Hi,
I'm new to multirotors - flying a Hubsan X4 FPV and Dromida Ominus FPV for the last few months. I wanted to build something and bought a Titan tricopter kit. My build will user 16" carbon fiber arms with poplar inserts adhered to the inside of the tubes with Gorilla Glue, a KK2.1 flight controller (would like to upgrade to a Pixhawk, but everything I read convinced me to go simpler), and SunnySky X2212 KV980 II Brushless Motors with HobbyKing F-30A ESCs flashed with SimonK firmware. Although I am interested in a platform for aerial photography and FPV, I haven't yet considered cameras and transmitters. When I do add this, I expect it to weigh around 1000 grams. Perhaps GPS and telemetry, too.
Here is my problem. I used a propeller/motor combination that I saw on the Titan website. The recommendation was for Graupner 10x5 props (w/ pusher for yaw mechanism - but I don't really see why a pusher is necessary for a tricopter tail rotor on a servo - just trying to wrap my head around the theory - is it a torque thing?). I chose this combination before I knew how expensive Graupner props were - I expect to break a lot of propellers for quite some time. I need ideas for less expensive props while I continue learning. Also, I have no idea what the difference is between multirotor props and e-props - there appears to be different max rpms but the dimensions are similar - perhaps they vary in stiffness? Also, there is Slow Fly, which generally appears to be rated for very low RPMs. I would imagine that too many rpms on a blade that is not strong enough could be very dangerous.
BTW, this is my first post - really enjoy reading the forums and digesting the huge amount of info on the site.
Any advice would be greatly appreciated. Thank you.
I'm new to multirotors - flying a Hubsan X4 FPV and Dromida Ominus FPV for the last few months. I wanted to build something and bought a Titan tricopter kit. My build will user 16" carbon fiber arms with poplar inserts adhered to the inside of the tubes with Gorilla Glue, a KK2.1 flight controller (would like to upgrade to a Pixhawk, but everything I read convinced me to go simpler), and SunnySky X2212 KV980 II Brushless Motors with HobbyKing F-30A ESCs flashed with SimonK firmware. Although I am interested in a platform for aerial photography and FPV, I haven't yet considered cameras and transmitters. When I do add this, I expect it to weigh around 1000 grams. Perhaps GPS and telemetry, too.
Here is my problem. I used a propeller/motor combination that I saw on the Titan website. The recommendation was for Graupner 10x5 props (w/ pusher for yaw mechanism - but I don't really see why a pusher is necessary for a tricopter tail rotor on a servo - just trying to wrap my head around the theory - is it a torque thing?). I chose this combination before I knew how expensive Graupner props were - I expect to break a lot of propellers for quite some time. I need ideas for less expensive props while I continue learning. Also, I have no idea what the difference is between multirotor props and e-props - there appears to be different max rpms but the dimensions are similar - perhaps they vary in stiffness? Also, there is Slow Fly, which generally appears to be rated for very low RPMs. I would imagine that too many rpms on a blade that is not strong enough could be very dangerous.
BTW, this is my first post - really enjoy reading the forums and digesting the huge amount of info on the site.
Any advice would be greatly appreciated. Thank you.
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