Mailing List flyrotary@lancaironline.net Message #63853
From: Neil Unger 12348ung@gmail.com <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Simple bullet proof Ignition systems?
Date: Wed, 24 Jan 2018 17:28:21 +1100
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Will, To  date SAS did not supply a system for the rotary, but that is currently changing!  He will soon supply a rotary system, ask Ross.  Neil.


On 1/24/2018 7:24 AM, william Aldridge willja67@hotmail.com wrote:
Looked over his site this morning and if i read It right there was only a fuel injection controller/ system,  no ignition control. Out was here: http://www.sdsefi.com/prices.html

If I'm reading that chart at the top of the page right he doesn't supply ignition systems for the rotary. 



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-------- Original message --------
Date: 1/23/18 12:14 PM (GMT-07:00)
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Simple bullet proof Ignition systems?

Guys, I don't know if he is still offering it but SDSEFI (Simple Digital Systems, www.SDSEFI.com) has both an ignition only system and a full engine management system that will work for a 13B. His system doesn't have split firing, but most people running a high performance rotary do both plugs at once anyway. He has a newer dual in one box system, FOR AIRCRAFT that could be run simultaneously to do a split fire and be fully redundant.
Bill Jepson 
 

On Tue, Jan 23, 2018 at 6:08 AM, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
Maybe someone out there has a RWS original ignition controller they want to let go of. No programming required, uses 13-B standard pickup and ignition coils. Of course you'll have to use carburetor(s).

I have one, but really don't want to let go if it. Its simplicity is nice if just want to get 13-B running. (All you have to do is set timing and tune carburetors.)

Finn

On 1/22/2018 11:31 PM, william Aldridge willja67@hotmail.com wrote:
 I'm building a one off experimental, therefore, i need a simple bullet proof Ignition system and am wondering what is currently available?  I have the 2007 version of Tracy's conversion manual in which he gives the option of either using the stock distributor etc, or use a computerized ignition system with stock or Chevy ls coils. 

To reiterate, since the airframe is unproven i only want to be worried about flying the plane not the engine. It's a small plane the size that would normally have 100hp installed (1200 lbs gross) so if I only have 150 hp I'll still be doing good. In other words I'm willing to sacrifice a little power for a lot of reliability and simplicity. 

I don't like the idea of the stock distributor, since there isn't much room in the cowl and there's no redundancy. I also don't like the idea of electronic ignition. I've read enough stories of lengthy battles to get the computers to play nice with the engine and don't want to go that route. Again simplicity and reliability at the expense of power and fuel efficiency is what I'm after. Also planning on using a carb for the same reason. I can always upgrade the engine later if i want. 

I figure there has to have been some other options come up in the last 10 years. I used to subscribe to the other guys list, but don't know if any of the ideas he put forth have merit. 

Thanks, 
Will Aldridge 




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