I am searching for a servo that can rotate from zero to 90 degrees with adjustable limits and be able to hold up to 1/2 lb of weight. I am attempting to design and build a device that is powered with 12 vdc or less, is weatherproof, has an arm of which I can attach a piece of flat plastic and can be controlled remotely.
Is it possible to send you a drawing of what I am attempting design and build? If so please provide email address or another way to contact you. Do you have a design team of which I will pay to help with the design as well as the parts to complish?
Almsot all hobby servos rotate from 0 to 180 degrees. Programmable servos (which need a programmer) can change their start, neutral and end positions (for example if you only want 0 to 90 degrees). By “weatherproof” do you mean can withstand heavy rain, snow, winter and summer temperatures etc.? A servo provides a “torque” which is force x distance. Therefore a servo which can provide 5 in-lbs of torque can lift 5 pounds attached at 1 in from the center of the servo’s horn (the point of rotation). The same servo can lift 2.5lbs at 2 inches from the point of rotation (2in x 2.5lbs = 5in-lbs). We offer two waterproof servos and one “resistant” servo intended for use on R/C sailboats (785HB). The rest of the servos are mildly water resistant and dust-proof.
You can upload images here directly (so long as you’re not planning to apply for a patent etc). We don’t offer consultation though - we don’t do custom work. We’re happy to help guide you to the right products, so include as much as you can about the project.