SECTION  7 CONTROL LINE

​

7.1  CLASSES

​

The following classes and rules apply;

 

BMFA Rules:

​

British Goodyear

Mini-Goodyear

F2E Diesel Combat

Novice Aerobatics

 

RAFMAA Rules

 

Speed

Basic Aerobatics

 

7.2  GENERAL RULES 

​

Model specifications for BFMA classes are as defined in BMFA Contest Rules Sections 4 and 5.  All of the C/L events at RAFMAA competitions have been configured so that only 2 engines are required to enter all of the events: a 1.5cc plain bearing diesel and a 2.5cc ballrace or plain bearing .19ci diesel.

​

Safety Precautions.  The following safety rules will be strictly enforced at all events:

​

No model will be flown if, in the opinion of the CD, it is considered to be structurally unsound presenting a flight safety hazard.

​

Any competitor releasing the controls of the model whilst it is in motion will be disqualified.

 

7.3  BMFA RULE VARIATIONS FOR RAFMAA COMPETITIONS

 

Mini Goodyear.  The age limit is waived and the entrant may either pit or fly.  A fuel shut off is permitted and the tank size is not limited.  However, the requisite number of pit stops must be made during all races.

 

F2E Diesel Combat.  The event will be flown to F2E rules with the following variations:

 

                Engine size is restricted to 2.5cc ball race or .19 ci plain bearing diesel engines.

 

                A motor restraint wire is strongly advised but not compulsory.

 

7.4  RAFMAA RULES

 

Basic Aerobatics.  The contest will be flown over 3 rounds with the aggregate of the best 2 rounds plus the scores from the appearance and construction judging to count towards the final placing. The following rules apply:

 

Pull Test.  Before flight each model is to be subjected to a pull test (handle, lines and model) of 5 kgs (11 lbs) for 10 secs.

 

Attempts.  2 attempts are allowed for each round. An attempt must be called before completion of manoeuvre 4 (inside loop).

 

Sequence.  Manoeuvres are to be flown iaw current FAI F2B practise: horizontal and vertical eights must be performed with the inside loop first and as the right hand of the two loops; the vertical eight should be performed with the inside loop first and the lower of the two loops.

 

Time Limits.  The schedule must be completed within 10 mins from the first attempt to start the engine.  The model may be landed, refuelled and re-launched within the time allowance; only the first take off and last landing will attract scores.  Manoeuvres after the 10 min period will not score.

 

Undercarriage.  Take offs and Landings by a model not equipped with an undercarriage will only receive 50% of the available score( max 10 points for each takeoff and landing).

 

Separation Laps.  There is to be a minimum of 2 laps of level flight (non scoring) between groups of manoeuvres.

 

Schedule.  Manoeuvres are to be flown in sequential order to the following schedule:

 

Manoeuvre                              Score

 

Takeoff                                     20 (10 for hand launch)

2 Laps level flight                    20

Wingover                                 20(Not reverse wingover)

2 Inside loops                          20

2 Laps inverted flight              20

2 Outside loops                       20

2 Horizontal eights                  20

2 Overhead eights                  20

1 Square inside loop               20

Landing                                    20(10 without U/C)

 

7.5  SCORING GUIDE

 

Static.  Models will be scored for static points prior to the flying phase in accordance with the guide below:

 

Area                                        Score

Appearance                            50

Bonus for each year under    16

10 (per year)

 

Flying.  Judges may interpret between suggested marks:

 

Manoeuvre Appearance    Score

 

Unrecognisable                      0

Marginal                                  5

Good                                      10

Very Good                              15

Perfect                                    20

 

7.6 SPEED

 

General.  The speed event allows any model to participate is open to all types of C/L model. 

The following rules apply:

 

Distance.  The timed distance for the event is 10 laps for models using 13.5m lines. 

For lines of other lengths the CD will calculate the number of laps required.

 

Whipping.  Whipping is not allowed; for the duration of the timed laps the handle must be held on the chest.

 

No of Rounds.  The competition will be run over 3 rounds. Each competitor will count his/her best time for 1 round towards the final placing.

 

Attempts.  Each competitor will be allowed 2 attempts in each round.  An attempt must be called within 3 minutes of being given the instruction to start.

 

Specialist Speed Models. Specialist Speed models may enter subject to the following restrictions:

 

Engine size.  Only plain bearing 1.5cc diesel engines may be used.

 

Pull Test.  Models, lines and handle will be subject to a pull test of 20 times the weight of the model.

 

Fuel Cut-out.  A fuel cutout is advised but not compulsory