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Model helikopterciliğin yarışmaların çoğalması ile gelişeceğine inandığımdan Amerikada uygulanan Class 1 2 3 yarışma kurallarını aşağıda yayınlıyorum. Türk Hava Kurumu ile yapılan toplantıda bu haraketler kurum tarafından da destek verilmesi ve resmi müsabakalarda bu sınıflar da da yarışma düzenlenmesi talebimiz iletilmiştir. Umarım kısa zamanda bu haraketler ile yarışmalar yapılır ve F3C uçmayı henüz başaramayan arkadaşlarımızla beraber zevkli yarışmalar düzenleriz. The 19.1. Class I maneuvers are : 19.1.1. Hover Forward and Back. 19.1.2. Hover Sideways and Back. 19.1.3. Multilevel Hover. 19.1.4. Tail-in Circle. 19.1.5. Constant Heading Circle.
Pilot stands on outer helipad, helicopter takes off from central helipad, climbs vertically to eye level and stops. With a constant heading and altitude, the helicopter moves along a straight line forward at a constant speed to the outer helipad and stops. The helicopter then moves to the central helipad, stops, and descends vertically to the central helipad. Downgrading Guide:
Pilot stands on outer helipad, helicopter takes off from central helipad, climbs vertically to eye level and stops. With a constant heading, speed and altitude, the helicopter moves along a straight line sideways to the other flag ( away from judges ) and stops. the helicopter then moves in the opposite direction sideways at a constant heading, speed and altitude to the central helipad, stops, and descends vertically to the central helipad. The first sideways movement is in a direction away from the judges. Downgrading Guide:
Pilot stands on outer helipad, helicopter takes off from the central helipad and climbs vertically to eye level, hovers for five ( 5 ) seconds, ascends vertically two ( 2 ) meters, hovers for five ( 5 ) seconds, descends vertically to eye level, hovers for five ( 5 ) seconds, the descents vertically to central helipad. The pilot is responsible for judging the five ( 5 ) second intervals; however, no downgrade shall be made for time excess of the five ( 5 ) seconds. Downgrading Guide:
The pilot stands on the outer helipad, helicopter takes off from the central helipad, climbs vertically to eye level and stops. The helicopter them moves sideways to the right or the left at a constant altitude, speed and constant distance from the pilot. The tail is always pointed at the pilot. The helicopter continues until it is over the central helipad, then stops and descends to the central helipad. Downgrading Guide:
The pilot stands on outer helipad, helicopter takes off from central helipad, climbs vertically to eye level and stops. While maintaining constant altitude the helicopter begins a circle to the right or to the left maintaining a constant heading and speed. The circle passes over the two ( 2 ) corner flags opposite the pilot, ending at the central helipad and stops. The helicopter the descends vertically to the central helipad. Downgrading Guide:
p> Class II Schedule of maneuvers
The 19.2. Class II maneuvers are: 19.2.1. Hovering Triangle 19.2.2. Constant Heading 8 19.2.3. Spike with Five ( 5 ) Second Hover 19.2.4. Flying 8 19.2.5. Stall Turn 19.2.6. Loop 19.2.7. Transitional Landing
Pilot stands on the outer helipad, helicopter takes off from the central helipad, climbs vertically to eye level and stops. While maintaining constant altitude, speed and heading, the helicopter fly's a diagonal line forward to the left or the right corner flag and stops. Then moves sideways to the opposite corner flag, stops, moves rearward diagonally to the central helipad, stops, then descends vertically to the central helipad. Downgrading Guide:
The pilot stands approximately two ( 2 ) meters behind the outer helipad, helicopter takes off from the central helipad, climbs vertically to eye level and stops. While maintaining constant altitude, speed and heading, the helicopter begins a forward hovering circle to either the right or the left. The circle passes over the two ( 2 ) corner flags on the one ( 1 ) side of the square and ends back at the central helipad. The helicopter continues and makes another similar circle in the opposite direction until it reaches the central helipad, then stops and descends vertically to the central helipad. Downgrading Guide:
The pilot stand at a fixed position chosen by him, the helicopter fly's straight ahead at eye level for five ( 5 ) meters at a constant altitude, speed and stops over the central helipad. the model climbs vertically for ( 2 ) meters, stops, then maintains a stationary hover for five ( 5 ) seconds. Then the model descends vertically to eye level, stops and fly's five ( 5 ) meters straight forward at a constant altitude. The pilot is responsible for judging the five ( 5 ) second interval; however, no downgrade shall be made for time in excess of five ( 5 ) seconds. Downgrading Guide:
Helicopter fly's straight and level for 15 meters and at a altitude of approximately 10 meters, then make a 270 degree turn centered around flag number 2 and ending at flag number 1. The helicopter then makes a 360 degree turn in the opposite direction centered around flag number 3 and ending at flag number 1. The helicopter then makes a 90 degree turn in the opposite direction back to the flight path and flies straight and level for 15 meters. the maneuver starts at the " midline " and tangent to the dashed line shown in figure 1. The first turn must be away from the judges. The maneuver should be flown at moderate speed. Downgrading Guide:
