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Unread 07-02-2008, 13:18
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Shooters vs Arms

I wanted to start a discussion on the effectiveness of shooters vs arm lifters.

Here are some pros and cons I see of both:

Shooters

Pros:
Quick release
Can hurdle "on the run"

Cons:
Cannot Place on Overpass at end
Can be "Blocked" easily
Cannot (on their own) knock down balls off overpass

Arm lifters

Pros:
Can knock balls off overpass
Can place on overpass at end of game
Cannot be "Blocked" while hurdling

Cons:
Slightly slower than shooters
Possible High Center of Gravity


In my analysis, an arm lifter can outscore a shooter bot fairly easily:

If an arm bot knocks a ball off the overpass during autonomous and places a ball on the overpass at the end:

20 pt difference

That means that a shooter bot would have to hurdle 2 extra times (and pass finish line) to make up the point difference.

So the question to ask is: Can a shooter get two (or more) extra laps while hurdling when compared to an arm bot?

Please comment and continue this discussion.
__________________
Gabriel Goldman
PhD Candidate
RoMeLa: Robotics and Mechanisms Laboratory
http://www.me.vt.edu/romela
Virginia Tech