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Date: Thu, 21 Sep 2006 17:33:57 -0400
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: It runs!
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Bob Darrah wrote:
> 20B It still runs, but not good.  Thanks for all your suggestions.  
> New gas with exactly measured oil made no difference.
>
> However, I put the timing light on each of the plug leads and was 
> really confused at what I saw.
>     #1, both lead and trail, 35 degrees before TDC  So good so far.
>     #2,   "        "      "      "    mostly 35 degrees Btdc, and an 
> ocasanal 120 off from that
>     # 3                                 A lot of 240 degrees (about 
> where it should be) and a lot at 35 Btdc.
>
> After looking at that, I am surprised it runs at all.  And Tracy won't 
> be back till next week.  I am hopeing  that the extra length of my 
> embilical cord from the firewall to engine (Seawind) accounts for all 
> of that, but I have a hard time convincing myself that is so.
>
>
> Any other good ideas?????

You said there was a long run of wires.  Are the tied closely together?  
Could you have crosstalk causing the extra firing?  Would it be 
difficult to "fluff" the bundle and try it again?