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[DPRG] Contests at the Science Place

Subject: [DPRG] Contests at the Science Place
From: Charlie W Youngblood chaz128 at juno.com
Date: Thu Feb 7 12:15:25 CST 2002

On Wed, 6 Feb 2002 19:59:34 -0800 (PST) Patrick Innes <kc5ugq at yahoo.com>
>Not sure if this is what is being intended, but this
>is what I'm reading:
>Station one person per contestant bot alongside the
>course, sighting down the line at the "turnaround
>point".  If the bot crosses the line completely, the
>flag goes up.  If not, it stays down.

Green if up motion, red if down motion. 

>Timer starts at original line crossing, stops at
>finish line crossing (or when the bot is all the way
>in, or whatever).  After the timer is stopped,
>timekeeper looks up to see if all the flags involved
>are raised.

Or lowered. Accually the timers only job is to time and give the
measured time to the judges at the table, who are looking to 
see if the flags are indicating completion. 

>Timer start/stop can be done by hand, laser, IR, what
>have you.  The flags are only used to validate the
>time, rather than being used as the basis for the time

Correct! :-) 
	Charlie Youngblood

>-- Patrick
>   KC5UGQ
>   Frederick, MD
>--- Rodent <daweasel at swbell.net> wrote:
>> The drawback to the flag idea is now we have at
>> least two humans attempting
>> to accurately time the event. From what has been
>> described, it appears timer
>> must watch the person watching the finish line to
>> signal a fair finish and
>> then stop the clock. Not as accurate as what we have
>> now.
>> Randy has graciously offered the timer on several
>> occasions and I think we
>> should give it a shot -- maybe he can demo it at the
>> meeting Saturday?
>> As for the robot completely entering area A before
>> it finishes, it really
>> should not make much difference in the timing unless
>> the robot is four feet
>> long.
>> ----- Original Message -----
>> > If a flag were to be used, it should be held high,
>> then dropped to
>> > indicate completion. It is easier, and shoud
>> happen more quickly with
>> > respect to actual event completion.
>> > > How about a line judge with a green flag. When
>> the robot is all the
>> > > way in area B, C, or A then the judge raises the
>> flag.
>> > > >Can we rely on the judges eyes for that, or do
>> you thing we need
>> > > >another
>> > > >laser at the B end of the course?
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