What your old Tether Car, or plane should be running. https://www.adriansmodelaeroengines...LY0_nIsIbgQ5KNff4p_aem_bsYT1hvsa_XfKHweWTayrw Thanks to Wayne Short.
Lots of good, clearly written information here that applies to "traditional" automotive ignition systems as well as smaller "model" engines. Thanks for the link.