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Kiwi Imperialist
Post subject: Please Remove Excess FlagsPosted: July 29th, 2022, 9:46 pm
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1143M wrote: *
[ img ]
Thank you for submitting an entry. Unfortunately, I must ask you to remove three of your flags (from those in a row along the top, not the ones on the ship itself). Under the updated Challenge Rule 2, a drawing may include "one of the following: ship badge, unit insignia, manufacturer logo, national flag, or naval ensign". Multiple flags are no longer permitted. With that said, I will permit any one of the excellent flags you have drawn, not necessarily just the national flag or the naval ensign.


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BvonTeapot
Post subject: Re: Please Select One DrawingPosted: July 30th, 2022, 3:34 am
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Kiwi Imperialist wrote: *
BvonTeapot wrote: *
[ img ]
[ img ]
It is great to see your unique design come to fruition. However, as per Challenge Rule 1, each participant is limited to a single image. I will only include one in the final poll. Would you prefer the version with the waterline or the one without?
Sorry about that, I understand!

I will go with the one with its weapons showing. In the poll, can it be referred to as a Semi-Submersible Stealth Corvette so it isn't mistaken for a sub? Thanks!

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BurnedBread17
Post subject: Re: Modern Stealth Corvette ChallengePosted: July 30th, 2022, 3:18 pm
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Location: At university
[ img ]
Ryktbarhet-Class Corvette

The Ryktbarhet-Class Corvette is a class of stealth corvette consisted of 2 ships. Ryktbarhet-Class Corvette was built under the "Modern Combat Capable Fleet" programme, which aims to reinforce the navy with new modern warships.

General Characteristics:
Type: Medium Combat Corvette
Length: 105 Meters
Beam: 16 Meters
Draft: 3.5 Meters
Propulsion: 2xDiesel engine; 2xshafts
Speed: 25 knots
Range: 5,000 nmi
Complement: 120
Armament: Guns; 1x Ostfors 76mm RRCS
Missiles; 32-cell VLS
20xAtgeir Anti-Ship Missile
12xLdlvm Surface-Air Missile
CIWS; 1xSkidda Mk.A launcher, 21 missile
Aircraft Carried: 1x AS365

Ships In Class:
RGNS Rkytbarhet
RGNS Ära

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Hood
Post subject: Re: Modern Stealth Corvette ChallengePosted: July 31st, 2022, 11:03 am
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Type 31 Egret Class

[ img ]
Type 31 Egret Class, HMS Egret 2026

In the early 2000s the search began for a cheaper corvette vessel to fill a multi-role capable to support the Carrier Strike Groups and Littoral Strike Groups with a mix of self-defence armament, limited strike capability but flexible multi-mission spaces to enable the vessels to conduct Special Forces and troop insertion, medical, ASW and escort protection roles. Classified as a sloop under the new Type 30 series of designations, eight ships were ordered from VT for delivery in the later 2020s.

HMS Egret K203 commissioned April 2026
HMS Pelican K204 commissioned July 2027
HMS Bittern K205 commissioned December 2027
HMS Stork K206 commissioned August 2028
HMS Kingfisher K215 commissioned May 2030
HMS Mallard K216 commissioned September 2030
HMS Petrel K217 commissioned March 2031
HMS Puffin K218 commissioned August 2031

Dimensions: 340ft 6in (oa), 315ft 6in (wl) length; 85ft beam; 15ft 6in draught (over sonar dome), 10ft (main hull).
Machinery: four MTU Type 20V 4000 M53B diesel generators driving four waterjets
Speed: 34kts (deep and clean)
Range: 7,000 nautical miles at 18kts
Displacement: 5,350 tons standard
Armament:
1x 57mm BAE-Bofors Mk.3 gun mount, fire-control by 2x Sea Eagle FCEO Mk III
2x1 40mm BAE-Bofors Mk.4 gun mounts, fire-control by 2x Sea Eagle FCEO Mk III
2x1 12.7mm Leonardo Hitrole G CIWS
24x CAMM VLS with ExLS compatibility for CAMM & CAMM-ER SAMs and/or Sea Spear-ER SSMs/land strike and/or Sea Spear 1 (Sea Brimstone) SSMs
2x2 12.75in lightweight A/S torpedo tubes for Stingray
Aircraft:
Hangar for up to;
1x Leonardo Wildcat HM.2 or 2x Leonardo SW-4MU UCAV (capable of carrying out recon and strike using Martlet or Sea Venom ASMs and Stingray torpedoes for ASW) and 4x S-100 recon UAVs or BAE Systems T-650 heavy-lift UAVs (capable of 1x carrying Stingray torpedo)
Radars:
Thales NS-200 3-D search radar
2x Type 1009 navigation radars
4x Type 1010 phased-array surface search radars
4x Gatekeeper EO/IR sensors
Thales Kingklip multi-function sonar
EW/Defences:
Thales Agile-D ESM
6x MAWS/DAS
2x12 Centurion decoy launchers
4x DLF(3) floating decoy launchers
Multirole Capability:
One stern multi-mission dock for up to 2x RHIBs or Protector USVs or 2x containers
Quarterdeck space for up to 2x containers
Multi-mission bay in outriggers for 2x RHIBs or 4x Poseidon UUVs

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odysseus1980
Post subject: Re: Modern Stealth Corvette ChallengePosted: July 31st, 2022, 3:10 pm
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Type 31 Egret Class :My favorit design from this thread.

