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Date: Tue, 15 Mar 2005 06:29:26 -0500
Subject: Re: [FlyRotary] Re: peripheral ports
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From: Jerry Hey <jerryhey@earthlink.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Alex,  if the throttle body works as advertised, it can be produced in=20=

small quantities in a competent machine shop.  It will not cost all=20
that much either.  Mine were built with a  manually controlled lathe=20
and mill.   I am happy with the stock side housings for the time being.=20=

  We know they work and they are not hard to find.    Jerry



On Monday, March 14, 2005, at 10:55  PM, Alex Madsen wrote:

> Jerry, have you looked into getting your P-port insert rapid cast? If=20=

> I remember correctly it has a complex internal geometry.
>
> http://www.protcast.com/foundry.htm
>
> =A0
>
> Alex Madsen
>
> PS While you are at it how about some AL side housings =A0;)
>
> =A0
>
> =A0
>
<image.tiff>
>
>
> From:Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On=20=

> Behalf OfJerry Hey
> Sent: Monday, March 14, 2005 6:42 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: peripheral ports
>
> =A0
>
>
> On Monday, March 14, 2005, at 01:26 PM, Richard Sohn wrote:
>
> =A0
>
> ----- Original Message -----
> From: Jerry Hey
> To: Rotary motors in aircraft
> Sent: Monday, March 14, 2005 5:33 AM
> Subject: [FlyRotary] Re: peripheral ports
>
>
> On Monday, March 14, 2005, at 08:02 AM, Paul wrote:
>
>
>
> Paul, all the companies you list sell housings with BIG p - ports and=20=

> massive overlap. They are designed to develop tremendous hp at high=20
> rpm for racing. Of course they don't idle smoothly. These engines have=20=

> nothing to do with the smaller, conservatively timed p ports that we=20=

> wish to use as aircraft engines. Jerry
>
> Jerry,
>
> what are you calling consevatively timed p-ports?
> Just want to see were I stand with mine.
>
> Richard Sohn
> N-2071U
>
> Richard here is the timing on my p port. I.O.=3D 78=BA BTDC I.C.=3D =
75=BA ABDC
>
> In the attached drawing the opening and closing events are measured=20
> from the housing center line. My p port is on the left. The Leman p=20
> port is on the right. Jerry
>

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Alex,  if the throttle body works as advertised, it can be produced in
small quantities in a competent machine shop.  It will not cost all
that much either.  Mine were built with a  manually controlled lathe
and mill.   I am happy with the stock side housings for the time
being.  We know they work and they are not hard to find.    Jerry




On Monday, March 14, 2005, at 10:55  PM, Alex Madsen wrote:


=
<excerpt><fontfamily><param>Arial</param><color><param>0000,0000,8080</par=
am><smaller>Jerry,
have you looked into getting your P-port insert rapid cast? If I
remember correctly it has a complex internal =
geometry.</smaller></color></fontfamily>


=
<underline><fontfamily><param>Arial</param><color><param>0000,0000,FFFF</p=
aram><smaller>http://www.protcast.com/foundry.htm</smaller></color></fontf=
amily></underline>


=
<fontfamily><param>Arial</param><color><param>0000,0000,8080</param><small=
er>=A0</smaller></color></fontfamily>


=
<fontfamily><param>Arial</param><color><param>0000,0000,8080</param><small=
er>Alex
Madsen</smaller></color></fontfamily>


=
<fontfamily><param>Arial</param><color><param>0000,0000,8080</param><small=
er>PS
While you are at it how about some AL side housings =
=A0;)</smaller></color></fontfamily>


=
<fontfamily><param>Arial</param><color><param>0000,0000,8080</param><small=
er>=A0</smaller></color></fontfamily>


=
<fontfamily><param>Arial</param><color><param>0000,0000,8080</param><small=
er>=A0</smaller></color></fontfamily>


</excerpt><<image.tiff>

<center><excerpt><fontfamily><param>Times New Roman</param>

</fontfamily></excerpt></center><excerpt>

<bold><smaller>From:</smaller></bold><smaller>Rotary motors in
aircraft [mailto:flyrotary@lancaironline.net] <bold>On Behalf
Of</bold>Jerry Hey

<bold>Sent:</bold> Monday, March 14, 2005 6:42 PM

<bold>To:</bold> Rotary motors in aircraft

<bold>Subject:</bold> [FlyRotary] Re: peripheral ports</smaller>


<fontfamily><param>Times New Roman</param>=A0</fontfamily>



<fontfamily><param>Times New Roman</param>On Monday, March 14, 2005,
at 01:26 PM, Richard Sohn wrote:</fontfamily>


<fontfamily><param>Times New Roman</param>=A0


----- Original Message -----

<bold>From:</bold> <underline>Jerry Hey

</underline><bold>To:</bold> <underline>Rotary motors in aircraft

</underline><bold>Sent:</bold> Monday, March 14, 2005 5:33 AM

<bold>Subject:</bold> [FlyRotary] Re: peripheral ports



On Monday, March 14, 2005, at 08:02 AM, Paul wrote:




Paul, all the companies you list sell housings with BIG p - ports and
massive overlap. They are designed to develop tremendous hp at high
rpm for racing. Of course they don't idle smoothly. These engines have
nothing to do with the smaller, conservatively timed p ports that we
wish to use as aircraft engines. Jerry


Jerry,


what are you calling consevatively timed p-ports?

Just want to see were I stand with mine.


Richard Sohn

N-2071U</fontfamily>


<fontfamily><param>Times New Roman</param>Richard here is the timing
on my p port. I.O.=3D 78=BA BTDC I.C.=3D 75=BA ABDC


In the attached drawing the opening and closing events are measured
from the housing center line. My p port is on the left. The Leman p
port is on the right. Jerry</fontfamily>


</excerpt>=

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