▁front ▁and ▁a ▁fan ▁and ▁imp eller ▁are ▁combined ▁and ▁driven ▁by ▁bel t ▁from ▁the ▁front ▁end ▁of ▁the ▁cam sh aft . ▁The ▁radi ator ▁is ▁en closed ▁with ▁a ▁separate ▁shell . ▁There ▁is ▁no ▁therm ost at ▁device ▁( 1 5 / 1 8 ) ▁Dynam o ▁is ▁mounted ▁on ▁the ▁front ▁end ▁of ▁the ▁c rank sh aft ▁ ▁Mechan ical ▁fuel ▁p ump ▁Autom atic ▁and ▁hand ▁control ▁for ▁the ▁co il ▁ign ition ▁ ▁A ▁red es igned ▁engine ▁of ▁ 2 3 9 0 ▁cc ▁was ▁announced ▁on ▁ 2 1 ▁September ▁ 1 9 3 4 ▁for ▁the ▁Olymp ia ▁Show ▁ ▁Trans mission ▁The ▁fluid ▁fly w heel ▁transm its ▁power ▁through ▁a ▁short ▁spl ined ▁metal ▁univers ally - joint ed ▁sh aft ▁to ▁the ▁separately ▁mounted ▁Wilson ▁ep icy clic ▁g ear box ▁Four ▁forward ▁spe eds ▁Prop eller ▁sh aft ▁is ▁open , ▁back ▁ax le ▁has ▁half - f lo ating ▁unders lung ▁w orm ▁drive ▁ ▁Ch ass is ▁The ▁frame ▁has ▁cru c iform ▁b rac ing ▁in ▁the ▁middle ▁and ▁lattice ▁type ▁st iff ening ▁on ▁the ▁inside ▁of ▁all ▁channel ▁members ▁at ▁vital ▁points ▁giving ▁strength ▁with ▁weight ▁reduction . ▁Ste ering ▁by ▁cam ▁g ear , ▁the ▁column ▁is ▁adjust able ▁for ▁ra ke ▁Lock he ed ▁hyd ra ul ic ▁bra kes ▁and ▁a ▁vac u um ▁ser vo ▁are ▁fitted ▁to ▁all ▁four ▁whe els ▁and ▁a ▁hand bra ke ▁is ▁fitted