Nice. I've gotta try that. Todd On Fri, Nov 16, 2018, 10:07 Bobby J. Hughes bhughes@qnsi.net, <flyrotary@lancaironline.net> wrote:Steve, Actually I was joking. I was amazed how little vibration the airframe had so I shot a video of the water bottle. I will have a look at VibSensor. It will be interesting to see the results. Bobby From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Friday, November 16, 2018 11:05 AMTo: Rotary motors in aircraftSubject: [FlyRotary] Re: Rough running Rotary? There is a free app called VibSensor that runs on both android and I-phone/pad platforms. Although not a research quality system, running the app and holding the device firmly against a surface of interest will give objective results. This may give a basis for useful comparisons for the terminally curious.In my case, dynamically balancing the MT prop and the flex plate-damper combination as separate units made a noticeable difference in the system vibration signature.Steve Boese On Nov 16, 2018, at 8:25 AM, Bobby J. Hughes bhughes@qnsi.net <flyrotary@lancaironline.net> wrote:◆ This message was sent from a non-UWYO address. Please exercise caution when clicking links or opening attachments from external sources. This may waste 18 seconds of your life! https://www.dropbox.com/s/91bc9m56x4boktl/Smooooth.MOV?dl=0 Bobby
Steve, Actually I was joking. I was amazed how little vibration the airframe had so I shot a video of the water bottle. I will have a look at VibSensor. It will be interesting to see the results. Bobby From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Friday, November 16, 2018 11:05 AMTo: Rotary motors in aircraftSubject: [FlyRotary] Re: Rough running Rotary? There is a free app called VibSensor that runs on both android and I-phone/pad platforms. Although not a research quality system, running the app and holding the device firmly against a surface of interest will give objective results. This may give a basis for useful comparisons for the terminally curious.In my case, dynamically balancing the MT prop and the flex plate-damper combination as separate units made a noticeable difference in the system vibration signature.Steve Boese On Nov 16, 2018, at 8:25 AM, Bobby J. Hughes bhughes@qnsi.net <flyrotary@lancaironline.net> wrote:◆ This message was sent from a non-UWYO address. Please exercise caution when clicking links or opening attachments from external sources. This may waste 18 seconds of your life! https://www.dropbox.com/s/91bc9m56x4boktl/Smooooth.MOV?dl=0 Bobby
Steve,
Actually I was joking. I was amazed how little vibration the airframe had so I shot a video of the water bottle. I will have a look at VibSensor. It will be interesting to see the results.
Bobby
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Friday, November 16, 2018 11:05 AMTo: Rotary motors in aircraftSubject: [FlyRotary] Re: Rough running Rotary?
There is a free app called VibSensor that runs on both android and I-phone/pad platforms. Although not a research quality system, running the app and holding the device firmly against a surface of interest will give objective results. This may give a basis for useful comparisons for the terminally curious.
In my case, dynamically balancing the MT prop and the flex plate-damper combination as separate units made a noticeable difference in the system vibration signature.Steve Boese
On Nov 16, 2018, at 8:25 AM, Bobby J. Hughes bhughes@qnsi.net <flyrotary@lancaironline.net> wrote:
◆ This message was sent from a non-UWYO address. Please exercise caution when clicking links or opening attachments from external sources. This may waste 18 seconds of your life! https://www.dropbox.com/s/91bc9m56x4boktl/Smooooth.MOV?dl=0 Bobby
◆ This message was sent from a non-UWYO address. Please exercise caution when clicking links or opening attachments from external sources.
This may waste 18 seconds of your life!
https://www.dropbox.com/s/91bc9m56x4boktl/Smooooth.MOV?dl=0