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how much torque do you need for the servos in this application?
Rotary motion required, or linear throw?
Degrees of motion (if rotary) or length (if linear)?
Bidirectional motion, or just push or pull?
they probably won't be cheap!
thats ok, im Navy funded - price doesnt matter
I'll PM you a SolidWorks sketch for you to wave around
However, they seem to draw more then normal current for operation. it seems to be because of the o-ring they stuffed in to water-proof the shaft puts an awful lot of friction force on it.
The company I'm interning at got some European servo company to custom manufacture waterproof servos, about the size of a hobby mini servo. Machined from aluminum, oil filled, and seals. The only real issue is the seal to the outside world from the horn, I don't know how well that servo is sealed as we just use the pressurized oil system (in the entire actuator compartment) as a just-in-case kind of thing.
Look here they have high torque and waterproof but i don't know about the size i haven't look closely.http://www.traxxas.com/products/electric/rustler3705/trx_rustler3705_details.htm
I feel your pain lately admin. Working on a project for a table top gaming product I'm going to try and sell. Everyone keeps telling me do this and do that and get mad at me when I say they will not work. I need a production model not making 10 or 15 of them I need to make 50 or a hundred in batches for sale. I also have a 40+ hour a week real job. So anything more then 15 secs of my time is not worth it per unit. After a month I got it down to gluing 1 part to another and tossing them in a bag then I'm done.
Welcome to my world And it doesn't get easier, because you only go further and harder with each future product.