Just a couple of comments:
1). Linear actuators are probably slower than servos. They are better for strength than speed.
2). Working at a wide range of voltages is a poor idea. A motor that is most efficient at 12v may barely move at 6v. A motor that is most efficient at 6v will probably burn up at 12v. Use motors that are made for specific voltages where they are most efficient.
7.2 volts would probably be the best voltage. (Li-Ion, poly packs)
Sure, I understand how motors work. I should have been more explicit, but what I really meant is that there should be an acceptable voltage range and motor options with different kV values. Then the user would pick an actuator based on what battery they wanted and how much torque/rpms they want … the same kind of choices one makes when choosing a motor. Unfortunately, we don’t have those choices with servos.
And I agree with Spacejunk, if they are going to be focused on one voltage range, it should be 6-7 cell NiMH and 2S lipo, which would require a practical range of roughly 7.2V-8.4V.
I am intrested in some as I been looking around for some that i can use with my spider project.
I would like to replace 2 of the servers on this leg kit lynxmotion.com/Product.aspx? … egoryID=95
the ability to lift the body is a big issue for me as most of the servos stall out once they are added to my alum. body with just the basic computer added. ~50lb would be over kill but also would give me the ablity to add a car battery to my project.
Other thought would be if you could make them thin enough to fit in the c channel to hide some of the stuff.
