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Peterborough E20 (Ferry 500) - Provisional Rules

This is an electric free flight class flown on a fixed power system to provide a level playing field for small field competition.

  1. Models must have a maximum 20" projected wing span (not flat span) and a maximum 20" overall length including propeller.
  2. Any airframe design is permitted within the above limits.
  3. Models must fly with a specified motor, propeller and timer.
    For the 2018 competitions these will be:
        - GWS CN12 7.2V brushed can motor
        - 3x2" direct drive prop
        - Peterborough FET fixed motor run timer (as provided.)
  4. Battery must be a minimum of 2S 180mah Lipo.
  5. Motor run will be fixed at 8 seconds.
  6. Models must have a dethermalizer fitted.
  7. No minimum or maximum model weight.
  8. Competition comprises of three flights to a max decided on the day (up to 60 seconds.) A flight of less than 10 seconds will be considered an attempt.

For 2018 the motors and timers will be provided to PMFC members on proof of a viable model. The recommended battery is a Turnigy Nanotech 2S 180mah (25-40C)

Open E20 - Provisional Rules

This is electric free flight development class where experimenting with different power systems is encouraged.

  1. Models must have a maximum 20" projected wing span (not flat span) and a maximum 20" overall length including propeller.
  2. Any airframe design is permitted within the above limits.
  3. Any motor, propeller and timer is permitted.
  4. The flight battery must be sized so as to be capable of three motor runs.
  5. Motor run will be less than 8 seconds.
  6. Models must have a dethermalizer fitted.
  7. No minimum or maximum model weight.
  8. Competition comprises of three flights to a max decided on the day (up to 60 seconds.) A flight of less than 10 seconds will be considered an attempt.

'Peterborough E20' class models are eligible for the Open class. A single 'Peterborough' model may be flown in both competitions but the same flight score cannot be used in both. Competitor must designate beforehand which competition a flight is for.