X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from m12.lax.untd.com ([64.136.30.75] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with SMTP id 2134052 for flyrotary@lancaironline.net; Fri, 22 Jun 2007 13:34:43 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.30.75; envelope-from=alwick@juno.com Received: from m12.lax.untd.com (localhost [127.0.0.1]) by m12.lax.untd.com with SMTP id AABDH2B85ARZKPBS for (sender ); Fri, 22 Jun 2007 10:33:15 -0700 (PDT) X-UNTD-OriginStamp: L941HVjjYzDhN3itp//mkP9Yk/H5GrzAq1f17OEIlvqrTmWpJjWOMA== Received: (from alwick@juno.com) by m12.lax.untd.com (jqueuemail) id MQUWXUU9; Fri, 22 Jun 2007 10:32:46 PDT To: flyrotary@lancaironline.net Date: Fri, 22 Jun 2007 10:31:54 -0700 Subject: Re: [FlyRotary] Re: Single rotor video Message-ID: <20070622.103205.3740.8.alwick@juno.com> X-Mailer: Juno 5.0.49 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=--__JNP_000_40ca.59be.42c3 X-Juno-Line-Breaks: 8-6,10-12,14,16-20,22-30,34-35,37-38,41-46,48,50-54,56-58,62-63,67-68,76-77,80-91,93,95-101,103,105-106,107-32767 From: al p wick X-ContentStamp: 26:13:63272312 X-MAIL-INFO:579d9db97101a180d90509b9f509d53138391109306deddd7130113930cd302574ad19559d15b9b5b9857104d5b00d048001a5ad2451c9d0b4b12494942499d140d570f0b01d591090b070f9e9f9d0c4e161f97d65a900b12450a975244924497550b454fdd114456d41387000656dd45db5115d5d007430c4458504797474e9555dd535a455391409c1258031b9440d09f9013d81e0193080092900ade9e14de1b05d2084e4cd95e0f1f0f070c08d004561592d354409a065b49994f40d35a951d41d40b140300131ed40 X-UNTD-Peer-Info: 127.0.0.1|localhost|m12.lax.untd.com|alwick@juno.com This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ----__JNP_000_40ca.59be.42c3 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I just happened across the feature. After I played it, I hit the wrong button to rewind on pc. It caused it to move just a couple frames. I used that function after pausing video. I suppose it would vary with what type player you have on your pc. What player do you have? -al wick Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam timing. Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon Glass panel design, Subaru install, Prop construct, Risk assessment info: http://www.maddyhome.com/canardpages/pages/alwick/index.html On Fri, 22 Jun 2007 11:33:04 -0400 Yvon Cournoyer writes: I simply cannot find the slow motion feature on my PC. Pls help! Yvon. ----- Original Message ----- From: al p wick To: Rotary motors in aircraft Sent: Monday, June 04, 2007 9:56 PM Subject: [FlyRotary] Re: Single rotor video What a great video. I ran it in slow motion. At one point I had impression that blade had flexed far enough to hit trailer! I would be very concerned for blade flex unless I had clear proof it has no long term effect. Check out the movement of wires and hoses. Makes you appreciate the import of adding supports and wire ties. I was curious if video from in front would show the same effects. If it doesn't, possibly cause is related to fore/aft blade support. Not likely, but worth checking. Excellent analysis tool, video. Good work. -al wick Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam timing. Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon Glass panel design, Subaru install, Prop construct, Risk assessment info: http://www.maddyhome.com/canardpages/pages/alwick/index.html On Mon, 4 Jun 2007 10:16:16 -0500 "Russell Duffy" writes: Greetings, I made a short video yesterday of a single rotor run. The purpose was to demonstrate and document the prop tip behavior with the stock rubber coupler/damper, so I can see if it gets any better with the new softer one. As you can see, it gets pretty wild at times, particularly when changing rpms. I'm not sure this is completely abnormal though, because I've watched the Subaru engines on the RAF2000 gyro do the exact same thing. They even have a bit of tip wandering too, so some of this may be OK. During the video, you'll hear me say 2600 rpm, and at that point, the tips are wandering fore and aft a bit. The next rpm tested was 3500, and it appears fairly smooth. You'll note that my throttle control doesn't have much friction, and closes itself if I don't hold it. By the time I say 3500 rpm into the camera, you can see that the engine has slowed down considerably, so 3500 is the point where I get up to come back to the camera, not when I say 3500. For that reason, 4000 rpm became a hand signal, and appears perfectly smooth. The video is 60 MB, so not for the dialup crowd unless you download it overnight. Also, if there's more traffic than I expect, I may have to shut the link down to preserve my web space quota for the month. http://www.radrotary.com/WL_original_damper.wmv Rusty -al wick Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam timing. Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon Glass panel design, Subaru install, Prop construct, Risk assessment info: http://www.maddyhome.com/canardpages/pages/alwick/index.html -al wick Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam timing. Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon Glass panel design, Subaru install, Prop construct, Risk assessment info: http://www.maddyhome.com/canardpages/pages/alwick/index.html ----__JNP_000_40ca.59be.42c3 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: quoted-printable Message
I just happened across the feature. After I played it, I hit the wrong= =20 button to rewind on pc. It caused it to move just a couple frames. I used = that=20 function after pausing video. I suppose it would vary with what type player= you=20 have on your pc. What player do you have?

