NSW Rocketry Association Inc.

NSWRA is a prefecture of Tripoli Rocketry Association

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NSWRA Competition Day

Date:   Saturday 28th July 2012
Location:   Doonside, NSW

There will be 4 different competitions held on the day. These include: Precision Altitude, Eggloft Duration, Glider Duration and Spot Landing. See below for competition rules.

$5 entry fee covers all competitions on the day.

NOTE: If the competition needs to be postponed due to bad weather, there will be an open day instead at Toongabbie East Primary School with a BBQ.


Precision Altitude Competition

Aim: Fly as close as possible to a randomly selected altitude.
  • Any rocket and any motor may be used, provided the rocket is capable of holding an altimeter.

  • Target altitude will be determined by random number generator, and will be between 300' & 400' - details to be sent to members after penultimate launch day.

  • Rocket's altitude to be measured by altimeter (any type).
  • Entrants are permitted to use their own altimeter, or borrow a club altimeter. ("AltimeterOne")
  • Altimeter must be zeroed (confirmed by judges) before loading into rocket.
  • Altimeters must not be removed from the rocket before being presented to the judges.
  •  Flight will not count if no, or conflicting, altitude data is obtained.
  • A $50 replacement fee applies if a club altimeter is lost or damaged.


Eggloft Duration Competition

Aim:  Fly a raw egg for the longest period of time without breaking it.
  • Motor up to "C"
  • Up to 3 launches per competitor
  • Raw egg weighing between 50g and 55g will be supplied
  • Timing starts with first movement on ignition
  • Timing stops when any part of the rocket touches the ground
  • Egg must be returned intact to judges after a flight
  • Lost/broken/cracked egg results in disqualification


Glider Duration Competition

Aim: Fly a glider for the longest period of time.
  • Glider is the substantial component of the launch assembly - "parasite" gliders not allowed
  • Glider must fly with no control from the ground or on-board technology
  • Duration is timed from first movement on ignition to when the first component of the glider touches down
  • If glider drifts out of sight, timing will stop at this point.
  • Any motor may be used.
  • Duration will be multiplied by a factor according to motor size, to determine final score: A = 4, B = 2, C = 1, D = 0.5


Spot Landing Competition

Aim: Land the rocket as close as possible to the designated target.
  • Motor is C and above
  • An Estes porta-pad will be available to enable minor adjustment of launch angle. Personal launch pads may be used, if approved by RSO.
  • Rocket must achieve a minimum altitude of 200' (no deliberate very low altitude launches allowed)
  • Recovery device must be deployed
  • Closest distance from the designated target to the tip of the nosecone wins


Procedure for competition day



  1. Pay $5 entry fee at judges' table

  2. Collect entry forms

  3. If competing in the egg-loft competition, collect an egg from judges' table

  4. Fill in entry form when your rocket is ready, but leave the "Pad" box empty at this stage

  5. If competing in the altitude competition, take your rocket to the judges' table to verify that the altimeter is zeroed. Judges will initial the entry form to show confirmation

  6. Place your rocket on the pad

  7. Record details in logbook, and record pad number on the entry form

  8. Take entry form to the judges' table


  9. Judges will sort the entry forms by pad number

  10. Judges will advise LCO when they are ready to time the flight (for duration events)

  11. Launch

  12. LCO shall not launch another rocket entered in a competition until a rocket being timed has touched down

  13. For duration events, judges confer and record the average time on the entry form. For the glider duration, the average time will be multiplied by a factor according to the motor size (A = 4, B = 2, C = 1, D = 0.5)

  14. For the spot landing event, a judge will go out to determine the rocket landing closest to the target. The rocket must not be touched until the judge has made the measurement. Otherwise, the rocket will be disqualified. Rockets must land within 50m of the target to qualify. If no rocket has landed in the designated area by the close of competition, a decision will be made at that time as to how to determine a winner

  15. Rockets in the egg-loft event must be taken to the judges' table immediately after recovery. The egg must only be removed from the rocket in the presence of a judge. The flight will be disqualified if the egg is lost/broken/cracked (so take care when removing the egg from the rocket!)

  16. Rockets in the altitude event must be taken to the judges' table immediately after recovery. Judges will record the altitude on the entry form. Entry forms not initialled by a judge prior to launch will not be considered.

  17. Forms completed by the judges will be placed in groups according to the competition event

  18. At the close of competition, judges will sort through the entries in each event and determine the winners

  19. A prize will be awarded to the winner in each event.

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