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CLASS F2D - JUDGES GUIDE
Purpose of this Guide
Processing (before the contest)
Rule 4.4.3. Combat Site Rule Book
If the centre (pilot) circle is laid out on other material other than grass, it is recommended that this material have a maximum radius of 4 metres although the pilot (centre) circle must be marked with a radius of 2 metres.
Circles are best marked using white paint or chalk but plastic strip can be used except for the pilots' circle. If plastic strip is used, the organiser must make sure it is laid out and fastened in such a way that it will not cause a trip hazard to pilots or mechanics.
Contestants not directly involved in the organisation or flying in a heat should always be requested to withdraw behind the safety fences or outside the contest area. Spectators and others not involved in the Combat Contest must at all times stay behind the safety fences or at the designated places.
The organisers should provide special safety fences for the Scorers/Time Keepers. Judges and Team Managers should also use this safety measure as intended when flying is in progress.
The safety strap and shut-offs must be used during practice flights.
When the pilot is outside the centre circle for reasons other than picking up the handle or waiting for
his model to be serviced, all rules that apply to mechanic(s) also apply to the pilot.
f) There must always be a safety wire connection between the engines and the lines. Info
h) No sharp edges, abrasive or sticky areas that might assist the cutting of the streamers are allowed on the model.
k) When referring to the engine shut-off (engine stop) device this covers both the anti fly-away device (shut-off) and the system used to stop the engine at the pilots will.
e) When pull testing the safety wire it is recommended to ask the competitor (owner of the model)in which direction to pull.
All parts of the opponent's streamer/string should be cleared from the pilot's own streamer/string before re-launching
No matter that the competitor uses a metal ring or not to attach the streamer to the model, the string should have a single loop and one knot.
h, i) At take-off and before the signal to start combat the models should fly level in an anti-clockwise direction. The competitors are not allowed to do any loops or other manoeuvres unless asked to do so by the Circle Marshal in order to separate the models. Take-off should take place in level flight forward, not upwards or backwards. Any contravention of these rules will result in a disqualification.
k) In conditions of heavy wind, a grounded model which does not have a running engine may be moved to a safer launching position under supervision by the Judges. While doing this, the mechanics are not allowed to carry the model aircraft and lines over an opponent's grounded model aircraft and/or pitting crew. Parts of a crashed model aircraft are not considered a grounded model aircraft. It is a crashing/landing team's responsibility to maintain a safe distance. If two teams crash/land close to each other it is the rearmost team's responsibility to move backwards unless they are blocked by the other team's second model. This will be supervised by the Judges and they will advise the teams if any unclear situation occurs.
l) The mechanic(s)/pilot may move around within their pitting area. A team's pitting area is considered to be the place where they have one or both of the models and a distance of approximately 2 metres on each side of the model(s). To assist in untangling lines, mechanics/pilots may be allowed to move around inside the flight circle.
n) The pilot will receive a yellow card if he uses a rough or unsafe flying style, causes a line tangle or if he shows unsportsmanlike behaviour. The Judges/Circle Marshal shall not hesitate to give a yellow card to keep the level of combat on an acceptable and fair level. A yellow card can be given during the heat or after the heat when the Judges/Circle Marshals have had a chance to confer about situations during the heat. The first yellow card is a 40 point penalty while the second and/or third yellow card is a disqualification from the heat. If the first yellow card incident is considered severe, the pilot shall also be disqualified for the offence.
o) The scorers must be observant and aware that the heat can be stopped.
p) If he chooses to bring the model back closer to the pitting circle, the model and remaining lines should be left at least three metres outside the pitting circle. If the model lands in the pitting circle, or close to it, the model and remaining lines must be collected and kept within the pitting area. The purpose of this is to make sure that there is a clear path for mechanics when running between pitting positions.
The landings shall be supervised and directed by the Circle Marshal to avoid dangerous situations
The scorers' times should be rounded down to the nearest whole second and then added
together. The added result should be divided by the number of scorers, and then rounded down
to the nearest whole second. This result should be the competitor's official time in the heat. If
any scorer's time shows a significant deviation from the average, it should be excluded (but still
noted on the score sheet). If a fly-away occurs the scorers should stop the watches when the
model lands. It is then the Judges' responsibility to measure and deduct the number of seconds
that occurred between the fly-away and the landing. The same should be done if the pilot is
asked to land due to streamer or silencer problems/replacement ie the scorers stop their
watches when the model lands and the Judges deduct the measured time from the point of
decision until the landing.
The Circle Marshal can also grant a reflight if there is a line tangle where both models are
grounded and he considers the tangle impossible to clear. Before a re-flight is called, both
pilots should be asked if they would agree to continue the match without clearing the tangle.
In order to reach a grounded model the mechanics are not allowed to cut across the flying or
pitting circle (see sketch). If a model has crashed close to the centre circle, it is especially
important that the mechanic(s) are observant regarding the point at which to enter the circle.
c) Be observant that all line tangles must be cleared before the model is serviced or the streamer is moved to the spare model. (Except for the case where both pilots have the permission of the Circle Marshal to continue). This rule is also valid if the model is outside the flight circle, for example because of a fly-away. When a model is withdrawn from the flight circle it must be placed within the pitting area. It must remain outside the flight circle and inside the pitting area otherwise the pilot will receive a penalty of 40 points. A fly-away model may be left where it has landed but lines crossing the pitting area must be cleared so as not to cause interference with the opponent.
This rule only applies when his opponent is still flying. However, when both models are
grounded both pilots must be observant of their opponent thereby avoiding unsafe situations.
c) For safety reasons, it is not allowed to attach tools, weights etc to a crashed model to compensate for a lost outer wing.
f) If lines or handles are dragged into the centre circle by accident, the Circle Marshal should order the pilots to cease combat and fly level until the circle is cleared and it is safe to continue.
h) It is the responsibility of each competitor, and his Team Manager, to be aware of when his flight is scheduled.
m) Crossed lines which do not interfere with the course of the heat are not a problem and is no reason for disqualification. If the spare model aircraft is needed to take-off and it is prohibited by the crossed lines of the opponent then another situation is created and rule 4.4.12.C.u is applied: Interference with his opponent's equipment.
o) When a pilot without a streamer chooses to fly level and combat still is going on, and his opponent flies in such a way to cause a crash or collision the opponent will be disqualified.
For example, any tampering with the streamer in any way, shape or form can result in a
disqualification. This rule can also be used to disqualify a competitor for any other breach of the
rules that is not covered in a separate paragraph.
A junior fly-off follows the rules in 4.4.14.h.
All scorers should count cuts as well as record airtime for the competitor. Every scorer should
have a notepad where he can make records of the number of cuts as well as the air time (after
the heat). A good way is to divide the six scorers into three pairs and spread them around the
circle. Each pair will consist of a scorer for each pilot and they should be instructed to talk to
each other during the scoring. If, after the heat, the scorers have a different cut count they must
confer and try to come to a decision. They may also ask the Judges for advice.