Mailing List flyrotary@lancaironline.net Message #38025
From: al p wick <alwick@juno.com>
Subject: Re: [FlyRotary] Re: Single rotor video
Date: Fri, 22 Jun 2007 10:31:54 -0700
To: <flyrotary@lancaironline.net>
Message
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 <geryvon@videotron.ca> writes:
I simply cannot find the slow motion feature on my PC. Pls help! Yvon.
----- Original Message -----
From: al p wick
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" <rusty@radrotary.com> 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. 
 
 
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
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