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 Help me design Plum's new robot!!!

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MikeNCR
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 12:09 am

I don't think I've seen many/any 12/15lb spinners like Mr. Self Destruct/2EZ. A good flipper could be entertaining, but would be quite difficult I suspect.
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Jeff L
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 1:18 am

Give me a few days and I'll be back in Miami to finish the flipper guide - it may be something you'll be interested in (I'm in San Diego until Saturday or so).
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Cody
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 4:52 am

Alex is being stubborn and wants something thats invertible, mauler dance doesnt work for him hahahaha
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Dan Curhan
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 2:21 pm

an invertible flipper - you have two arms and can choose which to fire to flip... Razz
could be interesting... maybe...
cyclops
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Jeff L
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 7:36 pm

Dan Curhan wrote:
an invertible flipper - you have two arms and can choose which to fire to flip... Razz
could be interesting... maybe...
cyclops
The last version of X-Contamination was capable of self-righting:

Self-righting with a flipper is mostly determined by the location of the center of mass of the robot.
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Sean Rubin
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 8:07 pm

Everyone point and laugh at the fat kid!!
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Josh Raichel
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 8:35 pm

Full body spinner, Alex.

It would be a good challenge, and something different. I had a design for one, before we made Warthawg (hate that bot..) that had a friction plate drive, and looked like a mini Ziggo. I couldn't figure out electronics for it then... Now that i think about it, 2 AXi 2826's would have fit and done the trick....

There are many ways you can drive the shell, various shell designs, all kinds of FUN!!

Other than that you could do a brick. Load the outside with Ti and tool steel armour, and magnet the crap out of it. Made it a virtual 50lbs bot.


Vertical Disc would be another option. I have yet to see a good one in the BotsIQ/NARL league.
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Jeff L
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 9:30 pm

Josh Raichel wrote:
Full body spinner, Alex.

It would be a good challenge, and something different. I had a design for one, before we made Warthawg (hate that bot..) that had a friction plate drive, and looked like a mini Ziggo. I couldn't figure out electronics for it then... Now that i think about it, 2 AXi 2826's would have fit and done the trick....

There are many ways you can drive the shell, various shell designs, all kinds of FUN!!

Other than that you could do a brick. Load the outside with Ti and tool steel armour, and magnet the crap out of it. Made it a virtual 50lbs bot.


Vertical Disc would be another option. I have yet to see a good one in the BotsIQ/NARL league.
If you figured out how to make a spinner that didn't self-destruct, that would be pretty cool... but it's not the easiest thing to do. I would personally make a shell spinner or a melty (invertible robots are a good thing).

As for the brick, look no further than CuddleBunny, that had an additional 180 virtual pounds added with its vacuum unit. Pound for pound, vacuums will beat magnets every time (in the hobbyweight class and up).
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Josh Raichel
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 9:33 pm

Jeff L wrote:
Josh Raichel wrote:
Full body spinner, Alex.

It would be a good challenge, and something different. I had a design for one, before we made Warthawg (hate that bot..) that had a friction plate drive, and looked like a mini Ziggo. I couldn't figure out electronics for it then... Now that i think about it, 2 AXi 2826's would have fit and done the trick....

There are many ways you can drive the shell, various shell designs, all kinds of FUN!!

Other than that you could do a brick. Load the outside with Ti and tool steel armour, and magnet the crap out of it. Made it a virtual 50lbs bot.


Vertical Disc would be another option. I have yet to see a good one in the BotsIQ/NARL league.
If you figured out how to make a spinner that didn't self-destruct, that would be pretty cool... but it's not the easiest thing to do. I would personally make a shell spinner or a melty (invertible robots are a good thing).

As for the brick, look no further than CuddleBunny, that had an additional 180 virtual pounds added with its vacuum unit. Pound for pound, vacuums will beat magnets every time (in the hobbyweight class and up).

Yea but after the competition is over, you can play with the magnets!! Redemption may have sucked at the MOA event, but those extra magnets kept me entertained the rest of the time there.

Well i guess you can play with the vacuums aswell, but...umm....lets not go there.....
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Josh Raichel
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 9:49 pm

Alex Udanis wrote:

I would love to do a fbs, but self righting is the huge issue

You do not need a self righting, but rather a preventive device for being flipped over. A hockey stick like tube that extended up from the center of the shell is all that kept Ziggo from getting flipped over. With about 10mins of math, and some drawing you could make a simple pole and extensions that would prevent you from becoming a turtle that is flipped over.


Its very much doable.
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Josh Raichel
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 10:00 pm

Hahaha.


My only worry about that is it slipping too much during start up.

Our junior team's undercutter had a impact hammer's clutch in it. But during testing a day before the comp, they found out that the clutch was engaged the entire time from the force of the Scorpion's spinning.

I fear the friction drive would do that.
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Jeff L
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PostSubject: Re: Help me design Plum's new robot!!!   Thu May 14, 2009 11:40 pm

The biggest problem I see with magnets though is a lot of competitions don't use steel floors, and that immediately makes magnets useless. With vacuums you'll be able to operate on any smooth surface.

As far as CuddleBunny's performance goes, I think it could push full 100+ lb boxes around with ease.
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Cody
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PostSubject: Re: Help me design Plum's new robot!!!   Fri May 15, 2009 12:23 am

THANK YOU JOSH!!!
Ive been trying to convince him on a mini megabyte
Its not the FBS dont work in mini class, just no one has really built a good one(the challenge)
I honestly think Tornado Mini is one of the best ive seen, i love it lol, excpet for his electronics problem
Blender mini was top heavy and bloomsburgs shell sucked
As for the magnets vs. vacuum debate, id rather have magnets
We have yet to compete somewhere that doesnt have a steel floor, but as soon as you lose a seal your in trouble
You florida kids have a different mindset Razz
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Jeff L
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PostSubject: Re: Help me design Plum's new robot!!!   Fri May 15, 2009 7:38 pm

I agree with the idea to include a pole that either prevents inversion outright or allows the robot to bounce itself back over if you go for a spinner - it just makes sense to include one.

Cody, we Floridians have encountered wood floors many times before so that's where our preference for vacuums comes from. I do understand the concern with having a damaged skirt though, but odds are you've got more problems to worry about if a vacuum robot is inverted (like the vacuum not running). If you want just a little bit of downforce to counter gyroscopic effects though, magnets are definitely the best choice.
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Will Bales
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PostSubject: Re: Help me design Plum's new robot!!!   Sat May 16, 2009 11:29 am

go with magnets if it has an active weapon. all of the floors now are steel because anything else would be eaten through by the weapons on the top end bots.

DO A FBS! make a good one. it needs to be done. badly.
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