Chrissi, There is a link in the email below about how to determine what pitch/diameter prop is needed.. Thought you might like to read it when time permits. I have not been in the site but will later tonight.
Ron Another email coming with Cowling Photos.. Cannot remember if I sent them to you or not.. Still have to find out what it is for?? I think it is a Sonerai. > You should remember that diameter and pitch are only > 2 parameters to > affect prop performance. > > The prop pitch just tells you the maximum > theoretical air speed the > prop can pull at given revs - it doesn't tell you > how much oomph you > need to spin it. > > If you want to investigate the perfect prop for your > set of > circumstance, have a look at > http://www.mh-aerotools.de/airfoils/javaprop.htm > > You can use the gadget to size the prop to suit your > own requirements, > the only problem is there ain't anyone out there who > will offer you an > off the shelf prop to perfectly match your > specification, but it will at > least allow you to ask the correct questions and > pick a prop that is > gonna get close to what you want. >
