Mine was more of a hey ya'll watch this design. I built an "H" frame under the beams with cradles on the ends, pinned it to the trailer so it would tilt, and then emailed bansbach.com with the frame dimensions and the weight I wanted to lift. They recommended which gas struts to purchase and where to mount them. You could lift/tilt the boat with one hand when it was finished...

Here's the video - https://www.youtube.com/watch?v=9PsAZADGRm0