What teams have desgined a 6 wheel drive system?

[Alex Cormier]

also, what teams have used it during the season as a competition bot?

I've tried searches but there is a lot and would be easier and easily updated with the thread asking for what teams that designed and built a 6 wheel drive system.

thanks

pb

[RogerR]

Originally Posted by Pit Bull 1126

also, what teams have used it during the season as a competition bot?

I've tried searches but there is a lot and would be easier and easily updated with the thread asking for what teams that designed and built a 6 wheel drive system.

thanks

pb

we did a 6-wheel direct gear drive train in 2004; what is it specifically that you're trying to find out?

[Cory]

This year, or ever?

This year, off the top of my head:

254
60
22
25
47
980
168
233
360
I want to say 27 and 599 also, but I'm not 100% sure

you can find pictures of all of these at www.firstrobotics.net, and Im sure you can find some others in their galleries also

[Joe Ross]

419 did it in 2001. 47, 25, 22, 254/60 and others have done it in the past 2 years.

[Ali Ahmed]

Yeah we did a 6-wheel drive system for the past 2 years. I find it is that those drive sytems are the most versitile, with or without a gearbox.

[Alex Golec]

I know my team built a 6-wheel drive in 2002, but this was before my time and I don't know too much about it. The only pictures I could find on CD were here and here, but they probably won't help too much.
_Alex

[Kyle Love]

We did a 6 wheel prototype last fall. We kind of parted it out though... but we still have the chassis and wheels on it.

-Kyle

[Alex Cormier]

wow, i wasn't expecting all this information!

thanks, is there any pictures of thier drive systems of any of the drive systems?

or possibly inventor files.. thanks!

[Corey Balint]

I think we are on our third year of 6 wheel drive. Scorpion in 02 had 6, well im pretty sure it did, and this years and last years had 6, with just minor adjustments. If you want pm me to remind me to look for some pics or files. Im sure i have something, just where is the problem. And if you ever come to a competition with us there, we bring a spare drive train to show to judges and whomever wants to see it better.

[av11d]

I know you said 6, but... Team 75 had an 8-wheel drive system last year. It was terrific for getting up steps. You can PM me for more info if you want.

[colt527]

I think my team has a lot of 6 wheel drive experiance. We have build 1 practice robot with 6 wheels with the middle 2 lower to the ground which allows us to turn but still be stable. We used the 6 inch pneumatic wheels from the 03-04 competition kit (i think). We also used drill motors in custom built gear box (only made w/ drill press, no milling or cnc machienes). Then we went to a rather complex chain system that connected all 6 wheels to the motor. I believe we had a top speed of 8 ft/s.

Here is that bot, the so called NoodleBot since we attached pool noodles so we didnt hurt the walls:

http://nemesis2.com/phs/robotics/gal...logged=&inc=15

Here are some movies as well:

http://www.plainedgeschools.org/hsro...otinaction.wmv
http://www.plainedgeschools.org/hsro...eo/cartweb.wmv
http://www.plainedgeschools.org/hsro...battlebots.wmv

Although 6 wheels has many benefits of a 6 wheel bot, IMO there are also many setbacks that you will come across. Here are the problems we had with noodlebot and why we could not use that drive train design in the competition last year. It was so low to the ground that there was no way with those wheels we were getting over the step. A bigger problem is that it is extreamly difficult to get a 6 wheel bot with the teetering middle 2 wheels to go strait. A gyro or some other method of keeping it strait is really needed to accurate manuvering. There are also a lot of weight issue, noodlebot was 70pnds without anything else on it.

Right now we are in the middle of building a 6 wheeled robot that can go up the step and uses the 12 inch pneumatic wheels. We also shaved a lot of weight off the drivetrain by using a lot less chains then we used in noddle bot. We now only have 4 chains for the drivetrain instead of 8 and use all but 2 little sprockets. Right now its at 42 pounds. Once we get it moving and take some pictures of it I will show them to you.

If you are interested in more details just PM me and I would be glad to share.

[Joe J.]

We (862) have not had one for competition but this past summer we designed one to use for sensor testing but have yet to finish building it.

[Doug G]

6 Wheels are the only way to go!! We used the 12" wheels on the outside and 6" center wheels to pivot on.

Team 701 6-wheels

8 Wheels are nice too!!

8-Wheeled Bot

And the coolest 6-Wheeled bot ....

The Best 6-Wheeler

[Alex Cormier]

thanks for all the support!

[Rich Kressly]

Originally Posted by Pit Bull 1126

wow, i wasn't expecting all this information!

thanks, is there any pictures of thier drive systems of any of the drive systems?

or possibly inventor files.. thanks!

I'm not sure if Team 25 has Inventor files, but they graciously shared their 2003 Evil Machine design with Team 103 who used it on their 2004 bot Monkey Business. Team 103 used only four wheels, but adding the additional two is no problem at all (In fact 103 had two more wheels on just two weeks before shipping). The Team 103 version of the Team 25 drive system is well documented in the 2004 Inventor Website found here:
http://inventor.cybersonics.org