Europa-List Digest Archive

Tue 01/22/08


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 01:26 PM - Re: Silencer position in cowl (david park)
     2. 02:36 PM - Re: John Hurst at Sebring (rampil)
     3. 03:54 PM - Re: Silencer position in cowl (ALAN YERLY)
     4. 05:32 PM - Re: Silencer position in cowl (Keith Hickling)
 
 
 


Message 1


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    Time: 01:26:39 PM PST US
    From: david park <dpark748@hotmail.co.uk>
    Subject: Silencer position in cowl
    Hi Keith, Yes my silencer sits in a similar place but there is about a 1cm gap betwee n the bottom of the silencer and the lower cowl you describe. It is near th e edge of the curve downwards and I am hoping there is enough clearance as the engine vibration forces I expect are going to be mostly rotational?. I have taken the outlet pipe out just above the recessed area., If there is a problem later the cowl will have to be modified with a bubble later. Let me know if you find an alternate remedy! Regards Dave Park, Manchester UK t: Europa-List: Silencer position in cowlTo: europa-list@matronics.com Hello all, The silencer (muffler) on my XS / 912 uls (the new oval section silencer) s its forward of the moulded recess in the cowl. The front of the silencer is touching the cowl on the outboard side, forward of the recess. The straigh t outlet pipe from the silencer would exit several cm above the moulded rec ess. The silencer could not move any further back, as it has only a few mm clearance from the bottom attachment of the ring mount. Photo attached. I presume this is a result of having the oval section silencer instead of t he round section one. Have others had this problem, and if so what have you done? Keith Hickling, New Zealand.


    Message 2


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    Time: 02:36:49 PM PST US
    Subject: Re: John Hurst at Sebring
    From: "rampil" <ira.rampil@gmail.com>
    Hi All, John is the Sales Manager for Light Sport Aircraft at Lockwood for something more than a year now. It was heartening for me to see him land on his feet after being screwed like so many others in our community by "he who shall not be named." This new job keeps him pretty busy, but I have noticed he is still happy to see Europaphiles! (We still do a lot of business with Lockwood for Rotax parts, etc!) -------- Ira N224XS Read this topic online here: http://forums.matronics.com/viewtopic.php?p=159851#159851


    Message 3


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    Time: 03:54:09 PM PST US
    From: "ALAN YERLY" <budyerly@msn.com>
    Subject: Re: Silencer position in cowl
    Keith, The new mufflers occasionally get very close as yours has. I've had to modify two cowls in the shop. My problem is usually with the motor mount placement and cowl fit. The farther aft the cowl, the closer the exhaust. I have gotten away with moving the cowl to the starboard once but don't count on being that lucky. Take care you don't force it out of alignment and cause an exhaust leak. My solution is to cut a hole and take the intake bump on the port side and extend it to the 914 cowl bulge for the round muffler. It's a half day job over a weekend. Cut the cowl, add foam to contour. Glass the outside, let cure, cut out the foam, and glass the inside. Put firewall material (aluminum/stainless with heat barrier between, sold at Aircraft Spruce for a fortune) then finish. Bud Yerly Custom Flight Creations ----- Original Message ----- From: Keith Hickling<mailto:keithhickling@clear.net.nz> To: Eurpoa List<mailto:europa-list@matronics.com> Sent: Monday, January 21, 2008 6:54 PM Subject: Europa-List: Silencer position in cowl Hello all, The silencer (muffler) on my XS / 912 uls (the new oval section silencer) sits forward of the moulded recess in the cowl. The front of the silencer is touching the cowl on the outboard side, forward of the recess. The straight outlet pipe from the silencer would exit several cm above the moulded recess. The silencer could not move any further back, as it has only a few mm clearance from the bottom attachment of the ring mount. Photo attached. I presume this is a result of having the oval section silencer instead of the round section one. Have others had this problem, and if so what have you done? Keith Hickling, New Zealand.


    Message 4


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    Time: 05:32:25 PM PST US
    From: Keith Hickling <keithhickling@clear.net.nz>
    Subject: Re: Silencer position in cowl
    Bud, Steve and David, Many thanks for your advice. I'll cut a hole and reglass the cowl. Good to know I haven't made a goof somewhere! Regards, Keith ----- Original Message ----- From: ALAN YERLY To: europa-list@matronics.com Sent: Wednesday, January 23, 2008 12:47 PM Subject: Re: Europa-List: Silencer position in cowl Keith, The new mufflers occasionally get very close as yours has. I've had to modify two cowls in the shop. My problem is usually with the motor mount placement and cowl fit. The farther aft the cowl, the closer the exhaust. I have gotten away with moving the cowl to the starboard once but don't count on being that lucky. Take care you don't force it out of alignment and cause an exhaust leak. My solution is to cut a hole and take the intake bump on the port side and extend it to the 914 cowl bulge for the round muffler. It's a half day job over a weekend. Cut the cowl, add foam to contour. Glass the outside, let cure, cut out the foam, and glass the inside. Put firewall material (aluminum/stainless with heat barrier between, sold at Aircraft Spruce for a fortune) then finish. Bud Yerly Custom Flight Creations ----- Original Message ----- From: Keith Hickling To: Eurpoa List Sent: Monday, January 21, 2008 6:54 PM Subject: Europa-List: Silencer position in cowl Hello all, The silencer (muffler) on my XS / 912 uls (the new oval section silencer) sits forward of the moulded recess in the cowl. The front of the silencer is touching the cowl on the outboard side, forward of the recess. The straight outlet pipe from the silencer would exit several cm above the moulded recess. The silencer could not move any further back, as it has only a few mm clearance from the bottom attachment of the ring mount. Photo attached. I presume this is a result of having the oval section silencer instead of the round section one. Have others had this problem, and if so what have you done? Keith Hickling, New Zealand.




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