Originally Posted by
JammedStab
I'm not sure. In the cold season, I always overnighted in locations where the engines were plugged in with blankets wrapped around the engines to keep them warm. Only tried to hold a prop once on start and it seemed like it would be difficult to do so for very long with the engine spooled up to idle.
I can tell you it isn't a problem. Used to torture my old boss, run underneath the porter and make him think he forgot the prop tie... Yes, yes I am!!!