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A Schedule

Details of the 2010 Sportsmans A Schedule

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1. Vertical Rectangle  

The model takes off from the central helipad and ascends vertically to eye level and stops. The model then flies backwards maintaining a constant altitude, heading and speed to the downwind flag and stops. Then the model ascends vertically to a height of 4 metres above eye level (AEL) and stops. The model then flies forward to the upwind flag and stops. Then the model descends vertically to eye level and stops. Next the model flies backwards to centre circle and stops. Finally the model descends vertically and lands on the central helipad.

Downgrading Guide:

• Take-off
• Horizontal lines
• Vertical lines
• Stops (minimum 2 seconds) x 6
• Landing
• Constant altitude
• Constant heading
• Constant speed
• Positioning

2. Vertical Circle

The model takes off from the central helipad and ascends vertically to eye level and stops. The model then flies backwards while rising in a continuous radius to the downwind halfway line, which then translates into forward flight still in a continuous radius to a height of 5 metres above eye level over the helipad. The model then descends in the second half of the circle to the upwind halfway line. Next the model arrives at eye level over the centre circle and stops. Finally the model descends vertically and lands on the central helipad.

Downgrading Guide:

• Take-off
• Circle not round (ie. radius of 2.5m / diameter of 5m)
• Stops (minimum 2 seconds) x 2
• Landing
• Constant altitude
• Constant heading

• Constant speed
• Positioning

3. Vertical Triangle with 360° Pirouette

 The model takes off from the central helipad and ascends vertically to eye level and stops. The model then flies backwards maintaining a constant altitude, heading and speed to the downwind flag and stops. The model then ascends diagonally at a 45° angle to a height of 5 metres above eye level, directly over the helipad and stops. The model then performs a 360° pirouette in either direction and stops. The model then descends at a 45°angle to the upwind flag and stops at eye level. Next the model flies backwards to centre circle and stops. Finally the model descends vertically and lands on the central helipad.

Downgrading Guide:

• Take-off
• Horizontal lines
• Ascent and / or descent was not at 45°
• Stops (minimum 2 seconds) x 6
• Pirouette did not maintain lateral position
• Landing
• Constant altitude
• Constant heading
• Constant speed
• Positioning

4. Loop

The model flies straight and level upwind for 10m and performs an inside loop maintaining the nose in the direction of flight. The model exits the loop and flies straight and level for 10m at the same altitude as the start of the manoeuvre. The manoeuvre should be centred on the midline.

Downgrading Guide:

• Entry line
• Loop does not have a constant radius
• Loop is not in a vertical plane
• Exit line
• Positioning

5. Roll

The model flies straight and level downwind for a minimum of 10m, rolls through one complete 360° revolution maintaining the nose in the same direction, flies straight and level for the same duration and at the same altitude as the entry. Manoeuvre is centred with the model inverted at the midline and the roll portion of the manoeurvre should have a duration of 3 seconds minimum.

Downgrading Guide:

• Entry line
• Less than 3 seconds
• Changes in altitude
• Changes in heading Roll-rate is more or less than 360°
• Roll-rate is not constant Positioning

6. Immelman  

The model flies straight and level upwind for a minimum of 10m and then performs a half loop. On reaching the top of the loop a half roll in either direction is performed to bring the model from inverted flight to upright flight. Straight and level flight is again resumed for a minimum of 10m. The half loop must begin and end on the mid-line.

Downgrading Guide:

• Entry line
• Half-loop is not constant radius
• Half-loop is not in vertical plane
• Half-roll is not 180°
• Half-roll changes heading
• Half-roll changes altitude
• Positioning

7. Pushover

The model flies straight and level upwind for a minimum of 10m and then enters a 90° vertical ascent. When the model comes to a stop, the nose is pushed forward 90°to a level and upright position and stops for a minimum of 2 seconds. The nose of the model is then pushed over 90° (again) to vertical position (nose-down) followed by vertical descent and 90° pullout back to the same altitude and heading as the start of the manoeuvre. The manoeuvre is completed by flying straight and level for a minimum of 10m.

Downgrading Guide:

• Vertical segments are not parallel
• Model drifted toward or away from judges
• Pushovers are not 90°

8. 540° Stall Turn

The model flies straight and level downwind for a minimum of 10m then transitions to a vertical ascent at 90°. After the model comes to a stop, the model executes a 540°pirouette in either direction so that the nose points downwards. Descend vertically and execute a 90° pullout back to the same altitude and opposite heading as at beginning of the manoeuvre.

Downgrade Guide:

• Vertical segments are not parallel
• Model drifted toward or away from judges
• Pirouette was not exactly 540°

9. Split ‘S’

The model flies straight and level downwind for a minimum of 10m and then performs a half roll so that model is inverted. The model then flies straight and level inverted until it reaches the mid-line whereupon the model performs a half loop exiting straight and level again on the mid-line. The manoeuvre ends after a minimum of 10m straight and level flight.

Downgrade Guide:

• Entry line
• Half-roll is not 180°
• Half-roll changes heading
• Half-roll changes altitude
• Half-loop is not constant radius
• Half-loop is not in vertical plane
• Positioning

10. Landing Options

1. Powered Landing (max. 8 out of 10)

At an altitude of no less than 10m and on a heading parallel to the flightline, the model begins a constant rate descent at 45° (under the power of the engine) to a landing on the central helipad.

Downgrade Guide:

• Descent is not smooth or at a constant angle
• Landing is not on the central helipad
• Heading is not constant or parallel to the flightline
• Model hovers more than briefly prior to landing
• Landing is rough

2. Straight line Autorotation (max.10 out of10)

At an altitude of no less than 10m and on a heading parallel to the flightline, with the engine at its idling state or off, the model begins a constant rate & constant angle descent (not necessarily 45°) to a landing on the central helipad.

Downgrade Guide:

• Descent is not smooth or at a constant angle
• Landing is not on the central helipad
• Heading is not constant or parallel to the flightline
• Model hovers more than briefly prior to landing
• Landing is rough

NOTE: If the engine is used to land the model once an autorotation has been called, then a score of zero will be awarded.

3. 180° Autorotation (max.10 out of 10)

Model flies at a minimum altitude of 20m with a speed that is less than required for stationary flight. (Note: the engine does not have to be cut at Sportsmans level). As the engine crosses the midline, the model begins a 180° turn to land on the central helipad. Manoeuvre begins on the midline.

Downgrade guide:

• Turn is not 180°
• Model did not maintain a constant rate of descent during 180° turn
• Turn is not at constant rate
• Model lands with forward speed
• Flightpath was stretched to reach helipad
• Model lands roughly
• Final position is not parallel to the flightline.

SCORING CRITERIA FOR LANDING MANOEUVRES:

A. Landing gear inside 1m circle = maximum 10 points

B. Rotor shaft points to inside of 1m circle (ie. skids touching 1m line) = maximum 9 pts

C. Landing gear inside 3m circle = maximum 8 points

D. Rotorshaft points to inside of 3m circle (ie. skids touching 3m line) = maximum 7 pts

E. Rotorshaft points to outside of 3m circle (ie. skids touching or outside of 3m line) = maximum 6 points

NOTE: the powered landing option has a maximum of 8 points so each of the above maximum points will be less 2.