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  1. #1
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    Bluebird 390 waterproofing

    we all no that traxxas 2080 servos aren't exactly great, at all

    i decided to go with the bluebird 390, according to the forum its a good drop in servo

    So i got it in the mail today and i would like to waterproof. I looked up on the interwebs how to waterproof

    a servo but all of them use plasi dip and liquid tape, but that seems to make the servo bulky so i would like

    to no if there is another way to waterproof it without making it big and bulky there for harder to put in

    Ive heard about water resistant grease but i don't know if that is recommended way to do it ?

    Thank you hope someone can help

  2. #2
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    I wanted to avoid hokey waterproofing too so I bought a waterproof servo.
    maybe you can carefully "paint" some goo around the joints and wires after it is installed, but that still leaved the output shaft which has no seal

  3. #3
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    I pulled my 390 apart, put grease where the horn goes through the case and assembled it with RTV at the seams.
    Whatever it is I just said... I could be wrong.

  4. #4
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    What brand or type of grease and rtv should i use
    Im not really use to this stuff

  5. #5
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Some say marine grease... any brand.
    I used common automotive grease that I had on hand.

    WalMart sells the RTV in the automotive section. I think what I used is the Permatex brand.
    Whatever it is I just said... I could be wrong.

  6. #6
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    Thank you, ill check it out

  7. #7
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    would dielectric grease work ?
    and could i just use ordinary cocking for the outside to keep water out ?
    do i put grease in the electronics and the gear ?
    Last edited by Demigod15; 01-30-2013 at 10:17 AM.

  8. #8
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Caulking

    I just put grease in the top cover and mushed it down over the horn then wiped the access off.
    Dielectric should work fine...

    Caulking should work as well.
    Whatever it is I just said... I could be wrong.

  9. #9
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    I wouldn't use either. Use waterproof bearing grease (bike shops have it in smallish tubes or auto parts store for bearing grease) Also, know that no grease will keep water out - that's not what it's for. Water will get in through the smallest of of openings even when just splashed. Waterproof grease will maintain moost of it's qualities when exposed to some water (like on a boat trailer wheel bearing) For the electronic side use RTV (auto parts store) and pray.
    caulking is not as good of sealant and dries in more of a rigid state

  10. #10
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    There is white grease in the servo gears what do i do with that ?

  11. #11
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Leave it.

    I have not had a single issue with my method... and have gone through countless puddles and many runs through wet grass.
    Whatever it is I just said... I could be wrong.

  12. #12
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    Thank ill try it out
    Cant wait to get it in my truck

  13. #13
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    What is the apeal of a non waterproof servo? I don't understand why you would choose one when there are good waterproof options

  14. #14
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Cheaper and stronger than the waterproof HiTec that requires modifications to get it in.
    Whatever it is I just said... I could be wrong.

  15. #15
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    Quote Originally Posted by Jimmie Neutron View Post
    Cheaper and stronger than the waterproof HiTec that requires modifications to get it in.
    that's true

  16. #16
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    petitioning manufactures is good as it makes 'em aware of a need they may have overlooked. I used to think it was an old guy thing but now that I am one it makes sense........Ha!

  17. #17
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    the bluebird390 I have is waterproof(has been tested many times), stronger, and cheaper than the hitec, and was a simple drop in.
    3903Emaxx->brushless;4wd vxl mini Digger;VXL Rusty

  18. #18
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    It seems the best way is to put marine grease inside and to dip the entire servo in the plastidip stuff. Wait for half hour and it's done.

  19. #19
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    I don't know if that will work... the dip will probably get scraped off when you install it.
    RTV around the seams, grease (any non conductive grease... does not have to be marine) at the horn and then reassemble.
    Whatever it is I just said... I could be wrong.

  20. #20
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    True, But the Plasti dip ; Should work fine Medic uses it!

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