Go to Post Meanwhile, it's water over the dam, spilled milk, etc. Let's drop the subject and get on with life. I am seeing people warming up their lawyerism, which is not a good thing when we are coming up on build season. - EricH [more]
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Unread 16-02-2016, 11:56
Joe Johnson's Avatar Unsung FIRST Hero
Joe Johnson Joe Johnson is offline
Engineer at Medrobotics
AKA: Dr. Joe
FRC #0088 (TJ2)
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Re: Legality of third party fans

Quote:
Originally Posted by Jon Stratis View Post
<snip>
That said, when inspecting the robot, I'm not going to be closely examining every fan that's attached to a speed controller.
<snip>
Limiting the discussion just to Victor fans for the moment, the way I read the rules you don't have to have these fans attached to a speed controller at all, they just have to have been attached to speed controller that was in a FRC KOP in some year (i.e. they have to be Victor Fans).

The really attractive thing about this rule (IF I AM CORRECT about not having to use them for their original purpose) is that they can be used in unlimited numbers and they can be powered directly via a 20A breaker per Table 4-2 in R48. That is, you don't have to be able to turn them off when you are disabled. Turn on the main breaker and your fans go on.

The way I read this, you could make a hovercraft with hundreds of these guys if you wanted to as long as you powered them all via the 20A breaker.

Am I wrong?

Dr. Joe J.
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Last edited by Joe Johnson : 16-02-2016 at 11:58.
 


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