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  1. Mike G

    USB Vibration Spectrum Analyser

    Phil In your thread https://www.rotaryforum.com/threads/rotor-vibrations.1145740/ that I quoted at the begining it says: "The question you’re all going to ask is “how much?”. The prototype was cobbled up out of bits Mark had laying around the workshop so if he went into production he’d have to...
  2. Mike G

    USB Vibration Spectrum Analyser

    Abid I’ve had my first vaccination and the second is due early June. I hope to receive the first MkIII prototype Gyro Warning System (GWS) some time in May and hope to have fully tested it on my gyro by the time I get my second vaccination. As soon as I can after that I’ll bring it to Florida...
  3. Mike G

    USB Vibration Spectrum Analyser

    In post #32 of this thread : https://www.rotaryforum.com/threads/rotor-vibrations.1145740/ I wrote about a simple accelerometer with a USB port that could be linked to a smartphone to allow vibration measurements to be made simply and cheaply and recorded via an app. I proposed to analyse the...
  4. Mike G

    The new gyro

    Wolfy If you install your PB3 accelerometer with X & Y horizontally and capture some data points with both axis active, then if you send me the file I'll show you exactly how much the mast was moving. You also need to install the tacho. Mike G
  5. Mike G

    Tango owner looking for help with vibration

    Thanks. upperglass, I'm in contact with Aziz now. Mike G
  6. Mike G

    prop versus engine noise.

    I am arguing with the company that installed a new, and very noisy, heat pump in my house in Brittany. To demonstrate what the problem was I found this free app very useful. https://play.google.com/store/apps/details?id=com.bolshakovdenis.soundanalyzer&hl=en&gl=US very useful. It gives you the...
  7. Mike G

    Tango owner looking for help with vibration

    I saw a message on my telephone (not sure if it was email, whatsapp or FB messenger) from a Tango owner (I think in the USA) looking for help. I looked at it and thought I'd answer it when I got to my computer but now can't find the message. So if you are, or know of, a Tango owner looking for...
  8. Mike G

    prop versus engine noise.

    Chook is right to point out that if you are measuring noise relative to the impact upon the human ear then, it goes without saying (but it was remiss of me to not say it), that you must work with the « A » filter so that your sound pressure values are in dB(A) . This is very important for what...
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