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The perfect anti-vibration foam

Posted by Earl on October 4, 2010 at 9:30pm

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I found the PERFECT foam for the gyros and mags for anti-vibration on the AreoCopter
You all have heard and seen the commercial for Tempurpedic mattress
where the girl jumps on one end and the glass of wine on the other end
that doesn't spill ?
Look them up on the internet and request a free sample. Perfect size and
it REALLY kills the vibration, especially on ArduCopter.
Put this stuff in the Professional housing box under and around the mega and you will be all set.
Earl

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Comments

  • Shekou June 7, 2011 at 7:26am
    Argh !

    Can't have one fom Europe .... sniff
    Any chance a nice soul located in US can send me one ? I d def pay for the letter fees !!!!!

    Great tip, Thanks a lot  !!!!
  • Dean October 10, 2010 at 9:42pm
    In an attempt to inject a new thought, here is a partial idea based on what is used in some very sensitive lithography equipment in semiconductor processing: heavy mass. Not maybe something practical in a UAV where mass is a premium. The idea is that with proper balance between elastic and dampening forces, having the IMU mounted on something heavy will give it a lower natural frequency of response or at least dampen amplitudes. Think along the lines of having the IMU mounted on a 2 ounce lead block which is in turn mounted on thin layer of foam. That would be pretty wasteful weight-wise, but this is the jist of the idea. What you probably don't want is a dumb heavy mass bobbling around on too-weak foam.
  • Developer
    Jani Hirvinen October 8, 2010 at 7:16pm
    At least I have mounted all my APM's directly to ArduCopter frame with a screw and never had any problems with it. I have anohter quad that I use now "gyro-tape" to mount APM on it.. Can't see any differences between those.

    That's why we are using those rather good vibration resistant gyros. I'd say bigger effect you can get by balancing your props with a piece of scotch tape or similar.

    I will test this one too to see if it makes any difference or not.
  • Toby Stein October 7, 2010 at 10:29am
    Greetings and salutations,

    free piece of tempurpedic memory foam is available here for those who don't already know..
  • Developer
    Mark Colwell October 7, 2010 at 4:58am
    I wrapped my IMU with a foam for tool box liner it is 2 mm thick from Harbor Freight 3 sheets 24" x 12" $4
    and for crash protection I use Magic Scrubber sponges $2
  • T3
    Krzysztof Bosak October 6, 2010 at 6:32pm
    I use any velcro I can find. But note this is for electric machines with low vibration - the requirement is once attached it must stay the same for years (not that the machines will last that long when used intensively, but because I don't want to spent any time thinking about it in the future).
    For gas and easystars I have used indeed lots of foam like ppl say here but never happy with it.
  • T3
    Krzysztof Bosak October 6, 2010 at 3:10pm
    @chrismcn Well in the winter I suppose all systems should be functional. Something like -20C is not unusual for one hardest week in a winter in Poland or NY/Chicago area if I am guessing right the climate in the US. I have flown many times like that because of lack of better options, but it is very unpleasant (you work like outside space station, in thick gloves, any screw falling is lost forever (in soft snow)).
  • Moderator
    Gary Mortimer October 6, 2010 at 2:25pm
    I don't know if its happened for everyone else but helpful google have turned all the ads into mattress and bed foam for me. I love seeing what post content can do to ads. Sorry was that off topic.
  • T3
    Krzysztof Bosak October 6, 2010 at 1:59pm
    "TIP for cutting viscoelastic foam: put it in your freezer (10F, or -12C) overnight (or 30 minutes). While cold, it cuts like toasted bread."
    Have you just quoted a reason of NOT using this kond of foam in any damping system?
  • Dean October 6, 2010 at 12:42pm
    How would viscoelsatic sorbothane be an better than mattress-type visco elastic foam in terms of trapping heat or moisture? Their both so similar.
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