Return-Path: Received: from fed1mtao03.cox.net ([68.6.19.242] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3071350 for flyrotary@lancaironline.net; Tue, 09 Mar 2004 19:20:40 -0500 Received: from BigAl ([68.107.116.221]) by fed1mtao03.cox.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040310002034.YJY6230.fed1mtao03.cox.net@BigAl> for ; Tue, 9 Mar 2004 19:20:34 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Fwd: [LML] Re: Hot Start Technique Date: Tue, 9 Mar 2004 16:20:47 -0800 Message-ID: <003001c40635$891e3c70$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0031_01C405F2.7AFAFC70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0031_01C405F2.7AFAFC70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Subject: [FlyRotary] Fwd: [LML] Re: Hot Start Technique =20 I'm forwarding a message from the Lancair list about hot start techniques needed for certified a/c installations. I was curious if there are similar issues for rotary installations. I suspect not, but thought I would ask anyway.=20 Mark S. During the dyno testing, I developed the following procedure for hot starts on the 20B: =20 1 =96 Switch on the power to injectors and ignition 2 =96 press the starter button for a second or two; =20 3- Listen to the hum-m-m-m-m-m-m.. :-) Al =20 Delivered-To: msteitle@mail.utexas.edu X-SpamCatcher-Score: 50 [XX] List-Unsubscribe: List-ID: List-Archive: > Reply-To: "Lancair Mailing List" Sender: "Lancair Mailing List" To: "Lancair Mailing List" Date: Mon, 08 Mar 2004 22:10:33 -0500 X-Original-Message-ID: From: hwasti@starband.net Subject: [LML] Re: Hot Start Technique X-SpamPal: PASS A-WLIST FROM =20 Tubamanflies@aol.com wrote: I am flying a Lancair with an IO-360....I have tried a number of different ways to start the plane when it is hot. Some work better than others but sometimes I think it depends on the phase of the moon. I would really like to hear from anyone and everyone on how they go about a hot start. The IO-360 is also used on the Mooney M20E/F/J models and hot starts are always an issue, especially among the pilots that try and follow the owners' manual's recommendation of a flooded start when the engine is hot. While your exact setup is different than on a Mooney, the procedures may work for you. Following is an excerpt from a post to the Mooney Mailing list from a year or two ago. I follow the shutdown and hot start procedure every single time and it always works. Before I was taught this many years ago, I too was convinced that hot starts were somehow linked to the phase of the moon or something even more erratic like female moods. With this procedure, I am as confident about the engine starting as I am about democrats raising taxes. COLD START PROCEDURE Master Switch On Throttle, prop and mixture controls full forward Boost pump on for 5 seconds Mixture to idle cutoff Throttle reduce to the approximate position for a 1000-1100 RPM idle speed Engage starter When engine fires, release starter key and firmly (but not rapidly) move mixture control to full rich After engine is running, lean mixture control out for smooth idle HOT START PROCEDURE Master Switch On DON T TOUCH THE THROTTLE, PROP OR MIXTURE CONTROLS. The throttle should be in the 1000-1100 RPM position from the previous shutdown, the mixture should be in the idle cutoff and the prop should be full forward. Engage the starter Expect about 15-20 blades before the engine fires When the engine fires, smoothly (not rapidly) move the mixture control to full rich After idling, lean the mixture for smooth operation on the ground and during taxi FLOODED ENGINE START PROCEDURE Master Switch On Throttle, prop and mixture full forward Boost pump on 3 seconds, then off Mixture to idle/cutoff Throttle full open Engage the starter Slowly pull the throttle back towards idle as the engine is turning over with the starter engaged When the throttle is reduced to about =BD to =BE towards the idle = position, the engine should fire after the throttle hits the position for the perfect fuel/air mixture for starting. When the engine fires, smoothly increase the mixture to full rich Bring the throttle back to the normal idle speed (1000-1100 RPM) After idling awhile, lean the mixture for smooth operations on the ground and during taxi RECOMMENDED ENGINE SHUTDOWN PROCEDURE FOR THE MOONEY M20E Idle the engine at 1000-1100 RPM Pull the mixture control to idle/cutoff from this idle speed DO NOT TOUCH THE THROTTLE. Leave it at the setting it was at for the 1000-1100 RPM idle speed used for shut down Ignition switch to off after the engine spools down Master Switch Off ############################################################# =20 For archives see the LML website: http://www.lancaironline.net/maillist.html =20 LML members receive a 10% discount at http://www.buildersbooks.com =20 ------=_NextPart_000_0031_01C405F2.7AFAFC70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable


