Nick,
There is no way you have enough information from what has been said
in this group to know where the center of gravity is (I am
laughing)...also, you don't know enough about what he is trying to do
to call his design crap.....you'd need to see detail first (i.e. does
the bike mount at just one point...or more? and...do the "tongues"
indeed mount in such a fashon as to help with the stress at all....or
do they play as much a part as the hitch mount?
Don't do a bunch of "assumed math" & call a design you know almost
nothing about crap buddy. It makes you look silly.
-Wayne-