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Need a Brushless motor for a R/C boat?
JASON_-_-_666 asked:
I want my boat to go a insane speed I can’t understand the brushless motors and which are the faster ones and do I need a gear box I know the lower the turns the faster it goes but what else do I have to look for what does the rpm/kv mean and also the ESC too would this 6 turn motor from EBay be ok http://cgi.ebay.com.au/6-12-20-Turns-540-3650-Brushless-Motor-For-1-10-RC-Car_W0QQitemZ110321231195QQcmdZViewItemQQptZAU_Toys_Hobbies_Radio_Controlled_Vehicles?hash=item110321231195&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318
Also is the higher RPM the faster it will go or is there some other things I must look for as well what is some of the higher RPM motor spin at
Reef Racer R/c Pool Boat
I want my boat to go a insane speed I can’t understand the brushless motors and which are the faster ones and do I need a gear box I know the lower the turns the faster it goes but what else do I have to look for what does the rpm/kv mean and also the ESC too would this 6 turn motor from EBay be ok http://cgi.ebay.com.au/6-12-20-Turns-540-3650-Brushless-Motor-For-1-10-RC-Car_W0QQitemZ110321231195QQcmdZViewItemQQptZAU_Toys_Hobbies_Radio_Controlled_Vehicles?hash=item110321231195&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318
Also is the higher RPM the faster it will go or is there some other things I must look for as well what is some of the higher RPM motor spin at
Reef Racer R/c Pool Boat
One Response to “Need a Brushless motor for a R/C boat?”
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Your eBay motor could certainly be put in a boat, and it would not need a gearbox, but there are a lot of questions still. Will the boat take the weight? You are going to need 50-100 amps from the battery for the two highest-revving versions – that’s going to be 300-500 grams of expensive lithium battery for about 5 minutes running. Then you are going to need very high quality bearings on both ends of the prop shaft to run at those sorts of speeds.
At your stage i would recommend getting some expert advice from your model shop. Yes, the bits might cost more, but the advice is priceless and you might save your boat catching fire.