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Engine wiring anchor points

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jconnell(at)rconnect.com
Guest

Posted: Thu Apr 26, 2007 10:53 am Post subject: Engine wiring anchor points

Guys,

  

 I'm in the process of routing wires to the starter,  alternator, CHT, and EGT probes.

 Is anyone using the induction tubes from the sump for a clamp  and standoff for the

 wires?  Also, how about using the sump-to-crankcase  attach bolts for cable clamp

 attachments?

  

 Thanks...

  

 Joe Connell

 RV-9A and O-320

   [quote][b]

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Dale Ensing

Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC

Posted: Thu Apr 26, 2007 11:46 am Post subject: Engine wiring anchor points

I fabricated a clamp arrangement on the induction  tube for the alternator wire.

 I found a large rubber sleeve about 2 in long;  about a 1/4 in wall thickness and with stainless steel clamps at Home Depot. The  rubber sleeve was slit open from end to end and then trimmed so that the  new ID fit the OD of the induction tube. A hole was drilled in a SS screw clamp  to allow for a pan head screw that would become the mounting screw for a  cushioned clamp which holds the alt. wire. The SS screw clamp is  around the rubber sleeve on the induction tube. Now have 150 hours and it has  worked well.

  

 Note: The CHT and EGT wires need to be at least 2  inches from any high current wires. The voltage in these wire is so small that  the magnetic field around the high current wire, such as the alternator wire,   will produce very erratic readings.

  Dale Ensing

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Dale Ensing
RV-6A
Aero Plantation
Weddington NC

Mark Phillips in TN

Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN

Posted: Thu Apr 26, 2007 5:59 pm Post subject: Engine wiring anchor points

In a message dated 4/26/2007 1:54:25 PM Central Daylight Time, jconnell(at)rconnect.com writes:

  	  Quote: 	
		   Is anyone using the induction tubes from the sump for a clamp and standoff for the

 wires?  Also, how about using the sump-to-crankcase attach bolts for cable clamp

 attachments?

	


 I used the induction tubes on my plane for attaching CHT/EGT cables- large black ty-rap around the rubber tube-to-sump hose with a small ty-rap between it and the cables with no signs of degradation or loosening- I "believe" the black ones are preferable in the engine environment to the natural nylon.  They are touted as "weatherable" and "weather" this means UV resistant or what, I'm not sure, but they have worked well for me.  It is standard practice to use sump bolts as attach points for adel (cushion) clamps...

  

 Mark RV-6A "Mojo" 400+ hrs...



See what's free at AOL.com. 

  [quote][b]

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From The PossumWorks...

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