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ok what material will be ok for small engine ? will alu be ok ?

just wow ..

just another q .. if i want to build small engine from these plans in here ,like car engine, in let say that size around 120mm which one will be smart to build ? will give this project infos to friend (it's his turn anyway) so he can work on that fishing boat and i want to see will i be...

sato engine look nice ..hate nitro ones .. i once almost burn friend car with it :) test fire and bzzk lucky we was in fields so i can toss outside now can only hope that vibrations will be low too i want ic cause load gas in and no more to worry will it stop in middle of lake ,will bats...

thanks for tip :) but when i put all this on paper these 20 cc engines are just too big for 500mm boat for 1m + will be ok but .. . i made mistake i was in last project ( we build tiger tank in 1m size and was heavy even we use alu so 1hp was in head) so i ask wrong sryy .. for this...

i think 500mm or like just to tow 2-3kg of fish feed to place we drop our hooks can do all this on bat only but where will be fun in that :) plus apu can be useful in many things like recharging phone when we stay couple days or like that :)

i was thinking to make apu to power all el parts .from main axis to prop is hard to do so engine to generator = apu to bat to el motor/board/servo/ecs and i was thinking to go this size Zenoah G290RC motor or something similar around 15-20 cc i think will be enough to power generator which...

idea is to connect fuel engine to propeller that will run boat and add on same axis belt to some electrical engine to act like generator ... to produce el power for remote board and servos for boat that will serve like fish feed catamaran anyone have idea which smalish one will be ok for that ...

chinese engines are most of time a crap if u want to run it over 50% throttle i buy like 20 now for planes and only 1 from tw work kinda ok same size one from turkey work for 15 flights no problems that one burn piston in 4th crashing plane ,rest chinese have heat problems that lock piston...

hi all and i hope will be welcome :) i love rc ..from drones to planes and latest boats and dream one day to play with locomotives too all in all it's expensive to waste $ in this that engine to find one that fit (by power and size) right now i sell all my rc planes ,have only 1 drone that never...