▁param ot or ▁that ▁was ▁designed ▁by ▁Paul ▁Taylor ▁and ▁produced ▁by ▁Av 8 er ▁Limited ▁of ▁Wood ford ▁H alse , ▁North am pt ons hire ▁for ▁power ed ▁par ag l iding . ▁Now ▁out ▁of ▁production , ▁when ▁it ▁was ▁available ▁the ▁aircraft ▁was ▁supplied ▁complete ▁and ▁ready - to - fly . ▁ ▁Design ▁and ▁development ▁The ▁Or b iter ▁was ▁designed ▁to ▁comp ly ▁with ▁the ▁US ▁F AR ▁ 1 0 3 ▁Ul tr al ight ▁Ve h icles ▁rules ▁as ▁well ▁as ▁European ▁reg ulations . ▁It ▁features ▁a ▁par ag l ider - style ▁wing , ▁single - place ▁accommod ation ▁and ▁a ▁single ▁engine ▁in ▁push er ▁configuration . ▁The ▁aircraft ▁is ▁built ▁with ▁special ▁attention ▁to ▁bal ancing ▁and ▁v ibration ▁isol ation . ▁The ▁c age ▁assembly ▁includes ▁small ▁whe els ▁to ▁ease ▁ground ▁movement ▁of ▁the ▁motor ▁unit . ▁ ▁As ▁is ▁the ▁case ▁with ▁all ▁param ot ors , ▁take - off ▁and ▁landing ▁is ▁accomplished ▁by ▁foot . ▁In fl ight ▁ste ering ▁is ▁accomplished ▁via ▁handles ▁that ▁actu ate ▁the ▁can opy ▁bra kes , ▁creating ▁roll ▁and ▁y aw . ▁ ▁Vari ants ▁Or b iter ▁L ite ▁Model ▁with ▁a ▁ ▁Rad ne ▁Rak et ▁ 1 2 0 ▁A ero ▁ES ▁engine ▁in ▁push er ▁configuration ▁with ▁a ▁ 4 : 1 ▁ratio ▁reduction ▁drive ▁and ▁a ▁ ▁diameter ▁two - bl aded ▁wooden ▁prop eller . ▁The ▁fuel ▁tank ▁capacity ▁is ▁. ▁Or b