X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 1 [X] Return-Path: Received: from ms-smtp-02.southeast.rr.com ([24.25.9.101] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTP id 1695157 for flyrotary@lancaironline.net; Wed, 20 Dec 2006 13:30:06 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-100-190.carolina.res.rr.com [24.74.100.190]) by ms-smtp-02.southeast.rr.com (8.13.6/8.13.6) with SMTP id kBKIT3kn007329 for ; Wed, 20 Dec 2006 13:29:04 -0500 (EST) Message-ID: <001c01c72464$ba5bb3d0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" Subject: Radical Prop Was C/S Date: Wed, 20 Dec 2006 13:29:03 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C7243A.D1264DC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C7243A.D1264DC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Look under heading BiPlanes in the below URL and there a pilot reports = a 20 mph increase using the radical Lipps propeller over a more = conventional prop - again, my point is better ways may be more a matter = of looking at fresh ideas about props and controllers rather than = accepting what has been. http://www.avweb.com/eletter/archives/avflash/291-full.html I believe this prop is optimized for high speed flight, and while I am = certain I don't fully understand the total reason why, part of the = reason it is faster appears to be that it can develop thrust right down = the hub if the airspeed (prop advance?) is high enough. Also the = developer takes issue with the standard "broad" tips on props. etc. =20 However, it may not provide the same amount of increase over my current = prop due to the slower airspeeds I flight - but hey, even 10 MPH = increase would be interesting. FWIW Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.dmack.net/mazda/index.html ------=_NextPart_000_0019_01C7243A.D1264DC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
Look under heading BiPlanes in the below URL =  and=20 there a pilot reports a 20 mph increase using the radical Lipps = propeller over a=20 more conventional prop - again, my point is better ways may be more a = matter of=20 looking at fresh ideas about props and controllers rather than accepting = what=20 has been.
 
http= ://www.avweb.com/eletter/archives/avflash/291-full.html
 
I believe this prop is optimized for high=20 speed flight, and while I am certain I don't fully understand the = total=20 reason why, part of the reason it is faster appears to be that it can = develop=20 thrust right down the hub if the airspeed (prop advance?) is high = enough. =20 Also the developer takes issue with the standard "broad" tips on props.=20 etc. 
 
 
However, it may not provide the same amount of = increase=20 over my current prop due to the slower airspeeds I flight - but hey, = even 10 MPH=20 increase would be interesting.
 
FWIW
 
 
Ed Anderson
Rv-6A N494BW Rotary = Powered
Matthews,=20 NC
eanderson@carolina.rr.comhttp:/= /members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda= /index.html
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