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Re: Mecanum vs. Tank Drive?
Tank.
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Re: Mecanum vs. Tank Drive?
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Re: Mecanum vs. Tank Drive?
Mecanums are effective if there's no defense present. There will be lots of defense this year and it will be brutal. Especially since there are no safe zones when you are looking to score gears.
Go with tank drive. |
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Re: Mecanum vs. Tank Drive?
Respectfully speaking, mecanums get a bad rap. While it does have a slight disadvantage in a pushing contest, in my opinion, it is way overstated on CD. Weight distribution is important but not mission critical. Hard programming? How is it harder? Practice is critical, but isn't it for every team/drivetrain? Humbly speaking, the students have 2 Blue Banners using mecanums. Not sure what we'll do this year but mecanums are in the running.
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I think this year's game may require defense. So I'd steer clear (get it?) of mecanum. |
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There's lots of jokes/meme's around mecanum, because for contact games, it's just not what teams in picking positions want out of a second pick, so those mecanum robots get instantly dropped from pick lists. Carefully consider if this is a risk your team is willing to take. -Mike "Friends don't let friends build mecanum" |
Re: Mecanum vs. Tank Drive?
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Re: Mecanum vs. Tank Drive?
The biggest thing that kills me about Mecanum is when I am at a competition and I see a Mecanum robot being driven around like a tank. Unless your design, driver, and auto really utilizes strafing then you should not be using mecanum at all. Look at your strategy and ask yourself "do we need mecanum or will drive practice also get us where we need to be"
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Re: Mecanum vs. Tank Drive?
Interesting thread.
Mecanums get a bad rap. With a skilled driver a mecanum drive train can be very effective, ease of alignment to the high shot and placement of a gear negates the use of a turret for a quick "lock on" of the high boiler and a passive gear holding system can be used for the "lift." As far as defense, I look at it this way, a running back on a football team charges the defensive line, usually made up of bigger, stronger guys. He'll hit the line, bounce off, rotate out and start upfield again, being more agile sometimes is better than stronger. As far as playing defense, All you have to do is hit the opponent on a corner of the frame to knock the robot out of their 'spot' of slow them down and prevent them from completing all their cycles. It's not always about brute force. |
Re: Mecanum vs. Tank Drive?
I suppose I have a few questions...
If teams are in a position to pick and simply refuse to select an alliance partner that uses Mecanum simply because they use Mecanum then isn't that a problem? I would hope that teams are utilizing scouting and performance in order to determine alliance partners...though that may not be the case. One thing that we might consider is, if a team on the opposing alliance is tied up defending however successfully against one alliance partner, then that is one less team member on the opposing alliance that is off scoring points... Finally I think it comes down to strategy. Saying that mecanum means that a team will be easy to defend against isn't exactly accurate. A mecanum drive robot can work to avoid conflicts instead of engaging in them. I hope I haven't tipped my hat too much...Oh...and best of luck to all. Edoga |
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-Mike |
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While our best year involved us using a mecanum drive (mistake), we practically never used it in matches, the positioning was close enough that we didn't have to make large changes. Bottom line is that with plenty of drivers practice, you won't need to be able to strafe because your drivers will get to the exact spot almost every time.
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