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Unread 31-01-2016, 11:30
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pic: Are these legal?

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Unread 31-01-2016, 11:32
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Re: pic: Are these legal?

Are you asking if the blue Anderson connector is legal to use on your robot?

There are a lot of things in the picture... i dont think you would pass inspection with that laptop on your robot. But that waygo should be okay.
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Unread 31-01-2016, 15:42
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Re: pic: Are these legal?

Quote:
Originally Posted by Owen Busler View Post
Are you asking if the blue Anderson connector is legal to use on your robot?

There are a lot of things in the picture... i dont think you would pass inspection with that laptop on your robot. But that waygo should be okay.
Nitpick: actually such a laptop would be legal if it were powered off a DC-DC converter and the battery removed as it is a COTS computing device. Obviously overkill, but perfectly legal by itself.
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Unread 31-01-2016, 15:56
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Re: pic: Are these legal?

Quote:
Originally Posted by ratdude747 View Post
the battery removed as it is a COTS computing device.
The battery can stay if it's integral to the device.
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Unread 01-02-2016, 07:33
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Re: pic: Are these legal?

Quote:
Originally Posted by ratdude747 View Post
Nitpick: actually such a laptop would be legal if it were powered off a DC-DC converter and the battery removed as it is a COTS computing device. Obviously overkill, but perfectly legal by itself.
Please see R31...
In part it reads:
"Additionally, batteries integral to and part of a COTS computing device or self-contained camera are also permitted (e.g. laptop batteries, GoPro style camera, etc.),"

As to modifying the SB50/120 connectors, the intent of R66 is to prevent teams from modifying electrical items in such a way that would cause a safety issue. Removing anything from a high current electrical connector may affect the safe use of such an item. R9 is also a little more pertinent to this question. The SB connectors are tested by UL for specified current and voltage without parts removed.
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Unread 01-02-2016, 12:28
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Re: pic: Are these legal?

What about just painting the connector? Blue, purple, green, whatever if that is important to you?
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Unread 01-02-2016, 12:42
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Re: pic: Are these legal?

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Originally Posted by Bertman View Post
What about just painting the connector? Blue, purple, green, whatever if that is important to you?
I think R66 would apply and make painting the connector illegal. At least that is my take on the rules.
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Unread 01-02-2016, 20:43
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Re: pic: Are these legal?

Quote:
Originally Posted by orangemoore View Post
I think R66 would apply and make painting the connector illegal. At least that is my take on the rules.
R66 says nothing about the wires or connectors attached to the battery. It says you can't change or modify the battery (among other things).

I don't see an issue with modifying the connector to mate with another connector. This isn't reducing it's protection from a short or its current carrying capacity of the connector itself. It's like saying a car isn't safe in a crash because you took the dice off the mirror. They aren't integral to the function of the device.
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Unread 01-02-2016, 21:06
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Re: pic: Are these legal?

Somebody correct me if I'm wrong, but I could have sworn it was legal to make an adapter that goes from, say, a red SB50 to a SB100 and have it be part of your robot. Could the same thing work for blue to red SB50s, or am I mistaken?
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Unread 02-02-2016, 07:42
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Re: pic: Are these legal?

Quote:
Originally Posted by Al Skierkiewicz View Post
Please see R31...
In part it reads:
"Additionally, batteries integral to and part of a COTS computing device or self-contained camera are also permitted (e.g. laptop batteries, GoPro style camera, etc.),"

As to modifying the SB50/120 connectors, the intent of R66 is to prevent teams from modifying electrical items in such a way that would cause a safety issue. Removing anything from a high current electrical connector may affect the safe use of such an item. R9 is also a little more pertinent to this question. The SB connectors are tested by UL for specified current and voltage without parts removed.
And I'm sure they are tested without being painted or modified on the external surfaces of the connector as well. What's to prevent a team from wrapping a 1 1/2 inches of Viton around the connectors and 4 inches down the wire? Is that legal? My thought process tells me it is acting as insulting device and not allowing heat to be dissipated and possibly causing a meltdown.

The intent of R66 is to prevent the intentional modification of electrical components to maintain some reasonable level of safety. I am all for innovation, but there are some guidelines and rules we all need to stay within.

Plus, if you make it to the finals and you need to borrow a 'spare parts' battery, it will have a SB50. You won't be able to connect.
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Unread 02-02-2016, 08:01
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Re: pic: Are these legal?

"The SB50 connector series is keyed by color."

"Plus, if you make it to the finals and you need to borrow a 'spare parts' battery, it will have a SB50. You won't be able to connect."

It will be either a black or gray connector and it won't fit the blue one. This would be the biggest reason to not use the blue connector.

The color keyed SB50's is a nice feature if you know you'll never need to mate with a different color. We did a project with them, color coded cause it was cool and then got burned when we couldn't swap around. Decided to make "color adapters" and then decided to go black/gray all around with a strip of colored tape on the connector and cable.
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Unread 31-01-2016, 11:36
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Re: pic: Are these legal?

After reading the manual, I found no mention of any rule prohibiting a specific color of any object. Therefore I must believe that gray pneumatic wheels are legal.
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Unread 31-01-2016, 11:40
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Quote:
Originally Posted by Owen Busler View Post
Are you asking if the blue Anderson connector is legal to use on your robot?

There are a lot of things in the picture... i dont think you would pass inspection with that laptop on your robot. But that waygo should be okay.
Yea I am asking about the blue Anderson connectors. I couldn't find anything in the manual but, I have never seen a team use any 50a power poles that were not red or pink.
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Unread 31-01-2016, 11:51
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Re: pic: Are these legal?

What is the part number of the blue connector?

Then refer to the blue box associated with R36.

If that doesn't answer your question, search the Official FIRST Q & A.
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Unread 31-01-2016, 11:52
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Re: pic: Are these legal?

Quote:
Originally Posted by Sperkowsky View Post
Yea I am asking about the blue Anderson connectors. I couldn't find anything in the manual but, I have never seen a team use any 50a power poles that were not red or pink.
The color "blue" has been trademarked by teams 234, 254, 341, and 1086 and is therefore not a legal color for other FRC robots, parts, or teams. Unfortunately you can expect legal action if you or your team use anything "blue". I would recommend against it.
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Last edited by mrnoble : 01-02-2016 at 07:11. Reason: I forgot to list one of the trademark holders. Thanks, EricH!
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