# Climbing ideas?

So when we have climbed in the past, there has always been something to grab a hold of, such as a bar in last years game. This year there are no such pleasantries. We had the idea of auxiliary wheels, like those trucks that can drive on railroad tracks and the highways. Our idea was triangle wheels to grab the top of the big step and drive up. What other ideas do you guys have?

Maybe not, but I always enjoy watching. The big step might take something more.

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The thing that some people are scared to look at is that you DO have something you can grab onto, it is just not traditional. You have that ENTIRE block. Grab the sides? Use the front? Grabbing the sides is going to be hard, but it is never going to be impossible.

Wow! Dan Green hasnâ€™t aged at all since 2004.

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I initially thought of this video when I saw the game. No idea if its even possible given the geometry of the robots or the field. https://www.youtube.com/watch?v=CXvxIy4YupI

Bumpers will make this more of the challange

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You could use rubber on something to extend grab up the top of the block (the rubber on the survace should help out regarding giving a â€śgrabâ€ť on the surface) and pull in, and then have the robot vertical-drive up the wall with a wheel/tracks on the front of the robot. You should also have something extend out back so when you do get to the top you donâ€™t just fall over backwards.

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You have that ENTIRE block. Grab the sides? Use the front?

Actually, any climb that ends with the robot being supported by the sides or the front of the block is illegal.

For the purposes of assessing SANDSTORM and HAB Climb Bonuses described in Table 4-1, a ROBOT is considered to have started from, or climbed to, a HAB Level if:
â€¦the ROBOT is only supported by:
â€”surfaces of the HAB at or above that Level

Presumably, the sides and front of the 3rd level block are off-limits because they are vertically below the 3rd level.

As I understand the rules, grasping the any part of the field is illegal.

Because of G23, you are allowed to push things under your bot.
Therefore, you can use things such as pneumatic cylinders, lead screws, and other extending systems to push yourself up. You would need to find a way to get the front wheel on the platform to get on it fully, perhaps by angling the extension.

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As I understand the rules, grasping the any part of the field is illegal.

There is an exception built into the manual specifically for the HAB platform, so this is incorrect.

G15. Be careful about what you interact with. DRIVE TEAMS, ROBOTS, and OPERATOR
CONSOLES are prohibited from the following actions with regards to interaction with ARENA elements. Items A-D exclude GAME PIECES and the HAB PLATFORM.

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I believe the rules allow bumpers to be actuated this year for end game specifically

Oh wow, I need to read the rules better. Thanks for clearing this up @Epicular!

I believe the rules allow bumpers to be actuated this year for end game specifically

Oh wow, youâ€™re right. This is huge. It opens up new possibilities such as the robot pushing itself upwards from below.

G23. Keep your BUMPERS low. BUMPERS must be in the BUMPER ZONE (see R25) during the MATCH unless a ROBOT is completely in its HAB ZONE or supported by a ROBOT completely in its HAB ZONE.

I think R26 says noâ€¦

R26. BUMPERS must not be articulated (relative to the FRAME PERIMETER).

I may be wrong but I believe that it means away from the robot but up or down is fine.

I think R26 is intended to prevent a robot from shifting up its own bumpers relative to the rest of itself. This would make extensions below the bumpers legal. At least thatâ€™s how I interpreted itâ€¦

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G23. Keep your BUMPERS low. BUMPERS must be in the BUMPER ZONE (see R25) during the
MATCH unless a ROBOT is completely in its HAB ZONE or supported by a ROBOT completely in
its HAB ZONE. A ROBOT is â€ścompletely in its HAB ZONEâ€ť if its BUMPERS are entirely between its
ALLIANCE WALL and the vertical plane defined by its HAB LINE.

Continuing it seems like bumper rules changes for the HAB zone.

First off, thanks for the ideas in this thread! 1775 is prototyping a climb level 2 and a climb level 3. Our level 2 ideas are almost complete (a system similar to 111â€™s 2004 robot in the video above and using a tank system with front wheels a few inches above the driving wheels).
Our climb 3 is reaching a standstill, as we think all of our ideas are totally impractical (an extendable roller with surgical tubing that should have enough grip to pull up the robot; L-shaped clamps on the side of the robot, or extendable legs that raise up over 19 inches). With the G23 exception, we are looking to do a massive version of11â€™s 2004 robot, but 19 inches is no small feat so we shall seeâ€¦