View Poll Results: Which quadrocopters and/or tricopters do you fly?
Aeroquad 220 6.49%
Alien Jump Jet 49 1.45%
Alien Saucer 35 1.03%
Draganflyer DF-IV 35 1.03%
Draganflyer DF-V TI 24 0.71%
Draganflyer Experimental Brushless (Spectrolutions) 39 1.15%
Draganflyer X6 32 0.94%
Quadpowered 285 8.40%
Microdrone 59 1.74%
Mikrokopter V1.0-ME 104 3.07%
Mikrokopter V1.0-ME with NAVI 195 5.75%
Mini-Mixer quadrocopter 50 1.47%
Mini-Mixer tricopter 31 0.91%
Self-build quadrocopter flight board/firmware 1,639 48.33%
Self-build tricopter flight board/firmware 794 23.41%
UAVP 76 2.24%
UAVP-NG 26 0.77%
UAVX 76 2.24%
Walkera UFO #4 35 1.03%
Walkera UFO #5 47 1.39%
Walkera UFO #8 40 1.18%
X-BL 34 1.00%
X-BL FunPilot 25 0.74%
X-BL Autopilot, ReasearchPilot, Hornet, Hummingbird, Falcon 14 0.41%
X-UFO 69 2.03%
Y-UFO LA Heli 25 0.74%
Y-UAVP 18 0.53%
Y-UAVX 30 0.88%
Multiple Choice Poll. Voters: 3391. You may not vote on this poll

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Dec 01, 2010, 03:36 PM
Registered User
Help needed please! I recently bought a second hadn Walkera UFO 5 as a cheap way of learning to fly quadcopters. I won't bore you with all the self inflicted mishaps and steadily mounting pile of scrap rotors, but my UFO has just developed an alarming tendency without warning. I set up as normal, with all the trims neutral, bound it to the TX in the usual way, but for some reason it has decided to just spin as it rises and won't accept directional commands. All the rotors seem to be functioning normally and if I hold it in my hand the lift is definitely there on all four corners, so I don't think it's a motor.

Could this possibly be transmitter failure as it started just after I had been dleiberately rotating it to stop it flying across the room and hitting something?

Cheers, John
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Dec 01, 2010, 08:13 PM
Tri-Quad-Hexa-Octo-copters!!
John,
It sounds to me like the Yaw gyro might have failed or been damaged. It is the upright gyro on the board, so take a close look. Here is the Walkera thread to ask others there too: https://www.rcgroups.com/forums/showthread.php?t=743878
Cheers,
Jim
Quote:
Originally Posted by timesearch
Help needed please! I recently bought a second hadn Walkera UFO 5 as a cheap way of learning to fly quadcopters. I won't bore you with all the self inflicted mishaps and steadily mounting pile of scrap rotors, but my UFO has just developed an alarming tendency without warning. I set up as normal, with all the trims neutral, bound it to the TX in the usual way, but for some reason it has decided to just spin as it rises and won't accept directional commands. All the rotors seem to be functioning normally and if I hold it in my hand the lift is definitely there on all four corners, so I don't think it's a motor.

Could this possibly be transmitter failure as it started just after I had been dleiberately rotating it to stop it flying across the room and hitting something?

Cheers, John
Dec 02, 2010, 10:38 AM
Registered User

Thanks Jim


I've had a look and nothing appears to be burnt out. I tried hovering just off the floor and moving the trim. It does reverse the spin, but there doesn't seem to be a central holding setting at which it doesn't rotate. If I end up replacing the board I'll probably end up re-designing the thing from the ground up, with a stronger landing skid and a built in camera mount.

The annoying thing is that it now hovers for the first time since I've had it, but won't go anywhere just as I was getting used to the feel of the control sticks.
Cheers, John
Dec 08, 2010, 07:23 AM
Registered User
Quote:
Originally Posted by jesolins
Hi AP,
You will likely get good responses to your photography specific questions in either the AP forum or the Multirotor forum. (...)
Hello Jim and thanks a lot for your answer !

I created the thread here :
https://www.rcgroups.com/forums/showthread.php?t=259622

and it is now starting slowly, I hope to share a lot of good info, get great aerial photos in the end and help others to do the same !

I hope to see you there

Alain
Dec 14, 2010, 04:01 PM
She blinded me with science!
FourPlay's Avatar

New Entry


Hi Jim,

Here's an interesting (although costly) addition to your master list. This thing has quite a number of features and apparently the CyberQuad out of Australia uses this controller. FWIW

http://www.procerusuav.com/productsGroundControl.php

Dan
Dec 14, 2010, 04:07 PM
Tri-Quad-Hexa-Octo-copters!!
Dan,
Wow...$5k for only the flight control board...
Thanks and Cheers,
Jim
Quote:
Originally Posted by FourPlay
Hi Jim,

Here's an interesting (although costly) addition to your master list. This thing has quite a number of features and apparently the CyberQuad out of Australia uses this controller. FWIW

http://www.procerusuav.com/productsGroundControl.php

Dan
Dec 15, 2010, 01:11 AM
Registered User

dead fc after update


Hey guys,
So here i am, playing around with the new hexa, when i am in kopter tool and decide to set the mixer.
Unfortunately the new version of kopter tool is not compatibile with my FC (V.2.1) , and i need to update the firmware i am told.
So i download the new hex firmware file for the FC and load it up in the terminal window.

