Takeoff; Landing - Hangar 9 B25J Mitchell ARF Assembly Manual

Takeoff

Prior to your first flight we recommend that you do
some low speed taxi tests. Use these tests to center
the nose wheel steering to allow for a takeoff straight
down the runway. Once you have finished this be sure
and take a minute to refuel the tanks and take one last
look at the airframe to be sure all screws and control
linkages are secure.
The flaps are not needed if you are taking off from a hard
packed runaway such as asphalt and even fields with
short grass do not require the use of flaps. If you are
taking off from a grass field that is rough or has not been
mowed recently, then we recommend that you use the
half flap position and allow a little extra takeoff roll before
gradually feeding in up elevator. Once you have the B-25
airborne maintain a shallow rate of climb and allow the
model to gain speed prior to making the first turn. The
flaps should be retracted at this point and you should be
entering into the normal traffic pattern. If you are using
retracts then we suggest that you retract the landing gear
prior to retracting the flaps.

Landing

To begin the landing approach you will need to first lower
the throttles and reduce your flight speed. We recommend
this take place on the downwind leg and that you have the
flaps in the full down position prior to beginning your turn
to the base leg. Allow the B-25 to begin a slow downward
decent and gradually allow the airspeed to bleed off. The
idea is to loose altitude and maintain airspeed by keeping
the nose down in the turn. As you begin your upwind
approach use the throttles to maintain your sink rate
and as you pass over the end of the runway reduce the
throttles to idle and begin to add up elevator and begin
your flare to landing. Should you overshoot the landing
the gradually add power and use the rudders to keep the
B-25 on track. Keep the flaps in the full down position and
begin to set up for a second attempt.
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Familiarize yourself with the flight characteristics of the
B-25 and practice flying the model at a safe height using
both the mid and full flap positions. Be sure and reduce
the throttles and allow the B-25 to slow a bit prior to
lowering the flaps to the first or mid position. Then lower
the flaps to the full position and adjust power to maintain
straight and level flight. You will find that the B-25 does
not balloon or pitch up if you allow the model to slow
prior to dropping the flaps. We have found that if you
follow this procedure, then you will not need to mix in any
down elevator compensation.