And i have made the reduktion, but it will be 1-19 reduktion!! And the water cooling have been orderd Den fredag den 29. marts 2013 12.09.05 UTC+1 skrev Joe Sommer: > > > On Friday, March 29, 2013 6:02:09 AM UTC-4, Niels Erik Kristensen wrote: > >> Link to regulator: >> >> http://www.hobbyking.com/hobbyking/store/__24568__HobbyKing_50A_Boat_ESC_3A_UBEC.html >> >> Link to motor: >> >> http://www.hobbyking.com/hobbyking/store/__15201__HobbyKing_Donkey_ST4010_820kv_Brushless_Motor.html >> Den fredag den 29. marts 2013 10.40.41 UTC+1 skrev Niels Erik Kristensen: >> >>> Why du everyone use big heavy and week brushed motors? Most of you use >>> motors that weight about 1 kilo, and only give 350-400 watt-And cost 60 usd >>> ore more. >>> >> > Motors that most tanker use have speed reducers to provide about > 400 rpm directly to the tank driveshaft. > > >> Furtermore its dificult to buy regulators to them, so many "tankers" >>> control there tanks with a system of relays? >>> >> > Very few tanks still use relays. Almost all use off-the-shelf > dual channel speed controllers with right-left mixing. > I recommend the Sabretooth 2x60 > http://www.dimensionengineering.com/products/sabertooth2x60 > > >> The motor i will use weight about 200 grams, and give about 800 watt on >>> 4S lipo battery ( 14,8 volt) And i will control the motors with a 50 A boat >>> regulator-Watercooled and with a max boost to 60 Amp. The regulator give me >>> full control both forward and reverse, with brake. >>> >> >>> My motor cost under 13 usd!! The regulator cost about 18 usd >>> >> > We hope that you can sucessfully complete your tank with > this motor/controller solution. > > You will need to build two systems that no other tankers have wanted to > try. > a) 30 to 1 speed reducer (14.8V * 820 rpm/V = 12136 rpm) > b) water cooling with a radiator > > Respectfully, > Joe Sommer > > >
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