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October 2009

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Subject:
From:
"Rose, Kevin" <[log in to unmask]>
Reply To:
Rose, Kevin
Date:
Wed, 14 Oct 2009 16:01:09 -0400
Content-Type:
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text/plain (130 lines)
But they will be fastened with Velcro (Dual Lock) in 3 spots according
to field setup.
http://www.usfirst.org/roboticsprograms/fll/fieldsetup1.aspx#  -Model
Details - Bridge on FLL web site.


Kevin M Rose
Technology Education STEM Teacher
Nelson Middle School
6925 Thomas Nelson Hwy
Lovingston, Virginia 22949
434-263-4801-1909

-----Original Message-----
From: First Lego League in Virginia and DC
[mailto:[log in to unmask]] On Behalf Of Swayne, Nick
Sent: Wednesday, October 14, 2009 3:34 PM
To: [log in to unmask]
Subject: Re: [VADCFLL-L] A note on rechargeable batteries

I guarantee they will not be glued to the table wall.

-----Original Message-----
From: First Lego League in Virginia and DC
[mailto:[log in to unmask]] On Behalf Of Enit Kaduku
Sent: Wednesday, October 14, 2009 1:10 PM
To: [log in to unmask]
Subject: Re: [VADCFLL-L] A note on rechargeable batteries

I had a question regarding the red part of the bridge (on the north
wall):
Is it safe to assume that those pieces WILL NOT be glued to the table
walls?
Thanks,
Enit

-----Original Message-----
From: First Lego League in Virginia and DC
[mailto:[log in to unmask]] On Behalf Of Charles Aldridge
Sent: Wednesday, October 14, 2009 12:45 PM
To: [log in to unmask]
Subject: [VADCFLL-L] A note on rechargeable batteries

Teams using strategy to go under the low portion of the bridge (north
wall) 
may benefit from using AA batteries because the lithium rechargeable
battery

pack adds about a 1/4" in height to the NXT brick.

Charlie

----- Original Message ----- 
From: "John Barrett" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 14, 2009 9:58 AM
Subject: [VADCFLL-L] A note on rechargeable batteries


> Everyone,
> Just a heads up here.  Over the past two weeks, the pair of robots we
use 
> have started to exhibit some strange behavior.  For example, turns
were 
> becoming increasingly inconsistent and the robot would sometimes move
in 
> jerky movements at slow speeds.  The robots are 3 and 4 years old and 
> initially we thought it might be a motor problem or possibly the new
NXT 
> software.  Our teenage mentor suggested that the Lithium Ion batteries
may

> be going bad.  While we were initially skeptical, since both batteries

> showed full charges, we replaced the rechargeable batteries with
alkaline 
> batteries and the robots were back to their "normal" selves.  Aha!
>
> The lesson here is if you're using a robot with a rechargeable battery

> that is a few years old and you see some strange behavior, try
swapping 
> out the rechargeable with a new set of batteries.  It could save you
and 
> your team from going mad.
>
> John
>
> -- 
>
> John J. Barrett
> Industrial Medium, Inc.
> 1616 Anderson Road
> McLean, VA 22102
>
> (c) 703-231-5094
> (p) 703-286-0818
> (f) 703-286-0888
>
> http://www.industrialmedium.com 

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