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HMS Cottesmore, 1:48 Hunt Class minesweeper

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HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Mon Oct 29, 2012 10:28 am

Hi,

A big thanks to rob for the info already received about this class of minesweepers. I've got the plans, the plasticard, and I'm finally beginning then build.

It's going to be in a slightly odd order, because I couldn't afford to get the hull first, so I've built a jig to raise the deck as though the building board was at the waterline. That way I can build on top of the deck with its correct camber... at least, that's the plan. Here's hoping the deck fits onto the hull when I get it. At least, it's true to the plans, so hopefully it won't be an issue.

The aim is to build all the main s/s components and the big things on top of the deck, then fit it all onto the hull early new year, getting the fittings packs from sirmar as I go.

The plans look really good. Very impressed how easy it's been to get the measurements I need.

Anyway. Here are some pics of the build so far. (First time I've tried to upload images, so hope this works!)

Marking out the deck on 2mm plasticard

Image


Another shot

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And a few pics of the waterline jig I'm using to get the deck right...

Image


Image


Marking out the coaming location for the main superstructure

Image


Have started putting coaming on now, so will try and get some pictures of that up when it's done. Have found that rolling plasticard over edge of table will allow me to put some curve in.

Pleased with how it's going so far. (Although it took me ages to find a good way to draw 4 metre radius arcs reliably! - even illustrator won't cope with that)

Cheers

Rob
Last edited by robdurant on Mon Apr 08, 2013 3:21 pm, edited 1 time in total.
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Mon Oct 29, 2012 10:44 am

The Jecobin plans don't seem to have a complete set of deck arcs, and I'm keen to put the curvature into the deck.

I've been trying to work out what the deck arcs should look like at each frame based on difference between height of centre of deck and edge of deck and the width of the deck in those places. The radii of the curves are massive, to the point where even Adobe Illustrator couldn't cope with drawing them, so I did them at 1:480, then scaled up to 1:48 as a PDF. I had to teach myself to use Illustrator on the trial edition. I ended up double-sided taping this to card, then cutting out and using it to guide the scalpel on the styrene frames.

Seemed to work okay. Time will tell.... :S

Ended up looking like this:

http://www.durant.biz/Cottesmore_deck_templates_1_48.pdf
Last edited by robdurant on Mon Oct 29, 2012 10:45 am, edited 1 time in total.
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby Rob on Mon Oct 29, 2012 1:14 pm

Thanks for posting Rob looking forward to the rest of the build
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Fri Nov 02, 2012 11:08 pm

Made a good start on the main superstructure today. Sides on. First attempt ditched, and a second attempt underway for the front. First attempt would have resulted in totally out-of scale width on sides of bridge. Will try to upload pics tomorrow. Decided to use 1.5mm plasticard for front, then put 0.5 mm onto the front of it for parts that come off the sides of the bridge.

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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby adamD98 on Fri Nov 02, 2012 11:40 pm

Nice build Rob, looking forward to seeing more. I've considered one of these for quite some time now... :)
Cheers,

-Adam-
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Sat Nov 03, 2012 4:22 pm

Thanks Adam,

As promised - a pic of the s/s so far. The top template hasn't been glued in yet, it's just sitting on the top. Sides are on, though. Not sure how heavy I can get away with this being, so I might drill a few more big holes in the stiffener before I glue the top on yet...

Also need to think about putting nav lights in :)

Image
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby Rob on Sat Nov 03, 2012 5:52 pm

I would think weight wont be a problem on this short and stubby hull
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby Rex_Hunt on Tue Nov 06, 2012 12:17 pm

Large diameter curves?
Try a model railway shop for a template called a tracksetta.
Not sure of the set diameters but may be worth a look.

https://railsofsheffield.com/manufacturer-tracksetta-JJJM78.aspx


Cheers
Rex
Last edited by Rex_Hunt on Tue Nov 06, 2012 12:19 pm, edited 1 time in total.
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Tue Nov 06, 2012 5:28 pm

Thanks Rex, they look helpful.

Had to break off to build a new shelf - turns out fish tanks don't like heavy building boards sat on top... the sides had started to bow out. I'm not sure I'd be flavour of the month if the tank burst! Having put a shelf up to take the weight instead, I'm back on track :)

Putting the templates on top of the S/S to support the deck once it's put on. Pics soon.
Last edited by robdurant on Tue Nov 06, 2012 5:28 pm, edited 1 time in total.
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Re: HMS Cottesmore, 1:48 Hunt Class minesweeper

Postby robdurant on Thu Nov 08, 2012 11:58 am

Here are a couple of pics of the s/s with the deck on. Quite please with how it's turned out.

Need to sand down the coaming as it's lifting the structure off the deck a little, but otherwise, all ok :)

Image


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