch inner diameter. The springs used for trailer ramps doors hatches gates and lids are torsion springs.

Trailer ramp springs are heavy duty torsion springs which work as a lift assist to take the majority of weight off of the gate ramp lid. I have a 7 enclosed trailer with rear ramp door that has 2 torsion springs. Cables are wound on drum and 1 shaft is clamped with vise grips to prevent. The ends of torsional springs are known as legs for the wire on the end coils sticks out as if it were a lever.

If you are looking for trailer ramp springs that will make raising and lowering heavy trailer ramps easier wermke spring can help. 1 1 2 shaft 7180085. Big tex lh torsion ramp spring 90 deg. You will find that design assistance here in this article.

The winding pucks face each other. Pj trailer black painted torsion ramp spring with 90 degree leg angle is designed for a shaft no larger in diameter then 1 3 4. Initial fabrication of trailer ramp assist spring. The the torsion spring legs are what allow for your gate ramp door hatch.

These springs are made up of round wire helically wound to make coils. Stock 7107108 big tex plain finish left hand torsion ramp spring with 90 degree leg angle is designed for a shaft no larger in. Zinc plated finish. Hinge latch door closer trailer miscellaneous stove spring handle spring.

When starting a new torsional trailer spring design you must know the following parameters.