pic: Tiki Tech Transmission

[TikiTech]

Originally Posted by themccannman

You are making a drivetrain that is 58.8lbs *without* the frame? Are you making the rest of your bot out of carbon fiber?

REPEAT of what was posted in the Prototype Frame...

Ok my bad. I am new to the iProperties thing.

This should have been caught by me, knowing that the CIMs together weigh about 5lbs.

There is no way that transmission weighs 9 lbs!!! More like 3.

The transmission is basically a hybrid of a WCP 2 CIM DS, 2.15lbs. and 3 CIM DS, 3.5lbs. Weight will be between that since it is basically a stretched DS if you will. A 2CIM DS with one extra idler. We went with an idler gear instead of belts. Much easier for us, we had it on hand.

The entire transmission was designed using the existing gears from our 3CIM DS making it easy to test by just replacing the frames. Future orders of different gear ratios from WCP will just work.

Last year we used the WCP 3CIM DS and are extremely happy with it. Never had any issues with breakers tripping on our 6 wheel WCD, but space was tight.

We wanted a stretched 2 CIM DS, if you will. That was set up for in-frame chain setup and over the frame motor orientation. (see hex frame).

Being able to orientate the motors in either direction and a quick and easy encoder placement was the goal.

Our competition bots have always had a post tapped into the front or rear axle that the encoder used. Not always pretty..

Something different for us..

[RonnieS]

Originally Posted by TikiTech

REPEAT of what was posted in the Prototype Frame...

Ok my bad. I am new to the iProperties thing.

This should have been caught by me, knowing that the CIMs together weigh about 5lbs.

There is no way that transmission weighs 9 lbs!!! More like 3.

The transmission is basically a hybrid of a WCP 2 CIM DS, 2.15lbs. and 3 CIM DS, 3.5lbs. Weight will be between that since it is basically a stretched DS if you will. A 2CIM DS with one extra idler. We went with an idler gear instead of belts. Much easier for us, we had it on hand.

The entire transmission was designed using the existing gears from our 3CIM DS making it easy to test by just replacing the frames. Future orders of different gear ratios from WCP will just work.

Last year we used the WCP 3CIM DS and are extremely happy with it. Never had any issues with breakers tripping on our 6 wheel WCD, but space was tight.

We wanted a stretched 2 CIM DS, if you will. That was set up for in-frame chain setup and over the frame motor orientation. (see hex frame).

Being able to orientate the motors in either direction and a quick and easy encoder placement was the goal.

Our competition bots have always had a post tapped into the front or rear axle that the encoder used. Not always pretty..

Something different for us..

We are looking at the WCP DS for next season; 3 and 2 cim. How happy were you with them? Why?
-Ronnie

[TikiTech]

Originally Posted by Ronnie314

We are looking at the WCP DS for next season; 3 and 2 cim. How happy were you with them? Why?
-Ronnie

We ran the WCP 3 CIM on our last robot and were very pleased.
As a team with limited machining tools available and even more limited machine shops.
Well ok, no real machine shop on the island... It was a great way for us to move to a more competitive drivetrain.
I would recommend these transmissions as an easily incorporated subsystem.

We ran 5.5/15fps and never tripped the breaker, didn't even get warm..

Originally we ran the Versa wheels, but they couldn't handle.
http://www.chiefdelphi.com/media/photos/40426
This is what happened to our tires in our first practice match.
The robot ran into the wall during autonomous and drove constantly in low gear. Luckily they were not too expensive..
Changed to Colson at worlds, not going back. In fact our new Colson wheels arrived last week!

The power was great!

First time running a shifter and the shifting never failed.

If our CNC doesn't arrive we would use them again, if it works with the new game.. Our poor CNC It is on a boat, sailing 1000's of miles to us. Hope that hurricane last week doesn't add another month or so.

The 3 CIM DS has a fairly large footprint. It is why we are toying with the motors over the frame.
(New rendition is a one piece 4 motor with the pneumatic shifter under the motors)

Hope this helps.

Aloha!

[RonnieS]

Originally Posted by TikiTech

We ran the WCP 3 CIM on our last robot and were very pleased.
As a team with limited machining tools available and even more limited machine shops.
Well ok, no real machine shop on the island... It was a great way for us to move to a more competitive drivetrain.
I would recommend these transmissions as an easily incorporated subsystem.

We ran 5.5/15fps and never tripped the breaker, didn't even get warm..

Originally we ran the Versa wheels, but they couldn't handle.
http://www.chiefdelphi.com/media/photos/40426
This is what happened to our tires in our first practice match.
The robot ran into the wall during autonomous and drove constantly in low gear. Luckily they were not too expensive..
Changed to Colson at worlds, not going back. In fact our new Colson wheels arrived last week!

The power was great!

First time running a shifter and the shifting never failed.

If our CNC doesn't arrive we would use them again, if it works with the new game.. Our poor CNC It is on a boat, sailing 1000's of miles to us. Hope that hurricane last week doesn't add another month or so.

The 3 CIM DS has a fairly large footprint. It is why we are toying with the motors over the frame.
(New rendition is a one piece 4 motor with the pneumatic shifter under the motors)

Hope this helps.

Aloha!

Yes it does ty! Although I am jealous now of you CNC!
-Ronnie