From: "William Jepson" <flyrotary@lancaironline.net>
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Date: Mon, 13 Jun 2016 23:34:13 -0700
Message-ID: <CAN=mtacvBPyp+nuxV=AGmpTXb6-e9ZUcv189BnDaw+QQi5tgkA@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Mistral
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Lynn,
I'm sure the thing that stopped Mistral was the FAA paper trail
requirements. All the parts need to be made in house, or be certified by
their manufacturer. Since Mazda had no intention of certifying their parts
the start up production cost would be huge. I'm sure the engine would pass
the requirements easily, but that isn't enough for the FAA. The added parts
cost is ridiculous. A friend has a Grumman American Tiger. It needed a
wheel bearing. The aircraft part cost $107. The identical bearing with the
same SKF part number RETAILS for $19 bucks, just no paperwork. Mistral
should have embraced experimental aircraft. They could have had some sales,
instead of a money pit.

Bill Jepson
On Jun 13, 2016 8:48 PM, "Lehanover" <flyrotary@lancaironline.net> wrote:

> The intake was designed to fit the mid 80s style13B intake ports in both 2
> rotor and 3 rotor engines. Runner length tuned to cruise RPM. intake design
> well done. Reduction gearbox very well designed with power take off pulleys
> and hydraulic propeller governor mount.
>
> Versions of both engines also ran on jet A. Tried for years to get engines
> certified in Europe and US. Probably not possible so as to maintain the
> status of current 1920s technology aircraft engines.
> I was offered an job with them. I helped all I could via Email. Test Piper
> landed short when test muffler decomposed blocking exit flow. Destroyed
> Piper. They tune like dirt bikes. Sensitive to exhaust flow and back
> pressure.
>
> Lynn E. Hanover
>
> In a message dated 6/13/2016 3:00:33 P.M. Eastern Daylight Time,
> flyrotary@lancaironline.net writes:
>
> www.mistral-engines.com
>
>

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<p dir=3D"ltr">Lynn, <br>
I&#39;m sure the thing that stopped Mistral was the FAA paper trail require=
ments. All the parts need to be made in house, or be certified by their man=
ufacturer. Since Mazda had no intention of certifying their parts the start=
 up production cost would be huge. I&#39;m sure the engine would pass the r=
equirements easily, but that isn&#39;t enough for the FAA. The added parts =
cost is ridiculous. A friend has a Grumman American Tiger. It needed a whee=
l bearing. The aircraft part cost $107. The identical bearing with the same=
 SKF part number RETAILS for $19 bucks, just no paperwork. Mistral should h=
ave embraced experimental aircraft. They could have had some sales, instead=
 of a money pit.</p>
<p dir=3D"ltr">Bill Jepson</p>
<div class=3D"gmail_quote">On Jun 13, 2016 8:48 PM, &quot;Lehanover&quot; &=
lt;<a href=3D"mailto:flyrotary@lancaironline.net">flyrotary@lancaironline.n=
et</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u=
></u>


<div style=3D"FONT-SIZE:10pt;FONT-FAMILY:Arial;COLOR:#000000"><font color=
=3D"#000000" size=3D"2" face=3D"Arial">
<div>The intake was designed to fit the mid 80s style13B intake ports in bo=
th 2=20
rotor and 3 rotor engines. Runner length tuned to cruise RPM. intake design=
 well=20
done. Reduction gearbox very well designed with power take off pulleys and=
=20
hydraulic propeller governor mount.</div>
<div>=C2=A0</div>
<div>Versions of both engines also ran on jet A. Tried for years to get eng=
ines=20
certified in Europe and US. Probably not possible so as to maintain the sta=
tus=20
of current 1920s technology aircraft engines.</div>
<div>I was offered an job with them. I helped all I could via Email. Test P=
iper=20
landed short when test muffler decomposed blocking exit flow. Destroyed Pip=
er.=20
They tune like dirt bikes. Sensitive to exhaust flow and back pressure. </d=
iv>
<div>=C2=A0</div>
<div>Lynn E. Hanover</div>
<div>=C2=A0</div>
<div>
<div>In a message dated 6/13/2016 3:00:33 P.M. Eastern Daylight Time,=20
<a href=3D"mailto:flyrotary@lancaironline.net" target=3D"_blank">flyrotary@=
lancaironline.net</a> writes:</div>
<blockquote style=3D"PADDING-LEFT:5px;MARGIN-LEFT:5px;BORDER-LEFT:blue 2px =
solid"><font style=3D"BACKGROUND-COLOR:transparent" color=3D"#000000" size=
=3D"2" face=3D"Tahoma"><a href=3D"http://www.mistral-engines.com" target=3D=
"_blank">www.mistral-engines.com</a></font></blockquote></div></font></div>=
</blockquote></div>

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