Received-SPF: none
 receiver=logan.com; client-ip=211.29.132.192; envelope-from=lendich@optusnet.com.au
Message-ID: <001601c7af94$d4bee790$8948693a@george>
From: "George Lendich" <lendich@optusnet.com.au>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2104346@logan.com>
Subject: Re: [FlyRotary] I've been prayed out of Rotary Purgatory
Date: Sat, 16 Jun 2007 07:33:34 +1000
MIME-Version: 1.0
Content-Type: text/plain;
	format=flowed;
	charset="iso-8859-1";
	reply-type=response
Content-Transfer-Encoding: 7bit

Ernest,
I can't remember what the Mazda RX8 timing wheel looks like - might it do 
the job? I've been looking for mine, I have put it away and now can't find 
it. Failing that you might get one laser cut.
George (down under)

> I'm quickly approaching the point where all the major airframe systems are 
> done, and the major systems left to build are getting smaller.  I've got 
> to make one more wing skin, and then I won't have any more major layups 
> except for the engine cowling, so yesterday I ordered a Megasquirt engine 
> controller.  I'll work on getting it built while I finish the electrical, 
> panel and canopy installations.
>
> I'm investigating using two Ford EDIS ignition controllers.  They will 
> work without computer input, set for 10 degrees of advance.  It just needs 
> a power source and input from a vr sensor.   In normal operation, the 
> computer sends a correction signal that the controller uses to change the 
> spark advance.  One EDIS would be set to control the leading plugs with a 
> wasted spark, and the second would control the trailing.  It promises to 
> be a very robust setup with multiple redundancies.
>
> I still need a toothed wheel for the vr sensor.  The EDIS system requires 
> a 36-1 wheel (36 teeth with 1 missing).  I'm thinking that one of the old 
> bicycles that my boys never use may end up missing a chain sprocket.  (As 
> a nod to the original homebuilders, I think every homebuilt airplane 
> should include at least one bicycle part.)
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub: 
> http://mail.lancaironline.net:81/lists/flyrotary/List.html