Hi Scott,

My experience has been that resistors which fail - do fail open, so they
test as - no continuity.

However, a continuity checker may not be the best way to ascertain the state
of the resistor.  The reason is some continuity testers are meant to test
for a path of low resistance - like a wire- and beep.  If they encounter
over a few dozen ohms resistance - you get no beep or LED lit.  That could
lead you to the impression the resistor was no good, when it actually was.

An ohm meter (volt ohm meter) is the best way to test for continuity in a
resistor - besides; it will indicate the resistance value of the resistor
enabling you to ensure you've got the right one.  Some times trying to read
the resistance code on a resistor (if there is on) can get confusing.

Ed

Ed Anderson

Rv-6A N494BW Rotary Powered

Matthews, NC

eanderson@carolina.rr.com

http://www.andersonee.com

http://www.dmack.net/mazda/index.html

http://www.flyrotary.com/

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.rotaryaviation.com/Rotorhead%20Truth.htm


-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Scott
Sent: Wednesday, July 01, 2009 8:20 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Locating injector resistor


That's great info Ed!  

When a resistor fails no electricity will be flowing so a simple continuity
test across the resistor will show if it has failed, correct?





      

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