By Don Slusarczyk | don@slusarczyk.com
As seen in the May 2024 issue of Model Aviation.
SEVERAL WEEKS BEFORE the 2018 FAI F1D World Championships for Indoor Model Aircraft, the FAI Jury published its ruling regarding whether using a purchased variable-pitch (VP) propeller hub on a model was considered a violation of the FAI Builder of the Model (BOM) rule.
The 2018 Jury decision allowed the use of purchased VP hubs, but this ruling was never officially codified in the FAI rules. Since then, a rules proposal was submitted to the FAI about purchased VP hubs, as well as…
You've read your 3 free articles
Sign in with your AMA account for unlimited access, or join AMA to become a member.