PART II-HANDLING
41. Diving
(i) The aircraft becomes increasingly tail heavy as speed in-
creases and should, therefore, be trimmed into the dive.
The tendency to yaw to port should be counteracted by
rudder or by the use of the rudder trimming tab.
(ii) The throtle should be set at least 1/3 open. No attaempt
should be made to reach the limiting diving speed if the
r.p.m. reach the maximum beforehand. (see para. 48)
42. Aerobatics
(i) The following speeds in knots are recommended:
Roll ... ... ... ... 130-140
Loop ... ... ... ... 140-150
Half-roll off loop ... ... 150-160
(ii) Aerobatics in the looping plane are straightforward, but
slow rolls are difficult to execute accurately, as there is
insufficient rudder control in the letter part of the roll to
keep up the nose.
(iii) If the engine cuts, either in inverted flight, or through
negative "g." the throttle must be closed to prevent sub-
sequent overspeeding of the propeller.
(iv) Aerobatics are prohibited when the rear seat is occupied.
43. Checks before landing
Fuel ... ... ... Check contents.
Selector on fuller tank.
Harness ... ... Tight and locked.
Air-intake heat control As required.
Air-intake filter control Filtered air (selector out)
Brake pressure ... Supply pressure 450
lb./sq. in.
At each wheel 100 lb./sq. in.
Propeller ... ... Set r.p.m. control lever to
max. r.p.m. on final
Flaps ... ... ... As required.
44. Approach and landing
The recommended final approach speeds are:-
Flaps up or down
Glide ... ... ... ... 70 knots
Engine assisted ... ... 65 knots
23
|