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 -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
