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-   -   Team 610 pre-season drivetrain (http://www.chiefdelphi.com/forums/showthread.php?t=123111)

Mr. Lim 18-12-2013 18:40

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by BrendanB (Post 1314281)
Wrong video? The cars are pretty sweet though!;)

Try clicking it again. There was some YouTube weirdness going on with the link.

Andrew Lawrence 18-12-2013 18:42

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Mr. Lim (Post 1314275)
http://youtu.be/lQLp_F88CEg

We had a chance to take the drivetrain for a spin last night. We rang out the encoders and gyro, and all seems to be in good shape.

Our driver for the upcoming 2013-2014 season had his first crack at driving it around, and the initial feedback is very positive.

Looks solid. Something I noticed is your CG is between your back two wheels, so all of your turns spin around that back point, negating one of the useful effects of the 8wd and also preventing you from turning in place with almost no displacement of the robot.

Akash Rastogi 18-12-2013 18:48

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Andrew Lawrence (Post 1314286)
Looks solid. Something I noticed is your CG is between your back two wheels, so all of your turns spin around that back point, negating one of the useful effects of the 8wd and also preventing you from turning in place with almost no displacement of the robot.

I'm quite certain 610 understands how weight distribution works :p Also, check again where the raised wheel is.

Edit: One can only assume this was quite intentional, for whatever reason.

Andrew Lawrence 18-12-2013 19:05

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Akash Rastogi (Post 1314290)
I'm quite certain 610 understands how weight distribution works :p Also, check again where the raised wheel is.

Edit: One can only assume this was quite intentional, for whatever reason.

Ah, didn't see the raised wheel part. That makes much more sense. I was confused for a minute as to why 610 would have their CG in the back on a standard center dropped 8wd.

BrendanB 18-12-2013 19:08

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Andrew Lawrence (Post 1314286)
Looks solid. Something I noticed is your CG is between your back two wheels, so all of your turns spin around that back point, negating one of the useful effects of the 8wd and also preventing you from turning in place with almost no displacement of the robot.

With the smaller robot size placing your gearboxes on one end allows you to keep a nice wide electronics area open in the robot without having to break it up. Having a small square robot you won't notice this off center turning as much and depending on what is build on top of it, the weight can distribute out. Our 2013 was weighted towards the back due to where our hanger was connected to our robot and we had both our gearboxes and battery as far back as we could. Even then when we hung on the tower we were the front end of our robot hung lower. Our driver had no issues or complaints and it was one of the smoothest 6wd robots I have driven. Also, when using gears to drive your robot, adding in wheels 7 & 8 is extremely easy so as an off-season robot it makes a nice test platform.

Ether 18-12-2013 22:36

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Ether (Post 1313976)
For those who do not have, or do not care to install, a C compiler, I will look into posting a compiled executable that grabs the parameter values from the environment.

Beta release posted. Constructive feedback would be appreciated.



Nathan4567a 18-12-2013 23:51

Re: Team 610 pre-season drivetrain
 
Fantastic job! I love the nice and neat cable runs. Our team needs to have clean electronics like that this year. Good choice with the talons too. I love the fact there is no annoying fan on them

z_beeblebrox 30-12-2013 22:42

Re: Team 610 pre-season drivetrain
 
^Reported

magnets 30-12-2013 22:47

Re: Team 610 pre-season drivetrain
 
This is pretty cool. I agree with the whole shifting is overrated thing, and the rear-turning 8 wheel drive thing is pretty neat. Where do you get the fiberglass for the bellypan?

on a totally unrelated note-that spam post 2 above this one is crazy. It has the word movie in it 445 times.

Tem1514 Mentor 31-12-2013 08:59

Re: Team 610 pre-season drivetrain
 
I sure that you guys will show off that bot during the quick build as it will give all the new teams a good idea of what may be done outside of the KOP :)

I have my bag already packed with those must have tools ready to help all our new teams get a good start on the season with a working drive train.

Mr. Lim 01-01-2014 19:17

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Tem1514 Mentor (Post 1318852)
I sure that you guys will show off that bot during the quick build as it will give all the new teams a good idea of what may be done outside of the KOP :)

I have my bag already packed with those must have tools ready to help all our new teams get a good start on the season with a working drive train.

Yes! I actually plan on using this drivetrain for the Java Workshop at Quick Build. I'll be doing code for the robot from the ground up starting from a bare laptop with no tools installed.

The goal is to progress to a driveable base, and a simple autonomous by day's end - and to touch on any additional topics the Rookie Teams are interested in learning about.

brennonbrimhall 01-01-2014 20:24

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Mr. Lim (Post 1319217)
Yes! I actually plan on using this drivetrain for the Java Workshop at Quick Build. I'll be doing code for the robot from the ground up starting from a bare laptop with no tools installed.

The goal is to progress to a driveable base, and a simple autonomous by day's end - and to touch on any additional topics the Rookie Teams are interested in learning about.

Would you mind recording it? Something like that would be an awesome resource for all.

Mr. Lim 02-01-2014 15:08

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by brennonbrimhall (Post 1319252)
Would you mind recording it? Something like that would be an awesome resource for all.

The Quick Build workshop is really a group of mentors helping Rookie teams get their tools setup, programming and downloading their first program to a robot, etc. It's over 8 hours long, and is just a "get work done" session where we veteran mentors help out. It doesn't make for good recordings, nor is it all that effective to watch the recordings after the fact.

We've tried to record it in the past I believe, and I don't think anyone was willing to watch 8+ hours of a lot of different teams working on their robots.

Sorry!

brennonbrimhall 02-01-2014 15:16

Re: Team 610 pre-season drivetrain
 
Quote:

Originally Posted by Mr. Lim (Post 1319448)
The Quick Build workshop is really a group of mentors helping Rookie teams get their tools setup, programming and downloading their first program to a robot, etc. It's over 8 hours long, and is just a "get work done" session where we veteran mentors help out. It doesn't make for good recordings, nor is it all that effective to watch the recordings after the fact.

We've tried to record it in the past I believe, and I don't think anyone was willing to watch 8+ hours of a lot of different teams working on their robots.

Sorry!

Thanks for explaining -- I obviously misunderstood. Best of luck at the workshop!


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