פלג חדש מבית OS למסוקים?

http://www.os-engines.co.jp/english/090203/

http://www3.towerhobbies.com/cgi-bin...?&I=LXWZB5&P=Z

FEATURES: Slightly hotter heat range than the O.S. #8 plug
Newly developed to focus on easier running at low and medium speeds
Ideal for helicopter engines with superior performance around
hovering RPM range-critical for smooth and powerful 3D and F3C
type flight
Also great all around plug for most 2-stroke airplane, helicopter and
car (except turbo head) engines


http://www.os-engines.co.jp/english/...s/plug7_01.gif