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Robot Arena => Discussion => Topic started by: nightcracker on June 26, 2011, 06:43:05 AM

Title: Impossible to make a bot drive straight
Post by: nightcracker on June 26, 2011, 06:43:05 AM: Alright, what is going on here? I was just messing around with measuring up the new chassis for my new bot and I put the drivetrain in to see if it fit. And it can't drive straight. I tried replacing the motors, restarting the game, different wheels, but it can't drive straight at all.

Would one of you guys look at it? Here is the .bot: http://nclabs.org/downloads/testing.bot (http://nclabs.org/downloads/testing.bot)
Title: Re: Impossible to make a bot drive straight
Post by: Pwnator on June 26, 2011, 06:49:00 AM: Yeah, batteries affect weight distro.
Title: Re: Impossible to make a bot drive straight
Post by: nightcracker on June 26, 2011, 07:31:16 AM: Serious? I thought batteries didn't affect weight distro at all.
Title: Re: Impossible to make a bot drive straight
Post by: Pwnator on June 26, 2011, 07:41:18 AM: Quote from: Pwnator on August 17, 2010, 03:24:25 AM
According to others, they wouldn't. But then I did this:

(https://gametechmods.com/uploads/images/4779weightdistro.PNG)

Veers to the right most of the time.
Title: Re: Impossible to make a bot drive straight
Post by: russian roulette on June 26, 2011, 08:23:50 AM: Hmm, never came across this... interesting.
Title: Re: Impossible to make a bot drive straight
Post by: nightcracker on June 26, 2011, 09:20:38 AM: I have to do some more testing, sec, let me restart into windows.
Title: Re: Impossible to make a bot drive straight
Post by: Avalanche on June 26, 2011, 09:23:01 AM: Rotate wheels. AGOD ahead.
Title: Re: Impossible to make a bot drive straight
Post by: nightcracker on June 26, 2011, 09:49:51 AM: I confirm that batteries make a difference in weight distribution and that this difference is extremely important for drivetrains.

If your bot has a weight distribution even slightly offset to either side the bot will have a deviation towards the other side.

My testbot used for this: http://nclabs.org/downloads/testbatterydistro.bot (http://nclabs.org/downloads/testbatterydistro.bot)