It is not necessarily the 'sound' but the 'speed of sound'... tip speeds high enough to exceed the speed of sound also affect the airfoil's (prop not wing) ability to perform.
At least that is what I've heard. Mark W. N952MW -----Original Message----- From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf Of Phillip Hill Sent: Sunday, August 05, 2012 7:01 PM To: KRnet Subject: Re: KR> RE: 2300 Propellor The 'p' tip on the Prince prop does improve performance and is quieter. On Aug 5, 2012 6:54 PM, "Brian and Sue Deveson" <sbdeve...@bigpond.com> wrote: Hi, What about the different tip shapes being used these days. Does that help in reducing the tip sound on props of bigger diameters? I'm not sure of this question as well, I have heard of props that have multiple pitches set along the blades that work better at different RPM's. I understand that most fixed pitch propellers have a constant pitch along the blade. Thank you Brian Bundaberg Aust. ----- Original Message ----- From: <phill.h...@gmail.com> To: "KRnet" <kr...@mylist.net> Sent: Mond... _______________________________________ Search the KRnet Archives at http://tugantek.com/archmailv2-... _______________________________________ Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. To UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html
