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Engine start-up regimen

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Bob Collins

Joined: 11 Mar 2006
Posts: 470
Location: St. Paul, Minnesota

Posted: Sun Sep 18, 2011 7:02 am Post subject: Engine start-up regimen

Wondering if there's a generally-accepted regimen for the first start-up 

of an RV's engine. In my case, it's an IO-360-B1B (from mattituck).  I 

ask because I noticed on Mr. Checkoway's site that there was a 5-minute 

warm-up period (according to his people who were assisting him) and then 

he ran it to run-up power, though I'm not sure for how long, nor what 

tests -- if any -- he was doing during the run-up, or during the 5 

minute-warm-up.



Thanks for any advice.



Also if anyone in St. Paul has a pick-up truck, how 'bout coming out to 

KSGS next Saturday and letting me tie an airplane to its bumper?



Do not archive.

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_________________
Bob Collins
St. Paul, Minn.
Letters from Flyover Country
http://rvnewsletter.blogspot.com/

Kellym

Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

Posted: Sun Sep 18, 2011 7:14 am Post subject: Engine start-up regimen

You need to define the purpose of your ground run. I do not see any 

purpose what so ever in a "warm up" unless you have ambient temperatures 

cold enough to require an engine pre-heat.

In general, with a freshly overhauled or new engine you want to only 

verify there are no leaks and that fuel and oil pressures are in the 

ball park. You do not want to let the cylinders get hot enough for any 

oil to glaze on the cylinder walls. You want to shut the engine off as 

soon as you verify no leaks and proper pressures. Let it cool 

completely. If necessary a second run is okay for same reasons. Once you 

have any leaks fixed and oil pressure where it belongs, any further 

ground run just increases the chances of glazing cylinder walls, 

inhibiting break-in. You simply want to get it into the air following 

the overhauler's break-in procedure to the letter.



On 9/18/2011 7:59 AM, Bob Collins wrote:

 	  Quote: 	
		   



 Wondering if there's a generally-accepted regimen for the first 

 start-up of an RV's engine. In my case, it's an IO-360-B1B (from 

 mattituck).  I ask because I noticed on Mr. Checkoway's site that 

 there was a 5-minute warm-up period (according to his people who were 

 assisting him) and then he ran it to run-up power, though I'm not sure 

 for how long, nor what tests -- if any -- he was doing during the 

 run-up, or during the 5 minute-warm-up.



 Thanks for any advice.



 Also if anyone in St. Paul has a pick-up truck, how 'bout coming out 

 to KSGS next Saturday and letting me tie an airplane to its bumper?



 Do not archive.

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

dcw(at)mnwing.org
Guest

Posted: Sun Sep 18, 2011 3:06 pm Post subject: Engine start-up regimen

Agreed.  Bart LaLonde at Aerosport recommends no longer than a 3-minute 

ground run.   I would look for oil pressure and general operation of all 

engine instrumentation and a mag check (or EI check).  That's it.  The 

next engine start should be the first flight.

Doug Weiler

On 9/18/2011 10:11 AM, Kelly McMullen wrote:

 	  Quote: 	

 You need to define the purpose of your ground run. I do not see any 

 purpose what so ever in a "warm up" unless you have ambient 

 temperatures cold enough to require an engine pre-heat.

 In general, with a freshly overhauled or new engine you want to only 

 verify there are no leaks and that fuel and oil pressures are in the 

 ball park. You do not want to let the cylinders get hot enough for any 

 oil to glaze on the cylinder walls. You want to shut the engine off as 

 soon as you verify no leaks and proper pressures. Let it cool 

 completely. If necessary a second run is okay for same reasons. Once 

 you have any leaks fixed and oil pressure where it belongs, any 

 further ground run just increases the chances of glazing cylinder 

 walls, inhibiting break-in. You simply want to get it into the air 

 following the overhauler's break-in procedure to the letter.

 On 9/18/2011 7:59 AM, Bob Collins wrote:

> 

>

> Wondering if there's a generally-accepted regimen for the first 

> start-up of an RV's engine. In my case, it's an IO-360-B1B (from 

> mattituck).  I ask because I noticed on Mr. Checkoway's site that 

> there was a 5-minute warm-up period (according to his people who were 

> assisting him) and then he ran it to run-up power, though I'm not 

> sure for how long, nor what tests -- if any -- he was doing during 

> the run-up, or during the 5 minute-warm-up.

