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PostPosted: Wed Jul 09, 2014 12:38 am 
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Oh yeah Perth was great. You remember all those girls on the pier when the boats unloaded...Unbelievable


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PostPosted: Wed Jul 09, 2014 12:54 am 
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Aparently it was used to evaluate the survivability of supercarriers to damage. Word has it that it did contribute extensive data in that regard.
What squadron were you in? I had a bootcamp mate in VA-87. His name was Dennis Gravate.


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PostPosted: Wed Jul 09, 2014 12:58 am 
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Joined: Tue Feb 01, 2011 2:48 pm
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Location: Lusby, MD USA
zadmiral wrote:
Oh yeah Perth was great. You remember all those girls on the pier when the boats unloaded...Unbelievable


Yes, yes I do!!! I got lost in them myself. My best friend and I were standing shoulder to shoulder and by the time we got to the bottom of the stairs we lost each other in the melee!

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Good Modeling!

Michael Clare

On the Ways:
Scratch-building: 1/192 USS America CV-66

Finished:
Scratch-built: 1/192 USS Arcadia AD-23
Kits: 1/350 Adm. Kuznetsov & USS Wasp LHD-1


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PostPosted: Wed Jul 09, 2014 1:00 am 
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Location: Lusby, MD USA
zadmiral wrote:
Aparently it was used to evaluate the survivability of supercarriers to damage. Word has it that it did contribute extensive data in that regard.
What squadron were you in? I had a bootcamp mate in VA-87. His name was Dennis Gravate.


I was in VS-33. I worked on the flight deck and hanger bay. I did pop my head into CIC and played with the scopes a bit.

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Good Modeling!

Michael Clare

On the Ways:
Scratch-building: 1/192 USS America CV-66

Finished:
Scratch-built: 1/192 USS Arcadia AD-23
Kits: 1/350 Adm. Kuznetsov & USS Wasp LHD-1


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PostPosted: Thu Jul 24, 2014 8:15 pm 
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A note on the Montana hull as planned... It was not to be slab sided as in the Iowa's but with the inclined armor main belt on the outside with the lower hull bulged out below the waterline. Page 176 of Garzke-Dulin has a good hull profile should you not have one to hand already.

Have fun! quite A project!

Regards: Tom


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PostPosted: Fri Jul 25, 2014 4:06 am 
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yes my hull follows the G&D profile. Slab siding would have added resistance and cost about 0.3 knts.
I also researched the rudder placement. The Iowa's were notoriously poor maneuvering ships at slow speeds due to the rudders being on the inside race of the inboard props. The Montanas put the rudders on the outboard race of the inboard props for better low speed maneuverability


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PostPosted: Sun Jul 27, 2014 12:40 am 
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I suspect that the skeg tunnel sucked down the stern in shallow water. That and the skegs probably became resistant to swinging the stern with no escape at the bottom. For both strength and possible additional underwater protection it was decided to retain the skegs.

Interesting project!

Cheers: T


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PostPosted: Sun Jul 27, 2014 6:20 am 
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Yes thats what I heard too. At speed in deep water the tunnel provided a large column of water that gave the Iowa's excellent maneuverability .
But at low speed shallow water this column was largely absent.The inboard props didn't provide for enough thrust on the rudders.
Thus the change in the Montanas which allowed the rudders to see more prop wash.
I suspect the Montanas would have handled better in the shallows but slightly less than the Iowas at sea.


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