Chief Delphi - pic: Crevolution 2015 Drive Module

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- - pic: Crevolution 2015 Drive Module (http://www.chiefdelphi.com/forums/showthread.php?t=132876)

wyrzykowskij1

14-01-2015 18:29

pic: Crevolution 2015 Drive Module

loading photo ...

asid61

14-01-2015 18:31

Re: pic: Crevolution 2015 Drive Module

Looks pretty good, although personally I just like using 1/4" or 3/16" thick for gearboxes and such (more thickness for press fits and counterbores).
Are you planning on tensioning the belt, or are you just going C-C? If you did a slight redesign, you could tension the belt like 192 did for their 2014 gearbox (look it up, pictures on CD).

Ether

14-01-2015 18:50

Re: pic: Crevolution 2015 Drive Module

Quote:

Originally Posted by wyrzykowskij1 (Post 1428322)

with two of these in the robot

What are the other two wheels?

Quote:

Originally Posted by wyrzykowskij1 (Post 1428322)

6.46 reduction from the CIM to the gear ... 18 tooth to 36 tooth belt system ... 6 inch wheel

How did you compute 14 fps using these numbers?

Team3266Spencer

14-01-2015 20:55

Re: pic: Crevolution 2015 Drive Module

I'm getting more like 10.8+/-1.1 FPS (using the no load speed for the CIM, 5310+/-10% RPM).

wyrzykowskij1

14-01-2015 21:29

Re: pic: Crevolution 2015 Drive Module

Oh yes, I apologize. The 14 fps was another calculation that I made. Also, yes, I'm just planning on doing the computed distance from the West Coast Products distance calculator.

Squeakypig

14-01-2015 21:54

Re: pic: Crevolution 2015 Drive Module

Those cut outs in the front and back are SICK.

This is what happens when I miss 1 meeting.

wyrzykowskij1

14-01-2015 22:15

Re: pic: Crevolution 2015 Drive Module

Quote:

Originally Posted by Squeakypig (Post 1428461)

Those cut outs in the front and back are SICK.

This is what happens when I miss 1 meeting.

Haha, yeah, I thought so.

wyrzykowskij1

14-01-2015 22:17

Re: pic: Crevolution 2015 Drive Module

[quote=Ether;1428333]What are the other two wheels?

These modules are to be mounted in the front of our chassis, giving us 2 total driven wheels on the robot and a total 2 CIM drivetrain.

tr6scott

15-01-2015 20:53

Re: pic: Crevolution 2015 Drive Module

What ether is asking, is this segway? 😀

Any provision for encoders on this, or just letting programming team guess...

asid61

15-01-2015 21:45

Re: pic: Crevolution 2015 Drive Module

[quote=wyrzykowskij1;1428478]

Quote:

Originally Posted by Ether (Post 1428333)

What are the other two wheels?

These modules are to be mounted in the front of our chassis, giving us 2 total driven wheels on the robot and a total 2 CIM drivetrain.

Even for this game, you might want to up to 4. With unlimited non-cim motors, you don't lose anything by moving to 4 cims. Plus, did you compute accleration for that drive? It's going to be pretty bad.

Team3266Spencer

15-01-2015 22:02

Re: pic: Crevolution 2015 Drive Module

Why did you decide to use belts?

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