The dome is the part that contains the gears that twist the blades and it can be used to wrap a rope around as a method of starting the engine.
really give you enough leverage to turn the prop, without damaging the dome?
You would need a sledge hammer to damage the dome.
And how many revolutions of the prop should you reasonably be able to expect before the engine catches?
That depends on a lot of factors such as temperature and how you have primed it.
Oh, and is this with passengers watching, so do you have to keep your cool and look like you know what you're doing, or not?
In cases where you use this method to start one the last thing on your mind is what the passengers think.
By the way a snow machine makes for less work in the starting process....now lets let the experts have a go at this.
