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-   -   pic: FRC488 - Octocanum Drive Rendering (http://www.chiefdelphi.com/forums/showthread.php?t=125519)

Michael Corsetto 31-01-2014 12:52

Re: pic: FRC488 - Octocanum Drive Rendering
 
Quote:

Originally Posted by XaulZan11 (Post 1335345)
Do you need both intake arms down to shoot or do you have enough clearance?

It looks like since they're on motors, they could potentially have more than a "down" and "up" position to their rollers. Really nice.

-Mike

Madison 31-01-2014 13:54

Re: pic: FRC488 - Octocanum Drive Rendering
 
Quote:

Originally Posted by AllenGregoryIV (Post 1335223)
Can everyone post teasers that are like this, you are actually able to decode what a team is doing from it.

Of course, I dislike teasers tremendously. I'll post a rendering of the completed CAD model as soon as it's done. I don't like sharing work that isn't of a high-caliber.

Quote:

Originally Posted by Mark Sheridan (Post 1335329)
Very cool. Where did you get those follower omni wheels from?

They're 3" Tetrix omniwheels from FTC kits. The actual diameter is closer to 2.75", though.

Quote:

Originally Posted by XaulZan11 (Post 1335345)
Do you need both intake arms down to shoot or do you have enough clearance?

We do need to lower them a bit, but not to their lowest extent. When lowered far enough for the ball to be catapulted cleanly, the arms do not extend beyond the ends of our bumpers.

pwnageNick 01-02-2014 05:54

Re: pic: FRC488 - Octocanum Drive Rendering
 
Quote:

Originally Posted by Madison
They're 3" Tetrix omniwheels from FTC kits. The actual diameter is closer to 2.75", though.
Quote:

Originally Posted by Mark Sheridan
Very cool. Where did you get those follower omni wheels from?


The 2.75" Double Roller Omni Wheels are also quite nice.

http://www.vexrobotics.com/276-1902.html

And if you don't like using the 1/8" square bore in them you can shove a 1/4" hex shaft through them. Some VEX teams have done it before with 1/4" hex standoffs (since that's a legal VRC part). You might be able to take it up to 3/8" hex if you machine it.

gpetilli 01-02-2014 08:46

Re: pic: FRC488 - Octocanum Drive Rendering
 
Quote:

Originally Posted by pwnageNick (Post 1335695)
The 2.75" Double Roller Omni Wheels are also quite nice.

http://www.vexrobotics.com/276-1902.html

And if you don't like using the 1/8" square bore in them you can shove a 1/4" hex shaft through them. Some VEX teams have done it before with 1/4" hex standoffs (since that's a legal VRC part). You might be able to take it up to 3/8" hex if you machine it.

We are using the Vex dually as follower wheels. We even use the Vex encoders on the 1/8" shaft. We made 3d printed forks to hold it all together.


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