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by zarnold16
November 24th, 2015, 9:06 am
Forum: Robot Arm C
Topic: Robot Arm C
Replies: 246
Views: 33281

Re: Robot Arm C

Hi everyone hope you're having a good day. I was messing around with different end effector designs and I'm not very successful with picking up the ping-pong balls. Is the use of vacuum pumps to pick up items a feasible option? I have considered this, but making a vacuum end effector would not be a...
by zarnold16
November 23rd, 2015, 6:20 pm
Forum: Robot Arm C
Topic: Robot Arm C
Replies: 246
Views: 33281

Re: Robot Arm C

Hi everyone hope you're having a good day. I was messing around with different end effector designs and I'm not very successful with picking up the ping-pong balls. Is the use of vacuum pumps to pick up items a feasible option?
by zarnold16
November 8th, 2015, 5:08 am
Forum: Robot Arm C
Topic: Robot Arm C
Replies: 246
Views: 33281

Re: Robot Arm C

What is the best way to regulate the voltage? With a 12V battery regulated to 5V and 12V with a high output of like 3-5 Amps.
by zarnold16
November 7th, 2015, 5:45 am
Forum: Robot Arm C
Topic: Robot Arm C
Replies: 246
Views: 33281

Re: Robot Arm C

With the battery voltage, Im going to purchase some 12V NiMH batteries. The 12V batteries are labeled 12V but when fully charged are 14.5V is that ok to use?
Rules specify nominal voltage. You're good
Ok, good thanks. I forgot it said nominal.
by zarnold16
November 6th, 2015, 8:30 pm
Forum: Robot Arm C
Topic: Robot Arm C
Replies: 246
Views: 33281

Re: Robot Arm C

With the battery voltage, Im going to purchase some 12V NiMH batteries. The 12V batteries are labeled 12V but when fully charged are 14.5V is that ok to use?
by zarnold16
December 11th, 2014, 5:47 am
Forum: 2015 Build Events
Topic: Air Trajectory B/C
Replies: 573
Views: 103529

Re: Air Trajectory B/C

Am I able to use multiple different barrels and have them interchangable? Like have a barrel attachment that fits better with a ping pong ball rather than a tennis ball.
by zarnold16
November 19th, 2014, 2:03 pm
Forum: 2015 Build Events
Topic: Air Trajectory B/C
Replies: 573
Views: 103529

Re: Air Trajectory B/C

Okay so my partner and I have ideas but not sure on the air launching part? Is there any good videos we can watch or good places to find ideas?
by zarnold16
November 19th, 2014, 8:19 am
Forum: 2015 Build Events
Topic: Air Trajectory B/C
Replies: 573
Views: 103529

Re: Air Trajectory B/C

I have read the rules at least 3 times. Can I do a catapult like design or what is a good way to make one like a stomp rocket.

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