Forum: Motors
04-20-2016, 09:44 PM
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Replies: 3
Views: 870
Re: Legal servos
The servo can only draw as much current as the 12v to 6v converter can provide, the rail will not give out more than 2.2A.
Using a larger servo for the robustness is a great idea, it won't be able...
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Forum: Championship Event
04-20-2016, 09:39 PM
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Replies: 181
Views: 30,909
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Forum: Championship Event
04-20-2016, 07:35 PM
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Replies: 181
Views: 30,909
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Forum: Rules/Strategy
04-20-2016, 09:47 AM
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Replies: 3
Views: 1,300
Re: Making a scale stack
It would not be worth it. With the weight you use to build the ramp or strengthen the robot to take the weight you could easily build a reliable and fast scaling mechanism. Also you'd lose points...
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Forum: Championship Event
04-19-2016, 10:28 PM
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Replies: 47
Views: 14,829
Re: Championship Community Predictions
There will be plenty of rookies in the divisional playoffs, maybe not as alliance captain but definitely 2nd and 3rd picks or even 1st pick depending how they go. There are some very solid rookies...
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Forum: Motors
04-19-2016, 09:49 PM
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Replies: 18
Views: 2,036
Re: How do I hook up the motors to the wheels?
Yep the JVN calculator is what you want, it'll help you work out what motors and what gearing to use to drive your robot and also the motor and gearing required to move the robot arm.
JVN released...
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Forum: Motors
04-19-2016, 09:37 PM
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Replies: 18
Views: 2,036
Re: How do I hook up the motors to the wheels?
If this is for a non-FRC project, then you don't need to adhere to typical allowed motors.
Cost is obviously important for you, I would suggest looking at the gearboxes and motors sold by BaneBots,...
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Forum: Championship Event
04-19-2016, 05:29 PM
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Replies: 181
Views: 30,909
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Forum: Extra Discussion
04-19-2016, 08:21 AM
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Replies: 33
Views: 3,692
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Forum: General Forum
04-19-2016, 08:01 AM
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Replies: 34
Views: 4,710
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Forum: Technical Discussion
04-19-2016, 01:31 AM
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Replies: 6
Views: 1,162
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Forum: Technical Discussion
04-19-2016, 12:48 AM
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Replies: 6
Views: 1,162
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Forum: General Forum
04-18-2016, 09:20 PM
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Replies: 14
Views: 1,720
Re: Useful Idea for Champs?
No, this is just a battery with a built in Inverter. I think you'd be much better off just getting a separate inverter and using a SLA or just getting a laptop with a better battery.
There is no...
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Forum: General Forum
04-18-2016, 09:11 PM
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Replies: 14
Views: 1,720
Re: Useful Idea for Champs?
a
"AC Battery" I think not :)
Many teams already use a DC-AC Inverter to allow them to use a SLA robot battery. There is a inverter available from Andymark which already has a anderson connector on...
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Forum: Extra Discussion
04-18-2016, 12:48 AM
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Replies: 33
Views: 3,692
Re: pic: Stripped VexPro gear
In comparison with 4140( normal steel gear material) it has a higher yield strength, but a lower ultimate tensile strength. It also has a much lower %elongation. The percentage elongation means that...
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Forum: Electrical
04-17-2016, 11:01 PM
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Replies: 2
Views: 638
Re: Low rpm, high power calculations help
Using this calculator may make your calculations easier:
http://www.chiefdelphi.com/media/papers/3188?langid=2
A normal electric wheelchair, has one 200watt motor on each side and they usually have...
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Forum: Electrical
04-17-2016, 08:42 PM
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Replies: 8
Views: 977
Re: How can CAD be helpful to Electrical?
This year we CNC milled and bent, a custom battery mount to allow the battery to lie flat. We focused more on lowering the centre of gravity and ensuring a strong mounting, then really on keeping it...
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Forum: Extra Discussion
04-17-2016, 08:27 PM
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Replies: 33
Views: 3,692
Re: pic: Stripped VexPro gear
When only a small number of teeth are removed, there is normally a lot of damage to the other teeth. But this damage doesn't seem that it could be all caused by the normal meshing of the other gear....
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Forum: Electrical
04-17-2016, 08:24 PM
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Replies: 8
Views: 977
Re: How can CAD be helpful to Electrical?
The CAD models for most electrical components like the robo-rio, PDP, PCM, VRM and the motor controllers are available, meaning that you can plan out where you are going to put the electrical and...
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Forum: Extra Discussion
04-17-2016, 08:12 PM
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Replies: 33
Views: 3,692
Re: pic: Stripped VexPro gear
It only really takes one tooth to break or chip to cause all the teeth to be stripped off the gear, as I believe that the shrapnel causes the next tooth to be clogged and break.
Aluminium gears...
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Forum: General Forum
04-17-2016, 12:43 AM
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Replies: 13
Views: 1,694
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Forum: Extra Discussion
04-17-2016, 12:41 AM
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Replies: 17
Views: 3,226
Re: pic: Basketball Drive
It is great that you have attempted to make it as compact as possible. In regards to the leads, you should be ok as the curvature of the adjacent CIM case should allow adequate space( unlike BAG's...
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Forum: Championship Event
04-16-2016, 01:40 AM
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Replies: 10
Views: 1,603
Re: Raising Money For Championship
Ahh, so you guys were on the Waitlist. I would get in contact with all your pre-existing sponsors. Although might be a bit difficult since it is the weekend.
It looks like you have a fair few...
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Forum: Championship Event
04-16-2016, 01:17 AM
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Replies: 10
Views: 1,603
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Forum: Rules/Strategy
04-16-2016, 12:35 AM
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Replies: 12
Views: 1,637
Re: Driver Station/Operator Console Power
If the 3 amp breaker is an issue for you, maybe you could come to the Australia Regional next year? :)
You could draw more than twice the power because Australia uses 240v
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Diversity means diversity in ideas too. Some of the robots from the singapore competition might have employed strategies or ideas that we may not even have come up with in North America. - J Flex 188 [more] 
