| 12. |
Triathlon |
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12.1. |
General |
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The Triathlon is a contest in which a single model/engine combination is flown in three separate tasks.
The events are: |
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12.1.1. |
Stunt – flown to Vintage Stunt pattern |
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12.1.2. |
Rat Race – Similar to 2.5cc Simple Rat Race |
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12.1.3. |
Combat – Similar to 2.5cc Simple Combat |
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12.2. |
Circle Layout |
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The layout shall consist of 2 concentric circles which shall be marked out on grass. |
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12.2.1. |
The pitting circle: Radius 19.6 metres |
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12.2.2. |
The centre circle: Radius 3 metres |
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12.3. |
Characteristics of a Triathlon model |
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12.3.1. |
Maximum Engine capacity: 2.5 cc |
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12.3.2. |
Engine shall be an unmodified, non racing engine. The following engines are currently acceptable. |
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12.3.2.1. |
Plain Bearing: O.S, Enya, PAW, Thunder Tiger, Taipan, Webra and Silver Swallow. |
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12.3.2.2. |
Ball Race: Taipan BR diesel, PAW SBR, PAW TBR and Oliver Tiger. (Note: Ball Race engines must use a 200mm (8″) diameter or larger propeller. |
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12.3.3. |
A commercially available wood, nylon or glass reinforced nylon propeller must be used. (ie no Carbon or Glass Epoxy props eg Bolly, Supercool etc) |
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12.3.4. |
Model design is unrestricted but engines shall be uncowled and the model must be fitted with a fixed undercarriage for take-off and landing. |
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12.3.5. |
Fuel system shall be suction feed only. No crankcase pressure, bladders or pacifiers are permitted. |
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12.3.6. |
Fuel cut-outs are not permitted. |
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12.4. |
Control Systems |
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12.4.1. |
Line Length: The length of the control lines must be 15.92m +100 -0mm. The length is measured from the face of the grip on the control handle to the centre line of the model. |
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12.4.2. |
Control lines: two multi-strand control line wires of a minimum diameter of 0.3mm must be used. |
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12.4.3. |
Line test: A pull test of 20g shall be applied for 5 seconds to the model/line combination. |
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12.5. |
Number of Models |
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12.5.1. |
A contestant may enter and use only one model to complete the three tasks. |
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12.6. |
Conduct of Event |
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12.6.1. |
Aerobatics: The aerobatics task shall be flow and scored according to the vintage stunt pattern. |
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12.6.1.1. |
Starting and Take-off |
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12.6.1.2. |
Level Flight |
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12.6.1.3. |
Climb and Dive |
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12.6.1.4. |
Wingover |
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12.6.1.5. |
3 Inside Loops |
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12.6.1.6. |
Inverted flight (2 laps) |
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12.6.1.7. |
3 Outside Loops |
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12.6.1.8. |
2 Lazy Eights |
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12.6.1.9. |
Landing |
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12.6.2. |
Rat Race: Rat race shall consist of 1 heat of 5 minutes duration. |
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12.6.2.1. |
Whipping is not permitted except on take-off and landing. |
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12.6.2.2. |
The model must make 1 compulsory pitstop |
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12.6.2.3. |
4 up heats may be flown at the C.D’s discretion. |
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12.6.3. |
Combat: Combat shall consist of 1 bout only. |
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12.6.3.1. |
4 minutes duration with 1 minute preparation period prior to signal for launch. |
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12.6.3.2. |
100 Points scored for each cut. |
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12.6.3.3. |
1 Point for each second of airtime. |
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12.6.3.4. |
If during a bout, one model fails to leave the ground, the other models pilot may elect to accept his accumulated airtime, or request to re fly against the same competitor. The points gained in the re fly become the score for the bout. |
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12.6.3.5. |
In the event of an odd number of competitors, one competitor drawn randomly (from the competitors with models still able to fly) will be asked to fly again. The competitor so concerned will have the option of taking the score from either of his/her bouts. |
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12.7. |
Contest Scoring |
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12.7.1. |
For each segment (ie Stunt, Rat, Combat) points will be allocated as follows:
Where N=Number of Entries |
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1st Place |
= N Points |
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2nd Place |
= N-1 Points |
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3rd Place |
= N-2 Points |
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…….. |
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Nth Place |
= 1 Point |
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Notes: |
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12.7.1.1. |
A non-starter in any task receives 0 points. |
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12.7.1.2. |
Combat is divided into Wins/Losses before score is used to calculate points. eg Competitor with 200 points and a win, scores higher than competitor with 400 points and a loss. |
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12.8. |
Winner of Contest |
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12.8.1. |
The contest winner, is the competitor who has scored the highest aggregate points for all three tasks in the Triathlon. |
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12.8.2. |
Ties for 1st, 2nd or 3rd can be broken with a fly-off in the combat task at the discretion of the competitors concerned. |
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12.9. |
Safety |
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12.9.1. |
Rat Race |
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12.9.1.1. |
Mechanics must wear a safety helmet fitted with a chin strap worn under the chin. |
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12.9.1.2. |
Pitting segments must be used at all times. |
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12.9.1.3. |
Landing models shall clear the lines of models being pitted by at least 200mm. |
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12.9.1.4. |
Piloting style is “very relaxed”, however pilots should observe good race practice. |
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12.9.1.4.1. Walk in a forward direction only |
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12.9.1.4.2. Crouch when your model is being pitted |
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12.9.1.4.3. Remain inside the centre circle at all times. (One foot can be placed outside when the mechanic has retrieved the model) |
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12.9.1.4.4. Take-off smoothly, ie no wingovers on take-off. |
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12.9.1.4.5. Don’t obstruct other teams from flying/overtaking normally. |
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12.9.2. |
Combat |
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12.9.2.1. |
Mechanics must wear a safety helmet fitted with a chin strap worn under the chin. Pilots must wear a helmet if they leave the centre circle during the bout. |
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12.9.2.2. |
Models must be withdrawn outside the safety circle before servicing during the combat bout. |
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12.9.2.3. |
Mechanics must enter the circle radially to retrieve a model. ie running across the circle is not permitted. |
