In this second preferred embodiment, {HEAD ~ the truss support structure} 20 is modified by reconfiguring {TAIL ~ the cross members} 50 to cooperate with the spar members 40 forming a series of triangular truss joints 57 
is modified by reconfiguring
In this second preferred embodiment , { HEAD ~ the truss support structure } 20 is modified by reconfiguring { TAIL ~ the cross members } 50 to cooperate with the spar members 40 forming a series of triangular truss joints 57
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH