Where can we buy or find out how to make the new floor, rigolith?

Emily269 · #1 03-01-2009, 19:58

Has anyone found where teams can purchase the moon balls?

Allison · #2 03-01-2009, 19:59

http://www.chiefdelphi.com/forums/sh...ad.php?t=71036

more simply walmart

MiniNerd24 · #3 03-01-2009, 20:12

Just wondering...i know it's not the thread to say this in but.. would Teflon sheets work just as good?

bhsrobotics1671 · #4 03-01-2009, 20:18

does anyone know the coefficient of friction for the floor? this would be really helpful...

MiniNerd24 · #5 03-01-2009, 20:20

well... asphault has a mu of about .12 coefficient so they said it's a 6th of that so maybe .02?

Sam2197 · #6 03-01-2009, 20:26

for the friction coefficient wouldn't it be a combination of the coefficient of the wheels and the floor surface. not sure if im right but it makes sense in my head

steadfasttuna · #7 03-01-2009, 20:26

coefficient of friction is .05 and .1 laterally if memory serves

gjalbert · #8 03-01-2009, 20:44

From the Kit Of Parts Manual:

The tread material is Celcon M90, and has the following coefficients of friction on white, rippled fiberglass plastic sheet

Inline, static: 0.06
Inline, dynamic: 0.05
Transverse, static: 0.14
Transverse, dynamic: 0.10

McGurky · #9 03-01-2009, 20:46

what i think would be the best plan would be to just find the slickest floor you can find in your school/build area.

a few ideas we came up with

freshly waxed floor
woodshop floor, once you get sawdust on it, and sweep it up, boy that is like ice.
Ice Rink
Rollerina

ATannahill · #10 03-01-2009, 21:00

What ice rink will let you take out your robot on it. On a simkilar note this bot will be hard to demo unless you bring some regolith to the demo.

Mike AA · #11 03-01-2009, 22:11

The best way to attach these panels is with an FRP adhesive and this would hold the edges down too. For a less "permanent" solution find some double sided acrylic sheet vinyl tape to just hold down the edges but be fore-warned these are sometimes brittle sheets.

-Mike AA

legotech25 · #12 03-01-2009, 22:19

Quote:

Originally Posted by Mike AA

The best way to attach these panels is with an FRP adhesive and this would hold the edges down too. For a less "permanent" solution find some double sided acrylic sheet vinyl tape to just hold down the edges but be fore-warned these are sometimes brittle sheets.

-Mike AA

Yeah, this stuff is very brittle and snaps easily, especially with how thin it is. If you do try to take it off of the floor, try keep it as straight as possible

viking · #13 03-01-2009, 22:24

Quote:

I don't think FIRST wants us to practice before regionals... anyway,

FIRST wants you to know as much about the game as possible before you go to the regionals.

You don't have to build the entire field, but I very strongly encourage you to build portions of the field. Perhaps this years trailer,or get a sheet of the Glasliner FRP and practice in a 4x8 area. Also we have found it worthwhile to at least tape out the entire area on the gym floor and practice driving.

Good Luck.

Prontopwnage · #14 04-01-2009, 13:49

I wouldn't even think of doing that because that stuff goes for about $35 a sheet, so... talk to your finance person first!

Booksy · #15 04-01-2009, 14:03

Can anyone confirm that this stuff is similar/the same?

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