Since I built my Tim 6 using the Modelelectric coil with 5 1800 mah nimh cells feeding it, I have flown it somewhere close to 40 times , probably averaging 15 minutes a flight and have had zero problems with it. I built and had mine flying before I came across these threads saying that others have had problems with the coils. I will keep flying mine as much as I can, and as often as I can, just to see how it lasts. I built a couple more and have bench ran them with various conversions, but have yet to fly them. I do have several CH ignitions and a homebrew CD ignition that I also play with on larger engines.

Charlie W5RA