It all depends one whether you have impulse couplings on both mags or just one. Many engines came from factory with just one impulse. Even later model Lycomings, used in Cherokee series, had impulse only on the left mag, and the POH recommended starting on left mag, then immediately switching to both once the engine started. Find out what system you've got, and be guided by a good mechanic's advice. Jerry Eichenberger Columbus, Ohio N2906H
>>> Jack Gocha <[EMAIL PROTECTED]> 06/17/98 12:24PM >>> At 07:37 PM 6/16/98 -0000, Charles McKinnie wrote: >I have Bendix mags on my Forney. I start on BOTH (hot or cold), so far with >no difficulty. ************************************************************************* Coupers I think the reason we used to start using the left mag was that the left mag was an impulse mag that made hand propping easier because the mag would wind up and then snap over at a faster speed, similar to when an electric starter is used. My Coupe has left and right impulse mags. However impulse mags are not as necessary with electric starters. When using electric starters both mags should be switched on for starting and running and only switched to one mag at a time for the pre flight mag check. I know this from my days flying my "hand prop" Aeronca Champ which only had an impulse mag on the left and that is the one I switched to for hand propping. Hope this helps. Jack G.(U42)Utah N103JF, SN:745 ! !
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