What dimension boards did you use and how did you place them (as a riser in front of the ramps (per AK's original post), or overlaying the ramps as an extension? I already have Rhino ramps, and intend to place back-to-back 2x4's at the ramps' front to raise the Z's front (sans air deflectors) enough to approach the ramps without any contact. AK built "steps" and said they were a bit too high, so I propose to simply lay two boards side-by-side in front of the ramps, with some rubber matting beneath the ramps to prevent sliding. What think thee?
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