The EP Katana SR is a great looking machine specially designed for precision
3D maneuver. Its oversized control areas ensure that you will get all the
control authority you could possibly want. The Katana SR comes pre-installed
with motor, ESC, servos and pushrods for quick building. Featuring an
eye-catching color scheme surely to draw attention and help greatly with
•Motor Size:4250~710Kv Brushless Outrunner (Included and pre-installed)
•Servos:5 Standard Size Servos (Included and pre-installed)
•Prop Size:13 x 4 (Included and pre-installed) Optional 13x4-13x7 prop can be
•Speed Control: 50A ESC with built in BEC (Included and pre-installed)
•4.1lbs all up weight minus the battery pack
•4.7lbs RTF (with a Sky Lipo 4s 3000mah 40c Lipo pack)
•Simple and lightweight construction is good for electric flight and delivers
maximum 3D performance.
•Neat and simple design makes the Katana SR light weight and very easy to
•Features an oversized rudder makes sure that you will get all the control
authority you could possibly want.
•Features two standard size servos is used for the elevator to deliver accurate
•Features enlarged ailerons for 3D performance and control authority.
•An easily accessible and large battery compartment will fit many different size
•4-5s 2500-3500mah Lipo
•A computerized 6ch transmitter with expo and dual rates is highly recommended.
A 4ch TX can be used, but will require optional Y-Adaptors for ailerons and
•Tools, CA, and Epoxy Glue is needed to complete the build
Amp/Watt draw with the included stock motor and 13x4 prop (measured at full
throttle using an AEO P1 Watt Meter)
Sky Lipo 4s 3000mah 40c Lipo:
Blue Lipo 5s 2200mah 30c Lipo:
Note: Using a 5s Lipo will require a larger ESC since the Amp draw was 55A. The
stock ESC is rated for 50A so it's pushing near the limit with a 5s battery.