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Backing Up A Ramp

Ramp

We have a 35' toyhauler with a steep ramp door, too steep for the Spyder nose to clear the ground when backing in. I use a set of ramps on the front tires to raise the front tires level with the rear tire until there is clearance for the nose. The steepness of the ramp also limits the traction of the rear tire, so I've added a winch to help with the loading. I back it in at an angle to allow room for our Minitrailer to be stood on end in the corner of the garage. Gotta have all the toys!
 
There have been several comments about the steepness of the ramp. I'd try to find a way to lessen that. If possible, find a place to load/unload where the ground behind the hauler is higher than ground where the tires are.
 
So we're considering the purchase of a class A toy hauler to do some traveling. On the pictured model, it would improve access from the coach if the Spyder was backed into the garage. Any mechanical issues with backing up that incline?

Muleman1 - Don't know if you have already "done the deal" but I wanted to play with this a bit just to see what kind of numbers I would get. This is all based on the following assumptions:

Wheelbase of 67.5 inches (per BRP website)
Ground clearance of 4.5" (per BRP website)
Based on zero "hump" to assist
Based on trailer being level and approach surface being level
Absolute numbers shown - Ramp must be as long as if not longer than shown
Only deals with the "high center" effect - does NOT account for nose contact of the front beak

Use the table that I show. Measure the height of the toy hauler / trailer to the bed (at level). In order to not bottom out at 4.5" of ground clearance, the ramp must be as long as or longer than what the table shows. No guarantees but it might give you something to start with. Again, I just sort of wanted to play with this.
 

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Might be a bit of overkill...but in order to clear the nose on entry and clear the bottom at the transition into the trailer we came up with these. We need to add some sort of traction material on the center board. This past weekend ran into a bit of rain and a wet tire combined with a wet board..spun all the way up the ramp. Going in forward is alot easier (to me) than trying to back in.




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