RE: Super prop plane
To answer your question John,YES! My youngest brother had a House of Balsa AT6 that was a 10 sized plane,with a OS32 helicopter engine in it ,that was fast enough to creat the twin vapor contrails off each wing tip in flight when doing a sharp turn. The first time it did it,we all yelled LAND NOW! your covering just ripped off. On inspection after he landed,there was no covering missing. We had him fly it again,and low and behold,it did it every time he made a full power high speed turn. I dont recommend doing it to many times as we found out one day,it over stressed the wind dowl and snapped the former in two,causing a very nice,fast and deep divot in the runway!
So yes it is possable to create the contrails with a prop driven plane,but not recommended. A bit more info on the plane here to help everyone under stand how over powered it was.
Plane full up weight ( plane,motor,fuel,and radio gear) weighed in at just under 2 pounds
Wingspan was 32 inches
Fuse length was 29 inches
Prop was a master airscrew 8/6
No landing gear,was hand launched holding full right rudder and aileron,landed on belly in grass after engine was off.
Hope this info helps
Art