<span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">Hello!</span><br style="font-family: arial, helvetica, sans-serif; font-size: 15px; " /><br style="font-family: arial, helvetica, sans-serif; font-size: 15px; " /><span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">Thanks for help and replies. I am sorry for a late replies but I have a severe lack of time so</span><span style="font-family: arial, helvetica, sans-serif; font-size: 15px; "></span><br style="font-family: arial, helvetica, sans-serif; font-size: 15px; " /><br style="font-family: arial, helvetica, sans-serif; font-size: 15px; " /><span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">For the servo i have removed rode so its s only one now (friend already warned mee</span><span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">)

so i was thinking about that motor :
</span><a href="http://www.hobbyking.com/hobbyking/store/__14342__NTM_Prop_Drive_Series_35_36A_1400Kv_550W. html">http://www.hobbyking.com/hobbyking/s...00Kv_550W.html
</a><span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">
The copuler for motor i now and is not problem..
That abiut the shaft i don t understand very good.. it is this shaft :
</span>http://www.der-schweighofer.at/artik...ohr_m4x310_mm#
<span style="font-family: arial, helvetica, sans-serif; font-size: 15px; ">and you just put on propeller and srew it with bolt.

There is one more problem in diameter of the propeler.. which one?
For airplanes is program drivecalc where you can see how much current and volts is used on selected motor</span>
and propeler.. is there for boats propeler anything like that?



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