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N460HJ wouldnt start this am

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peterz(at)zutrasoft.com
Guest

Posted: Tue Jun 16, 2020 12:29 pm Post subject: N460HJ wouldnt start this am

Wow!  Should be part of the “5 year rubber” service?



Lucky you didnt burn any cyl’s? How were your egt’s? (Or did it just open up all of a sudden?)



Another thing for me to watch for (spares are on my shelf).



Cheers



 	  Quote: 	
		   On Jun 16, 2020, at 3:54 PM, William Daniell <wdaniell.longport(at)gmail.com> wrote:

 

 

 I should think that i had been flying several times with this.  

 

 This is 50hours after a hundred hour check.

 

 The engine which was zero hours had been sitting for about 8 years before i installed it  

 

 William Daniell

 +1 786 878 0246

 <20200614_130803.jpg>

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wdaniell.longport(at)gmai
Guest

Posted: Tue Jun 16, 2020 2:41 pm Post subject: N460HJ wouldnt start this am

Well pete interesting that you mentioned that... yes it is and no it was about the only thing i didn't change.

The colombian knowledge based on every climate from temperate to tropical is that rotax carb rubbers are known to fail in hot country.   Rotax motors are used and abused (they use them for crop dusting in mxp savannah) in ways that would make most of us blench and giving me a great deal of confidence in rotax engines.   the knowledge about what fails and doesnt fail is based on real life.  Btw i live in miami.

And yes...very, very lucky.  I think cyl burn could have been the best outcome.   The worst doesn't bear thinking about.  

I posted it so that everyone can learn through my mistake.

Henceforth i shall change every other year and  follow buds advice to check closely every 25 hours.

Will

William Daniell

+1 786 878 0246

On Tue, Jun 16, 2020, 16:33 Pete <peterz(at)zutrasoft.com (peterz(at)zutrasoft.com)> wrote:

 	  Quote: 	
		  --> Europa-List message posted by: Pete <peterz(at)zutrasoft.com (peterz(at)zutrasoft.com)>

 Wow!  Should be part of the “5 year rubber” service?

 Lucky you didnt burn any cyl’s? How were your egt’s? (Or did it just open up all of a sudden?)

 Another thing for me to watch for (spares are on my shelf).

 Cheers

 > On Jun 16, 2020, at 3:54 PM, William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:

 > 

 > 

 > I should think that i had been flying several times with this.  

 > 

 > This is 50hours after a hundred hour check.

 > 

 > The engine which was zero hours had been sitting for about 8 years before i installed it  

 > 

 > William Daniell

 > +1 786 878 0246

 > <20200614_130803.jpg>

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Wed Jun 17, 2020 2:57 am Post subject: Re: N460HJ wouldnt start this am

Will,



The photo isn't visible.  What failed?



Thanks



Jim

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wdaniell.longport(at)gmai
Guest

Posted: Wed Jun 17, 2020 4:08 am Post subject: N460HJ wouldnt start this am

Jim

Ah ok the matronics server stopped it.



The rubber carb flange....almost completely separated.

So when it would start i opened up the cowling and having checked the plugs and ignition was just about the pull the float bowls off when the carb came off in my hand as it were.

I must have landed with it close to that state.  I can only guess that the induction suction plus the turbo airbox kept the carb on in flight.

Will



William Daniell

+1 786 878 0246

On Wed, Jun 17, 2020, 06:59 h&amp;jeuropa <butcher43(at)att.net (butcher43(at)att.net)> wrote:



 	  Quote: 	
		  --> Europa-List message posted by: "h&amp;jeuropa" <butcher43(at)att.net (butcher43(at)att.net)>

 

 Will,

 

 The photo isn't visible.  What failed?

 

 Thanks

 

 Jim

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=496877#496877

 

 

 

 

 

 

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Wed Jun 17, 2020 9:54 am Post subject: Re: N460HJ wouldnt start this am

Replacement of the rubber carb flange is called out in the 5 year rubber replacement instruction.  There was a revision to the flange that is noted in SB 914-019 R1.



Brett from Leading Edge Air Foils suggested we replace the rubber pad under the expansion tank.  It is part no. 860 826.  Indeed, when we got it out the old one was rotted.



Jim & Heather

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