FANDOM


Helicopter Duration
Abbreviation HD
Event Type Duration
Pink Book Rule 32
Weighting Factor
1/8A
1/4A
1/2A
A
B
C
D
E
F
G
21
20
19
20
21
22
23
24
26
27
Flight Attempts Allowed 2
10.4 Applicable? Yes
Pink Book Rule #32


Helicopter Duration Competition comprises nine events open to any single-staged model rocket that uses the principle of autorotation as the sole means of recovery. The purpose of this competition is to achieve the longest flight duration using an autorotating recovery system.[1]

ReferencesEdit

  1. "2007 Pink Book." National Association of Rocketry. 05 Oct 2007. National Association of Rocketry. 2 Dec 2007 <http://www.nar.org/pinkbook>.

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