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DJI Zenmuse gimbal for Gopro

Discussion in 'DJI Discussion' started by piccoloflyer, Sep 27, 2012.

  1. RadioFlyer

    RadioFlyer Member

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    Posted by RadioFlyer, Jan 28, 2013 #41
  2. nicwilke

    nicwilke Active Member

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    Posted by nicwilke, Jan 28, 2013 #42
  3. Posted by Sound Advantage, Jan 28, 2013 #43
    For that price with the controller it looks worth taking a chance on. Or it could just be a big can of worms!!

    Has anybody preorder this?
     
  4. hexa

    hexa Member

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    Posted by hexa, Jan 28, 2013 #44
    Lol. You can always use the worms for fishing.


    Sent from my iPhone using Tapatalk
     
  5. DennyR

    DennyR Active Member

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    Posted by DennyR, Jan 29, 2013 #45
    Nick, the stepper motor can be made to work with a very expensive micro stepping driver which you would need one for each axis. So the question is why do it when you can rewind something like a TM 3506 pancake motor that will do the job without any feedback encoder in both the tilt and roll axis. When you get to the pan axis (some might say why bother with the extreme angle of the GoPro) but to do that properly. You may need to use the FC's output and just refine it with a closed loop. I expect that Alexmos has already incorporated that, or is working on it. And yes the Zen has both a high sensitivity final axis IMU and it uses the WKM MC as well. The motors have an encoder built in.

    In the same way that everyone and his dog is making good cheap multiwii boards I think we can expect the chinese copies sooner rather than later. I had a carbon moulded gimbal 5 years ago which could do the job and carry a 5D or a Red, but it never went into production because of the cost of the electronics and the fact that it would have been copied with much cheaper and advanced electronic components before the production costs had been recovered. You cant fight the chinese on that front. Because Alexmos has a sensible price to start with there is less incentive for people to copy it but that wont stop them.

    I use three Zenmuse because it is a simple cost effective solution that is almost fit and forget. Time is money. Unless the Halo is a dramatic step up from the other stuff from that outfit I expect it will fail to impress because hanging a motor on a gimbal is a very small part of the overall package. You have a lot of new kids on the block coming from the helicopter manufacturers and they have real money, a network of manufacturing facilities and experience to throw at this.
     
    Last edited by a moderator: Jan 29, 2013
  6. nicwilke

    nicwilke Active Member

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    Posted by nicwilke, Jan 29, 2013 #46
    Thanks Denny.
     
  7. BorisS

    BorisS Drone Enthusiast

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    Posted by BorisS, Jan 29, 2013 #47
    guys don't fall the for the Yun-I thing its just riding the wave at the moment. You can see in the videos that it docent hold level no matter what (roll-axis). Probably due to the IMU but why even spent a cent when you will have to wait for a update of take care of the IMU yourself. A lot of guys are implanting the Alemox SBGC at the moment, give it a couple more weeks and compare the different systems after words.

    Boris
     
  8. nicwilke

    nicwilke Active Member

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    Posted by nicwilke, Jan 29, 2013 #48
    Thanks for the advice.
     
  9. RadioFlyer

    RadioFlyer Member

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    Posted by RadioFlyer, Jan 29, 2013 #49
    Very good idea.
    Look at iOSD mark1 and mark11.
    By the way,
    I doubt the iOSD mk1 will ever be able to be "upgraded to log"
    It as NO SD card or slot, so what would it log to....?????.
    DJI will not be talking about it till all forgets and buys the mk11 model, or the mk3 or 4.
    Just keep buying.
    new items all over the place, prices will drop big time soon.
    us early adopters always pay twice.
    but have fun first
    Just dont hold your breath for DJI to upgrade anything.

    BTW DJI sent me a link to a "new" ground station. Just as flaky as the last one.
    https://www.yousendit.com/download/UW13ck93YTI1aWFFQk1UQw
    My ground station software has a mind of its own.
    Start fine now then, wont load plug in for, next 5 times, then it does, but with NO navigation control (google plugin), then works but takes 5/10 clicks to connect.(to S800) It is quite funny as the green bar advances a bit further each time, until it finally decides it likes the airside link. even though it is 20mtr away in los.
    Weird software to say the least, I must have installed it 25 times and the plugin 30 times.
    I for one can not wait till it becomes reliable, (ground station software that is)
    Any hints as to the best style of laptop/OS combination.
    I am doubting if netbooks are up to it with atom chip ect.
    Maybe XP running is better than Winslows 7 (pun intended)
    May be the iPad version might be a fix (when it comes out)
    Radioflyer
     
  10. BorisS

    BorisS Drone Enthusiast

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    Posted by BorisS, Jan 29, 2013 #50
    Wrog assumption both mark 1 and II have no slot but the ad card is built in. If they didn't mess up somewhere else mark I has the HW capabilities to log

    Boris
     
  11. DennyR

    DennyR Active Member

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    Posted by DennyR, Jan 29, 2013 #51
    So where are they getting these Alexmos boards?
     
  12. BorisS

    BorisS Drone Enthusiast

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    Posted by BorisS, Jan 29, 2013 #52
    I think its three/four components, that play a role. Gimbal Mechanical side/motors and their preparation, drivers for the motors and IMU. I don't know if any boards are bought and used from Alexmos or if its only the idea he is licensing and some code to it. But what i am 90% sure of is that there will be different versions of the driver and the IMUs used. Like already mentioned from the AQ team based on Alexmos they are making their own BL driver board and IMU setup. I think that these are enough variables to see huge quality differences in the different gimbals that we will see in a coming weeks !

    Boris
     
  13. BorisS

    BorisS Drone Enthusiast

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    Austria, Vienna
    Posted by BorisS, Jan 29, 2013 #53
    and than one more thing. We actually have to stay fair not only when comparing the gimbals out there but also to ourselves. I remember how much critic the zenmuse got. No we don't believe show us the results in wind, nah it doesnt keep level its 1 degree of. Now these brushless gimbals are shown in short demos, and we have not wind test we have most of them far from keeping level we have no clue if a downlink will be possible in the finished gimbals there are being promoted. I am just as happy about the development as i hope everyone else, it just had to be taken with a gran of salt and and compared once it possible to be compared at least !
     
  14. Tahoe Ed

    Tahoe Ed Active Member

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    Posted by Tahoe Ed, Jan 29, 2013 #54
    I got some additional information on the Zenmuse GoPro version. It will be all aluminum construction with brushless direct drive motors for GP2 and GP3 without the need for additional accessories. For the GP2, it will support remote shutter and video recording. I think the 2-axis will be killer. I am not so sure about the need for a 3-axis but it is there for those that need it. It appears that April may still be the anticipated delivery date.
     
  15. mitmit

    mitmit Member

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    Posted by mitmit, Jan 29, 2013 #55
    Denny PM me)
     
  16. vinnygogo

    vinnygogo Member

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    Posted by vinnygogo, Jan 29, 2013 #56
    Nice ed, I am very curious !
     
  17. heli001

    heli001 Triple Tree Aerodrome

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    Charlotte, NC
    Posted by heli001, Jan 30, 2013 #57
  18. BorisS

    BorisS Drone Enthusiast

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    Austria, Vienna
    Posted by BorisS, Jan 31, 2013 #58

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  19. Bartman

    Bartman Welcome to MultiRotorForums.com!!

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    Posted by Bartman, Jan 31, 2013 #59
  20. tstrike

    tstrike pendejo grande

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    Utah-the northern part
    Posted by tstrike, Jan 31, 2013 #60
    I wonder how much the mini usb for live vid out is going to mess with balance? Nice looking chunk of aluminum though.
     
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