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From: Jerry Hey <jerryhey@earthlink.net>
Subject: Re: [FlyRotary] Re: Crank trigger
Date: Tue, 31 Jul 2007 19:23:38 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Yes, that is what I have in mind.  I had no intention of only firing  
one plug.   I did not mention a timing split either????      :) Jerry


On Jul 31, 2007, at 6:59 PM, wrjjrs@aol.com wrote:

> Jerry,
> You really need to fire both plugs! You don't need a timing split  
> to get best power. A timing split will help fuel efficiency.
> Bill Jepson
>
>
> -----Original Message-----
> From: Jerry Hey <jerryhey@earthlink.net>
> To: Rotary motors in aircraft <flyrotary@lancaironline.net>
> Sent: Tue, 31 Jul 2007 10:30 am
> Subject: [FlyRotary] Re: Crank trigger
>
>
> Thanks Lynn,  I think I will do it this way.  Re the single rotor,  
> is it possible to use two coils (not at the same time of course)   
> each one firing both plugs, to provide redundancy?  The switch on  
> the panel would be one or the other or off.  Jerry
>
>
>
>
>
>
> On Jul 29, 2007, at 9:00 PM, Lehanover@aol.com wrote:
>
>
>
> Here is the picture of the crank trigger for rotaries. The degree  
> wheel on the front of this makes timing a real treat. The wheel can  
> be oriented so that the stock pointer is pointing at 26 degrees (or  
> whatever you want the timing to be) when the reluctor is in front  
> of the pickup for number one housing. This pickup would be on the  
> plug side of the engine. The pickup for the number two housing will  
> be mounted on the exhaust side.
>
>
>
> Both leading and trailing plugs will fire at the same time. No  
> distribution of the trailing plugs is required.
>
>
>
> No split between leading and trailing is required.
>
>
>
> You can use two coils per housing as drawn, or use a double ended  
> coil from a motor cycle. If using MSDs,
>
> use one of their coils.
>
>
>
> Timing accuracy is astounding. A timing light looks like a flash  
> light shining on a stopped engine.
>
>
>
> Chrysler amplifiers are about $20.00 each. Two required. Chrysler  
> (Dodge Plymouth and others) pickups (from the distributor) are  
> about $5.00 each. Two required Easy hookup. Short wires, Mount the  
> coils beside the plugs. Amplifiers (or MSDs) can be mounted  
> remotely. Wiring diagrams in a Motors Manual at the library.
>
>
>
> Lynn E. Hanover
>
>
>
>
> ------------------------------------------------------------
> Get a sneak peek of the all-new AOL.com.
> <Crank triggerA_896x578.jpg>
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