Is it a trimaran or I am wrong?


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alternathistory
Post subject: Re: Modern Stealth Corvette ChallengePosted: July 31st, 2022, 3:25 pm
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Joined: September 9th, 2010, 9:44 pm
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Corvette Project 20388M. Russia

On his website - https://alternathistory.com/, he posted the corvette Project 20388, which was previously posted at the link - viewtopic.php?f=35&t=10549&start=10#p205476, and was criticized for it. I was pointed out that the armament of the ship does not correspond to the armament of not only the corvette of the future, but even the corvettes of the present. I was also recommended how a promising Russian corvette could be armed. According to these recommendations, I upgraded the ship. Developed in fact a new project.
This time I limited myself to only a side projection, since I posted a top view earlier and you can easily imagine what and where is placed on the ship. Further, in fact, the picture and the history of the ship.
[ img ]
After the entry into service of the Corvettes 20388, which were the development of the corvettes of the Project 20380, a number of serious shortcomings were revealed, the elimination of which resulted in the creation of an almost new ship, called the Project 20388M.
First of all, it turned out that the Redut air defense system was absolutely incompatible with the radars installed on the ship. And it was not possible to install suitable radars because of their greater mass. Therefore, the designers, with the approval of the leadership of the fleet, decided to completely remove medium and long-range anti-aircraft missiles from the ship. The military considered that on corvettes, which are ships of the near sea zone, such systems are not needed, since the water area in which they will operate will be covered by coastal anti-aircraft missile systems. If the ship goes beyond the range of these air defense systems, then it will be able to protect itself with the help of very successful Pantsir-M missile and artillery systems, of which 2 pieces were installed on the ship.
The installation of the Shells on the ship made it possible to remove the obsolete Kortik missile and artillery systems and the quick-firing artillery 30 mm AK-630 Gatling guns.
By the time work began on the Project 20388M corvettes, work had just been completed on the new Ka-65 Minoga marine helicopter. It was then decided to place it on the ship instead of the old Ka-27 helicopters.
True, unlike previous ships, the helicopter hangar was placed on the deck, and not in the hull, getting rid of expensive, unreliable and very capricious helicopter lifts in operation.
Anti-ship functions on the ship will have to be carried out by Uran anti-ship missiles, which were placed on the corvette by 4 pieces in launchers in the main superstructure.
The main gun mount was also replaced. Now on ships, instead of a heavy and overly powerful 130 mm cannon for such ships, a quick-firing 100 mm A-190 artillery mount was installed.
All these changes led to the fact that the displacement of the corvettes became not only less than that of the previous Project 20388, but even less than that of the basic Project 20380 corvettes and amounted to 2,200 tons.
This project turned out to be quite successful and cheap enough to become a prototype for mass ships of the near sea zone of the Russian Navy.
Specifications:
Displacement;
• Standard - 1750 tons,
• Full - 2200 tons,
Dimensions;
• Length along the waterline - 100 m,
• Maximum length - 101 m,
• Width - 13.0 m
• Draft - 3.7 m,
Power point;
• Main Power Plant - 2 × DDA-12 000 diesel and 4 × 10D49 diesel engines produced by Kolomensky Zavod,
• GEM power - 5200 l. With.,
• Diesel generators - 4 × DGA-630
• Power of diesel generators - 4 × 630 kW
• Mover - 2 shafts,
• Screws - five-bladed,
• Maximum travel speed - 27 knots,
• Economical travel speed - 14 knots,
• Cruising range - 4000 miles (at 14 knots),
• Autonomy of navigation - 15 days,
• Crew of 60 people (including 10 officers)
Armament;
• Artillery - 1 × 100 mm AU A-190,
• Air defense systems - 2 × Pantsir M (consists of 2 × 30 mm rapid-fire guns and 8 anti-aircraft missiles),
• Anti-ship missiles - 4 anti-ship missiles "Uranus",
• Missile weapons - 8 cells for cruise missiles "Caliber" or similar,
• Anti-submarine weapons - 2 × 4 324-mm complex "Packet-NK" (8 torpedoes or anti-torpedoes)
• Aviation group - 1 Ka-65 "Minoga" helicopter, tactical UAVs.


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alternathistory
Post subject: Re: Modern Stealth Corvette ChallengePosted: July 31st, 2022, 3:28 pm
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Request to moderators to remove duplicate posts, I do not understand how to do this. Please leave the last post.


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Rodondo
Post subject: Re: Modern Stealth Corvette ChallengePosted: August 1st, 2022, 1:32 am
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bottom right of the post whilst logged in should have edit button tab on the post, just remove the contents of the post

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heuhen
Post subject: Re: Modern Stealth Corvette ChallengePosted: August 1st, 2022, 5:08 pm
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alternathistory wrote: *
Request to moderators to remove duplicate posts, I do not understand how to do this. Please leave the last post.
You can edit your post, instead of posting again, by using the button in the bottom right corner


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alternathistory
Post subject: Re: Modern Stealth Corvette ChallengePosted: August 1st, 2022, 10:00 pm
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heuhen wrote: *

You can edit your post, instead of posting again, by using the button in the bottom right corner
Thanks. For some reason I didn't find it right away. In the future, I will do so.


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