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Waterproof servos

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Waterproof servos

Postby Art Broder » Wed Dec 12, 2007 2:43 pm

I just heard about a new line of E-Maxx waterproof servos announced for early 2008, by Traxxas. I have not seen specs yet, but the prices are around $30.
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Postby TMSmalley » Wed Dec 12, 2007 6:01 pm

Great find Art. This could be a real boon to rc subs, especially the guys with small WTCs, bow planes, torpedo launchers etc...and not a lot of room to play with.

It appears Traxxas is making them for steering use in their RC trucks that are "mudders". Tower Hobby has them listed as in stock by mid-December.
Tower Stock Number LXTKL0 -- Tower's Low Price 29.99
Stock Status Mid Dec

http://www3.towerhobbies.com/cgi-bin/wt ... XTKL0&P=FR

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Postby aquadeep » Thu Dec 13, 2007 9:08 pm

Here is one by Futaba its big but Futaba also makes a much smaller vertion.
FPS3302

Metal Gear Servo

FPS3302 servo is designed for use in quarter scale planes, cars and other large models requiring high torque. The 3302 produces 110 oz./in. of torque, and uses a metal final gear for extra strength.

Additional features of the 3302 are a waterproof and dustproof case, shock and vibration resistant potentiometer, custom Futaba IC and thick film, gold plated connector contacts.


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Postby aquadeep » Thu Dec 13, 2007 9:12 pm

Another one I dont know the price but its reasonable.
S/TEC MEGA S04/BB SERVO

S/TEC MEGA S04/BB SERVO

£0.00

Giant power & 10Kg of torque servo suitable for 1/4 scale aircraft, cars, boats & as a sail winch servo. This servo is also waterproof.
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Postby pier 72 » Thu Dec 13, 2007 10:08 pm

Thanks for the tip guys. I've just "back ordered" 4 from Tower Hobbies and I'll let you all know what they're like when I get the chance to test them. I imagine that using waterproof servos would leave heaps of room in any WTC for more ballast/buoyancy for the Revel Gatos .............wouldn't they? The ones in the regatta DVD looked a little on the heavy side.

Have a very Merry Christmas fellow "bubble heads"

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Postby kazzer » Thu Dec 13, 2007 10:25 pm

Someone ( I can't remember who) told me they have run ordinary servos in the 'wet' for years.

Apparantly, all you do is disassemble the servo and paint the circuit board with Plasti-dip http://www.caswellplating.com/aids/plastidip.html

Seems like a good idea to me, but I haven't tried it. Our micro servos will snap apart so you can get at the tiny circuit board.

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Postby aquadeep » Thu Dec 13, 2007 11:07 pm

Yes that person was most likely me ,it works great but be sure to use a dust/ water resistant servo for they have an o ring on the out put shaft.
And fill the gearbox with silicone grease. :D
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Postby pier 72 » Fri Dec 21, 2007 6:01 am

I've just received my first 4 waterproof servos via UPS. Here's a look at their dimensions:

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They have Futaba style plugs and really look the goods for the Revel Gato conversion.

Has anyone tried them out in a model yet?
I'm planning on retro-fitting one into one of my Revel Type VIIs in the new year (I'm working right through Christmas and New Year, unfortunately) and I'll post performance results then.

To everyone else with a "Bubble-Head" Merry Christmas to you all.

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Postby kazzer » Fri Dec 21, 2007 6:41 am

These servos are standard procedure - already installed - in many of our D&E Sub-drivers.
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Postby Art Broder » Fri Dec 21, 2007 9:13 am

Kazzer, "Having gas is always better than a leaky bladder!

Depends!
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Postby Scott T » Fri Dec 21, 2007 12:13 pm

Kazzer, "Having gas is always better than a leaky bladder!

Both can smell pretty bad and cause a imbarrasing mess!
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Postby Gerwalk » Tue Jan 08, 2008 9:45 am

Very interesting. I've found this upon reading this topic yesterday:

http://www.societyofrobots.com/actuators_waterproof_servo.shtml

The last mod seems to be the best: covering the electronics with epoxy or neutral silicon sealant, fill the gears box with mineral oil and attach an o-ring to the servo output shaft. This can make rc-ing a small model much easier... thinking on Trumpeter's Gato.
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Postby wingtip » Tue Jan 08, 2008 11:35 am

you mean like they did with these servos to run them in the free flooding area

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Postby Gerwalk » Wed Jan 09, 2008 9:31 am

Seems to be the same treatment. Any link to that amazing X-wing sub?
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Postby wingtip » Wed Jan 09, 2008 11:27 am

well the pictures were from a japanese site but what you see here is what he had there, nothing more but when i get home from work i will post the link...
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