Often it all depends on the engine. More powerful engine, more blades.

Here is a Tante Ju with two blade props.

http://cdn-www.airliners.net/aviatio.../7/1365704.jpg

Waldo.


On Fri, 04 Jul 2008 13:53:51 GMT, "Alan Erskine"
wrote:

Superb! Only thing; I thought the Ju52 had three-bladed props. Other than
that, it's an excellent model.