Hello Paul, Is a four blade propeller ok on the 13B. Is there are
pulse problems there. Regards Don


--
Best regards,
 ddunbar                          mailto:ddunbar@echidna.id.au

AN> Four blade will work. You will trade better climb for lower top
AN> speed.

AN> Paul Lamar

AN> The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
AN> ACRE NL web site. http://home.earthlink.net/~rotaryeng/
AN> Copyright 1998-2002 All world wide rights reserved.

Paul there is a company in New Zealand that make a Four blade prop
that has electric variable in flight. The price is around $5400.00 US.
It has carbon fibre blades and alloy hub, it looks good.

--
Best regards,
 ddunbar                            mailto:ddunbar@echidna.id.au

The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2002 All world wide rights reserved.