This is a very impressive aircraft indeed. As a followup to Barnstormers suggestions regarding tires, I recommend very large bush wheels for the mains and a very small tiny nose wheel up front, al of which will tip the fuselage forwards and enable the aircraft to roll downhill during takeoff.
Also, given that Kenya is below the equator in the Southern Hemisphere, I believe the prop was rotating incorrectly in the opposite direction. Fighting coriolis forces can significantly impact prop efficiency, which is why we don't see many propeller aircraft at the South Pole.
http://en.wikipedia.org/wiki/Coriolis_effect Finally given the number of wings it has, perhaps two or three vertical stabs such as on the Bamboo Bomber or the Super Connie would be worth considering, along with iron vg's.
Will this jewel of aviation engineering be available for inspection at Oshkosh 2014? Will a helicopter or twin engine soon follow ? We can only hope and pray.