X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 1 [X] Return-Path: Sender: To: lml Date: Sat, 06 Jan 2007 01:40:55 -0500 Message-ID: X-Original-Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 5.1.4) with ESMTP id 1739884 for lml@lancaironline.net; Fri, 05 Jan 2007 22:52:49 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.4; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m23.mx.aol.com (mail_out_v38_r7.6.) id q.c54.a251e4d (32914) for ; Fri, 5 Jan 2007 22:51:56 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Fri, 5 Jan 2007 22:51:54 EST Subject: Re: [LML] Heated pitot and static X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1168055514" X-Mailer: 9.0 Security Edition for Windows sub 5358 X-Spam-Flag: NO -------------------------------1168055514 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 1/5/2007 9:14:21 P.M. Central Standard Time, peter.sokolowski@gmx.net writes: I am installing a heated pitot and static port on my 360 and asking myself whether the airframe can cope with the heat produced by these things. Both are drawing about 4A at 24 V each (after initial heating time) - and do not even think about touching them after 5 minutes of heating. So my questions are: 1. Any experience out there with such heat (ca. 100W each) on the (glass) frame? 2. Any recommendations for mounting? 3. In case the heat is to much, I am thinking about putting them in serial, reducing the heat by ca. half - is the glass capable with this at least? - I will fly "only" VFR and install the probes for "in case". Thanks in advance for your feedback, Peter, lnc 360, 85% Peter, If it is a Piper style blade or the giant chromed (about a foot long) pitot/static combo, the heat is not a problem whilst flying (I had and rejected both - unreliable static ports). I was never able to get any static port, other than the Lancair recommended ones (behind and slightly below the rear window, both sides), to work. In those side static locations you will not need to heat the static ports as they will not collect ice except in a crosswind sleet whilst parked (the other side will remain free of ice). I have a heated L- shaped pitot and it is no problem unless you remain not-in-motion for a very long time with the pitot on - Indeed, it is installed in the left aileron bell crank door - out of any breeze created by the prop. "In case"?. In a flight thru any visible moisture, turn on the pitot heat - it doesn't cost a thing. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) A man has got to know his limitations. -------------------------------1168055514 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 1/5/2007 9:14:21 P.M. Central Standard Time,=20 peter.sokolowski@gmx.net writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>I am=20 installing a heated pitot and static port on my 360 and asking myself whet= her=20 the airframe can cope with the heat produced by these things. Both are dra= wing=20 about 4A at 24 V each (after initial heating time) - and do not even think= =20 about touching them after 5 minutes of heating.
So my questions are:1.=20 Any experience out there with such heat (ca. 100W each) on the (glass)=20 frame?
2. Any recommendations for mounting?
3. In case the heat is t= o=20 much, I am thinking about putting them in serial, reducing the heat by ca.= =20 half - is the glass capable with this at least? - I will fly "only" VFR an= d=20 install the probes for "in case".
Thanks in advance for your=20 feedback,
Peter, lnc 360, 85%

Peter,

If it is a Piper style blade or the giant chromed (about a foot lo= ng)=20 pitot/static combo, the heat is not a problem whilst flying (I had and rejec= ted=20 both - unreliable static ports). I was never able to get any stat= ic=20 port, other than the Lancair recommended ones (behind and slightly below the= =20 rear window, both sides), to work. In those side static locations= you=20 will not need to heat the static ports as they will not collect ice except i= n a=20 crosswind sleet whilst parked (the other side will remain free of ice).

I have a heated L- shaped pitot and it is no problem unless you=20 remain not-in-motion for a very long time with the pitot on - Indeed, i= t is=20 installed in the left aileron bell crank door - out of any breeze created by= the=20 prop.

"In case"?. In a flight thru any visible moisture, turn on the pi= tot=20 heat - it doesn't cost a thing.=20

Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

A m= an=20 has got to know his limitations.

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