and its not just the pitc either which is a factor check ou tthe section on the blades
it seems near the tip you do not want flat bottom airfoils at all see down load this article http://www.mh-aerotools.de/company/paper_1/epplerhepperle.htm phil ----- Original Message ----- From: "George M" <li...@hsweb.net> To: "KRnet" <kr...@mylist.net> Sent: Wednesday, June 21, 2006 8:29 PM Subject: Re: KR>need for speed > > > Mark Jones wrote: > I still think I need a higher pitched prop. > > Mark, > The solution may not be that easy as it sounds. Increasing pitch will > eat up HP together with engine's RPM. In fact with higher pitch you may > decrease top speed. I would start measuring how level your plane is at > top speed and compare all incidence angles to make sure that you are not > loosing speed due to drag. > > But checking new higher pitched prop is easy and I encourage you to try > it. > > George M > Cradle of Aviation, Long Island, NY > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.394 / Virus Database: 268.9.0/368 - Release Date: 16/06/2006 > > -- ---------------------------------------- I am using the free version of SPAMfighter for private users. It has removed 24967 spam emails to date. Paying users do not have this message in their emails. Get the free SPAMfighter here: http://www.spamfighter.com/len -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.0/368 - Release Date: 16/06/2006