Helicopter flies straight and level for 20 meters, then climbs vertically with a smoothly rounded curve of 90 degrees. When the vertical climb stops, the helicopter rotates 180 degrees about the yaw axis so that the nose points downward. While diving, the helicopter follows the same path as for the begining of the maneuver, the helicopter should start and finish on the " midline." Downgrading Guide:
The helicopter flies straight and level for 10 meters, then performs a loop maintaining the nose in the direction of flight. At the end of the loop, the helicopter flies straight and level for 10 meter on the same heading and altitude as at the start of the maneuver. the maneuver should be centered on the "midline." Downgrading Guide:
At an altitude of no less than 10 meters and on a heading parallel to the flight line, the helicopter begins a constant rate translational descent to a landing on the central helipad. A constant heading parallel to the flight line must be maintained. Downgrading Guide:
Class III Schedule of maneuvers
The 19.3. Class III maneunvers are: 19.3.1. Hovering Hourglass 19.3.2. Flying Circle 19.3.3. Spike with Pirouette 19.3.4. 540 Degree Stall Turn 19.3.5. Slow Roll 19.3.6. Immelmann Turn 19.3.7. Loop 19.3.8. Autorotation Landing
Pilot stands two ( 2 ) meters behind the outer helipad, helicopter takes off from central helipad, climbs vertically to eye level and stops. While maintaining constant heading, speed and altitude, the helicopter flies a diagonal line foward to the left or right corner flag and stops. Then moves backward to the second corner flag, stops, moves forward diagonally to the opposite corner flag, stops, moves backward to the fourth corner flag, stops, moves diagonally forward to the central helipad, stops, and then descends vertically to the central helipad. Downgrading Guide:
Pilot stands on outer helipad, helicoper takes off from central helipad, climbs vertically to eye level and stops, rotates 90 degrees to the left, stops, and flies a right circle or rotates 90 degree to the right, stops, and flies a left circle. While maintaining constant altitude and speed, the helicopter flies the circle maintaining longitudinal axis in alignment with the flight path. The circle passes over the far two (2) corner flags and ends at the central helipad. The helicopter then rotates 90 degrees so that the nose is away from the pilot, stops, then descends vertically to the central helipad. Downgrading Guide:
The pilot stands at a chosen fixed location. The helicopter flies at eye level five (5) meters forward, straight and at a constant altitude, speed, and stops over the central helipad. The model climbs vertically for two (2) meters, stops, then rotates slowly 360 degrees to the left or right and stops. The model then descends vertically to eye level, stops, and flies five (5) meters straight forward at constant altitude. Downgrading Guide:
Helicopter flies straight and level for 20 meters, then climbs vertically with a smoothly rounded curve of 90 degrees. When the vertical climb stops, the helicopter turns 540 degrees about the yaw axis so that the nose points downward. While diving, the helicopter follows the same path as for the beginning of the maneuver. The maneuver should start and finish on the " midline. Downgrading Guide:
Helicopter flies straight and level for a minimum of 10 meters, then rolls slowly through one ( 1 ) complete revolution, to either direction. After the roll, the helicopter flies straight and level for a minimum of 10 meters on the same heading and altitude as at the start of the maneuver. The actual roll should have a minimum duration of three ( 3 ) seconds. Maneuver is positioned so that the helicopter is inverted as it crosses the " midline." Downgrading Guide:
Helicopter flies straight and level for a minimum of 10 meters, then performs a half loop maintaining the nose in the direction of flight. Then the helicopter performs a half roll in either direction and flies straight and level for 10 meters. The half loop should begin at the " midline." Downgrading Guide:
Helicopter flies straight and level for 10 meters, then performs a loop maintaining the nose in the direction of flight. At the end of the loop, the helicopter flies straight and level for 10 meters on the same heading and at the same altitude as at the start of the maneuver. The maneuver should be centered on the " midline." Downgrading guide:
At an altitude of no less than 20 meters and on a heading parallel to the flight line. The engine is stopped and the helicopter performs an autorotation with a smooth constant rate of descent directly to the central helipad. The maneuver must be entered from foward flight. Descent path and orientation of the helicopter must be parallel to the flight line to include landing and final stopped position. Downgrading Guide:
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