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Old Jul 17, 2012, 09:47 AM
Wherever you go there you are
7oneWo1f's Avatar
United States, MN, Minneapolis
Joined Nov 2011
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I found this frame grab interesting.
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Last edited by 7oneWo1f; Aug 05, 2012 at 12:31 PM.
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Old Jul 17, 2012, 12:20 PM
TEAM EXTREME!
danielph's Avatar
High Prairie, WA
Joined Nov 2007
1,713 Posts
Did you balance that prop?
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Old Jul 17, 2012, 12:41 PM
Not as Good as The Kid
Aeroplayin's Avatar
South Pasadena, FL
Joined Sep 2009
6,201 Posts
Looks like the new Pitchfork Xoar.
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Old Jul 17, 2012, 12:44 PM
Facts, Logic, 3D
Tom K.'s Avatar
Florida
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Poseiden called, he wants his prop back...

--Tom K.
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Old Jul 17, 2012, 04:46 PM
Wherever you go there you are
7oneWo1f's Avatar
United States, MN, Minneapolis
Joined Nov 2011
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Clever captions...

I did balance the prop. I used double sided extreme outdoor sticky tape near the hub/under the spinner. I thought it was working until I saw this frame.
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Old Jul 17, 2012, 05:26 PM
Suspended Account
United States, NV, Las Vegas
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Quote:
Originally Posted by Tom K. View Post
Poseiden called, he wants his prop back...

--Tom K.
Best post from you to date!
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Old Jul 17, 2012, 05:32 PM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
Joined Jul 2003
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That frame seems to be an impossibility! Of course I understand how you would get a distorted prop image due to the speed. What I do not understand is how the side of the prop on the right side of the frame does not show a "trail" like on the left side?
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Old Jul 17, 2012, 05:47 PM
Facts, Logic, 3D
Tom K.'s Avatar
Florida
Joined Nov 2010
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Originally Posted by -= GYRO =- View Post
Best post from you to date!
Lol, I'm not sure if that's a compliment or an insult .

--Tom K.
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Old Jul 17, 2012, 05:48 PM
This is NOT a TOY?
C_Watkins's Avatar
United States, GA, Atlanta
Joined Jul 2011
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Quote:
Originally Posted by Dead View Post
That frame seems to be an impossibility! Of course I understand how you would get a distorted prop image due to the speed. What I do not understand is how the side of the prop on the right side of the frame does not show a "trail" like on the left side?
Harmonic airframe vibration at or near some multiple of the capture rate, with a side of interlacing?
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Old Jul 17, 2012, 06:06 PM
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United States, NV, Las Vegas
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Originally Posted by Tom K. View Post
Lol, I'm not sure if that's a compliment or an insult .

--Tom K.
Compliment... I almost fell off my chair laughing.
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Old Jul 17, 2012, 06:28 PM
Facts, Logic, 3D
Tom K.'s Avatar
Florida
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Quote:
Originally Posted by -= GYRO =- View Post
Compliment... I almost fell off my chair laughing.
Okay, good.

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Old Jul 17, 2012, 07:00 PM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
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Quote:
Originally Posted by C_Watkins View Post
Harmonic airframe vibration at or near some multiple of the capture rate, with a side of interlacing?
Oh! Well that explains it
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Old Jul 17, 2012, 07:27 PM
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baumerm's Avatar
USA, OR, Carlton
Joined Aug 2009
177 Posts
Quote:
Originally Posted by Dead View Post
That frame seems to be an impossibility! Of course I understand how you would get a distorted prop image due to the speed. What I do not understand is how the side of the prop on the right side of the frame does not show a "trail" like on the left side?
I've been curious about this since a while, so I did a little digging around. It appears that it is caused by a combination of artifacts that are related to the "rolling shutter" of CMOS type image sensors. CMOS sensors are different from the traditional CCD sensors which have a "global shutter". A propeller filmed with a CCD sensors would just produce old fashioned smear.

Here is a more detailed article: http://dvxuser.com/jason/CMOS-CCD/

Martin
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Old Jul 17, 2012, 07:31 PM
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United States, CA, Palos Verdes Peninsula
Joined Dec 2011
1,031 Posts
Angle of the sun relative to the prop - brightest when the sun's reflection is directed at the lens?
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Old Jul 17, 2012, 07:41 PM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
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Thanks martin
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