X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTP id 5738347 for flyrotary@lancaironline.net; Fri, 31 Aug 2012 11:56:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=2.0 cv=Dp/UCRD+ c=1 sm=0 a=g3L/TDsr+eNLfIieSKfGkw==:17 a=AHkS0RJitIMA:10 a=InldE9ZqYiAA:10 a=05ChyHeVI94A:10 a=NyYtmQ0Ku2sA:10 a=ayC55rCoAAAA:8 a=C_IRinGWAAAA:8 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=pcLIrrrKAAAA:8 a=69EAbJreAAAA:8 a=oCcaPWc0AAAA:8 a=-jNBh11UlwHuh92WGnIA:9 a=QEXdDO2ut3YA:10 a=si9q_4b84H0A:10 a=MSl-tDqOz04A:10 a=EzXvWhQp4_cA:10 a=ftFGBYpk1mUA:10 a=EfJqPEOeqlMA:10 a=HZJGGiqLAAAA:8 a=4PR2P7QzAAAA:8 a=o0IPe6R0c3GttZYrZ8sA:9 a=_W_S_7VecoQA:10 a=frz4AuCg-hUA:10 a=tXsnliwV7b4A:10 a=HeoGohOdMD0A:10 a=djSSOgbfo6cA:10 a=g3L/TDsr+eNLfIieSKfGkw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.170.10 Received: from [174.110.170.10] ([174.110.170.10:57177] helo=EdPC) by cdptpa-oedge02.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 0B/B8-13948-87ED0405; Fri, 31 Aug 2012 15:55:37 +0000 Message-ID: <354F471FDA2E477ABB70094D746E7911@EdPC> From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: FIRST FLIGHT N655HC Date: Fri, 31 Aug 2012 11:55:39 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0030_01CD876F.8A306740" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_0030_01CD876F.8A306740 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Congratulations David, I would completely seal any leaks around the sides or anyplace else that = could leak between duct inlet and radiator. I read someplace that a = 1/2"square hole could cost you 20% of your cooling effectiveness. =20 A gent who once sold Subaru engine installations tried just sticking the = radiator in back of the opening (no ducting) - did not cool. Yes, I find that getting the airflow up as soon as safely possible will = help a great deal in keeping temps down and bring them back down = quickly. My magic airspeed after take off is 120 MPH IAS then a 140 IAS = for climbout. Looking forward to more reports Ed From: Ernest Chrisltey=20 Sent: Friday, August 31, 2012 11:01 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: FIRST FLIGHT N655HC Congratulations, David. I hope to be following you soon. Are you able to cool on the ground? What did you do to improve the = cooling between the two flights? On 08/30/2012 10:48 PM, hoursaway1@comcast.net wrote: Thanks Mark, it was kind of anti-climatic for the others on the ground = because they already saw that last month, but for me seeing the temps = coming down at about the same stage as Terry saw them still climbing was = comforting. I'm setting up a video camera to record the panel so I can = focus on flying for now until I get more comfortable. We have a 100 = mile radius to work with & I asked for & was granted a crew member = during the flights that computer tuning will be worked on. Tryed to get = a stewardess also but FAA said no. ???? Yes I read Ed's procedure = for takeoff & our sys. is very similar so will use for next flights. = Terry is a member of our EAA Chapter 55 here in Mason MI, his dad just = flew his 400 th Young Eagle. = ( where is that stewardess with my Margarita ) David. -------------------------------------------------------------------------= ----- From: "Mark Steitle" To: "Rotary motors in aircraft" Sent: Thursday, August 30, 2012 7:44:53 PM Subject: [FlyRotary] Re: FIRST FLIGHT N655HC David, =20 Congrats!!! Job well done. Terry Lutz... WOW! =20 What was the OAT? I start to get nervous when my coolant temp goes = above 200 F. No reason to climb at WOT if not needed and OAT is high. =20 Mark S. =20 On Thu, Aug 30, 2012 at 6:07 PM, wrote: First flight for me anyhow not for the aircraft, Terry Lutz ( AKA;; = world renowned professional test pilot, flew in from France to do the = First, First flight ) Temps went;; coolant 221 F max, oil 210 F max, on full = throttle clime out up to 2000 ft., powered back from 6300 rpm to 5000 = rpm/135 mph indicated, push the nose over to level off, pulled power = back to 4500 rpm ( made no prop pitch changes at this time ) temps = went down to;; coolant 195 F, oil 190 F, this is without therm. & = bypass blocked, also would like comments about sealing around sides of = both radiators, we saw the extra fins there so we allowed air to pass = through that area, may install a temp seal & recheck data points next = flight. Then possibly install venting openings in bottom of cowl to let = more airflow out quicker. David R. Cook RV6A Rotary. -------------------------------------------------------------------------= --- From: "Joseph Pirch" To: hoursaway1@comcast.net, "rv man2010" Sent: Wednesday, August 29, 2012 8:40:58 PM [image/jpeg:photo.JPG] Sent from my iPad No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2197 / Virus Database: 2437/5237 - Release Date: = 08/31/12 ------=_NextPart_000_0030_01CD876F.8A306740 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Congratulations David,
 
