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From: "Bill Schertz" <wschertz@comcast.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-1181859@logan.com>
Subject: Re: [FlyRotary] Fuel Injector O Rings and SDSEFI Injector Bosses
Date: Sun, 18 Jun 2006 21:41:13 -0500
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Scott,
It looks like you have a sharp edge inside the manifold log, where the 
intake tube intersects. That usually is a 'no-no' from a pressure drop 
standpoint, are you planning on putting a rounded edge in that area?

Bill Schertz
KIS Cruiser # 4045
----- Original Message ----- 
From: "Scott" <squiggles@yahoo.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, June 17, 2006 2:06 PM
Subject: [FlyRotary] Fuel Injector O Rings and SDSEFI Injector Bosses


> Hello All...
>
> I've searched the archives, but can't seem to come up
> with an answer to what are ID of the O Rings for 13b
> injectors.
>
> I have SDSEFI's injector bosses(
> http://www.sdsefi.com/newboss2.jpg
> "...Shown above are the new CNC'd injector bosses
> available for use with standard 14mm O-ring type Bosch
> injectors. ..." "..."O" rings are .575 in. O.D. top
> and bottom. ..."
>
> Using
> http://lancaironline.net/lists/flyrotary/Message/14636.html?Language=
> and
> http://lancaironline.net/lists/flyrotary/Message/21588.html?Language=
>
>
> It would seem the injectors I have are 460cc 86-87.
>
> What I don't know is what should be the ID of the O
> rings for the injectors?  Are ID all the same for the
> injectors?
>
> Also using
> http://www.fiveomotorsport.com/PartsJPEGs/Injectors/RX7195500-2010_4.jpg
> It seems there are 3 types of Rings/Grommets on the
> injectors.  Are all 3 necessary?
>
> Or even more simply, anyone who has used the SDSEFI
> bosses and stock injectors, what did you use for your
> O rings?
>
> As an aside I have used the STS2000 brazing rods Ed
> Anderson has mentioned to assembled the intake
> manifold.  They have been great.  The ease of use and
> the strength is pretty amazing.
>
> Any info and guidence is appreciated.
>
> Thx in advance...
>
> -Scott
>
>
>
>
>
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