PT6 Ignition System
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Only ever worked on a PT6 once in my career, but seem to remember that either one plug was as you describe, a glow plug, or that one plug was continuous ignition. Either way, it was used during turbulance, or during landing to prevent flame put. Hope that this is of some help.
JFD
JFD
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Worked on -27s with both...it's just a mod..glow plugs originally but ignitors were modded in at some stage..either work fine. However only typically got 300/400 hrs out of the glow plugs.
Used to have two spares and a spanner (and the AMM procedure) sealed in a plastic bag in the cockpit...for the pilots to change if they got to a strip and couldn't get a start.
Used to have two spares and a spanner (and the AMM procedure) sealed in a plastic bag in the cockpit...for the pilots to change if they got to a strip and couldn't get a start.
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The B-99,1900 has dual "crackers" & i think the Fairchild had Garrett "Grenades" I remember as a young pup doing a compressor wash on a B-1900 i was sitting in the cockpit operating the starter & the inspector would hide under the a/c & snap the metal paper holder on a clipboard. It scared the hell out of me! The starter switch had 3 positions, off, starter only & start ign. Of course I had the s/w in starter only ,but he sure got me!