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Member postings for Hopper

Here is a list of all the postings Hopper has made in our forums. Click on a thread name to jump to the thread.

Thread: Search for 'buried Spitfires' in Burma called off
17/02/2013 06:16:24

Oh, and I had forgotten about the Japanese submarine that sank off the Australian coast near Fraser Island in WW2. It contains tons and tons of very valuable mercury, used for balasting etc. But still had enough air trapped inside to have just less than neutral buoyancy. So, according to local scuba divers, they keep finding what they reckon is the hulk of the submarine in a tidal trench. But when they go back with salvage gear, it is never in the same place twice, sliding up and down various tidal trenches for miles underwater as the current flows between the island and the mainland. Apparently theyre is a network of criss-crossing underwater trenches out there so it is like looking for a needle in a haystack. But if a person could actually find, blimey that mercury would be worth a fortune...

Thread: Is an old lathe worth bothering with ?
16/02/2013 10:40:49

I just finished tidying up my father's 1939 Drummond M-type and it does a superb job. Cuts exacty to size and does a beautiful job - once the headstock bearings were correctly adjusted. And modern flat belt materials grip heaps better than the old leather jobs.

It spent most of its life as a hobby lathe with only occasional use to make motorbike parts etc when needed, after starting life in a UK aircraft factory during the war. So has given good service yet the ways etc are little worn. The brass halfnut is the only thing I shall have to replace eventually.

By comparison, my brother bought a $1200 Chinese lathe and curses it every time he uses it. Reckons it cuts right on size one cut, way undersize the next cut way oversize the next etc.

Of the two, I would take the Drummond any day.

Thread: Search for 'buried Spitfires' in Burma called off
16/02/2013 10:20:12

Well, I know of at least two sites in Australia where there are loads of 1942 military Harley-Davidsons buried, all wrapped in Cosmoline, still in their crates. The Yanks used them to fill in the swamps so they could build aircraft runways over the top. Then at the end of the war when the Yank ships headed home, they simply heaved all the leftover crated Harleys over the side into the harbour.wink

Thread: A wee bit of hot air
16/02/2013 10:15:10

Thanks Ian.

I had not realised you could just use mild steel for the dsplacer. Might make life a bit easier, but I like the battery case idea so might try that too.

14/02/2013 02:17:12

Lovely little engine, Ian.

What did you use for a displacer inside the AA battery casing?

Will a AAA battery casing work, or is it too small?


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