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Old 01-26-2018 | 09:41 AM
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RCypher
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Default question about suitable prop and servo for a small speed boat

Hello.

Im building a small rc boat and i have most of the parts but there are a few questions i have. im trying to build a quick little boat that's fun to play with.

The hull is a 14" long deep v that is about 5" wide that is made it out of Styrofoam insulation that was hollowed out and fiber glassed. i have a tx/rx, a 30A watercooled esc, a 3" long aluminum rudder with water pickup, a set of turn fins, a flex shaft with a shaft sleeve, a 24.5mm water cooling motor sleve, and a racerstar 2430 8200kV brushless motor that i was gifted from a friends rc car that will run on a 2s 7.4v battery.

This brings me to my 2 main questions.
1. what would be an appropriate prop be for this motor to get this little boat moving quick on the water
2. how strong of a servo would i want to control the rudder?

any help would be greatly appreciated!

regards,
RCypher