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September 2016

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Subject:
From:
VA-DC Referee Advisor <[log in to unmask]>
Reply To:
VA-DC Referee Advisor <[log in to unmask]>
Date:
Wed, 14 Sep 2016 00:41:22 -0400
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This has been a very interesting discussion.  I haven't seen it come up
elsewhere yet.

First, and very importantly, although it might be easy to "attach" the
White Gecko to the Robot, it may not be allowed.

R11 Mission Model Handling, bullet 2 says:

   -

   If you combine a Mission Model with something (including the Robot), the
   combination must be loose enough that if asked to do so, you could pick
   the Mission Model up and nothing else would come with it.

Certainly there are many ways to a robot to carry the Gecko without them
being so tightly attached as to violate R11, but this is something to
remember to check for.  Don't let your team's mission solutions combine
mission models with anything else so tightly that they cannot easily
separate as described in R11.


On to the main discussion point.  The scoring requirements for M05
Biomimicry are

EXACT SCORING REQUIREMENTS:

   -

   Visible at the end of the match: The Biomimicry Wall completely
   supports:

   o All the weight of the White Gecko: 15 Points

   o All the weight of the Robot: 32 Points
   -

   More: For an object to score, no part of it may be in contact with
   anything but the Biomimicry Wall and/or Green Gecko, except two scoring
   objects may be in contact with each other

M05 requires the wall to support the *weight* of the Gecko.  In the
scenario where the robot is hanging on the wall and the Gecko is hanging on
the robot, the weight of the Gecko is transmitted through the Robot,
through the Wall down to the mat.  There is no other object that transmits
any of the weight of the Gecko to the mat, so I'd be inclined to agree with
a team that made a case that they should get all 47 points for M05.

Maybe that's using a definition from Physics class, rather than the common
conversational meaning (GP2), but I could be convinced that it deserves
Benefit of the Doubt.

Steve Scherr




On Mon, Sep 12, 2016 at 2:38 PM, John Coleman <[log in to unmask]> wrote:

> I would assume not since it doesn’t meet the spirit of the mission. It is
> trivial to attach the gecko to the robot.
>
> > On Sep 12, 2016, at 2:37 PM, Thomas (Tweeks) Weeks <[log in to unmask]>
> wrote:
> >
> > On Monday 12 September 2016 14:14:47 John wrote:
> >> Example: the robot fully hangs on the wall while holding the white
> gecko.
> >> (points awarded only for robot)
> >
> > In this case, the wall would be supporting the weight of both. Full
> points..
> > no?
> >
> > Tweeks
> > --
> > Thomas "Tweeks" Weeks
> > Education / Technical  Community Evangelist
>
>

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