RC Hobby Guys
Dynaflite PT 19
Here are a few pictures of my Dynaflite
PT 19.  It flew the first half a dozen
flights on a Ryobi converted string
trimmer engine.  It flew very
realistically.  Slow and with no reserve
power.
I then replaced the Ryobi with a US 41
engine.  The airplane flies beautifully
now.