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

Regolith is the surface of a rock. The actual flooring material is about $1000 for a full field. See if other teams can pitch in a few bucks and share it with them.

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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.

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

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

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

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

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

Actually its spelled regolith, and it is actually what the surface of the moon is covered in. Here is a short description of it from wikipedia: Regolith (Greek: "blanket rock") is a layer of loose, heterogeneous material covering solid rock. It includes dust, soil, broken rock, and other related materials and is present on Earth, the Moon, some asteroids, and other planets. The term was first defined by George P. Merrill in 1897 who stated, "In places this covering is made up of material originating through rock-weathering or plant growth in situ. In other instances it is of fragmental and more or less decomposed matter drifted by wind, water or ice from other sources. This entire mantle of unconsolidated material, whatever its nature or origin, it is proposed to call the regolith."

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

Apparently Menards has the stuff on sale through the 18th for something like $24 for a 4'x8' sheet.

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

FIRST is using 3 8'x50' rolls of the stuff, so if you can find where to get those I imagine they're significantly cheaper overall than buying a ton of 4'x8' sheets.

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

lol, we are gonna try to put it on our freshly waxed gym floor or our local skating rink, not exactly the same, but close to it