I agree with Robot Bill:   You best bet is ensure your robot can perform
with a wall which is either short or tall.

For what it is worth, to the best of my knowledge, I think that all tables
currently used in Virgina-DC tournaments were built with 2x4s for wall.

Steve Scherr
 Virginia-DC FLL Referee Advisor

On Tue, Oct 30, 2018 at 1:47 PM Robot Bill <[log in to unmask]> wrote:

> 3-15⁄16" (100mm) is the maximum height of an official FLL table's
> walls.What will be at your competition *may *vary depending on the
> competition, but all the walls will be the same height at that competition.
> The table construction for official FLL Tournaments comply with the
> instructions provided by FIRST in the field setup instructions:
> <>.
> On page 3, it tells us, "The height of B and C must measure between H =
> 2-½" (64mm) and 3-15⁄16" (100mm)."
> [image: image.png]
> For those that are unaware, the rationale for the large tolerance in the
> wall height enables FLL to be an international program. Standard wood sizes
> vary from country to country. For example, in Europe, you cannot easily get
> a 2x4 like you can in the USA.
> Technically, in the USA, there are two common dimensional lumber sizes
> that can be used for the walls of a FLL table (between 64mm and 100mm
> tall): a 2x3 and a 2x4. The actual sizes of these two are 1-1/2" x 2-1/2"
> (38mm x 64mm) and 1-1/2" x 3-1/2" (38mm x 89mm).
> You best bet is ensure your robot can perform with a wall which is either
> short or tall. You can also ask the tournament coordinator what wall sizes
> they intent to use.
> Bill
> On Tue, Oct 30, 2018 at 12:49 PM Piyush Radadiya <[log in to unmask]>
> wrote:
>> Hi,
>> This is a question on the height of the side wall from the mission mat to
>> the top of wall. The table build guide says that minimum is 2.5" to maximum
>> 3.5". We have experienced that this height is well above 3.5" on
>> competition tables. does anyone know the maximum height of wall at the
>> competition?
>> Thanks,
>> Piyush
>> On Tue, Oct 30, 2018, 2:33 AM Laura Perlini <[log in to unmask]>
>> wrote:
>>> Hi all,
>>> I have so appreciated reading responses to various questions posted on
>>> this listserv. It has helped me learn a lot as a rookie coach. So a huge
>>> thanks to you more experienced coaches for answering questions so promptly.
>>> My team (BrainSTORM Troopers) has a question regarding the Satellite
>>> Orbits Mission (M12). The rules say you get points for any satellite on or
>>> above the two outer orbit lines. Does anyone know how “above” is defined?
>>> Is there a certain range/distance from above the outer orbit lines we
>>> should be staying within?
>>> Thanks in advance for any response!
>>> Take care,
>>> Laura

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