Mailing List flyrotary@lancaironline.net Message #50626
From: Dennis Haverlah <clouduster@austin.rr.com>
Subject: Re: [FlyRotary] Re: renesis/rx-7 spark plugs?
Date: Sat, 27 Mar 2010 21:17:33 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Kevin,

I used the RX-8 plugs that were in my engine when I bought it for the first 200 hrs of flight.  They has 9400 miles of highway driving on them first!
I changed them last week and could not tell any difference.  They are the iridium plugs.

On another subject - while flying Friday, I turned the cold start switch on and the engine quit - I adjusted the mixture knob all the way lean and it would not run.  I than decided to turn the cold start off! I'll install a switch guard on it soon.

Dennis Haverlah

Tracy Crook wrote:
The Renesis IS a 13B, just the latest version.

RX-7 plugs will work fine in it.  The RX-8 plugs are Iridium and they do last longer but are not a necessity.  Mine have passed the 300 hour mark and are working fine (with very little 100LL).

Tracy

On Sat, Mar 27, 2010 at 9:10 PM, kevin lane <n3773@comcast.net> wrote:
my engine ran today, first time!  pretty rough, but I used the plugs that came with it.[they all seemed to spark]  my engine was built by Bruce, a 2004 renesis, but I'm not sure which plugs to use.  the rotor housings say "13B".  do renesis engines have that?  consequentially, I'm not sure whether I use renesis or rx-7 plugs, or if it really matters.  if someone has some plugs that will work and wants to sell them , let me know.  looks like these plugs run almost $25/each?
 
 
KevinLane Carpentry
www.KevinLaneCarpentry.com

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