Wow Chris, love the floors. I had quite a few wheelchairs or mobility devices in my day.
Invacare Action Cat with Aviation Tiller Owned 7mph
Quickie p300 Rental 7mph
Quickie p200 Owned(indoors) 7mph
Jazzy1170 Owned (off road) 5mph
I also had an ARD tilt in space power seat. It was on the p200 then when I finished college I moved it to the 1170. The 1170 would climb curbs, but it was a jolt.
I still own the p200 and an invacare mvp aluminum folding chair. I sold the jazzy 1170 to a guy for a project for Burning Man 2011.
Since I got my license to drive I hobble or wobble around vs roll.