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We've provided some special tips for you to keep in mind when assembling your MiG-15 EDF. These tips are provided to
make your flights with your MiG-15 EDF successful.
Please don't overlook this valuable information. If you don't
follow these special tips, we can't guarantee your success.
●
The motor included with your MiG-15 EDF has been specially designed for high RPM ducted fan use. It has been
run, tested and oiled for you at the factory before being included in your kit; therefore, motor break-in is not necessary.
Just test the motor/fan unit after wiring it up to make sure everything is working properly before installing it into
the airplane .
●
Every 10-15 flights we strongly suggest re-oiling the motor bushings using a good quality machine oil. This will keep
your motor running at its peak and prevent premature wear. To access the motor bushings, it's easiest to use a spray
oil with an extension wand.
●
You should charge and cycle the flight battery 2-3 times before your first flight. When new, NiMH and NiCD batteries
need to be cycled before they produce their peak power output and charge capacity.
●
Before every flight, you must "top off" the flight battery with your charger. Do not charge the flight battery the night
before and expect it to produce its full power output the next morning when you go to fly. If you charge your flight
battery the night before, top off the charge right before you fly.
●
Although the cheater hole in the bottom of the fuselage provides the EDF fan unit with most of the necessary airflow
to operate properly, it is still a good idea to keep the intake duct in front of the cheater hole as clean as possible. This
can easily be done by simply counter-sinking all of the wiring into the side of the duct so the intake duct stays smooth.
The battery tray does protrude into the bottom of the duct but this is okay. The battery tray is shaped to be as
streamlined as possible and at the same time provide airflow over the flight battery to keep it cool.
●
Do not close off the cheater hole in the bottom of the fuselage or performance of the EDF fan unit will be drastically
reduced and the airplane will not fly.
●
There is a long distance between the motor and the radio tray where the ESC will be installed; therefore, it's imperative
that you use high-quality silicon wire (no less than 14 gauge) to connect the motor to the ESC. Using high-quality
14 gauge wire will prevent current loss which will result in loss of power. We also strongly suggest cutting off the motor
connectors from your ESC and directly soldering the motor wires to the motor wires on your ESC.
●
As a second note to the above about current loss, it's also imperative that you use high-quality connectors to
connect the flight battery to the ESC. Do not use the Tamiya connectors that are likely installed on your flight battery
and ESC. We suggest using high-quality connectors, such as Dean's Ultra-Plugs.
●
Under no circumstances should you use slip-on connectors to connect the motor wires to the back of the motor. The
motor wires should be soldered onto the motor along with the noise-suppression capacitors.
●
If you decide to make your own flight packs from individual cells, you should use high-current NiCD or NiMH cells.
The cells should be able to handle current draw up to about 15 - 18 amps. When assembling the packs, it is of the
utmost importance to use high-quality battery bars to connect the cells and 14 gauge wiring for the battery plug wires.
We also suggest testing your flight battery with a voltage meter to make sure no cells have been damaged during the
soldering process.
●
Unlike propeller-driven airplanes that produce a lot of thrust right when you throttle up, ducted fans take a few
seconds to "spool up" and produce full thrust. Keep this in mind before hand-launching the airplane and while flying
the airplane. There will be a lag-time between the time the motor reaches full power and the EDF fan unit produces full
thrust. When hand-launching the airplane, you don't need to throw it too hard, but throw it firmly. You
don't
want to
launch it with a light toss like you would a slowflyer.
