30-08-2008 12:31

ATannahill

Re: pic: Robot 08 Offseason Idea

the board looks a bit vulnerable and although it is off-season if you decide to put on bumbers, the one in front will probably get in way of the arm.

btw i see you have a pump in there, what do you plan to use pneumatics for? all i see would need motors

30-08-2008 12:39

=Martin=Taylor=

Re: pic: Robot 08 Offseason Idea

Looks good.

But I see some real problems with that roller-claw.

1) After the ball has passed it's median point the rollers will no longer be in contact with either side and the ball has a good chance of falling out.

2) I'm not sure those roller-bars will be strong enough. Keep in mind that other robots will be smacking into those throughout competition. They will need to be able to withstand lateral impacts. Your best bet is either to make them really strong, or make them out something flexible.

What motors transmissions will be used to lift it? And on another note, how will you hold it up? I'd be worried about stalling FP motors (or using the brake function) for prolonged periods of time.

30-08-2008 15:24

R.C.

Re: pic: Robot 08 Offseason Idea

The electronics will be covered later with sheets of carbon fiber and the roller claws are only 25 inches long. The bars are made of 1/8 inch 2024 aluminum. The motors we are using:

http://banebots.com/pc/MP-42nnn-550/MP-42256-550

and we will be adjusting the speed by adjusting the sprockets.

04-09-2008 01:31

JOhnch181

Re: pic: Robot 08 Offseason Idea

We had a very similar design for our robot, but we had forks on the bottom and the top was given slack to hold in the ball with gravity while also using a slow idle to keep the ball from rolling out.

what are you planning to use for the frame of the chassis?

04-09-2008 11:47

Dan Petrovic

Re: pic: Robot 08 Offseason Idea

Quote:

Originally Posted by rc_cola1323 The electronics will be covered later with sheets of carbon fiber and the roller claws are only 25 inches long. The bars are made of 1/8 inch 2024 aluminum. The motors we are using: http://banebots.com/pc/MP-42nnn-550/MP-42256-550 and we will be adjusting the speed by adjusting the sprockets.

04-09-2008 12:05

R.C.

Re: pic: Robot 08 Offseason Idea

Yeah, A sponsor gave us 50 sheets of 12 feet by 12 feet carbon fiber. They were going to throw it away because they are switching to Titanium.

04-09-2008 13:01

ducttapedude

Re: pic: Robot 08 Offseason Idea

Quote:

Originally Posted by rc_cola1323 Yeah, A sponsor gave us 50 sheets of 12 feet by 12 feet carbon fiber. They were going to throw it away because they are switching to Titanium.

04-09-2008 18:52

R.C.

Re: pic: Robot 08 Offseason Idea

Quote:

Originally Posted by ducttapedude *drools*

04-09-2008 20:03

Dowjonesbotics

Re: pic: Robot 08 Offseason Idea

Quote:

Originally Posted by Hachiban VIII Looks good. But I see some real problems with that roller-claw. 1) After the ball has passed it's median point the rollers will no longer be in contact with either side and the ball has a good chance of falling out. 2) I'm not sure those roller-bars will be strong enough. Keep in mind that other robots will be smacking into those throughout competition. They will need to be able to withstand lateral impacts. Your best bet is either to make them really strong, or make them out something flexible. What motors transmissions will be used to lift it? And on another note, how will you hold it up? I'd be worried about stalling FP motors (or using the brake function) for prolonged periods of time.

04-09-2008 20:06

AdamHeard

Re: pic: Robot 08 Offseason Idea

Quote:

Originally Posted by Dowjonesbotics I don't agree with number 1 at all. Don't we all remember a certain championship robot from this year that only had rollers in the front in a form almost exactly like this?? And I'm pretty sure they did fine. Keep up the nice work.