Nostalgia leads to a Slope Soaring designBy Bill O’Keefe phantom917@gmail.com Photos by the authorI became involved in RC in the early 1970s and flew Slope Soaring gliders from a bluff overlooking the Pacific Ocean. Those gliders were fairly tame, and I wanted something hotter. My wish was granted when I built my first Ron Neal-designed Gryphon.It was a flying wing with a futuristic look to it. It could roll, loop, and fly inverted all day long. One thing I didn’t appreciate until later was its enormous wing area. It could fly in the gentlest of breezes and scoot right along over the top of…