Flight-Ctrl_MEGA1284p_V0_82b.hex

i see something like "FLASH Erase ........... ERROR"

in the text. and then a few more bits and then NOTHING.

My FC is dead! i cannot seem to do anything with it.
Has anyone done this before? know a remedy?, i see someone else has done so at least i am not the only one! but neither of us seem to know the answer

Any Help?
Dec 15, 2010, 02:22 AM
Registered User
Dec 15, 2010, 10:01 AM
Tri-Quad-Hexa-Octo-copters!!
Kingruar,
Re-post this in the MK thread to get lots of help: https://www.rcgroups.com/forums/show...336561&page=24
Cheers,
Jim
Quote:
Originally Posted by kingruar
Hey guys,
So here i am, playing around with the new hexa, when i am in kopter tool and decide to set the mixer.
Unfortunately the new version of kopter tool is not compatibile with my FC (V.2.1) , and i need to update the firmware i am told.
So i download the new hex firmware file for the FC and load it up in the terminal window.

Flight-Ctrl_MEGA1284p_V0_82b.hex

i see something like "FLASH Erase ........... ERROR"

in the text. and then a few more bits and then NOTHING.

My FC is dead! i cannot seem to do anything with it.
Has anyone done this before? know a remedy?, i see someone else has done so at least i am not the only one! but neither of us seem to know the answer

Any Help?
Jan 11, 2011, 05:27 AM
Suspended Account
very interesting innovative snap together frame, deserves a look for sure.

https://www.rcgroups.com/forums/show....php?t=1368970
Jan 11, 2011, 05:53 AM
Tri-Quad-Hexa-Octo-copters!!
Yes very clever. They will sell. No doubt about that. Nice demo of the FY-90Q too
Cheers,
Jim
Jan 16, 2011, 01:48 AM
sales manager
Quote:
Originally Posted by RENATOA
Please add the FrSky 2.4GHz system and the PPM enabled receiver:
http://www.frsky-rc.com/ShowNews.asp?id=42
Usage report here on DOSD+:
https://www.rcgroups.com/forums/show...postcount=3479
Lesnewell will test his sample soon on a mk.
add this too

http://hobbyprince.com/e_showproduct.asp?id=77
Jan 26, 2011, 06:14 AM
Registered User
Hello Jim
I am looking for a flying platform for advanced aerial photo (see link to a specific advanced photo thread I posted earlier on this page).
I need something that is proven stable and not too complicated to use (ie well documented), so I need to choose if I go on the MK way or the UAVX way - both are very good platforms it seems.

I need a stable (and redundant) octo to lift up about 1.5kg of photo gear. Fligh time not an issue.
But I plan to use long lenses so I really need something very bery stable (not only low vibration due to built), I guess that means the controller CPU and sensors are key here.

To keep cost reasonable, I am thinking about either :

1/
MK (quad 1.35 clone for training then upgrade to octo OEM 2.1), I2C>PWN converter, Turnigy ESC 40A and Turnigy engines, Turnigy 9CH Tx/Rx, Rusty upgradable frame

2/
UAVX (takes out the I2C>PWN problem, but board is more expensive - no cheap-training option), Turnigy ESC 40A and Turnigy engines, Turnigy 9CH Tx/Rx, Rusty upgradable frame

my question is, based on your wide experience : will UAVX deliver as much as MK in term of stability and ease of use ?

I am a bit lost with all the information available on both platforms ... thanks a lot fr the help !

Alain
www.alaindavreux.com
Jan 26, 2011, 07:17 AM
Tri-Quad-Hexa-Octo-copters!!
Hi Alain,
Both MK and UAVX will give you a stable AVP platform when properly setup especially with a larger octo. An octo is the only platform that can offer reliable redundancy for a safe motor out landing. You will be able to do AVP with either, so your choice there. A telephoto lens on these craft will be a build challenge as they would not be forgiving at all for vibrations. Much care will have to be put into your camera servo mount and isolation, which is a art in itself.
Cheers,
Jim
Jan 26, 2011, 07:49 AM
Registered User
Hello Jim

Thank you for the platform confirmation. I might go with UAVX for the sake of simplicity (to avoid the I2C issue).

As per the long lens, yes I understand it will be quite a challenge. I also need full remote control of the camera (live view) and fine/quick focus control, that will also proove very challenging. If we solve both then I will be able to do the kind of images that I want, it will be a lot of fun. See my thread about advanced still photo for more

Anyway thanks again for all the help, especially in this thread !
Alain


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