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JL2A
Joined: 07 Apr 2015
Posts: 113
Location: Australia
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 Posted: Tue Mar 22, 2016 2:53 am Post subject: Mismatched and chewed up mags. |
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Take a look at these pictures - for me one is marked as a 25° and the other a 26° magneto (CD-5).
Can you have two differently timed magnetos on the one engine as long as they are timed to the engine at the appropriate setting?
This is on an engine overhauled in 2014 in China, and shipped straight to us. Also it appears the shower of sparks lead screw in the distributor cap was not done up, then the engine was turned or even run like this and it chewed up the top of the rotor.
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dsavarese0812(at)bellsout
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| Posted: Tue Mar 22, 2016 4:04 am Post subject: Mismatched and chewed up mags. |
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Yes, you can have two differently timed magnetos on the same engine as long as they are timed properly on the engine. The difference is only .7 degrees (6.2 vs 6.9).
And yes, someone definitely forgot to tighten the shower of sparks lead screw before placing the distributor cap in place on the magneto.
Dennis
From: JL2A <info(at)flyingwarbirds.com.au>
To: yak-list(at)matronics.com
Sent: Tuesday, March 22, 2016 6:53 AM
Subject: Mismatched and chewed up mags.
--> Yak-List message posted by: "JL2A" <info(at)flyingwarbirds.com.au (info(at)flyingwarbirds.com.au)>
Take a look at these pictures - for me one is marked as a 25° and the other a 26° magneto (CD-5).
Can you have two differently timed magnetos on the one engine as long as they are timed to the engine at the appropriate setting?
This is on an engine overhauled in 2014 in China, and shipped straight to us. Also it appears the shower of sparks lead screw in the distributor cap was not done up, then the engine was turned or even run like this and it chewed up the top of the rotor.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=453981#453981
Attachments:
http://forums.matronics.com//files/img_0927_157.jpg
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http://forums.matronics.com//files/img_0925_100.jpg
http://forums.matronics.com//files/img_0924_496.jpg
--> http://www.matronics.com/Navigator?p; --> http:========================http://www.ma======================
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cjpilot710(at)aol.com
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| Posted: Tue Mar 22, 2016 7:45 am Post subject: Mismatched and chewed up mags. |
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And you can use Chinese mags on the M14P. You can even mix mags - one Chinese and one Russian, which I had to do on one occasion. As Dennis points out they to be individually timed on the engine.
Jim "Pappy" Goolsby
In a message dated 3/22/2016 8:04:41 A.M. Eastern Daylight Time, dsavarese0812(at)bellsouth.net writes:
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JL2A
Joined: 07 Apr 2015
Posts: 113
Location: Australia
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| Posted: Wed Mar 23, 2016 4:09 am Post subject: Re: Mismatched and chewed up mags. |
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Thanks all, yes I never dwelled on that little word in the maintenance manual 'if'
In the sentence 'if the magnetos have equal timing....'
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