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Old Jun 13, 2011, 06:02 PM
RC Addict
anatoly's Avatar
Falls Church, VA
Joined Jul 2006
2,238 Posts
Quote:
Originally Posted by afroman123123 View Post
How do you figure out what the thrust of each motor with a given prop?
If no one has done the testing and posted numbers, you would have to test it yourself with a thrust stand and a watt meter. Generally, if the motor has been around for a while, you will be able to find some reviews with thrust figures for a given voltage and prop. More importantly, you want the amp draw numbers for a given prop, to make sure you're not over-powering the motor or the ESC, and so that you know your battery can handle the load.

Quote:
Originally Posted by afroman123123 View Post
And does the distance from the seperation of props affect the performance and efficiency, as the distance from a prop tip to the wall of a ducted fan jet improves speed and efficiency.
I don't have enough experience with multi-rotors to answer this one, so someone else will have to chime in here.
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Old Jun 13, 2011, 07:12 PM
Registered User
United Kingdom, England, Weston-super-Mare
Joined Jul 2010
475 Posts
Quote:
Originally Posted by afroman123123 View Post
And does the distance from the seperation of props affect the performance and efficiency, as the distance from a prop tip to the wall of a ducted fan jet improves speed and efficiency.
Yes - the theory says it will adversely effect the craft if adjacent props are too close together - tangential airflow and yadda, yadda.... and lots more tech stuff that I don't really understand

I've seen one or two "old hands" referring to bad effects experienced that were "cured" by lengthening the arms (or fitting smaller props).
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Old Jun 13, 2011, 10:57 PM
Gimbaled
superdave42's Avatar
morgan hill california
Joined May 2004
3,295 Posts
Open Pilot is SWEET in the wind

no idea what the wind speed was, but it sure was moving those trees.

+1 for Open Pilot

Karbonic-X 3.MP4 (1 min 27 sec)
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Old Jun 14, 2011, 02:35 AM
a.d.m.i.n
reptor's Avatar
Joined Jan 2011
415 Posts
Front side of this module is there where is marked an "arrow" ?


thanks
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Old Jun 14, 2011, 03:07 AM
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hawaiitaco's Avatar
Joined Dec 2010
400 Posts
Quote:
Originally Posted by reptor View Post
Front side of this module is there where is marked an "arrow" ?


thanks
arrow forward.....is....well....forward
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Old Jun 14, 2011, 10:53 PM
Aircraftus Fragmentum
United States, NC, Winston-Salem
Joined Mar 2011
54 Posts
I hope somebody can help me with this... I've been trying all night to set up my CC board. I'm trying to follow the video, and after doing the "rescue" bit and uploading the CC PWM firmware, I hit "boot" and it gives me the "you may now connect telemetry" message. The box in the bottom right corner says CopterControl USB, and it is connected. It never recognizes the telemetry link. What am I doing wrong? I have tried over and over and I cannot get it to link.
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Old Jun 14, 2011, 11:10 PM
Suspended Account
United States, IL, Chicago
Joined Dec 2006
8,649 Posts
Quote:
Originally Posted by themicahmachine View Post
I hope somebody can help me with this... I've been trying all night to set up my CC board. I'm trying to follow the video, and after doing the "rescue" bit and uploading the CC PWM firmware, I hit "boot" and it gives me the "you may now connect telemetry" message. The box in the bottom right corner says CopterControl USB, and it is connected. It never recognizes the telemetry link. What am I doing wrong? I have tried over and over and I cannot get it to link.
Disconnect and reconnect after it sas connect?
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Old Jun 15, 2011, 06:09 AM
Aircraftus Fragmentum
United States, NC, Winston-Salem
Joined Mar 2011
54 Posts
Quote:
Originally Posted by Quad_Addict View Post
Disconnect and reconnect after it sas connect?
Did that, no dice.
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Old Jun 15, 2011, 06:32 AM
Gaftopher
Gary Mortimer's Avatar
Nottingham Road South Africa/Bedford UK
Joined Feb 2007
3,637 Posts
Sounds like it is connected, what makes you think its not?? If you move the board does anything happen in the PFD??

You need to update bootloader and FW this time don't forget.
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Old Jun 15, 2011, 07:12 AM
Suspended Account
United States, IL, Chicago
Joined Dec 2006
8,649 Posts
Quote:
Originally Posted by themicahmachine View Post
Did that, no dice.
take screen shots or video
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Old Jun 15, 2011, 11:02 AM
Registered User
Kadath's Avatar
Quebec, Canada
Joined Apr 2008
1,023 Posts
Does anyone know when the CopterControl will be back in stock at the USA store? This really is an awesome project. Thanks to everyone involved.
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Old Jun 15, 2011, 11:37 AM
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United States, IL, Chicago
Joined Dec 2006
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Originally Posted by Kadath View Post
Does anyone know when the CopterControl will be back in stock at the USA store? This really is an awesome project. Thanks to everyone involved.
no set date but speculations july maybe?
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Old Jun 15, 2011, 03:53 PM
a.d.m.i.n
reptor's Avatar
Joined Jan 2011
415 Posts
WE can't wait
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Old Jun 15, 2011, 04:42 PM
'FPV'er...not a "LOS'er
Vantasstic's Avatar
Las Vegas, NV
Joined Sep 2003
17,101 Posts
Glad I got mine when I did...right before they ran out.

I was thinking today...can the CC board be setup to handle a reverse Y?, i.e. the rear arm up front and the Y arms in the back. Perhaps not even needing a tilt mechanism...just using the rear motors to handle yaw and roll duties?
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Old Jun 15, 2011, 04:43 PM
Registered User
Ironbridge (UK)
Joined Jan 2009
3,965 Posts
Quote:
Originally Posted by Vantasstic View Post
Glad I got mine when I did...right before they ran out.

I was thinking today...can the CC board be setup to handle a reverse Y?, i.e. the rear arm up front and the Y arms in the back. Perhaps not even needing a tilt mechanism...just using the rear motors to handle yaw and roll duties?
you gonna make a Klingon war bird?
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