TOP HEAVY!!!!

[wilsonmw04]

I would also added the bumpers for the simple fact that you are adding mass to the base of the bot, therefore, lowering the CG.

[JamesCH95]

Get some 775s or 550s and CIM-U-LATOR gearboxes and drop several pounds per motor up top. Add the CIMs back to the drive train down low.

[Cal578]

Originally Posted by JamesCH95

Get some 775s or 550s and CIM-U-LATOR gearboxes and drop several pounds per motor up top...

(emphasis added)
CIM == 2.8 lb each
775 == 0.75 lb each
CIM-U-LATOR == 0.5 lb each

Total weight savings == 3.1 lb (top only)

If you add the CIM's to the bottom, it's a net gain of 2.5 lb. Is that in your weight budget?

If you can (I know it's late in build season), shortening the robot as others have suggested can be a big improvement. CoG goes down, angular momentum goes down, stability goes up. Our team did this, and we believe the advantages outweigh the disadvantages.

[Matt C]

Get rid of your 80/20 "camera mount" up top including the uprights, leave the shooter support.

Replace with some of that wonderful lexan you got accidentally.

Look to relocate the battery in the center behind your lift mechanism, instead of at the back of the robot.

Also, consider moving the transmissions and motors forward, in between the front two wheels (instead of the back).

I'm currently looking at small pictures on my phone . . have you guys actually gotten the scale to weigh it yet?

The bumpers will help your top bottom a bit, but you NEED to fix the fore/aft problem.

[David Brinza]

I posted about Team 4's "Tip-proof" robot in CD a few years ago.

It has an educational and entertaining YouTube clip showing what you can do with a very low CG.

[JamesCH95]

Originally Posted by Cal578

(emphasis added)
CIM == 2.8 lb each
775 == 0.75 lb each
CIM-U-LATOR == 0.5 lb each

Total weight savings == 3.1 lb (top only)

If you add the CIM's to the bottom, it's a net gain of 2.5 lb. Is that in your weight budget?

If you can (I know it's late in build season), shortening the robot as others have suggested can be a big improvement. CoG goes down, angular momentum goes down, stability goes up. Our team did this, and we believe the advantages outweigh the disadvantages.

You're right, it's just a few pounds for both motors, clearly.

[Bob Steele]

Has it occurred to you to not go over the bump?
Use the ramps... or do you have a problem there too..??

Having those big CIMS up high is where to start... see if you can bring them down or use a lighter alternative motor...

But first put your bumpers on and see if you still have the problem

You don't have to go over the bump...
You can play the game by going over the ramps...

There is danger going over the bump... you can be defended and knocked over..(not as strategy...but defense being played....)

On your own ramp you cannot be defended...

just a thought...