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Date: Fri, 22 Apr 2011 12:23:52 -0400
From: Ernest Christley <echristley@att.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Mistral 'Like' Intake
References: <list-4954356@logan.com>
In-Reply-To: <list-4954356@logan.com>
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On 04/22/2011 12:01 PM, Kelly Troyer wrote:
> Jarrett,
>     The main problem (from my eyeball engineering) will be integrating 
> the Renesis (or other) water-pump into a simplified
> "Mistral" hsg without any interference with the Lycoming mount ring 
> and "Dyna-focal" engine mounts..........The only part of
> the "Renesis" hsg that has to be duplicated is the water-pump hsg 
> portion (see photo) and provisions made for locating
> the "Renesis" ignition sensor in the same relative position on a 
> redesigned "Mistral" hsg..............Much of the "Mistral"
> open front can be eliminated (no need for the accessory drive section) 
> but retaining the removable front cover (which
> doubles as a alternator mount point) would be a nice feature (but add 
> complication) as it allows access to the 13B front
> thrust brg , gear stack and oil pump without pulling the engine (this 
> feature is not necessary if it is too costly).............The
> relative positions of the water-pump and front oil seal from the 
> 13B/Renesis frt side hsg need to be maintained to allow
> the use of the "Renesis" frt hub , pulley and ignition trigger wheel 
> and to maintain pulley/belt alignment.............
>

If you're going for this much of a redesign, start with a clean sheet 
and incorporate a generator into the mount.  You would need four raised 
lands around the crank to mount the stator against the housing, and a 
splined adapter to mount the rotor to the crank.  You could then move to 
an electric water pump, or mount the drive pulley on the outside of the 
rotor.


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    On 04/22/2011 12:01 PM, Kelly Troyer wrote:
    <blockquote cite="mid:list-4954356@logan.com" type="cite">
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          12pt;">
          <div>Jarrett,</div>
          <div>&nbsp;</div>
          <div>&nbsp;&nbsp;&nbsp; The main problem (from my eyeball engineering)&nbsp;will
            be integrating the Renesis&nbsp;(or other) water-pump into a
            simplified</div>
          <div>"Mistral" hsg without any interference with the Lycoming
            mount ring and "Dyna-focal" engine&nbsp;mounts..........The only
            part of</div>
          <div>the "Renesis" hsg that has to be duplicated is the
            water-pump hsg portion (see photo) and provisions made
            for&nbsp;locating&nbsp;</div>
          <div>the "Renesis" ignition sensor in the same
            relative&nbsp;position on a redesigned&nbsp;"Mistral"
            hsg..............Much of the "Mistral"</div>
          <div>open front can be eliminated (no need for the accessory
            drive section) but retaining the removable front cover
            (which</div>
          <div>doubles as a alternator mount point) would be a nice
            feature (but add complication) as it allows access to the
            13B front</div>
          <div>thrust brg&nbsp;, gear stack and oil pump without pulling the
            engine (this feature is not necessary if it is too
            costly).............The</div>
          <div>relative positions of the water-pump and front oil seal
            from the 13B/Renesis frt side hsg need to be maintained to
            allow</div>
          <div>the use of the "Renesis" frt hub , pulley and ignition
            trigger wheel and to maintain pulley/belt
            alignment.............</div>
          <br>
        </div>
      </div>
    </blockquote>
    <br>
    If you're going for this much of a redesign, start with a clean
    sheet and incorporate a generator into the mount.&nbsp; You would need
    four raised lands around the crank to mount the stator against the
    housing, and a splined adapter to mount the rotor to the crank.&nbsp; You
    could then move to an electric water pump, or mount the drive pulley
    on the outside of the rotor.<br>
    <br>
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