Merlin Glow Plugs had drop-in style glow plugs for Cox and Norvel 1/2A engines at their booth at the Toledo show. Here's a short video of some comparison tests I performed on these plugs.
http://www.youtube.com/watch?v=sNM87VJH68k
Contact Merlin through their websit at:
http://www.merlinglowplugs.com
Fred
http://www.youtube.com/watch?v=sNM87VJH68k
Contact Merlin through their websit at:
http://www.merlinglowplugs.com
Fred
Too many airplanes - too little time