X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 31 Jan 2011 08:17:01 -0500 Message-ID: X-Original-Return-Path: Received: from mail-ww0-f50.google.com ([74.125.82.50] verified) by logan.com (CommuniGate Pro SMTP 5.4c2a) with ESMTPS id 4831561 for lml@lancaironline.net; Sun, 30 Jan 2011 12:52:11 -0500 Received-SPF: pass receiver=logan.com; client-ip=74.125.82.50; envelope-from=vonjet@gmail.com Received: by wwf26 with SMTP id 26so4675488wwf.7 for ; Sun, 30 Jan 2011 09:51:34 -0800 (PST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=EHUoMnpsvcZBGqPz6FYLOoMR2eJeBr3hgKKdzQgOIzVkD/td36bFm08ugkZQ7eX0tQ 7gzip+J5a6MAtIjYuBxDkdgKdD9P5gdrdZlvP/7iorB0wbsTpKrLx43Vsgi++f58YP8a dqkjTBwISIyHpqFaLaAPp1ROE+0coJqJ75vJA= MIME-Version: 1.0 Received: by 10.216.186.196 with SMTP id w46mr4969613wem.105.1296409894148; Sun, 30 Jan 2011 09:51:34 -0800 (PST) Received: by 10.216.10.205 with HTTP; Sun, 30 Jan 2011 09:51:34 -0800 (PST) Received: by 10.216.10.205 with HTTP; Sun, 30 Jan 2011 09:51:34 -0800 (PST) In-Reply-To: References: X-Original-Date: Sun, 30 Jan 2011 09:51:34 -0800 X-Original-Message-ID: Subject: Re: [LML] Re: Need advice on improving cooling From: Bryan Wullner X-Original-To: Lancair Mailing List Content-Type: multipart/alternative; boundary=0016e649daea395b10049b13f397 --0016e649daea395b10049b13f397 Content-Type: text/plain; charset=ISO-8859-1 I don't recall the exact number for the fuel on take off but I know we checked it and it was where it should be. Oil temps will go to 210-220 on climb but will cool to 195 or so during cruise. Then once I get on the ground oil comes back to about 205-210 while taxiing back to the hangar. Bryan On Jan 30, 2011 7:33 AM, wrote: > Bryan, > > What's the fuel flow during max power (takeoff)? > What is your oil temp doing? > > Grayhawk > > > In a message dated 1/29/2011 10:36:52 P.M. Central Standard Time, > vonjet@gmail.com writes: > > My airplane: Lancair 360, 180hp 360 carburated. I have a plenum to cool and > I am feeding the oil cooler with air off the #3 cyl. > My chts are high on the ground and takeoff. The oil temp is high on the > ground as well. Its to the point where I can't takeoff if I'm on the ground > too long. And the hotter days aren't even here yet. > Also my carb temp climbs on the ground and pegs at the gauge limit of 127 > degrees. I've replaced the probe and the manufacturer seems to think its > operating normally. This would make me believe my lower cowling area is > getting hot and not enough air flowing out of it. > My AP has checked my engine, compression, timing etc and doesn't believe > there is any issues with it. The cooler is a 9 vane SW that was new when > installed. > My plan was to add cowling louvers to the lower cowling on each side below > the cyl banks. I would hope this would improve the air movement out the > cowling. > I read that cht probes could read high if they run close to the exhaust in > a tight cowling. Mine do. Also the carb probe is kind of close to the > exhaust as well. Not sure if this is my case. All my baffles are in place and > properly sealed. > Anybody have any advice on where to place these or other ideas that would > improve cooling or things to check > Bryan --0016e649daea395b10049b13f397 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

I don't recall the exact number for the fuel on take off but I know = we checked it and it was where it should be.
Oil temps will go to 210-220 on climb but will cool to 195 or so during cru= ise. Then once I get on the ground oil comes back to about 205-210 while ta= xiing back to the hangar.

Bryan

On Jan 30, 2011 7:33 AM, <Sky2high@aol.com> wrote:
&= gt; Bryan,
>
> What's the fuel flow during max power (tak= eoff)?
> What is your oil temp doing?
>
> Grayhawk
>
&= gt;
> In a message dated 1/29/2011 10:36:52 P.M. Central Standard T= ime,
> vonjet@gmail.com wri= tes:
>
> My airplane: Lancair 360, 180hp 360 carburated. I have a plen= um to cool and
> I am feeding the oil cooler with air off the #3 cy= l.
> My chts are high on the ground and takeoff. The oil temp is hig= h on the
> ground as well. Its to the point where I can't takeoff if I'm = on the ground
> too long. And the hotter days aren't even here = yet.
> Also my carb temp climbs on the ground and pegs at the gauge = limit of 127
> degrees. I've replaced the probe and the manufacturer seems to thi= nk its
> operating normally. This would make me believe my lower co= wling area is
> getting hot and not enough air flowing out of it. <= br> > My AP has checked my engine, compression, timing etc and doesn't b= elieve
> there is any issues with it. The cooler is a 9 vane SW tha= t was new when
> installed.
> My plan was to add cowling lou= vers to the lower cowling on each side below
> the cyl banks. I would hope this would improve the air movement out t= he
> cowling.
> I read that cht probes could read high if th= ey run close to the exhaust in
> a tight cowling. Mine do. Also the= carb probe is kind of close to the
> exhaust as well. Not sure if this is my case. All my baffles are in pl= ace and
> properly sealed.
> Anybody have any advice on whe= re to place these or other ideas that would
> improve cooling or th= ings to check
> Bryan
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