Dual Egg Lofting Duration rules

« Duration Events

35.1 Scope

Dual Egg Lofting Duration Competition comprises five events open to single stage model rockets that carry as a totally enclosed payload, two raw USDA Large hen’s eggs each with a mass of no less than 57 grams and no more than 63 grams; and measuring no more than 45 millimeters in diameter.

35.2 Eggs

The Safety Check Officer or other official shall provide two eggs to each contestant presenting his/her entry for pre-launch safety check. Both eggs shall be numbered, and those numbers shall be recorded on the contestant’s flight card.

35.3 Return

Following the flight, the contestant shall present his/her entry as recovered and, in the presence of an official, shall remove both eggs. The official shall determine the extent of damage to the eggs. If the official cannot examine the eggs, the entry will be disqualified. If the contestant removes the eggs in the absence of officials, or breaks the eggs in the process of removing them from the model, the entry will be disqualified. If the shell of either egg is broken or cracked, the entry shall be disqualified. Rule 10.4 does not apply. All entries must comply with Rule 16.7 (no catching of models is allowed for official flights).

35.4 Classes

This competition is divided into five classes based on the permissible total impulse of the motor(s). The following classes of Dual Egg Lofting Duration Competition are established.

Motor Class Weighting Factor
C 28
D 27
E 27
F 28
G 29

35.5 Scoring

Dual Egg Lofting shall be scored as follows: The contestant whose model achieves the longest duration on a single flight is the winner.