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Author Topic: Casablance Class Carrier - A Glynn Guest Design.  (Read 34773 times)

TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #50 on: March 15, 2015, 12:48:20 pm »

Thanks Stan,  the GG version doesn't have the same curve on the bow but the shape's not unattractive. 
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #51 on: March 15, 2015, 12:50:09 pm »

Reminds me of your Old Herald.

There was never that much filler in any of my Heralds.  Now that old Mini van of mine was 20lbs of filler and 4000 pop rivets flying in formation!
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steve pickstock

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #52 on: March 15, 2015, 01:37:21 pm »

Ah yes the mini, I mis-remembered.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #53 on: March 15, 2015, 05:04:28 pm »

A red letter day as I've finally started painting the hull.  I needed to fit four sponsons which are a distinctive feature on the Casablanca class.  I used a Polyurethane block material that we use for model work.  We know it as Prolab but it's also sold as Modelboard or Urial. (see pics G023, G024)   These attached, I had at it with automotive filler primer.  I was quite pleased with the finish on the Resin coating, there are a few defect in the surface which I'll catch with a glazing putty by 3M.  When this is rubbed down with Wet & Dry paper I'll continue priming with regular grey primer.  Hope fully I won't need many coats to get a decent finish. (see G025, G026).
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mark w

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #54 on: March 20, 2015, 04:09:43 pm »

Lookin' good  :-)) .
 
Mark
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #55 on: April 01, 2015, 04:21:37 pm »

Sorry about the delay in up dates.  The last couple of weeks have been so busy that my spare time was getting to feel like my day job so I've not been hard at it the way I should.  I added 2 coats of Halford's grey primer and used the knifing putty to repair any little dings. (I've been using 3M's red glazing putty, which works really well.  I'm used to the grey Holt's putty but I think the 3M is superior,. Just my opinion, other knifing putties are available!)   Then rubbed it down using 600 grade wet and dry.  After that I added another coat of grey primer (See pics G027 and G028)  which will get rubbed down with 1200 or 1500 grade W&D.  I hoping to have the upper superstructure and flightdeck started soon, hopefully in time for Whitwick.  If it's ready I'll put it on the club stand as a WIP.  So have a butcher's if you're passing!
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frankv

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #56 on: April 01, 2015, 05:39:42 pm »

That is beautiful work. 
The hull looks smooth as glass.
 :-))


Best Regards,


Frank
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #57 on: April 01, 2015, 05:53:35 pm »

That is beautiful work. 
The hull looks smooth as glass.
 :-))


Best Regards,


Frank



Thanks Frank!  It isn't, I assure you but it's not bad.  I got quite a complex Camo scheme to put on and it'll help if the hull's good and smooth when you mask off.
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Stan

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #58 on: April 01, 2015, 06:10:15 pm »

Hi tailuk. The scheme applied to these carriers    does take some time to apply speaking from experience. I am sure you will do the model proud. Have started to build the U S S Whitehall  a Patrol Craft Escort in the  same scale has Gambier Bay it only measures 23in long and 4in beam. I have two posts running at the moment one on the Whitehall and the German Minesweeper if you wish to take a look. Take care look forward to more pictures.


Stan
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #59 on: April 03, 2015, 10:50:20 am »

I've been asked about a feature on Guadalcanal's bow showed below in the model and from a GA drawing of CVE 90 Thetis Bay.  I believe it's some kind of cutwater but I'm prepared to stand corrected.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #60 on: April 05, 2015, 07:08:25 pm »

Here's a picture of USS White Plains CVE66.  Which shows the feature fitted to a Casablanca class. It's difficult to tell from the available photos of the class how many ships that were fitted this way.  I'm beginning wonder if it was some kind of remedial strengthening, that means it may not be on all the ships in the class.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #61 on: June 10, 2015, 05:43:25 pm »

I'm back!  The students are winding down in the workshops and setting up their Final Year Degree Show. Not as much call on my time now so it's back to the Casablanca.
When we last heard from our hero he was sitting in the spray booth sporting a coat of Halford's grey primer.  As I sat down to ponder the next move I realised I hadn't added the bulwarks at the bow.  Making sure that it would stick properly meant sanding back the primer, so much for the careful rubbing down.  I transfer the profile onto thin card and super glued it into place then and another layer behind that and saturated the whole thing with superglue.  When that was set I found the card to have stiffened considerably and I'd estimate it's almost as strong as a thin piece of plastic sheet.  The anchor hawse pipes were drilled out and lined with plastic drinking straw. when the chain stoppers are fitted to the decks and the raised surround fitted to the outside, the straw will be complete invisible.  I laser cut the surrounds of the freeing ports which are prominent on the Casablanca and glued them with superglue (later I'll open them up with a Dremel tool) See G029.

