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  Topic: When are we doing robot wall fighting?
kato

Replies: 5
Views: 33438

PostForum: Other Radio Control Toys   Posted: Wed Dec 30, 2015 7:24 am   Subject: When are we doing robot wall fighting?
Saw this today - Disney Autonomous Systems Lab has created a wall-climbing robot. Made of lightweight Carbon Fibre and 3D printed parts.

http://www.3ders.org/articles/20151229-disney-develops-3d-p ...
  Topic: randomness
kato

Replies: 411
Views: 164963

PostForum: Off-Topic   Posted: Mon Nov 30, 2015 2:37 pm   Subject: randomness
Don't be afraid to go bank shopping. If you get a better deal somewhere else, make sure you go back to your original bank and ask them to sharpen their pencil - they won't "beat it by 10%" like Bunni ...
  Topic: Wolfe Industries-3K build
kato

Replies: 320
Views: 119319

PostForum: Builders Reports   Posted: Mon Oct 05, 2015 2:43 pm   Subject: Wolfe Industries-3K build
Friction drives would also get the wheel speeds all the right ratio, as it transfers the surface speed of the wheel, not the angular velocity of the axle.
  Topic: Jolt & friends - Team Overkill - NSW
kato

Replies: 8590
Views: 2060754

PostForum: Builders Reports   Posted: Sat Oct 03, 2015 8:49 am   Subject: Jolt & friends - Team Overkill - NSW
We need a "like" button.
  Topic: Determining Weapon RPM - (400rpm)
kato

Replies: 3
Views: 4354

PostForum: Rules, Safety, Administration   Posted: Tue Sep 29, 2015 10:43 am   Subject: Determining Weapon RPM - (400rpm)
Strobily Free for smartphones. I use it at work for timing rotating machinery. It has strobe and tacho modes which both can be used to see whether a spinning weapon exceeds an RPM threshold, can mea ...
  Topic: MegaBots vs Suidobashi in 12 months time.
kato

Replies: 0
Views: 3372

PostForum: General Chatter   Posted: Tue Jul 07, 2015 4:28 pm   Subject: MegaBots vs Suidobashi in 12 months time.
http://www.abc.net.au/news/2015-07-07/fighting-robots-face-off-after-japanese-firm-accepts-challenge/6600076

https://www.youtube.com/watch?v=XVJTGLL2SnI

I couldn't be happier!

edit: the Japa ...
  Topic: Jolt & friends - Team Overkill - NSW
kato

Replies: 8590
Views: 2060754

PostForum: Builders Reports   Posted: Mon Jun 29, 2015 5:41 pm   Subject: Jolt & friends - Team Overkill - NSW
Frame straightening:
There are two large clamps across the front bulkhead to help prevent any welds from cracking while the jack is pumped out...

If the jack is pushing out with ten ton of force, ...
  Topic: Robot videos
kato

Replies: 797
Views: 247137

PostForum: General Chatter   Posted: Fri Apr 10, 2015 9:44 am   Subject: Robot videos
Motorama 2015 videos.
http://sparc.tools/forum/index.php?topic=76.msg644#msg644

Particularly amusing are the assbots Laughing
  Topic: Bargain Buys and Interesting Products
kato

Replies: 610
Views: 238087

PostForum: The Marketplace   Posted: Wed Feb 04, 2015 10:37 am   Subject: Bargain Buys and Interesting Products
This is cheap! Makita battery drill / screwdriver plus accessories $25 delivered:

http://www.ebay.com.au/itm/like/111590579843?hlpht=true&ops=true&viphx=1&_trkparms=clkid%3D38281213748 ...
  Topic: Budget Bot v4 - Sub $100 Robot.
kato

Replies: 76
Views: 34495

PostForum: Builders Reports   Posted: Fri Nov 07, 2014 1:05 pm   Subject: Budget Bot v4 - Sub $100 Robot.
A robot class where you were limited to a certain set of materials or a certain dollar value of components would be an interesting idea. I'd like to see that.

Cutting boards, drill motors, wood, r ...
  Topic: NSW 2015 Event calender
kato

Replies: 33
Views: 23084

PostForum: State Specific Information   Posted: Wed Oct 29, 2014 9:35 am   Subject: NSW 2015 Event calender
I saw a video of two sportsman robots that were both within the rules but combined they made a dangerous situation in just a barricaded arena. It was a flipper and a chainsaw bot - the flipper threw ...
  Topic: Commercial Nar Kart?
kato

Replies: 13
Views: 10998

PostForum: General Chatter   Posted: Thu Oct 16, 2014 10:58 pm   Subject: Commercial Nar Kart?
Now in adult size. So much envy going on here.
http://youtu.be/FrGFjAlawmg
  Topic: Robowars 2015 - Ideas, Thoughts, dates, etc.
kato

Replies: 32
Views: 22058

PostForum: State Specific Information   Posted: Fri Oct 10, 2014 8:34 am   Subject: Robowars 2015 - Ideas, Thoughts, dates, etc.
I didn't field a robot because I'm slack / povo / not much of a constructor, however my son and I came along on the Saturday and watched from 11:00 until the end.

I was very motivated by everyone's ...
  Topic: Brushless limit switch?
kato

Replies: 15
Views: 11977

PostForum: Technical Chat   Posted: Tue Sep 09, 2014 4:41 pm   Subject: Brushless limit switch?
If you're going to have any automated motor reversing strategy, MAKE SURE you use a break-before-make switch, otherwise you could easily cause a wiring/switch/battery/esc fire when both sides of the ...
  Topic: Jolt & friends - Team Overkill - NSW
kato

Replies: 8590
Views: 2060754

PostForum: Builders Reports   Posted: Tue Aug 26, 2014 11:34 pm   Subject: Jolt & friends - Team Overkill - NSW
Hey Nick, you could try "diluting" the lead free stuff with regular old 60/40 solder. The mixture is very likely to be a lower melting point than the 0% Pb.

The usual caveats apply - don't lick it ...
 
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