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
....round steel tubes vs. square: one resists torsional twisting; one resists load bearing when horizontal. But every application is complex, and situational.
....just adding to Matt's excellent explanation:
Also, remember that putting a (pay)load in a truck will drop the truck (and bed) from a few fractions of an inch, to 2 or 3 or more inches in the rear. Measure the slope of your truck bed before applying the truck camper load.....then after. The unloaded truck bed will sit quite a bit higher in the rear, and if your truck camper nose is a bit low, when you pull the truck forward whilst unloading, the rear bed surface may "beach", potentially severely "bending" the jack leg(s).....
....just adding to Matt's excellent explanation:
Also, remember that putting a (pay)load in a truck will drop the truck (and bed) from a few fractions of an inch, to 2 or 3 or more inches in the rear. Measure the slope of your truck bed before applying the truck camper load.....then after. The unloaded truck bed will sit quite a bit higher in the rear, and if your truck camper nose is a bit low, when you pull the truck forward whilst unloading, the rear bed surface may "beach", potentially severely "bending" the jack leg(s).....
