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Old 11-11-2014, 01:30 PM   #1
cosmith
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Collective pitch fixed wing!

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Maybe I'm the last one to see this, but it's too cool not to share.

http://www.youtube.com/watch?v=6YkkZw9GVaU#t=23

Even without thrust vectoring, we could use this to mask 'throttle pumping' so nobody gets annoyed at the field! That, and 'throttle' would be more responsive.
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Old 11-11-2014, 02:54 PM   #2
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Re: Collective pitch fixed wing!
There is at least one large scale systems being developed in Europe.
Rumor has it a commercial system for 35% will be available for 2015.

Here is a guy experimenting with 4D on large plane.
https://www.youtube.com/watch?v=3AkKQmDgOV8
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Old 11-11-2014, 03:00 PM   #3
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Re: Collective pitch fixed wing!
Here some more links


Hacker Prototype
https://www.youtube.com/watch?featur...&v=m4ZZOZGRR68
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Old 11-11-2014, 03:55 PM   #4
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Re: Collective pitch fixed wing!
Got yours on order John?
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Old 11-11-2014, 03:58 PM   #5
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Re: Collective pitch fixed wing!
No! I break enough planes trying to hover motor end up and do rollers with the motor leading to complicate things with a whole other degree of freedom! LOL
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Old 11-11-2014, 04:01 PM   #6
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Re: Collective pitch fixed wing!
Just fly a helicopter already LOL.
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Old 11-11-2014, 04:08 PM   #7
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Re: Collective pitch fixed wing!
Electric VPP (variable pitch propellers) has been around for a few years. I saw my first VPP foamy flight at ETOC in Toledo four years ago. On lightweight foamys, VPP is accomplished using hollow prop shaft motors where the pitch reversing rod runs through the shaft and is connected to a separate servo. There were three or four ETOC competitors using it four years ago, but it hasn't gained wide use, except in some freestyle routines.

...and yes, it looks very cool

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Old 11-11-2014, 04:12 PM   #8
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Re: Collective pitch fixed wing!
I've seen this be4 but still that vid is sooo sick lolol
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Old 11-11-2014, 05:46 PM   #9
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Re: Collective pitch fixed wing!
Quote:
Originally Posted by cosmith View Post
Maybe I'm the last one to see this, but it's too cool not to share.

http://www.youtube.com/watch?v=6YkkZw9GVaU#t=23

Even without thrust vectoring, we could use this to mask 'throttle pumping' so nobody gets annoyed at the field! That, and 'throttle' would be more responsive.
Wow. That is one crazy video. Loved it!!
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Old 11-11-2014, 06:03 PM   #10
cosmith
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Re: Collective pitch fixed wing!
Quote:
Originally Posted by Midair View Post
Electric VPP (variable pitch propellers) has been around for a few years. I saw my first VPP foamy flight at ETOC in Toledo four years ago. On lightweight foamys, VPP is accomplished using hollow prop shaft motors where the pitch reversing rod runs through the shaft and is connected to a separate servo. There were three or four ETOC competitors using it four years ago, but it hasn't gained wide use, except in some freestyle routines.

...and yes, it looks very cool

Peter
Is it simply variable pitch, or do they have them with cyclic type control as well? It almost looks like a swash plate on the front of the one plane. If it is, must be some crazy mixing going on?
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