X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao103.cox.net ([68.230.241.43] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3548077 for flyrotary@lancaironline.net; Sun, 15 Mar 2009 11:51:03 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.43; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao103.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20090315155026.IURV4363.fed1rmmtao103.cox.net@fed1rmimpo02.cox.net> for ; Sun, 15 Mar 2009 11:50:26 -0400 Received: from wills ([68.105.85.56]) by fed1rmimpo02.cox.net with bizsmtp id TTqP1b0041CvZmk04TqRMD; Sun, 15 Mar 2009 11:50:25 -0400 X-Authority-Analysis: v=1.0 c=1 a=rllsz4S_hJYA:10 a=gf4pU5O05v4A:10 a=3oc9M9_CAAAA:8 a=bsATwsvZAAAA:8 a=fpd1_3tmLi_42sw6KSMA:9 a=y-rNOGLksCjcCPUQACmw55OLML0A:4 a=ziFrdkHw70AA:10 a=U8Ie8EnqySEA:10 a=B9aVBjJb6tlIj-es:21 a=ON2BZkwa9D0Savq9:21 a=Ia-xEzejAAAA:8 a=MP_20UxOAAAA:8 a=_oJR0VilAAAA:8 a=kSotnhSDTSjX3XecpNEA:9 a=aMl11y-Y_fVh5oN762gA:7 a=Os1Ui4z98ZMKdATCspC8cSw1CakA:4 a=AfD3MYMu9mQA:10 a=EzXvWhQp4_cA:10 X-CM-Score: 0.00 Message-ID: <002101c9a585$bff35b00$38556944@wills> From: "Mike Wills" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] IVO Prop Info. (Have you checked this out Mike?) Date: Sun, 15 Mar 2009 08:50:22 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01C9A54B.133EC1E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01C9A54B.133EC1E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Doug, I've been through the websites now - thanks for the links. Not an awful = lot of info on the prop but it does appear that the bottom line is it = works for him. I'm sure glad my cooling system appears to be working well from the = start. After 13 years of building I'm not sure I'd want to have to deal = with a bunch more work to actually make it all work. I'm also glad I went rotary rather than Subie. My wife's car is a 99 = Subaru Forrester. Just put $3000 into it to repair various oil leaks = that were an extreme fire hazard. Seems there is a pretty common problem = with oil leaks at the oil pump housing and also the head gaskets. With = just over 100K miles the oil pump, both heads, and both valve covers = were leaking. Every drop of oil that leaks out of this engine ends up on = the exhaust system creating a fire hazard. My buddy's Outback had = exactly the same problem at 60K miles. The shop that repaired mine does = a pretty good business in replacing Subie head gaskets. Due to the tight = confines the engine has to come out to replace them. Mike Wills RV-4 N144MW=20 ----- Original Message -----=20 From: DLOMHEIM@aol.com=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 14, 2009 6:20 AM Subject: [FlyRotary] IVO Prop Info. (Have you checked this out Mike?) Mike Wills, et. al: I have posted this info. on the list before but will do so again in = case some haven't seen it before... http://www.sdsefi.com/rv14.htm http://www.sdsefi.com/air9.html These go to the Ross Farnham's site in Canada and he has a lot of = great information that documents his trials and tribulations in = installing a Subie turbo in his RV-6A. He has been flying behind a = Subie with an IVO high pitch (45-105 blades vs. low pitch of 30-90) for = a number of years and is therefore a great source to e-mail if you have = questions on its' performance, routine maintenance requirements, etc. = He doesn't have a huge spinner on his installation but uses the stock = one from VAN's and can still hit 181 kts. wide open and burning a bunch = of fuel...=20 The top link (above) discusses the IVO performance as demonstrated in = a side by side flight comparison with a similar RV w/180 hp and Hartzell = CS prop. He found that the two were very similar in most of the = profiles flown. The bottom link is the "home page" to all his RV-6A = information and I found his cooling discussions and intake / exhaust = manifold fabrication pages a very interesting read... =20 Doug Lomheim 9A / 13B=20 OK City, OK -------------------------------------------------------------------------= ----- A Good Credit Score is 700 or Above. See yours in just 2 easy steps! ------=_NextPart_000_001E_01C9A54B.133EC1E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Doug,
 
 I've been through the websites now - thanks for the links. = Not an=20 awful lot of info on the prop but it does appear that the bottom line is = it=20 works for him.
 
 I'm sure glad my cooling system appears to be working = well from=20 the start. After 13 years of building I'm not sure I'd want to have = to deal=20 with a bunch more work to actually make it all work.
 
 I'm also glad I went rotary rather than Subie. My wife's car = is a 99=20 Subaru Forrester. Just put $3000 into it to repair various oil leaks = that were=20 an extreme fire hazard. Seems there is a pretty common problem with oil = leaks at=20 the oil pump housing and also the head gaskets. With just over 100K = miles the=20 oil pump, both heads, and both valve covers were leaking. Every drop of = oil that=20 leaks out of this engine ends up on the exhaust system creating a fire = hazard.=20 My buddy's Outback had exactly the same problem at 60K miles. The shop = that=20 repaired mine does a pretty good business in replacing Subie head = gaskets. Due=20 to the tight confines the engine has to come out to replace them.
 
Mike Wills
RV-4 N144MW 
----- Original Message -----
From:=20 DLOMHEIM@aol.com=20
Sent: Saturday, March 14, 2009 = 6:20=20 AM
Subject: [FlyRotary] IVO Prop = Info. (Have=20 you checked this out Mike?)

Mike Wills, et. al:
 
I have posted this info. on the list before but will do so again = in case=20 some haven't seen it before...
 
http://www.sdsefi.com/rv14.htm
 
http://www.sdsefi.com/air9.html<= /A>
 
These go to the Ross Farnham's site in Canada and he has a = lot of=20 great information that documents his trials and tribulations in=20 installing a Subie turbo in his RV-6A.  He has been flying behind = a Subie=20 with an IVO high pitch (45-105 blades vs. low pitch of 30-90) for = a=20 number of years and is therefore a great source to e-mail if you have=20 questions on its' performance, routine maintenance requirements, = etc.  He=20 doesn't have a huge spinner on his installation but uses the stock one = from=20 VAN's and can still hit 181 kts. wide open and burning a bunch of = fuel... 
 
The top link (above) discusses the IVO performance as = demonstrated=20 in a side by side flight comparison with a similar RV w/180 = hp and=20 Hartzell CS prop.  He found that the two were very similar = in most=20 of the profiles flown.  The bottom link is the "home page" to=20 all his RV-6A information and I found his cooling = discussions and=20 intake / exhaust manifold fabrication pages a=20 very interesting read...  
 
Doug Lomheim
9A / 13B 
OK City, OK
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