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Author Topic: U.S.S. Arizona BB-39 Static build  (Read 21065 times)

Colin Bishop

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Re: U.S.S. Arizona BB-39 Static build
« Reply #25 on: January 02, 2017, 07:05:09 pm »

The largest calibre considered to be capable of manual loading was the 6 inch - 100lb shell.

There were some interesting discussions in the RN in the 1930s about new cruiser designs. Single mountings were considered to be more useful in some respects than turret mountings as they could be more widely distributed about the ship and less likely to be put out of action but the downside was that the gun crews would rapidly tire and rate of fire would soon fall off compared with power loading turret guns. Also the turrets provided weather protection although they were not armoured and just had splinter protection.

Colin
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ballastanksian

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Re: U.S.S. Arizona BB-39 Static build
« Reply #26 on: January 02, 2017, 07:13:30 pm »

Yes, lots of WW1 cruisers and support ships as well as a plethora of Pre WW1 ships had single mounts with shields, so much must have been learnt about these issues from serving those ships. I recall reading that the crews of AA guns on ships doing the run to and from Crete being absolutely exhausted even for fit and young bloks, and these were just 4 and 4.7inch weapons!

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Colin Bishop

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Re: U.S.S. Arizona BB-39 Static build
« Reply #27 on: January 02, 2017, 07:16:33 pm »

The effort needed in loading AA guns is documented as being particularly onerous as the shells needed to be pushed into the guns at high levels of elevation.

Colin
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #28 on: January 02, 2017, 08:18:55 pm »

Sounds about right Derek.  What amazed me is that these guns were crewed by 15 men  each!  Here is an original op manual for that gun: http://maritime.org/doc/destroyer/fiveinch/index.htm for those so inclined to read more detail.  Of note, note all detail is in the model.. such as sighting scopes, etc.  Can't have it all I guess.. still, not bad for this scale.  Dennis
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Colin Bishop

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Re: U.S.S. Arizona BB-39 Static build
« Reply #29 on: January 02, 2017, 10:18:39 pm »

I think the reason for the 15 men is to literally spread the load and keep up the rate of fire.

Colin
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derekwarner

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Re: U.S.S. Arizona BB-39 Static build
« Reply #30 on: January 02, 2017, 11:45:10 pm »

mmmmmmm Chapter 30 of the 5" gun mount Manual notes.... "the 54-pound weight of the projectile".....  <*< & quite a bit heavier than I thought for AA mounts

[54 pounds is also the nominal weight of projectiles used in the Vickers 4.5" single and twin automatic gun mounts]..... I remember only to  well lifting <*<  dummy rounds in the same gun mount during refit of the mount on HMAS Parramatta]

The Manual doesn't mention, but I think all personal tasked as loaders would need to be right handed as the projectile is lifted and balanced over the left forearm 8) 

Derek
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Derek Warner

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ballastanksian

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Re: U.S.S. Arizona BB-39 Static build
« Reply #31 on: January 03, 2017, 10:08:17 pm »

Interesting reading chaps!
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #32 on: January 09, 2017, 06:20:58 am »

Lost in details.... so much to assemble and fit.  Have to say this Trumpeter kit is amazing and parts fit very well.  I have installed the mid deck and all 10 five inch cannon.  Hard to see the cannon detail, but its there.  I also completed the stern catapult.... this is a PE replacement assembly from the upscale kit I purchased from MK-1.  Nicely made out and very delicate.  A real positive change from the plastic casting original.. well worth the price to upgrade I think.  I'll have a better picture of that cat later.  This thing is keeping me busy.  Looks like I will have the model together in a few months maybe.  Next project??  Dennis
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #33 on: January 09, 2017, 06:21:35 am »

more.
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #34 on: January 09, 2017, 06:22:03 am »

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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #35 on: January 10, 2017, 05:19:50 am »

This PE work from the upscale kit is like working with fine filliagree.   I've never work with finer except for the 350/1 scale Minesweeper model.  I use CA to weld the metal parts together, trying not to make a mess with it.  Its maddening, but somehow I slowly get it on there. piece by piece.  Wine does help some.  D.
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ballastanksian

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Re: U.S.S. Arizona BB-39 Static build
« Reply #36 on: January 10, 2017, 09:21:17 pm »

Pretty tidy work Dennis. PE can get very warped and rubbish looking if you don't work with care. Lovely  :-))
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #37 on: January 12, 2017, 10:42:49 pm »

Aft crane finishes out, interior is painted, hard to see, but there is framing inside, very tedious, but good result.  I had to add additional reinforcement framing not included in kit.  Cheers, Dennis
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #38 on: January 12, 2017, 10:43:14 pm »

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ballastanksian

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Re: U.S.S. Arizona BB-39 Static build
« Reply #39 on: January 14, 2017, 02:06:09 pm »

Where would we be without Etched metal! I remember a friend soldering loads of bits of brass together to construct parts for an architectural model and these days you can design your own etched frets and save hours of time.

Lovely job Dennis.
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #40 on: January 14, 2017, 06:55:20 pm »

Thank you kind sir.... true.. true... PE is a huge jump towards fine scale work on any model.  Yes, you can purchase the equipment to make your own and even 3D parts.. its endless and so is the pocketbook. (not mine).  Working at 1/200 scale is nice, but you get a huge model and I'm running out of room in our home.. case upon case of model ships.. I think I have a maritime museum.  I did one model at 1/350, including PE parts. Talk about tiny parts, it was a real stretch to build something like that, but the model size is really small and I could build me a fleet of battleships at that scale and some folks do.  Cheers,  Dennis
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #41 on: January 14, 2017, 09:08:52 pm »

Working on the second of the two aft cranes.  One of those cranes will be used to lift the aircraft onto the catapult that is mounted on top of number two turret.  At first, I didn't think it would be large enough or have enough reach, but it does, easily.  I paint the inside of the PE before folding to 3D.  Those PE simulated cables are might fine, but work great.  Dennis
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #42 on: January 14, 2017, 09:09:28 pm »

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ballastanksian

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Re: U.S.S. Arizona BB-39 Static build
« Reply #43 on: January 15, 2017, 10:30:08 pm »

Is the serrated edge of part of the crane jib rivet detail? If so fantastic.
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #44 on: January 15, 2017, 10:47:37 pm »

Oh, that is just pixalation in the digital file.  However, on the other side is the outside after folding and yes, there are rivets... it is that detailed.  D.
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Bob K

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Re: U.S.S. Arizona BB-39 Static build
« Reply #45 on: January 15, 2017, 10:53:26 pm »

Remarkable.  Definitely the high standard I have admired from your previous builds.
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #46 on: January 16, 2017, 08:15:05 pm »

Mid Cranes are now completed.  Very fiddly, but am happy with the detail.  On to the main guns now.  Dennis
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #47 on: January 16, 2017, 08:15:31 pm »

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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #48 on: January 17, 2017, 07:56:33 pm »

First turret is together.  I had to scrape off the molded plastic railings and ladders, then drill holes for the PE railings on the shell top and add PE ladder on the Port side only.  The barrells are aluminum and beautifully rendered... why would I even want them to be brass?  Going to paint.  Top of the turret shell will be red (this was done in order to identify each flight squadren I believe.. easily spotted from the air), rest will be dark grey.  Trumpeter gives you a choice if either rendering the barrells with boots on or off.  I have pictures of the actual ship done both ways.  I think the boots on look is better.  Boots will be painted light tan or canvas color.
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dlancast

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Re: U.S.S. Arizona BB-39 Static build
« Reply #49 on: January 17, 2017, 07:56:57 pm »

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