Does anybody have any info about the CTV-Hiller-Ryan XC-142? It was an experimental V/STOL cargo transport from probably around the mid 1960s. I'm not sure if a prototype was ever built, but I did see a picture (drawn) of one. It was a 4 engined (turbo prop) a/c a little smaller than a C-130. The 4 engines and wing tilted to provide lift. It also had a smaller prop right behind the tail to provide additional lift. (not sure if it had it's own engine or was driven by the main engines via a shaft--probably the latter)
Anyhow, any info or pics would be much appreciated.
P.S. Not sure if I should ask this in the military forum as I'm not sure if this is a military a/c or not.