you can use it for both gas and elec. / very good propeller i also fly my dogfighter with this ... makes good sound and very good speed !!!
Replaced a 9x7 slowflyer prop on my Alfa P-47 with this 9x8. Plane was much faster! Using Turnigy Plush 18A ESC, 1500mAh 3s Li-Po, and GP Rimfire 28-30-750 pulled 13.5 amps. Just be careful using this on an electric, belly-landing plane as the prop is not flexible and could bend a motor shaft.