As of late april last year, I'm a double amputee. I started a thread in the tips and tricks forum called "Wheelchairs on the Playa" to try and prep myself for the trip this summer. So you could post concerns there and read through what's already there. There is also the Gimps R US tribe on tribe.net which has a good number or playa wheelies. You also might want to track down Mr. Fixit on this board; he runs Hot Wheelz camp, which has lots of crips and which does short term loans of art cars with hand controls, so there's wisdom there. Dan das Man who runs the DPW shop is in a chair, and I saw at least three in total as SF Decomp last year. so people can and do go and manage on the playa. It is my intention not to take my power chair, as I don't know how I'd get it there or charge it, and because I'm concerned about the fact taht the playa is hard on electronics. Others say that power chairs are sealed up good enough that isn't really an issue. So, I'm new at this and learning myself.
Lose your legs--Become a merit badge.
Remember, you're just a make-believe soldier in an artificial army.