Happijacs, what will happen if.........
When reading about the operation of my happijac electric camper jacks, it stated numerous places, "Never raise the back of the camper higher than the front". Why? Is the location of the front jacks...
Forum Discussion
The center of gravity is roughly 1/3 of the way back on the camper floor on most campers. It will not topple.
But the jacks are not designed to take a lot of side (right/left/fwd/aft) loads. As far as I see it, you would create a forward momentum on the front jacks which would try to bend them backwards. They are under a lot of stress as is and don't have a lot of reserves. A jack mount might fail or a jack leg might bend, or a jack might loose footing and slide away. In which case you will end up with a buckled jack and a camper on the front or side...
(Sorry for potentially botched non-engineering language. Not an engineer, and not a native english speaker at this end)
But the jacks are not designed to take a lot of side (right/left/fwd/aft) loads. As far as I see it, you would create a forward momentum on the front jacks which would try to bend them backwards. They are under a lot of stress as is and don't have a lot of reserves. A jack mount might fail or a jack leg might bend, or a jack might loose footing and slide away. In which case you will end up with a buckled jack and a camper on the front or side...
(Sorry for potentially botched non-engineering language. Not an engineer, and not a native english speaker at this end)
