Mailing List flyrotary@lancaironline.net Message #18144
From: Paul <sqpilot@bellsouth.net>
Subject: testing injectors
Date: Mon, 28 Feb 2005 20:22:53 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
I recall someone posting that you could test to see if an injector is firing by just attaching 12 volts + and - to the two pins of the injectors, and you should hear a click.  Is this a very subtle click, or fairly loud and easy to hear?  I have the peak and hold type injectors if that matters at all. (72 lb/hr).  I touched the two wires to the injector's pins, and I believe I was only hearing the faint spark caused by the wires making contact.  After about 5 seconds with the two wires still touching the pins, the injector got pretty hot. Sound terminal or normal? 
      I called Dave Atkins and he said to send the injector to him, and he would check it out. If need be, he has replacement injectors. Don't know the cost (don't really care, just want one). Sounded like he was in a hurry, so I didn't keep him on the phone. Thanks for any info you guys might have to offer regarding testing the injectors, etc.  Paul Conner
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