www.apcoaviation.com
21
FLYING SPEED
Indicated trim speed is dependent on the amount of brake the pilot is using, wing loading, altitude above sea level and the accuracy and
make of speed probe. The speeds recorded in technical data were at optimum wing loading at sea level using a Flytec, 6030 thus there
could be a slight variation in speed range numbers that a pilot may record.
Speed readings in the flight reports could differ as this was measured during testing using various instruments and is an indication of
the difference between trim, stall and top speed. The speed range will be the same but the actual numbers may differ.
•
With 0% brake and trimmers at 0 (Neutral) the F3 will fly at 45 - 49 km/h with a sink rate of 1.5m/s.
•
Trim closed, and 25% brake the glider will fly at 35-39km/h with minimum sink rate 1.2 m/s.
•
The best glide angle is achieved with closed trims 0% brakes and 5-10% speed bar, with OAA not activated (Brummel hooks locked).
•
At 80% of the brake range, the glider will fly at about 28km/h and will be close to the stall point at about 26km/h (at optimum weight).
THERMAL FLYING
F3 has high internal pressure and needs very little pilot input even in very turbulent conditions.
In light lift it is advised to make flat turns to keep the glider from banking too much and avoid increasing the sink rate.
In strong lift conditions it is most effective to make small turns in the core with relatively high bank.
For the best climb rate in ridge lift we recommend using about 15% to 20% brake and
trimmers fully closed.
ASYMMETRIC COLLAPSE
If one side of the glider partially folds or collapses it is important to keep your flying direction by applying weight shift and some brake on
the opposite side.
The wing should re-inflate on its own without any input from the pilot.
CAUTION:
APART FROM WHEN FLARING AT LANDING THERE SHOULD BE NO REASON TO FLY WITH 70% TO 100% BRAKE. THE SINK
RATE OF THE GLIDER WILL BE EXCESSIVE AND THERE WILL BE A POSSIBILITY OF ENTERING A DEEP STALL OR FULL STALL
SITUATION. THERE IS ALSO THE RISK OF GOING NEGATIVE OR ENTERING A SPIN WHEN ATTEMPTING TO TURN THE GLIDER
NEAR THE STALL SPEED.
WARNING:
The use of the speed system in turbulent conditions or close to the ground is dangerous. While flying with the accelerator, the glider
has a reduced angle of attack and is therefore more susceptible to turbulence and may collapse or partially deflate. Gliders react
faster when accelerated and may turn more. The accelerator should immediately be released in this case.
Содержание 22336
Страница 1: ...www apcoaviation com 7 Chalamish St Ind Park Caesarea 3088900 ISRAEL 2021 09 08 rev 1 0 offline...
Страница 29: ...www apcoaviation com 29 24 F3Bi 36 SKETCHES...
Страница 30: ...www apcoaviation com 30...
Страница 31: ...www apcoaviation com 31 APCO wishes you many hours of enjoyable flying Take Air...