>

> Thanks for any advice.

>

> Also if anyone in St. Paul has a pick-up truck, how 'bout coming out 

> to KSGS next Saturday and letting me tie an airplane to its bumper?

>

> Do not archive.

>

>

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david.nelson(at)pobox.com
Guest

Posted: Mon Sep 19, 2011 4:38 am Post subject: Engine start-up regimen

Hi Bob,



 	  Quote: 	
		  From Mattituck's (your engine manufacturer) TMX FAQ:


	


http://www.mattituck.com/tmxfaq.htm



In the section "Do I need extra test cell run time on my new TMX experimental 

engine to prevent cylinder glazing during my ground testing phase?":



"If the CHT goes above 350*F or the oil temp goes above 180*F at any point 

during the 10 minute max duration ground run, or at the expiration of the ten 

minute time limit, that run should be terminated."

It's a very exciting time when you hit that starter and the engine fires for 

the first time!



Good luck,



 	 /\/elson

On Sun, 18 Sep 2011, Bob Collins wrote:



 	  Quote: 	
		   



 Wondering if there's a generally-accepted regimen for the first start-up of 

 an RV's engine. In my case, it's an IO-360-B1B (from mattituck).  I ask 

 because I noticed on Mr. Checkoway's site that there was a 5-minute warm-up 

 period (according to his people who were assisting him) and then he ran it to 

 run-up power, though I'm not sure for how long, nor what tests -- if any -- 

 he was doing during the run-up, or during the 5 minute-warm-up.



 Thanks for any advice.



 Also if anyone in St. Paul has a pick-up truck, how 'bout coming out to KSGS 

 next Saturday and letting me tie an airplane to its bumper?



 Do not archive.

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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Bob Collins

Joined: 11 Mar 2006
Posts: 470
Location: St. Paul, Minnesota

Posted: Sat Sep 24, 2011 8:36 pm Post subject: Engine start-up regimen

Just a quick update: We started the engine today and everything went 

fine. Comedy and video here:



http://rvnewsletter.blogspot.com/2011/09/clear.html



On 9/18/2011 9:59 AM, Bob Collins wrote:

 	  Quote: 	
		   



 Wondering if there's a generally-accepted regimen for the first 

 start-up of an RV's engine. In my case, it's an IO-360-B1B (from 

 mattituck).  I ask because I noticed on Mr. Checkoway's site that 

 there was a 5-minute warm-up period (according to his people who were 

 assisting him) and then he ran it to run-up power, though I'm not sure 

 for how long, nor what tests -- if any -- he was doing during the 

 run-up, or during the 5 minute-warm-up.



 Thanks for any advice.



 Also if anyone in St. Paul has a pick-up truck, how 'bout coming out 

 to KSGS next Saturday and letting me tie an airplane to its bumper?



 Do not archive.

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

_________________
Bob Collins
St. Paul, Minn.
Letters from Flyover Country
http://rvnewsletter.blogspot.com/

rv8iator(at)gmail.com
Guest

Posted: Sun Sep 25, 2011 5:37 pm Post subject: Engine start-up regimen

Bob...

Fantastic!  Glad to see your project is moving forward.



Chris stone



Sent from my iPad



On Sep 24, 2011, at 9:33 PM, Bob Collins <bcollinsrv7a(at)comcast.net> wrote:



 	  Quote: 	
		   

 

 Just a quick update: We started the engine today and everything went fine. Comedy and video here:

 

 http://rvnewsletter.blogspot.com/2011/09/clear.html

 

 

 

 On 9/18/2011 9:59 AM, Bob Collins wrote:

> 

> 

> Wondering if there's a generally-accepted regimen for the first start-up of an RV's engine. In my case, it's an IO-360-B1B (from mattituck).  I ask because I noticed on Mr. Checkoway's site that there was a 5-minute warm-up period (according to his people who were assisting him) and then he ran it to run-up power, though I'm not sure for how long, nor what tests -- if any -- he was doing during the run-up, or during the 5 minute-warm-up.

> 

> Thanks for any advice.

> 

> Also if anyone in St. Paul has a pick-up truck, how 'bout coming out to KSGS next Saturday and letting me tie an airplane to its bumper?

> 

> Do not archive.

> 

> 

> 

> 

>

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

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