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Date: Wed, 6 May 2009 20:17:12 -0700 (PDT)
From: James Maher <delta11xd@att.net>
Reply-To: delta11xd@att.net
Subject: Re: [FlyRotary] Re: Initial Engine start
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-3634217@logan.com>
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Mike,
I have several years of real world experience with a 1997 Geo Metro with a =
1.3L engine.
This is a very robust engine.
=A0I have found that the engine develops its best torque between 1500-2500 =
RPM with the sweet spot being about 2000.
This engine would be a great candidate for a direct drive prop=A0in you are=
 only looking for around 50 HP.
The 1.3L=A0is rated from the factory at 70 HP at peak RPM but I would not r=
ecommend running it at that rate for any length of time because it would re=
duce its reliability.
If I were to use this engine in an aircraft configuration I would set it up=
 to cruise in the
2500-3500 RPM range.
The engine can hum along at this rate pulling a 2000 lb vehicle all day pro=
vided if has adequate cooling.
If you can cruise at 65MPH or faster at ~3000RPM you will be getting about =
45MPG.
This is where this engine really shines.=20
You won't find too many engines that will operate in cruise at a bit over 1=
 gallon/hour.
Good luck with your project and keep us posted.
=A0
Jim


--- On Wed, 5/6/09, Mike Fontenot <mikef@apexconsultingservices.com> wrote:

From: Mike Fontenot <mikef@apexconsultingservices.com>
Subject: [FlyRotary] Re: Initial Engine start
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Date: Wednesday, May 6, 2009, 4:35 PM


Jim,

The engine has a PSRU attached, approx 2.5:1 reduction to a 3 bladed Koolpr=
op. Engine (1999 GEO/Suzuki G13BB - 4 cylinder 1.3L) reportedly gives 80 to=
 85 HP in my configuration. Weight wet is around 210 lb.

--=20
Mike

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
Mike Fontenot
Apex Consulting & Services LLC
Lakewood, Colorado
303 / 731-6645
mikef AT apexconsultingservices DOT com
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D

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<table cellspacing=3D"0" cellpadding=3D"0" border=3D"0" ><tr><td valign=3D"=
top" style=3D"font: inherit;"><DIV>Mike,</DIV>
<DIV>I have several years of real world experience with a 1997 Geo Metro wi=
th a 1.3L engine.</DIV>
<DIV>This is a very robust engine.</DIV>
<DIV>&nbsp;I have found that the engine develops its best torque between 15=
00-2500 RPM with the sweet spot being about 2000.</DIV>
<DIV>This engine would be a great candidate for a direct drive prop&nbsp;in=
 you are only looking for around 50 HP.</DIV>
<DIV>The 1.3L&nbsp;is rated from the factory at 70 HP at peak RPM but I wou=
ld not recommend running it at that rate for any length of time because it =
would reduce its reliability.</DIV>
<DIV>If I were to use this engine in an aircraft configuration I would set =
it up to cruise in the</DIV>
<DIV>2500-3500 RPM range.</DIV>
<DIV>The engine can hum along at this rate pulling a 2000 lb vehicle all da=
y provided if has adequate cooling.</DIV>
<DIV>If you can cruise at 65MPH or faster at ~3000RPM you will be getting a=
bout 45MPG.</DIV>
<DIV>This is where this engine really shines. </DIV>
<DIV>You won't find too many engines that will operate in cruise at a bit o=
ver 1 gallon/hour.</DIV>
<DIV>Good luck with your project and keep us posted.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Jim</DIV>
<DIV><BR><BR>--- On <B>Wed, 5/6/09, Mike <SPAN>Fontenot</SPAN> <I>&lt;mikef=
@apexconsultingservices.com&gt;</I></B> wrote:<BR></DIV>
<BLOCKQUOTE style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(=
16,16,255) 2px solid">From: Mike Fontenot &lt;mikef@apexconsultingservices.=
com&gt;<BR>Subject: [FlyRotary] Re: Initial Engine start<BR>To: "Rotary mot=
ors in aircraft" &lt;flyrotary@lancaironline.net&gt;<BR>Date: Wednesday, Ma=
y 6, 2009, 4:35 PM<BR><BR>
<DIV id=3Dyiv304940436>Jim,<BR><BR>The engine has a PSRU attached, approx 2=
.5:1 reduction to a 3 bladed Koolprop. Engine (1999 GEO/Suzuki G13BB - 4 cy=
linder 1.3L) reportedly gives 80 to 85 HP in my configuration. Weight wet i=
s around 210 lb.<BR clear=3Dall><BR>-- <BR>Mike<BR><BR>=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D<BR>Mike Fontenot<BR>Apex Consulting &amp; Services LLC<BR>Lakewood, Col=
orado<BR>303 / 731-6645<BR>mikef AT apexconsultingservices DOT com<BR>=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D<BR></DIV></BLOCKQUOTE></td></tr></table>
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