ing ▁of ▁the ▁main ▁g ear . ▁There ▁is ▁no ▁water ▁rud der . ▁The ▁wing ▁is ▁an ▁al umin ium ▁frame ▁covered ▁with ▁pre - se wn ▁D ac ron ▁en velop es . ▁The ▁h ull ▁is ▁constructed ▁from ▁fib reg lass ▁and ▁the ▁wing tip ▁flo ats ▁are ▁poly eth yl ene . ▁The ▁remainder ▁of ▁the ▁structure ▁is ▁an od ized ▁al umin ium ▁tub ing , ▁bol ted ▁together . ▁Control s ▁are ▁conventional ▁three - axis , ▁with ▁full ▁span ▁a iler ons ▁and ▁no ▁f laps . ▁The ▁company ▁claims ▁that ▁the ▁fast - build ▁k it ▁can ▁be ▁constructed ▁in ▁ 9 0 ▁hours . ▁ ▁The ▁two - se at ▁A vent ura ▁II ▁was ▁introduced ▁in ▁ 1 9 9 6 ▁and ▁is ▁similar ▁to ▁the ▁single ▁se ater , ▁but ▁with ▁a ▁wider ▁cabin ▁and ▁h ull ▁for ▁two ▁occup ants ▁in ▁side - by - side ▁configuration . ▁The ▁two - se ater ▁also ▁features ▁f laps ▁to ▁reduce ▁landing ▁spe eds . ▁The ▁company ▁claims ▁ 1 3 0 ▁hours ▁to ▁build ▁the ▁two - se ater ▁from ▁the ▁k it . ▁ ▁Vari ants ▁A vent ura ▁U L ▁Single ▁se ater ▁optim ised ▁for ▁the ▁US ▁F AR ▁ 1 0 3 ▁Ul tr al ight ▁Ve h icle ▁category , ▁with ▁an ▁empty ▁weight ▁of ▁. ▁Eng ines ▁include ▁the ▁original ▁ ▁Rot ax ▁ 2 7 7 ▁in ▁early ▁models ▁and ▁the ▁ ▁Rot ax ▁