Ohh Well another trans down the tube
 

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!!

Re: Ohh Well another trans down the tube
 

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!

Re: Ohh Well another trans down the tube
 

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 :D

Re: Ohh Well another trans down the tube
 

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

Re: Ohh Well another trans down the tube
 

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...

Re: Ohh Well another trans down the tube
 

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".

Re: Ohh Well another trans down the tube
 

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

Re: Ohh Well another trans down the tube
 

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.

Re: Ohh Well another trans down the tube
 

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 :^)

Re: Ohh Well another trans down the tube
 

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?

Re: Ohh Well another trans down the tube
 

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

Re: Ohh Well another trans down the tube
 

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.

Re: Ohh Well another trans down the tube
 

What was the final weight of each?

Re: Ohh Well another trans down the tube
 

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

-Andy

Re: Ohh Well another trans down the tube
 

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.