Thread: Servo
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Unread 04-10-2004, 20:22
Andy A. Andy A. is offline
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Re: Servo

Quote:
Originally Posted by MASherry
we're trying to modify our bot to show sponsors this year and there is no space for a pneumatic cylinder on the outside....the servo seemed like the best bet. Once the servo turns tho, the pipe will be resting against the frame of the robot so hit's impact will be taken by the pipe and bot and not the servo.

This is going to depend a whole bunch on some information we don't have.

The biggest things that comes to mind for me are:

How much does the pipe weigh?

How much torque does the servo produce?

How fast does this thing need to move?

From what little I know, a servo with 100oz in of torque is considered 'high torque'. Thats pretty dinky by FIRST standards, were a FP motor can put out something like 7000 oz inch's (correct me if I messed up the math there) at stall.

Also, servos have different rotation speeds. Unloaded they are usually pretty fast, but I suspect that higher torque units may be much slower due to more gearing. And if you use a 100oz in servo to move a 100oz in load, it'll probably do it pretty slowly.

From a rules standpoint, as long as the pipe serves no competitive purpose and is just a non functional decoration, your legit. In fact, if I'm reading the rules right, you would be allowed to buy any servo you want for this use. It all still counts to your weight limit, and has to be safe. Check last years manual section on decoration. I suspect next years rules will be the same.

Just remember that servos are powered by the RC's battery, not the main 12v battery. A high powered servo can draw a surprising amount of current, and you'll have to be careful about keeping that battery charged.

So. For a yes, you can or No, you can't kinda answer, you'll need to get some more information.

Some things to think about.

-Andy A.

Last edited by Andy A. : 04-10-2004 at 20:30. Reason: Spelling
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