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Message-ID: <4D410398.1070705@gmail.com>
Date: Wed, 26 Jan 2011 23:33:12 -0600
From: Dave <david.staten@gmail.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Ignition systems
References: <list-4827821@logan.com>
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On 1/26/2011 11:01 PM, Dustin Lobner wrote:
> Hi Everyone,
>
> I was just wondering, what is available for ignition systems for a 
> Renesis?  I was hoping that there would be something like a magneto or 
> a P-mag that would still work if the electrical system failed.  I'm 
> thinking about using Rotec's TBI fuel injection system (mechanical 
> fuel injection) that can work gravity fed if need be.  Only thing I'd 
> need then would be a self-sustaining ignition system and things would 
> be looking good.
>
> Dustin
Let me understand.. you want to trade a solid state dang near bullet 
proof ignition system for something that has less energy and requires 
regular overhaul and servicing?

Unless you are installing in a high wing, gravity fed will be a 
non-starter (even as a back up).

You would be better served with a dual battery redundant electrical 
system. Some folks are even running permanent magnet generators. If you 
lose an alternator/charging source, you can shed dang near all your 
load, and have over an hour flying time to get on the ground..

Chris's plane has dual battery, independent busses, and dual 
alternators. That setup is less failure prone than a mechanical device 
that WILL require overhaul or replacement every 500 hours or so.

To answer your question, I dont know of ANYONE running mags on any auto 
conversion engines at all. Just lawnmowers and 
lycomings/continentals/franklins.

Dave