If you are experiencing bad performances from your plane; such as sluggish rolls and low rate of climb, it could be due to of one of these reasons:
- Old battery - even if the battery is fully charged, if you use old batteries, their full capacity is not enough to run the motors at the maximum RPM
- Propellers - they may be worn out. Replace them, if this is the case
- Propellers installed incorrectly - both motors run in different direction. If you installed the left propeller on the right motor, the thrust will point backward!
- Plane is not well folded, or the paper is worn out - any asymmetry between the wings, or distortions caused from hard landings reduce the efficiency of the wings. Your paper airplane should fly well without the FPV module!
- The wing is too small - if you fold the wing above the printed crease line, you increase the keel of the plane, while reducing the wing area. This reduces the lift the wing creates, and lowers the performance
- Center of Gravity - if you do not push the module all the way backward (and the paper plane all the way forward), the Center of Gravity is moved forward, and there will not be enough power to pitch up. The plane will dive to the ground
- Adjusting the elevators too high will turn them into air brakes. This increases the drag the plane creates and reduces the speed and the lift. Readjust the elevators to correct that!
- Cross bar mounted on top of the bars and not below - the crossbar keeps the wings from bending up. If the order is (top to bottom) Crossbar/rods/wings - the tips of the crossbar remains too high above the wings to be effective. Make sure the order is rods/crossbar/wings
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