-al wick
Cozy IV powered by Turbo Subaru 3.0R with variable = valve=20 lift and cam timing.
Artificial intelligence in cockpit, N9032U 240+ = hours=20 from Portland, Oregon
Glass panel design, Subaru install, Prop construct= ,=20 Risk assessment info:
http:= //www.maddyhome.com/canardpages/pages/alwick/index.html
 
On Fri, 22 Jun 2007 11:33:04 -0400 Yvon Cournoyer <geryvon@videotron.ca> writes:
I simply cannot find the slow = motion=20 feature on my PC. Pls help! Yvon.
----- Original Message -----
= From:=20 al p wick
To: Rotary motors in aircraft=20
Sent: Monday, June 04, 2007 9:56= =20 PM
Subject: [FlyRotary] Re: Single = rotor=20 video

What a great video. I ran it in slow motion. At one point I had=20 impression that blade had flexed far enough to hit trailer! I would be = very=20 concerned for blade flex unless I had clear proof it has no long term=20 effect.
 
Check out the movement of  wires and hoses. Makes you = appreciate=20 the import of adding supports and wire ties.
 
I was curious if video from in front would show the same = effects.=20 If it doesn't, possibly cause is related to fore/aft blade support= . Not=20 likely, but worth checking.
 
Excellent analysis tool, video. Good work.
 
 
On Mon, 4 Jun 2007 10:16:16 -0500 "Russell Duffy" <rusty@radrotary.com> writes:=
Greetings,
 
I made a = short video=20 yesterday of a single rotor run.  The purpose was to demonstrate= and=20 document the prop tip behavior with the stock rubber coupler/damper, = so I=20 can see if it gets any better with the new softer one.  =20
 
As you can = see, it=20 gets pretty wild at times, particularly when changing rpms.  I'm= not=20 sure this is completely abnormal though, because I've watched the = Subaru=20 engines on the RAF2000 gyro do the exact same thing.  They even = have=20 a bit of tip wandering too, so some of this may be OK.=20
 
During the = video,=20 you'll hear me say 2600 rpm, and at that point, the tips are = wandering=20 fore and aft a bit.  The next rpm tested was 3500, and it = appears=20 fairly smooth.  You'll note that my throttle control doesn'= t=20 have much friction, and closes itself if I don't hold it.  By = the=20 time I say 3500 rpm into the camera, you can see that the engine has= =20 slowed down considerably, so 3500 is the point where I get up to come= back=20 to the camera, not when I say 3500.  For that reason, 4000 = rpm=20 became a hand signal, and appears perfectly smooth. =20    
 
The video is= 60 MB,=20 so not for the dialup crowd unless you download it overnight.  = Also,=20 if there's more traffic than I expect, I may have to shut the link = down to=20 preserve my web space quota for the month. 
 
http://www.= radrotary.com/WL_original_damper.wmv
 
Rusty=20
 
 
 
 
 

-al wick
Cozy IV powered by = Turbo=20 Subaru 3.0R with variable valve lift and cam timing.
Artificial=20 intelligence in cockpit, N9032U 240+ hours from Portland, Oregon
= Glass=20 panel design, Subaru install, Prop construct, Risk assessment=20 info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html<= BR>
 

-al wick
Cozy IV powered by Turbo = Subaru=20 3.0R with variable valve lift and cam timing.
Artificial intelligence = in=20 cockpit, N9032U 240+ hours from Portland, Oregon
Glass panel design, = Subaru=20 install, Prop construct, Risk assessment=20 info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html
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