Mailing List lml@lancaironline.net Message #62127
From: William A. Hogarty <billhogarty@gmail.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: hot #2 Cyl TSIO 550 revisit
Date: Tue, 29 May 2012 11:09:08 -0400
To: <lml@lancaironline.net>
Pete:

Can you get us a photo?

Regards, Bill H.








On Mon, May 28, 2012 at 10:17 AM, pete@leapfrogventures.com
<pete@leapfrogventures.com> wrote:
> John,
>
>
>
> #2 was also my hottest cylinder.  First I installed the concave insert that
> was listed in one of the on-line articles that allows the air to flow around
> the shallow fins on the oil cooler side of #2 (is that what you are calling
> the “hat box”?).  However, even with the concave insert, #2 was still my
> hottest.  At that point I remembered that my engine, which I got from a
> salvage of Adam aircraft inventory, came with a piece of baffling for the
> oil box that had a scoop installed inside the oil box that directed air
> around to the lower right side of the cylinder.  The scoop was ¾” deep at
> the top and flush at the bottom, and about 3” wide (the width of the long
> fins on the cylinder).  I moved this scoop from the discarded Adam baffling
> piece onto the Lancair oil box (the hole was nearly the same size as the
> previous concave shaped part I had installed before).  Not only did this
> solve my #2 CHT problem (it is now one of my coolest cylinders), but it did
> not noticeably affect oil temps.  A win-win.
>
>
>
> Pete
>
>
>
> From: John Barrett [mailto:jbarrett@carbinge.com]
> Sent: Saturday, May 26, 2012 12:35 PM
> To: lml@lancaironline.net
> Subject: hot #2 Cyl TSIO 550 revisit
>
>
>
> Hello all,
>
>
>
> In April I asked some questions about this issue of  managing the cooling
> flow for #2 cylinder and there was a prolific and enlightening response that
> helped a lot.  The most common piece of advice was to build what was termed
> a “hat box” in the forward wall of the oil cooler box to allow more air
> around the back and bottom of this cylinder.
>
>
>
> Someone posted a photo of that fix and it was excellent.  Now I’m ready to
> go to work on this project and I’ve searched my data bases in different
> computers for that photo for a couple of hours to no avail.  I’m hoping that
> whoever was kind enough to post that picture will resend.
>
>
>
> Thanks in advance.
>
>
>
> Regards,
>
>
>
> John Barrett, CEO
>
> Leading Edge Composites
>
> PO Box 428
>
> Port Hadlock, WA 98339
>
>
>
> www.carbinge.com
>
>
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