Subject: [FlyRotary] Fwd: = [LML] Re: Hot Start Technique

 

I'm forwarding a message from the Lancair = list about hot start techniques needed for certified a/c installations.  I was curious if there are similar issues for rotary installations.  I = suspect not, but thought I would ask anyway.

Mark S.

During the dyno testing, I = developed the following procedure for hot starts on the 20B:

 

1 – Switch on the power to injectors and ignition

2 – press the starter = button for a second or two;

 

3- Listen to the = hum-m-m-m-m-m-m..

J

Al

 

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Date: Mon, 08 Mar 2004 22:10:33 -0500
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From: hwasti@starband.net
Subject: [LML] Re: Hot Start Technique
X-SpamPal: PASS A-WLIST FROM           &nb= sp;           &nbs= p;            = ; 

Tubamanflies@aol.com = wrote:

I am flying a Lancair with an IO-360....I = have tried a number of different ways to start the plane when it is hot.  Some = work better than others but sometimes I think it depends on the phase of the = moon.  I would really like to hear from anyone and everyone on how they go = about a hot start.

The IO-360 is also used on the Mooney M20E/F/J models and hot starts are = always an issue, especially among the pilots that try and follow the owners' = manual's recommendation of a flooded start when the engine is hot.  While = your exact setup is different than on a Mooney, the procedures may work for you.  Following is an excerpt from a post to the Mooney Mailing = list from a year or two ago.  I follow the shutdown and hot start procedure = every single time and it always works.  Before I was taught this many = years ago, I too was convinced that hot starts were somehow linked to the phase of = the moon or something even more erratic like female moods.  With this = procedure, I am as confident about the engine starting as I am about democrats = raising taxes.

COLD START PROCEDURE

Master Switch On
Throttle, prop and mixture controls full forward
Boost pump on for 5 seconds
Mixture to idle cutoff
Throttle reduce to the approximate position for a 1000-1100 RPM idle = speed
Engage starter
When engine fires, release starter key and firmly (but not rapidly) move mixture control to full rich
After engine is running, lean mixture control out for smooth idle

HOT START PROCEDURE

Master Switch On
DON T = TOUCH THE THROTTLE, PROP OR MIXTURE CONTROLS. The throttle should be in the = 1000-1100 RPM position from the previous shutdown, the mixture should be in the idle = cutoff and the prop should be full forward.
Engage the starter
Expect about 15-20 blades before the engine fires
When the engine fires, smoothly (not rapidly) move the mixture control = to full rich
After idling, lean the mixture for smooth operation on the ground and = during taxi

FLOODED ENGINE START PROCEDURE

Master Switch On
Throttle, prop and mixture full forward
Boost pump on 3 seconds, then off
Mixture to idle/cutoff
Throttle full open
Engage the starter
Slowly pull the throttle back towards idle as the engine is turning over = with the starter engaged
When the throttle is reduced to about =BD to =BE towards the idle = position, the engine should fire after the throttle hits the position for the perfect fuel/air mixture for starting.
When the engine fires, smoothly increase the mixture to full rich
Bring the throttle back to the normal idle speed (1000-1100 RPM)
After idling awhile, lean the mixture for smooth operations on the = ground and during taxi

RECOMMENDED ENGINE SHUTDOWN PROCEDURE FOR THE MOONEY M20E

Idle the engine at 1000-1100 RPM
Pull the mixture control to idle/cutoff from this idle speed
DO = NOT TOUCH THE THROTTLE. Leave it at the setting it was at for = the
1000-1100 RPM idle speed used for shut down
Ignition switch to off after the engine spools down
Master Switch Off




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For archives see the LML website: http://www.lancaironline.net/maillist.html
 
LML members receive a 10% discount at http://www.buildersbooks.com =
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