fv1609 Posted May 12, 2014 Share Posted May 12, 2014 What's this all about? Quote Link to comment Share on other sites More sharing options...
N.O.S. Posted May 12, 2014 Share Posted May 12, 2014 Och - I ken I knoo………….. Quote Link to comment Share on other sites More sharing options...
marvinthemartian Posted May 12, 2014 Share Posted May 12, 2014 Some sort of electrical insulator? Quote Link to comment Share on other sites More sharing options...
Degsy Posted May 12, 2014 Share Posted May 12, 2014 A chanter? Quote Link to comment Share on other sites More sharing options...
g0ozs Posted May 12, 2014 Share Posted May 12, 2014 An antenna base ? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 Och - I ken I knoo………….. I'm afraid you don't Tony :-D Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 Some sort of electrical insulator? Very good yes it is indeed. Quote Link to comment Share on other sites More sharing options...
Chrisg Posted May 12, 2014 Share Posted May 12, 2014 Spark plug insulator Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 A chanter? Nothing musical Derek Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 An antenna base ? It could be but a bit smaller than that. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 Spark plug insulator Yes well Done Chris very good. But there is something special about it Quote Link to comment Share on other sites More sharing options...
marvinthemartian Posted May 12, 2014 Share Posted May 12, 2014 The material it's made from? Looks like some sort of ceramic to me. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 The material it's made from? Looks like some sort of ceramic to me. Yes quite correct, but it is displaying a particular feature of note. Quote Link to comment Share on other sites More sharing options...
Chrisg Posted May 12, 2014 Share Posted May 12, 2014 Two different materials Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 Two different materials No its the same material Chris Quote Link to comment Share on other sites More sharing options...
Degsy Posted May 12, 2014 Share Posted May 12, 2014 Nothing musical Derek I've got pipes on the brain at the moment due to the Millin-Montgomery 70th Voyage which is scheduled to dock in the marina in Conwy tomorrow. This is the site where a lot of early research and subsequent manufacture of the Mulberry Harbours took place. Quote Link to comment Share on other sites More sharing options...
marvinthemartian Posted May 12, 2014 Share Posted May 12, 2014 May be wrong, but the same ceramic as the Space Shuttle tiles? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 I've got pipes on the brain at the moment due to the Millin-Montgomery 70th Voyage which is scheduled to dock in the marina in Conwy tomorrow. This is the site where a lot of early research and subsequent manufacture of the Mulberry Harbours took place. That was certainly clever stuff. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 May be wrong, but the same ceramic as the Space Shuttle tiles? I've no idea, but the feature of this particular example is more down to earth :-D Quote Link to comment Share on other sites More sharing options...
Rangie Posted May 12, 2014 Share Posted May 12, 2014 Removable insulator possibly? Sealed down with a backing ring, before the two-part lodges appeared? Alec Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2014 Author Share Posted May 12, 2014 Removable insulator possibly?Sealed down with a backing ring, before the two-part lodges appeared? Alec This is the inside of an RSN12Y Alec, but there is something special about this particular insulator. Quote Link to comment Share on other sites More sharing options...
andym Posted May 13, 2014 Share Posted May 13, 2014 It's failed and tracked to earth? Andy Quote Link to comment Share on other sites More sharing options...
Rangie Posted May 13, 2014 Share Posted May 13, 2014 The circumfrential black ring? A cracked insulator, someone being careless with plug leads? Alec Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 13, 2014 Author Share Posted May 13, 2014 It's failed and tracked to earth? Andy Yes Andy quite correct, a dud plug Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 13, 2014 Author Share Posted May 13, 2014 The circumfrential black ring? Yes Alec absolutely correct & hidden from view until dismantled A cracked insulator, someone being careless with plug leads? AlecOn an unscreened plug Alec you could be quite right. But in this instance I think it must have been dropped as this screened plug protects the insulator. But you are right that careless use of the plug leads can cause trouble even on a screened plug as the mica collar can get abraded & tracking occur. The worst thing to do is to blow air into the plug socket as this can rip the mica away & shred it or at least make it thinner. Quote Link to comment Share on other sites More sharing options...
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