At NARAM-56, we will hold I Waterloft, carrying and recovering 500 mL water bottles with I motors to the highest altitude possible. Flights are allowed all week from the Sport Range. We will have 2 divisions for all the HPR Fun events, senior and junior (anyone under 18 as of July 1st, 2013). NAR members that have their Junior L1 certification are welcome to compete as long as they follow the rules for Junior L1 fliers.
Waterloft is a provisional HPR Fun Event, the current rules are as follows. The other rules can be found in the HPR Sporting Code.
Note that the HPR Sporting Code & event rules do not set limits on number of flight attempts. So, feel free to fly both your safe model & your high-performance model.
Waterloft Rules (by Steve Lubliner)
TBD Water Loft Altitude Competition TBD.1 Scope Water loft altitude competition comprises one event with five impulse classes open. The purpose of this event is to achieve the highest altitude while carrying a specified liquid water payload. This event is open to single staged models only. Clustered motors are permitted. This competition is divided into classes based on the permissible total impulse of the motor(s). The following classes of Water loft Altitude Competition are established: Motor Class Total Impulse (Newton-seconds) Water Payload Volume H 160.01 to 320.00 500 milli-liters I 320.01 to 640.00 500 milli-liters J 640.01 to 1,280.00 1000 milli-liters K 1,280.01 to 2560.00 2000 milli-liters L 2560.01 to 5120.00 3000 milli-liters TBD.2 Variances The contest director, at his/her discretion, may stipulate minimum model dimensional characteristics that are intended to limit the maximum achievable altitude due to launch field restrictions. The contest director, at his/her discretion, may stipulate a water volume payload twice the established volume to limit the maximum achievable altitude due to launch field restrictions. TBD.3 Payloads Payloads shall contain the specified amount of water +/- 1.0%. No other payload liquid is permitted, e.g. carbonated water. Payload volume shall be verified after the flight. Payload containers may not be made of glass or metal. Payload containers do not have to be enclosed within the rocket airframe. Commercially available containers that have their tamperproof packaging intact, retain their commercial labeling, and have no indications of leakage, e.g. wetness, do not require post flight verification of their water volume. Multiple containers adding up to the required water volume are permitted. The payload(s) shall descend on deployed parachute(s) when within 300 feet of the ground. TBD.4 Returns All models require return to verify the payload condition and water volume (if required). TBD.5 Flight Data Flight altitude shall be recorded per Section 1.4 of this sporting code. TBD.6 Scoring The highest recorded AGL altitude is the winner. The RSO's decision on the validity of altitude reporting is final. The same RSO should examine all data files, if possible.