X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp1.av-mx.com ([137.118.16.57] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3902640 for flyrotary@lancaironline.net; Wed, 28 Oct 2009 09:55:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.57; envelope-from=res12@fairpoint.net Received: from main (dflo-67-158-146-126.gtcom.net [67.158.146.126]) (Authenticated sender: res12@fairpoint.net) by smtp1.av-mx.com (Postfix) with ESMTP id 02DA6290DF9 for ; Wed, 28 Oct 2009 09:54:31 -0400 (EDT) Message-ID: From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fwd: BBQ in Llano Date: Wed, 28 Oct 2009 08:55:05 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005F_01CA57AC.57D8AE10" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_005F_01CA57AC.57D8AE10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the warning on the hose clamps. I am going to use those in = the single rotor installation. Something to pay close attention to. It would have been nice to see you at SERFI. We had lots of air planes, = but nothing really exciting.=20 Richard Sohn N2071U ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Wednesday, October 28, 2009 8:35 AM Subject: [FlyRotary] Re: Fwd: BBQ in Llano Really neat to see rotaries showing up at fly-ins Mark. Tried to make the first one in my RV-8 last weekend (SERFI in Alabama) = but about 80 miles out from Shady Bend the autopilot banks the airplane = hard left and stayed there for 180 degrees. I hit the disengage switch = and it let me be PIC again. Then I notice the message "GPS FAILED" on = the Bluemountain screen. I had my Garmin GPS on board for backup but = now I had no confidence in my instrument panel so just stayed on heading = back home. I cycled power on the BM and it booted up OK & was fine all = the way back. =20 Later, I see several drops of coolant under the cowl and pop the upper = part to see what's up. Source of leak was the lower hose connection to = water pump. I use those Gates PowerGrip heat shrink clamps which I like = a lot. This one was about 6 inches away from the exhaust collector = pipe which I thought was far enough but the radiated heat from the = glowing pipe was apparently absorbed very well by the black clamp. It = had melted about 95% of its length at the point directly faceing the = exhaust pipe and was barely holding on. Lesson learned: These clamps = MUST be shielded from radiated exhaust heat if distance is less than 12 = inches. Now I have to decide if the Bluemountain EFIS is a write-off or was it = smart enought to warn me about the disintegrating hose clamp and turn me = back toward home :>) Tracy ------=_NextPart_000_005F_01CA57AC.57D8AE10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks for the warning on the hose = clamps. I am=20 going to use those in the single rotor installation. Something to pay = close=20 attention to.
 
It would have been nice to see you at = SERFI. We had=20 lots of air planes, but nothing really exciting.
 
Richard Sohn
N2071U
----- Original Message -----
From:=20 Tracy=20 Crook
Sent: Wednesday, October 28, = 2009 8:35=20 AM
Subject: [FlyRotary] Re: Fwd: = BBQ in=20 Llano

Really neat to see rotaries showing up at fly-ins=20 Mark.

Tried to make the first one in my RV-8 last weekend = (SERFI in=20 Alabama) but about 80 miles out from Shady Bend the autopilot banks = the=20 airplane hard left and stayed there for 180 degrees.  I hit the = disengage=20 switch and it let me be PIC again.  Then I notice the message = "GPS=20 FAILED" on the Bluemountain screen.  I had my Garmin GPS on board = for=20 backup but now I had no confidence in my instrument panel so just = stayed on=20 heading back home.  I cycled power on the BM and it booted up OK = &=20 was fine all the way back. 

Later, I see several drops of = coolant=20 under the cowl and pop the upper part to see what's up.  Source = of leak=20 was the lower hose connection to water pump.  I use those Gates = PowerGrip=20 heat shrink clamps which I like a lot.   This one was about = 6 =20 inches away from the exhaust collector pipe which I thought was far = enough but=20 the radiated heat from the glowing pipe was apparently absorbed very = well by=20 the black clamp.   It had melted about 95% of its length at the = point=20 directly faceing the exhaust pipe and was barely holding on.   = Lesson=20 learned: These clamps MUST be shielded from radiated exhaust heat if = distance=20 is less than 12 inches.

Now I have to decide if the = Bluemountain EFIS=20 is a write-off or was it smart enought to warn me about the = disintegrating=20 hose clamp and turn me back toward home=20 :>)

Tracy

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