Average 2014 Chassis
 

AM14U with a few enhancements:

• Asymmetric square setup 28"W X 27.5"L
• Four AM Performance Wheels w/Nitrile Roughtop
• Two VexPro Dual Omniwheels
• #25 Chain Drive with simple tensioners where needed
• AM3CIM4U refitted with VexPro gears to decrease friction
• Grayhill encoders on custom extra long standoffs

Re: Average 2014 Chassis
 

Or just "rectangular" :)

Looking really good though!

Re: Average 2014 Chassis
 

The square is not exact because we left some margin on the frame perimeter (111<112) :) . I like to make things easy for our inspectors.

But what I meant by "asymmetric" is that the wheelbases are not the same on each end; i.e., the middle wheels of this 6WD are not in the center of the chassis. We cut one end of the kit chassis, but not the other. It is also possible to cut both ends and obtain a "symmetric" square chassis, with the middle wheels at the center of the chassis.

Re: Average 2014 Chassis
 

Why do you list substituting chain for belts as an "enhancement"? :p

Re: Average 2014 Chassis
 

We really like the belts with 2 CIMs per side and kit wheels. No data yet when we increase to 3 CIMS, and increase to roughtop CoF. We ran 3 CIMs per side with roughtop and #25 chain last year with no issues, except that we kept delaminating the AM roughtop when pushing hard. This year we are switching to nitrile in an attempt to avoid that.

Short answer: belts might be just fine, but we are going with what we know works this time.