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    Jaw movement servo - faster and quieter?
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    MonkeyBasic's Avatar
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    Default Jaw movement servo - faster and quieter? – 07-23-2009,05:25 PM


    Like many others, I have been using the Hitec HS-425BB for all of my Lindberg skull needs. They seem to work fine for the 3 axis but it's not my favorite for the Jaw. It seems to be a tad slow side and very noisy. I guess the speed is not as big of a concern as the noise. Unless I crank the volume up, you can here the jaw servo working away.

    An suggestions for a substitute servo? Has anyone tried to dampen/insulate the noise of the servo?
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    Default 07-23-2009,07:44 PM
    Quote Originally Posted by MonkeyBasic View Post
    Like many others, I have been using the Hitec HS-425BB for all of my Lindberg skull needs. They seem to work fine for the 3 axis but it's not my favorite for the Jaw. It seems to be a tad slow side and very noisy. I guess the speed is not as big of a concern as the noise. Unless I crank the volume up, you can here the jaw servo working away.

    An suggestions for a substitute servo? Has anyone tried to dampen/insulate the noise of the servo?
    Most R/C Servos are mechanically noisy, its the design. The newer digital type servos are a little quieter but still make noise or whine. You can spend a lot of money on servos and still have the same noise.
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    fritz42_male
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    Default 07-24-2009,12:30 AM
    I've found that the sound varies from make to make. The Futaba ones I have seem to be a bit quieter than the Hitecs.
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    Default 07-24-2009,10:08 AM
    Why are you using 425's for the jaw? I've used 311's, they are faster, and no problem with noise. Plus they are cheap at around 9 bucks ea.
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    Default 07-24-2009,11:31 AM
    Quote Originally Posted by HomeyDaClown View Post
    Most R/C Servos are mechanically noisy, its the design. The newer digital type servos are a little quieter but still make noise or whine. You can spend a lot of money on servos and still have the same noise.
    I was in R/C for years... I guess when you have an engine running at 20,000 RPM a little servo noise doesn't matter.

    Quote Originally Posted by Dr Morbius View Post
    Why are you using 425's for the jaw? I've used 311's, they are faster, and no problem with noise. Plus they are cheap at around 9 bucks ea.
    I'm going to try out a few different servos (including the 311) and try some dampening techniques.

    Thanks!
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    Default 07-24-2009,01:04 PM
    that's why the pro's do it with pneumatics.

    Bill
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