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ScottieDo555 18-01-2008 09:11

Robot Weight
 
how much do peoples robots weigh??? ours is 85 Lbs. and we are barrley drivable.

Jimmy Nichols 18-01-2008 09:21

Re: Robot Weight
 
Ours will weight approximately 120 lbs

MrForbes 18-01-2008 09:24

Re: Robot Weight
 
We're shooting for 103, but it will actually weigh either 119.9 or 120.0 depending on whether the code has more 0s or 1s in it

(and the fact that you actually know what your robot weighs now puts you about 4 weeks ahead of where we were our rookie year)

ScottieDo555 18-01-2008 09:24

Re: Robot Weight
 
Quote:

Originally Posted by Jimmy Nichols (Post 680703)
Ours will weight approximately 120 lbs

so how much does it weigh now.

Molten 18-01-2008 09:25

Re: Robot Weight
 
I don't know yet, but I suspect that the ideal weight is around 100 pounds. This will be a reasonable trade off between mass and acceleration.

MrForbes 18-01-2008 09:27

Re: Robot Weight
 
Right now ours still weighs zero pounds, because we haven't even started building it. But we're figuring the chassis and drivetrain to be right around 50 lbs. Then there's the electronics, pneumatics, and all that stuff on top that will magically make the ball score billions of points. That will add up to a lot of weight.

ScottieDo555 18-01-2008 09:31

Re: Robot Weight
 
we are hoping for 100 Lbs. but since our robot wighes 85 we are kind scared because we only have a driveable robot, with no scoring stucture.

Jimmy Nichols 18-01-2008 09:34

Re: Robot Weight
 
Quote:

Originally Posted by ScottieDo555 (Post 680706)
so how much does it weigh now.

We are just now starting on finished parts and finished frame. We had a prototype frame running but we never weighed it.

Jimmy Nichols 18-01-2008 09:35

Re: Robot Weight
 
Quote:

Originally Posted by ScottieDo555 (Post 680711)
we are hoping for 100 Lbs. but since our robot wighes 85 we are kind scared because we only have a driveable robot, with no scoring stucture.

What is your frame made out of and what is your drive train? I estimate our base and drive train will only be around 35-45 lbs.

ScottieDo555 18-01-2008 09:41

Re: Robot Weight
 
Quote:

Originally Posted by Jimmy Nichols (Post 680716)
What is your frame made out of and what is your drive train? I estimate our base and drive train will only be around 35-45 lbs.

well our frame is aluminimum, its a double layar frame, twice as big as last year. sofar we have 4 motors, a pnumatic pump thing, 4 of those clyinders, 4 weels, a hole electircal board is on a quarter inch peice of wood. there are some other little things but thats the basics we have done so far.

sorry for spelling.

Jimmy Nichols 18-01-2008 09:48

Re: Robot Weight
 
Quote:

Originally Posted by ScottieDo555 (Post 680717)
well our frame is aluminimum, its a double layar frame, twice as big as last year. sofar we have 4 motors, a pnumatic pump thing, 4 of those clyinders, 4 weels, a hole electircal board is on a quarter inch peice of wood. there are some other little things but thats the basics we have done so far.

sorry for spelling.

We used the kitbot frame, very light and strong and we biuld up from there. Try mounting your electronics onto a piece of 1/8 inch LEXAN, this will be much lighter than the wood.

ScottieDo555 18-01-2008 09:50

Re: Robot Weight
 
Quote:

Originally Posted by Jimmy Nichols (Post 680721)
We used the kitbot frame, very light and strong and we biuld up from there. Try mounting your electronics onto a piece of 1/8 inch LEXAN, this will be much lighter than the wood.

great minds think alike! i was just talking to my teacher about getting a diffrent eletric board but i didnt know what metiral to use.

sorry about the spelling.

EricVicenti 18-01-2008 09:50

Re: Robot Weight
 
Our drivetrain weighs around 50Lbs so we are in good shape.

ScottieDo555 18-01-2008 09:53

Re: Robot Weight
 
Quote:

Originally Posted by EricVicenti (Post 680724)
Our drivetrain weighs around 50Lbs so we are in good shape.

lucky!

Jimmy Nichols 18-01-2008 10:03

Re: Robot Weight
 
Quote:

Originally Posted by ScottieDo555 (Post 680723)
great minds think alike! i was just talking to my teacher about getting a diffrent eletric board but i didnt know what metiral to use.

sorry about the spelling.

LEXAN is great. Strong and light. You can pick it up at most metal supply stores or Lowes and Hone Depot.

You might want to think about modifying your frame to make it lighter.


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