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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #62 on: June 10, 2015, 05:54:57 pm »

One of the things that has me concerned is that when the upper works and all the detail, the flight deck and aircraft are added that The Guadalcanal will be a teeny bit top heavy so I'm trying to keep the weight down as much as possible.  I came in to some 0.8 mm ply which was in big enough pieces to be useful.  I constructed a "sandwich" with ply and blue Styrofoam insulation.  This was fitted around the raised coaming and tall enough to come up to the flight deck level.  Glued together with epoxy this made a surprisingly  stiff assembly  I made this a loose fit and then used small ply strips to "space" the sides to fit to the top of the hull. ( see G030, G032)  the second photo shows the superstructure lifted away which will allow access to the gubbins.  With the appropriate bracing it will possible to lift it off using the underside of the forward and stern parts of the flight deck.
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ballastanksian

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #63 on: June 10, 2015, 09:06:25 pm »

Glad to see you back and at it again!
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #64 on: June 17, 2015, 06:14:47 pm »

The superstructure needed one or two additions before I could stick it down to the underside of the flight deck.  These were shaped from Styrofoam and clad in the thin ply, all stuck with epoxy.  I was amazed how rigid the structure is.  I cut the first layer of the flight deck and added some holes to this layer to save weight and assist with gluing. The ply was "tacked" down to a piece of 25mm MDF with a light zizz of Spray Mount, to ensure it was flat and then a liberal dose of epoxy and the superstructure was positioned and weighted down. (pic G034)   When the glue was set (24 hours)  I Laser cut the support pieces for the front and back edges of the flight deck.  (see pics G035, G036)  These are somewhat simplified than the prototype but they stiffen the thin ply at that point (where it will be lifted on and off) and gives the impression of the original. They are mostly unseen when the flight deck is in place!  While I was on the laser cutter I etched a couple of pieces of the top layer of the flight deck.  These two sections have the A/C elevators on them ( see pic G037) This is the stern lift! 
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ballastanksian

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #65 on: June 17, 2015, 09:02:26 pm »

The deck detail is amazing! I can see aircraft being tied down on that like the real things.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #66 on: June 23, 2015, 08:07:38 pm »

Thanks for the comments.  the flight deck came out pretty well despite being a faff to do.  I've posted a close up.  (see pic G041)
I started the bridge while I was waiting for glue to set.  The same thin ply was used assembled with super glue (see pic G040)  I also began to fit the "galleries"  The catwalks that ran down either side of the flight deck.  I cut a small square section of Styrofoam and once that was glued in place I've begun "skinning" it in thin ply. (see pic G039)   I'll laser cut the actual catwalks and they'll fit on the underside of the foam sections
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ballastanksian

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #67 on: June 23, 2015, 09:48:04 pm »

Does the actual cutting take place in a Co2 atmosphere? I ask because the tie down strips are so finely cut that I am surprised the fine bits actually survived the heat! I assume they are etched and not burnt right through?

Lovely work.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #68 on: June 24, 2015, 08:52:14 am »

The low powered cutters work on room air.  There's a compressor blowing air at the contact point which does help cool the cut.  The tie downs actually didn't come out as good as I would have hoped as I forget to designate the line around them as invisible and the laser traced it in.  The detail is engraved (it's about through the first ply) so losing the bits isn't a problem.  The cutter we have has 2 settable values, speed and power. The slower the speed and the higher the power means the laser will cut deeper.  For example at 1% speed and 100% power it would cut right through.  For my job I had the speed at 35% and power at 90%. It did still take an hour to engrave 1 section and there were 5 to do!.
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ballastanksian

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #69 on: June 24, 2015, 09:57:29 pm »

Look on the bright side, you can say you were testing the machine before the start of the new year to make sure it was working properly!

TTFN, Ian:O)
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Mad Scientist

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #70 on: June 25, 2015, 10:15:03 pm »

Here's a link to a description of USS Guadalcanal's career, including an account of the capture of U505: http://www.hazegray.org/danfs/carriers/cve60.txt

Tom
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #71 on: July 14, 2015, 06:15:31 pm »

Back to work on the boat today, after a week of scene shifting around the school.  We're preparing for graduation and our keenly honed and multi skilled technical staff are turned into porters for every academic who can't figure out how to move a table.  {:-{ {:-{ {:-{  Best paid removal men in the business.  >>:-(
I've been back on the laser to cut the galleries.  These catwalks were a feature of American carriers, long walkways just off the edge of the flight deck usually loaded down with 20 and 40 millimetre AA guns.  In the case of the Casablancas, 8 twin 40mm Bofors and 20 single 20mm Oerlikons. 
I manage to squeeze them onto my last big piece of 0.8mm ply.(see pic G0042)
Once cut these are glued onto the underside of the foam spacers added previously. (see pic G0045)
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derekwarner

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #72 on: July 14, 2015, 10:59:05 pm »

....& Tailuk says....."every academic who can't figure out how to move a table"....but can they tie their shoe laces?  :o

Progress is good on the carrier......have just re-read the build, I see mention of different glues, but what type of wood glue are you using?...Derek
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #73 on: July 15, 2015, 09:11:02 am »

I mostly use what readily available.
 Where there is no possibility of contact with the water,  White P.V.A. 
Where there might be contact with water Polyurethane wood glue.
For small details and awkward joints various thicknesses of Super Glue.
And where there is Styrofoam involved, what ever kind of Epoxy is in stock!

That may be a bit dogmatic,  I tend to grab whatever is to hand, plus whatever the students haven't used up or taken away.
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TailUK

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Re: Casablance Class Carrier - A Glynn Guest Design.
« Reply #74 on: July 15, 2015, 09:13:40 am »

....& Tailuk says....."every academic who can't figure out how to move a table"....but can they tie their shoe laces

It's interesting that slip ons are popular with our academics and those trainer that have Velcro on them.  Suffice it to say They could run a p**s up in a brewery if we were there to open bottles for them!
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