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  1. dynexhobby

    Vortex dynamic balancer

    Hey guys we're still around :) In fact we just released a new balancer called "Impulse" which is a plug and play device. Check it out!
  2. dynexhobby

    Multirotor Vibration Tutorial

    Here is a handy tip for when designing multirotors.... http://dynexhobby.com/dynexhobby_022.htm enjoy!
  3. dynexhobby

    Vortex dynamic balancer

    Done. Looking forward to feedback from Vortex users. Thanks.
  4. dynexhobby

    Vortex dynamic balancer

    Yep no problem, just sent PM with key.
  5. dynexhobby

    prop balancer

    Hi guys, please note there is a new software upgrade available. The latest version now includes a measurement tool which can be used independent of the Scope software. It is only available to customers who purchase the Vortex. You can download it at the link below...
  6. dynexhobby

    prop balancer

    The trial & final weight for a propeller should be close to the tips. What ever radial distance you use, you must maintain throught the balance.
  7. dynexhobby

    prop balancer

    Hi Carapau, First off congratulations on your effort and sounds like you are well on your way. You are correct about balancing; there is a lot to learn. However, it’s just like everything else new in RC, once you get it, it’s there with you forever. Remember the first computer radios that came...
  8. dynexhobby

    prop balancer

    Hi guys, please note there is a new software upgrade available. The latest version now includes a measurement tool which can be used independent of the Scope software. It is only available to customers who purchase the Vortex. You can download it at the link below...
  9. dynexhobby

    prop balancer

    Never tried it on a Mac. However if you can run in the Windows environment I don't see a problem. regards Mark
  10. dynexhobby

    prop balancer

    Hi Scott, We are currently taking orders. Next production run will start shortly. regards Mark.
  11. dynexhobby

    prop balancer

    There is a learning curve with dynamic balancing. Best bet is to read the manual first then watch the videos on our YouTube channel. The manual outlines the basic theory and provides step by step methods for carrying out balancing. I'm always on the forums to help answer questions. We went...
  12. dynexhobby

    Vortex dynamic balancer

    This thread is for user support. Thanks.
  13. dynexhobby

    Vortex dynamic balancer

    I have created a video to answer your questions. https://www.youtube.com/watch?v=fS5n3Qoue1c You might also want to check out these two videos as well, https://www.youtube.com/watch?v=Onn0NhW7BOU https://www.youtube.com/watch?v=AjZ23L6aUQ4 Basically, use the peaks in the frequency tab to...
  14. dynexhobby

    Vortex dynamic balancer

    Ahhh...it makes sense to me now. The problem is with the setup. Having the sensor way out changes the dynamics of your test rig. With the current setup, you are getting secondary harmonics due to the flexing of the beam/motor/motor mount configuration. See attached pdf document. Basically you...
  15. dynexhobby

    Vortex dynamic balancer

    Hi SRbell, 1. Negative value is normal. It just means you measure in the opposite direction from zero. So if 0 to 360 is counter clockwise then you measure 112 degrees clockwise. 2. The 4 point warning message is telling you that your vibration during the trial unbalance at 0,120 and 240...
  16. dynexhobby

    Vortex dynamic balancer

    I don't think thats your RPM :frog: It sounds like your are getting electrical intereference from somewhere, maybe a nearby electrical source such as an ESC. You can try a few things here; 1. Isolate the electrical source (turn it off if possible except for ESC). 2. Use the filter capacitor on...
  17. dynexhobby

    Vortex dynamic balancer

    Hmmm.... considering that the Vortex is outputting the IR and Accelerometer signal means that the circuit is working as expected. I suspect that there may be audio mixing happening at the PC. Also check that the "Channel Mode" in the Scope is set to "Single" not "Ch1+Ch2". See image.
  18. dynexhobby

    Vortex dynamic balancer

    Just another point, when balancing a multirotor, the IR sensor isn't normally required because you get away with using the 4 point or 2 blade propeller methods.
  19. dynexhobby

    Vortex dynamic balancer

    A few things can cause this, 1. A compound MIC port on your laptop. This combines MIC and headphones into a single port. 2. Using a MONO MIC port. 3. An audio mixing device. Some audio drivers allow for some mixing between channels. Check your audio driver and deselect any mixing. for 1 and 2...
  20. dynexhobby

    Vortex dynamic balancer

    The Scope software will measure RPM from the main vibration signal. However, when I run the motor I used the PWM signal on the GWS Servo driver, that is 1150ms refers to say 40Hz on my ESC.
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