I would completely seal any leaks around the = sides or=20 anyplace else that could leak between duct inlet and radiator.  I = read=20 someplace that a 1/2"square hole could cost you 20% of your cooling=20 effectiveness. 
 
A gent who once sold Subaru engine installations = tried=20 just sticking the radiator in back of the opening (no ducting) - did not = cool.
 
Yes, I find that getting the airflow up as soon = as safely=20 possible will help a great deal in keeping temps down and bring them = back down=20 quickly.  My magic airspeed after take off is 120 MPH IAS then a = 140 IAS=20 for climbout.
 
Looking forward to more reports
 
Ed
 
 

Sent: Friday, August 31, 2012 11:01 AM
Subject: [FlyRotary] Re: FIRST FLIGHT = N655HC

Congratulations, David.  I hope to be = following=20 you soon.

Are you able to cool on the ground?  What did you = do to=20 improve the cooling between the two flights?


On 08/30/2012 = 10:48 PM,=20 hoursaway1@comcast.net = wrote:
Thanks Mark,=20 it was kind of anti-climatic for the others on the ground because they = already=20 saw that last month, but for me seeing the temps coming down at about = the same=20 stage as Terry saw them still climbing was comforting.  I'm = setting up a=20 video camera to record the panel so I can focus on flying for now = until I get=20 more comfortable.  We have a 100 mile radius to work with = & I=20 asked for & was granted a crew member during the flights=20 that computer tuning will be worked on.  Tryed to get a = stewardess=20 also but FAA said no.  ????    Yes I read Ed's = procedure=20 for takeoff & our sys. is very similar so will use for next=20 flights.  Terry is a member of our EAA Chapter 55 here in = Mason=20 MI,  his dad just flew his 400 th Young=20 = Eagle.           &= nbsp;           &n= bsp;           &nb= sp;      =20         (  where is that = stewardess=20 with my Margarita = )         =20 David.

From: "Mark Steitle" <msteitle@gmail.com>
T= o:=20 "Rotary motors in aircraft" <flyrotary@lancaironline.n= et>
Sent:=20 Thursday, August 30, 2012 7:44:53 PM
Subject: = [FlyRotary] Re:=20 FIRST FLIGHT N655HC

David, =20

Congrats!!!  Job well done.  Terry Lutz... WOW! =  

What was the OAT?  I start to get nervous when my coolant = temp goes=20 above 200 F.  No reason to climb at WOT if not needed and OAT is = high.=20  

Mark S.   

On Thu, Aug 30, 2012 at 6:07 PM, <hoursaway1@comcast.net> = wrote:
First flight for = me anyhow=20 not for the aircraft, Terry Lutz ( AKA;;  world renowned = professional=20 test pilot, flew in from France to do the First, First flight = )
Temps=20 went;;   coolant 221 F  max,  oil 210 F  = max, =20 on full throttle clime out up to 2000 ft., powered back from 6300 = rpm to=20 5000 rpm/135 mph indicated, push the nose over to level off, pulled = power=20 back to 4500 rpm  ( made no prop pitch changes at this time=20 )   temps went down to;;   coolant 195 F,  = oil 190=20 F,  this is without therm. & bypass blocked, also would = like=20 comments about sealing around sides of both radiators, we saw the = extra fins=20 there so we allowed air to pass through that area, may install a = temp seal=20 & recheck data points next flight. Then possibly install venting = openings in bottom of cowl to let more airflow out = quicker.  =20 David  R. Cook  RV6A  Rotary.
From: "Joseph Pirch" <pirch@sbcglobal.net>
To:=20 hoursaway1@comcast.net, "rv man2010" = <rv.man2010@hotmail.com>
Sent:=20 Wednesday, August 29, 2012 8:40:58=20 = PM





[image/jpeg:photo.JPG]




Sent = from my=20 iPad


No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / = Virus=20 Database: 2437/5237 - Release Date: 08/31/12

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