The document describes the construction of an airglow propeller using carbon fiber materials. It has a 3/4" outer diameter carbon fiber tube that is 200mm long and extends 100mm into the blade. The propeller uses a 1/4" balsa sphere web with carbon fiber spar flanges that are 12mm x 1mm tapering to 12mm x 0.125mm. The skin is made of an 80gsm carbon fiber / 2mm Rohacell 50 / 80gsm carbon fiber molded sandwich construction.

1. Airglow Propeller Construction
3/4" O.D. CF tube 200mm long, extends 100mm into the blade
1/4" Balsa shere web
CFRP spar flanges 12mm x 1mm tapering to 12mm x 0.125mm
80gsm CF / 2mm Rohacell 50 / 80gsm CF moulded sandwich skin