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Yet to be Named - Team OverVolted - VIC
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Yet to be Named - Team OverVolted - VIC

Weapon - LPA Flipper - Starting off with air pressurized at around 100-200 psi. Also a 3 bar design.
Drives - 2x 18v drills at back
ESC - Scorpion XXL
Armour - Steel or Aluminum
Batteries - 18v Drill Ni-Cds



Im still waiting on more parts

This is also my first Combat Bot Smile
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Viggy!
1st Robot in progress!


Last edited by Vignesh on Sun Apr 17, 2011 1:09 pm; edited 3 times in total

Post Wed Feb 23, 2011 8:14 pm 
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frogbiscuit



Joined: 26 Aug 2010
Posts: 82
Location: Wollongong


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Excellent. Always good to see some new blood.

What weight class you aiming for?
You got drawings or rough sketches of what it'll look like?

Post Wed Feb 23, 2011 9:34 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Im aiming for featherweight cuz it looks like the only battles in vic are
Feathers. Once i get my Pneumatic system ill start creating designs. I have like a
Trapezium shape in my head...
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Viggy!
1st Robot in progress!

Post Wed Feb 23, 2011 9:53 pm 
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dyrodium
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Joined: 24 Aug 2004
Posts: 6476
Location: Sydney


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That is a humongous ram...! Have a look at four bar linkages, you will get some really nice throws using that, and they can lie flat in the frame. Good example would be super heavyweight ziggy. Best of luck! Smile
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Post Wed Feb 23, 2011 10:21 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Yea i was discussing with aaron about the type of flipping mechanism and i decided on a four bar after he showed me ziggy. Btw the details of the ram is: 40mm bore 160mm stroke and takes 10 bar Very Happy
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Viggy!
1st Robot in progress!

Post Wed Feb 23, 2011 10:54 pm 
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Jaemus
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Joined: 01 Apr 2009
Posts: 2674
Location: NSW


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nice ram!

welcome aboard viggy

i notice you havent planned to overvolt this robot despite your team name Very Happy
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Wed Feb 23, 2011 11:18 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Yes im very bad at making names but i saw my Drill Ni-cad and thought of overvolted as a team name... Yea btw this robot is gonna take months to be made because being a 13yr old... I dont have alot of money. And can anyone give me 4 bar lifter dimensions that will work with my ram?
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Viggy!
1st Robot in progress!

Post Thu Feb 24, 2011 10:53 am 
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dyrodium
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Joined: 24 Aug 2004
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Well being a 13yo you probably have lots of lego technic, get some bars out and have a play around! You can use the hole spacing scaled up as long as everything is scaled the same. Smile
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Post Thu Feb 24, 2011 11:07 am 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Yes i do I have a lego NXT and i made a rubiks cube solver. And it uses a 4 bar lifter.
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Viggy!
1st Robot in progress!

Post Thu Feb 24, 2011 1:46 pm 
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Glen
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Joined: 16 Jun 2004
Posts: 9481
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Looks pretty good Smile you've got most of the parts ready to go.

Build the basic robot first before you even consider the pneumatics though, Just having a plank that runs around under its own control is a massive enough learning curve on its own!

Keep up the good work Smile

Post Thu Feb 24, 2011 1:51 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Yea thankx Glen. I had cut up a piece of plywood up so i count temporarily mount the motors on then get all the driving working before i even create any of the flipping components.
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Viggy!
1st Robot in progress!

Post Thu Feb 24, 2011 3:45 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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Do you guys know of any 4 bar lifter/flipper calcs? The one on http://www.totalinsanity.net/tut/mechanical/4barfrontbar.php dosent install for me. I tried using my lego stuff but nothing registered in my head Evil or Very Mad This four bar thing is really confuzing
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Viggy!
1st Robot in progress!

Post Thu Feb 24, 2011 8:47 pm 
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Glen
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grab some cardboard and make a 1:1 scale mock up of it Smile

Post Thu Feb 24, 2011 8:49 pm 
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Vignesh



Joined: 17 Jan 2011
Posts: 305
Location: Dandenong North Victoria


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That just might be crazy enuf to work Razz
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Viggy!
1st Robot in progress!

Post Thu Feb 24, 2011 8:54 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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Woody is the Go-To guy for flippers. He knows absolutely everything about them and since he already replied to a post of yours, I would ask (very nicely) if he can give you a bit of advice and his flipper spreadsheet. Its a bit complicated to learn, but if you spend some time on it, the sheet can answer just about any pneumatic flipper engineering question you might need.

The Riobotz book also has an OK section on flippers. If the 4 bar design looks too confusing, start off with a 3 bar design, which is much easier and still gets the job done.

Post Thu Feb 24, 2011 9:26 pm 
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