15
Set the flaps so that you can set them at about 15
degrees down for take-off and full flap for
landing.
If you have a radio that can be programmed for
slow throw movement, it makes the flap
operation more like full size scale. Also you can
program you radio so that you can turn on the
landing flap setting on final circuit and the flaps
will deploy once you have throttled back below
the pre-established throttle setting. You can also
program a bit of down elevator to prevent
ballooning. By using this type of set-up, if you
have to throttle up and not land, the flaps and
elevator will return to normal state.
It is also recommended that if your radio has
EXPO, that you set the above functions to about
35 – 40%
ENGINE SET UP
Be sure the engine is properly broken in using
the manufacture instructions. Set the throttle
throw to shut the motor off when the trim is
pulled down and idles reliably with the trim up
.
CONGRADULATIONS, you are now ready for
test flights.
Before leaving for the field, be sure your
batteries are fully charged and you have all the
required support equipment {fuel, starter, etc.}.
Although the Howard DGA will fly well in wind,
wait for a nice day.
At the field have a helper hold the airplane;
following the radio manufactures instructions
perform a range check of the radio. Do this with
the motor off, start the motor and do it again.
Perform this test EVERY TIME YOU
GO TO FLY!
TRIMING BASIC FLIGHT
The Howard DGA is NOT a trainer. A true Scale
aircraft, it goes only where you point it and will
not recover to level flight without control input.
If you do not have performance experience, seek
the help of someone who does.
Line up on the center of the runway and slowly
open the throttle, using the rudder to maintain
directional control. Once the tail is up apply a
little up elevator and allow the plane to gently lift
off the runway. Keep the climb angle and turns
shallow until you reach a safe altitude. Reduce
the throttle to about 60% power. With the
airplane flying away from you adjust the radio
aileron trim tab till the wing stays level. Turn
and line up the plane with the runway. Adjust the
elevator trim till the plane maintains level flight.
Once again with the airplane flying away from
you adjust the rudder trim till the fuselage tracks
straight {it may be necessary to correct the
aileron trim after this procedure}.
Continue to fly and trim until the aircraft is
tracking well, land before the fuel runs out.
For the 1
st
flight, it is suggested that you DO
NOT use the flap system. Save it until you get
comfortable with the plane.
Carry a little power on final approach until over
the end of the runway, and then cut power to idle,
hold the plane just off the runway till the
airspeed bleeds off and the plane settles on. If the
landing is too long, add power go around and try
again, don’t try to force it to the ground.
Now it’s time to zero out the trims. To do this
measure the control location, center the trim tab
on the radio and adjust the servo horn for large
changes, the control clevis for small changes.
For example if after the flight the rudder is 3/16
inch to the right, center the radio trim and adjust
the clevis till the rudder once again measures
3/16 right.
