Ohh Well another trans down the tube

[Matt Reiland]

I had really hoped to the game would require monster power this year so we went ahead and worked on our next evolution of the shifter. Added the third motor and a servo shifter. However it is apparent that this will be overkill for this years game. It was, however, fun to design and build and it looks cool too!

Sadly I have to miss this entire build season due to a plant launch down here in Doraville. But hey I am already in Atlanta for the Championships!!

[Elgin Clock]

Can you post some detailed specs or PM me about maybe some prints for this bad boy. I was given the task of finding ways to specifically link just the chalupa and the drills together. I know you have one more motor, but even that would be a start!

[matt111]

same kinda thing happened to us. we were just wrapping up our "continuosly varible torque, velocity, and steering transmission" and now we gotta pick up balls. i say next year we have a FIRST drag race

[kevin.li.rit]

That is over kill, but try the technokats at www.technokats.org

[Avarik]

3 motors? Be carefull there, don't wanna draw too much power at once, theres a whole set of problems that come along with that.

Also, speed and power are both important for this game. There's always a pushing match somewhere...

And speed, oh man, now thats gonna be a large factor...

[Raul]

Matt, that is an awesome design. Nice job.

I'm sure you know that not being able to realize the benefits of it this year is not much of a loss in the long run. You just added a great design to your "tech shelf".

[JVN]

Matt,
It's a beauty. Too bad you're not going to use it.

We're in a similar boat, having designed and built a full 6-motor, techno-knockoff drive this fall. Like you, we decided it would be better to have a powerful design if we need it, and maybe "tone it down" a little, than be in need and have to start from scratch.

Obviously, we don't have a need for THAT much output power in this game (*gasp* Did I just say that?), and we're deciding what functionality to "cut" for our 2004 system. So many numbers to plug, so little time!

I am curious how the servo handles shifting. Any troubles with it? Any regrets?

Tough luck missing out on 2004. Hope you'll be back in ohh-five.

John

[maxgebhardt]

That is one sick transmission. I know our team has always been trying to find some type of advanced transmission like that. I would really like it if you could send me some blueprints, or specs, or better yet put them in the white pages.

[KenWittlief]

Any time or effort spent in which you learn new things and develope new skills

is never wasted

you are hereby designated as your teams official Research and Developement Department :^)

[Mike AA]

Good grief how much does that transmission weigh? like 40#? we built one using the CIM (or whatever it is again) we have a high speed low tourque and low speed high tourque. it uses the CIM, aorund 10 1/4 inch gears and a pneumatic cylinder somewhere around 3" long. it only weighed aroung 8 pounds or less?

[kevin.li.rit]

Your third motor would have been better off on you end effector anyways.

[Matt Reiland]

Originally Posted by Mike AA

Good grief how much does that transmission weigh? like 40#? we built one using the CIM (or whatever it is again) we have a high speed low tourque and low speed high tourque. it uses the CIM, aorund 10 1/4 inch gears and a pneumatic cylinder somewhere around 3" long. it only weighed aroung 8 pounds or less?

Suprisingly light actually, the gears are all lightened, the crossmembers are aluminum alloy, the box itself is made of ballistic lexan 3/16". The Bosch mount is aluminum. The final version is see through and really nice looking. It would be tough to pack this much power in a much lighter package and still stay robust.

[kevin.li.rit]

What was the final weight of each?

[andy]

Originally Posted by Matt Reiland

I had really hoped to the game would require monster power this year so we went ahead and worked on our next evolution of the shifter. Added the third motor and a servo shifter. However it is apparent that this will be overkill for this years game. It was, however, fun to design and build and it looks cool too!

Sadly I have to miss this entire build season due to a plant launch down here in Doraville. But hey I am already in Atlanta for the Championships!!

I know the feeling...
Just finished a two motor two speed...
*sigh*

-Andy

[kevin.li.rit]

Originally Posted by andy

I know the feeling...
Just finished a two motor two speed...
*sigh*

-Andy

It doesn't mean you've wasted your time, a two motor transmission will still be useful. There will always be some shoving and you'll still need to get from point a to point b fast.