[Billfred]

I've done two kitbot-derived 6WDs in my days, both with the little bit of center-wheel drop inherent with the kitbot.

In 2006 with 1293, we used an 8x2 IFI wheel in the center and Skyways on the corners. The result held up fine through Palmetto, and some off-season thrashing the team did following my departure. (Suffice to say, I noticed some grass around the kit gearbox output shaft when I paid them a visit.)

This season with 1618, we had a bit of funding to use on the drive system, so we switched to AndyMark Gen2 Shifters with a big and small CIM on each side. (We were using one of the small CIMs elsewhere, so we couldn't just go four smalls.) This year, we're using six AndyMark kit wheels, each skinned of its gray rubber surface and replaced with roughtop or wedgetop with rivets. We didn't get the chance to test it on carpet, but tests in the hallway were impressive. (Ask me in a week for better results.)

I haven't experimented with other forms of 6WD yet, but the one I have used hasn't let me down yet.