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»  Submarine weekend, Sheringham, Norfolk,30th and 31st of July 2022
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» WW2 mini sub build
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» Darnell U class wanted
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» New modeller looking for U-Class to build
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» K class plans
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» Radio ideas -27Mhz
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» 915mhz / 868mhz as a viable frequency for submarines.
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    +4
    Tom(ADMIN)
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    8 posters

      CSS PIONEER

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      Post  david f Mon Feb 20, 2012 8:32 am

      Looking really good, Nigel!

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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:32 pm

      [url=https://servimg.com/view/16856337/105]CSS PIONEER - Page 6 100_1457[/url,]

      This is the mould for the rubbing strip, I doubt that the boat was fitted with them, although some drawings I have seen do show them, but I have decided to fit them anyway. If nothing else it saves a lot of effort cleaning up the mould joints as these can be fitted over them.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:36 pm

      CSS PIONEER - Page 6 100_1458

      Rubbing strips fitted, bonded to the hull with gel coat.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:39 pm

      CSS PIONEER - Page 6 100_1459

      Another view with the rubbing strips in place.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:41 pm

      CSS PIONEER - Page 6 100_1460

      And another view of rubbing strips.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:52 pm

      CSS PIONEER - Page 6 100_1461

      Patter n for prop guard, again there is some debate as to whether or not the boat was fitted with one. I have come to the conclusion that it probably was, reason's beng that some acounts state that it was fitted with a towed charge, that being the case the tow line would likely end up being fouled by the prop. It would also seem logical as the Hunley was fitted with a prop guard, and the Hunley was a development of this boat, anyway that's my story and I'm sticking to it...officer.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:54 pm

      CSS PIONEER - Page 6 100_1462

      Another view of the prop guard pattern.
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      Post  nigele(ADMIN)2 Thu Feb 23, 2012 11:58 pm

      CSS PIONEER - Page 6 100_1463

      Mould for the prop guard, with gel and tissue applied.
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      Post  nigele(ADMIN)2 Fri Feb 24, 2012 12:02 am

      CSS PIONEER - Page 6 100_1464

      Another view of the prop guard mould being made.
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      Post  nigele(ADMIN)2 Fri Feb 24, 2012 12:06 am

      CSS PIONEER - Page 6 100_1465

      Veiw of prop guard, needs trimming.
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      Post  nigele(ADMIN)2 Fri Feb 24, 2012 12:12 am

      CSS PIONEER - Page 6 100_1510

      Another view of prop guard, it's very thin, I'm not sure if it will be strong enough. It's 1x tissue and 1x300 gsm.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 10:46 pm

      CSS PIONEER - Page 6 100_1511

      This is the mould for the keel, its a 9inch x 2inch block of MDF covered in alloy foil glued to a piece of plywood which is also covered in foil, it has shuttering down the centre as previously shown when doing the main hull.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 10:53 pm

      CSS PIONEER - Page 6 100_1512

      One half of the plug PVA'ed, allowed to dry and then gel applied,this is the same method previously used on the main hull.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 10:57 pm

      CSS PIONEER - Page 6 100_1513
      The finished mould with the first keel ready to be removed, same lay up as main hull, 1x tissue 2x300gsm.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:00 pm

      CSS PIONEER - Page 6 100_1514
      Another view of the first keel in the mould.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:04 pm

      CSS PIONEER - Page 6 100_1515

      The keel,prop guard,and rubbing strips,after being trimmed up.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:07 pm

      CSS PIONEER - Page 6 100_1516

      Another view of the trimmed parts.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:14 pm

      CSS PIONEER - Page 6 100_1517
      This is the pattern for the mounting for the explosive charge, this is made from alloy sheet detailed with rivets as previously described, note the raised edges...this is achieved by cutting thin strips of alloy foil and placing them along the edges, before covering the whole thing in foil, again it is on a plywood backer.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:18 pm

      CSS PIONEER - Page 6 100_1518

      Anoter view of the pattern, this is a one piece mould.
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      Post  nigele(ADMIN)2 Sat Mar 03, 2012 11:23 pm

      CSS PIONEER - Page 6 100_1519

      The finished mould,1x tissue,1x300 2x450 layup.
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      Post  david f Mon Mar 05, 2012 8:35 am

      Very nice work!

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      Post  Giovanni LiCalsi Sun Aug 19, 2012 8:26 pm

      Nigele,
      Brilliant build.
      How do you get such a perfect shape on the tapered metal bands on the ends of the hull?
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      Post  nigele(ADMIN)2 Mon Aug 20, 2012 10:24 pm

      Hi Giovanni
      I am not sure what you mean could you explain a litle more,many thanks
      Nigel.
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      Post  Giovanni LiCalsi Mon Aug 20, 2012 10:36 pm

      I would like to build this in oxygen-free copper sheet and was wondering how to get a tapered band made without a lot of waste.
      Possibly use paper card stock as a template ?
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      Post  nigele(ADMIN)2 Sat Sep 01, 2012 4:26 pm

      Hi Giovanni,
      sorry for delay I have been thinking about your question,can you give me some idea of the size you intend to make the hull,and are you going to use a core to wrap the copper round,this hull has overlapping plate's so it will require a lot of copper as you will need to make two cones instead of the one you would need if the plates where butted up.
      regards nigel.

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