Foxtech NIMBUS VTOL Operation & User’s Manual

©2017 FOXTECH All Rights Reserved 1 Specifications Basic Theory Introduction Setup and Calibration Assembly Control Surface Calibration Compass and Airspeed Calibration Test Flight Autopilot Applications 2 3 3 4 4 4 6 7 9 10 Contents ...

©2017 FOXTECH All Rights Reserved 2 Aircraft Structure Item Name Version Material Shipping Dimension Shipping Weight Wingspan Length Max Flying Height Max Flying Speed Take-off Weight Max Take-off Weight Max Payload Suggested Battery Servo ESC Motor Propeller Air Speedometer UBEC Transmitter Flight Controller Radio Telemetr ...

©2017 FOXTECH All Rights Reserved 3 Basic Theory Introduction Nimbus VTOL is a modified version of Nimbus dual engine FPV plane, by keeping the advantages of the original design, e.g, long flight time, stable flight, low stall speed, Foxtech gives it another great feature- Vertical taking off and landing. With this great fe ...

©2017 FOXTECH All Rights Reserved 4 Setup and Calibration When you receive the Nimbus VTOL, almost all components are installed, but there are still a few connections to be done. - Connect the V tail. - Connect the left and right wings. - Connect the left and right tilting servo plugs. - Connect the airspeed sensor before p ...

©2017 FOXTECH All Rights Reserved 5 Switch to Qstabilize mode, remove the propellers and check the tilting motors’ moving direction. E.g when you push the rudder to the right, the left motor should tilt forwards and the right motor tilting backwards. If you find the moving direction is the opposite, swap the plugs on AUX ...

©2017 FOXTECH All Rights Reserved 6 Nimbus VTOL uses high sensitivity compass and it has to be re-calibrated when fly in a new place. Compass and Airspeed Calibration - Transition servo speed can be adjusted by Q_tilt_rate_up and Q_tilt_rate_dn, it’s suggested to set the Q_tilt up with at least 100degree/s speed so the p ...

©2017 FOXTECH All Rights Reserved 7 Test Flight Before the first flight, it’s suggest to check if every component is well connected, tilting servos working properly, motors spinning to the correct direction and all control surfaces are moving to the desired directions. It’s suggested to use 3 modes, FBWA, Qstabilize and ...

©2017 FOXTECH All Rights Reserved 8 Switch it to FBWA mode, the Nimbus should tilt the two front motors together to gather speed, once the speed is reaching 8m/s, the front motors will tilt straight and rear motor stops spinning, then the Nimbus is now transferred to fixed wing. It’s also suggested to active the short and ...

©2017 FOXTECH All Rights Reserved 9 Autopilot After the first flight, you can try to do autopilot. You can choose to take off and land either by manual control or automatically. Automatic taking off and landing and other VTOL features can only be found in Mission planner but no other APP on ISO or Android devices like TOWER ...