On Nov 21, 2013, at 7:31 AM, Richard A Jones <Jones@COLORADO.EDU> wrote:

It screws up to the bottom of the frame members and has some
access holes, although I can't figure out what they are for.
I don't think I could change the white plastic fuel filter
through one....

"stuff" drainage holes? I know a mechanic in Ogden UT that installed
heavy aluminum panels on the bottom of his prop shaft protector bars
and across the transaxle and engine, more or less like a skid plate,
drilling 1" holes for drainage.

bob