This might be useful. http://www.modelflight.com/ignition.html > > The engine I am using is a 1960's Merco (English) 0.29 cu. in. > two stroke. This is an R/C engine (i.e. with throttle) but I have fixed > the throttle at idle speed for testing. I think this may be a problem area > - do you think I should actually try to start with the throttle open and > the ignition retarded? Michiana R/C Choppers http://www.mrcc.info miked@mrcc.info -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu