How does one choose a servo,what do the specks mean,voltage sec etc. and will they only work with certain radios. never used one so i no nothing about them. all info will be gladly appreciated.

For our applications, most specs aren't important. Unless you are working in a tight space, the larger size is fine and usually offer more torque, etc for the price. Steel gears and all that don't come into play with our stuff since the things we use them for: recoil, elevation shoudn't need an overabundance of power, it's not like you're trying to pull a rudder against 100 mph wind resistance via a 6 foot cable. They're all engineered to plug into a receiver and handle voltages that the Rx does, so don't worry about our 7.2.

To run the traverse and elevation in the SU-100, I used the Futaba servos (2003s) that came with the Attack Tx/Rx about 15 years ago, but I generally go with them for anything since they are reliable and inexpensive. I'm pretty sure you can get them for under $15.

Well the servo works with the receiver, it should have 3 male pins for each servo. Most will work with
4.8 to 6.0 volts dc. The size of the servo has little to do with current draw. There are two types of
electronics, analog and digital. Digital uses more current and has more power when just starting
to move. Analog was the first type and it is what I use for tanks. I also use flexible mounts for tank.
Flexible mounts have an rubber grommet and a brass eyelet for the screw.
The servo followes the sticks, so you need more than 4 ch unless you are useing a Clark board or like.
Darryl

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Thank you all Greg, Darryl, and Jeff. this is going into the Dicker Max I'm scratch building that I'm planing on using Clark electronics. still not sure if i'm going to use the 35k or the 22k board.
at the moment. MichaleC on rctankwarfear has built a supper fine DM, and had installed a Clark 35k board in it. any suggestions.

I had used a Clark board but I am hard of hearing and the Clark is low on volume. Every thing else is fine.
Darryl

they make an amp for the Clark boards Freaky Dude sells those also

did you do the servo yet? you might need two....lol

I will be ordering the Clark TK 35 ,6 watt amplifier and remote this weekend from Curtis . I was just notified that the supplies that I need will be in by next week. so until then no I have not yet be able to do anything with the servo, i'm going to need more the 1 servo. once the electronics arrive I will be able to test and set up a function setup.build my gun around the servo ,fabricate the gun mount etc. I'm even thinking of getting a new transmitter that will have a small receiver,and have at least 6 channels.