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Re: NATO ASW Design Challenge
Posted: March 20th, 2012, 8:25 am
by Thiel
denodon wrote:I suppose it's a habit I have for drawing the smaller vessels as I see compact designs being far more efficient and cost effective than larger designs which are likely to have systems not needed to fulfill the basic requirements.
As counter intuitive as it may seem, real world experience tells us otherwise. Take the Danish Niels Juel class corvette as an example.
At 84m and 1320tons they're as small as they can be while still being capable of carrying out their mission. This is all well and good, but it comes with a cost. Range is short and they offer a very bumpy ride. Combine this with the fact that it's a two-watch ship and you get a fairly low endurance. If, as the Navy wanted, they'd been 10-20m longer from the start the endurance could have been increased significantly since they could have had a much more sensible engine layout, bigger bunker tanks, better sea-keeping and room for a third watch. That last one is particularly important. During the second Gulf War the Olfert Fischer had to return to port every 7-10 days in order to change crews. (Yes, SeaSwap. Unlike the USN the RDN can make it work) With a proper three watch setup they wouldn't have had to bring the second crew along at all.
In conclusion, by adding a couple of hundred tons of steel (Which is cheap) and a diesel engine (Which is cheap-ish) the Niels Juel could have been at least doubled.
Re: NATO ASW Design Challenge
Posted: March 20th, 2012, 8:34 am
by klagldsf
I still think the drawing is worth pursuing. It'd be a waste of a quality drawing otherwise.
Re: NATO ASW Design Challenge
Posted: March 20th, 2012, 9:29 am
by rifleman
MC Spoilt B'stard
Very nice. Is having the oerlikons in front of your Harpoons a wise move?
Re: NATO ASW Design Challenge
Posted: March 20th, 2012, 9:31 am
by rifleman
klagldsf wrote:I still think the drawing is worth pursuing. It'd be a waste of a quality drawing otherwise.
I would agree with you. If you use the ship as your sensor platform and put a capable Helicopter as the principle ASW weapons system it could work very nicely.
Re: NATO ASW Design Challenge
Posted: March 20th, 2012, 3:03 pm
by MC Spoilt B'stard
rifleman wrote:MC Spoilt B'stard
Very nice. Is having the oerlikons in front of your Harpoons a wise move?
Well u are right , i will move them to the side's of the hangars on the next (last) update.
Re: NATO ASW Design Challenge
Posted: March 21st, 2012, 7:01 am
by denodon
Well it isn't much but here's a slight update for the design. I'm still not sure about it and have actually been considering scrapping this design and instead going for something perhaps MEKO inspired. I'm not certain.
Re: NATO ASW Design Challenge
Posted: March 21st, 2012, 3:57 pm
by Rowdy36
My attempt at an Australian ASW frigate:
Vampire Class Frigate
FF-07 Vampire
FF-08 Voyager
FF-09 Vengeance
FF-10 Vendetta
Length: 132m overall
Beam: 14.2m
Draught: 5.8m (over sonar dome)
Displacement: 4,600t
Machinery: CODLAG
4 x Paxman Valenta Diesel Generators
2 x Electric Motors
2 x Rolls-Royce Olympus Gas Turbines (48 MW/50,000 shp)
Speed: 30kn
Range: 4,500nm at 20kn
Complement: 233
Aircraft: 2 x Westland Lynx
1 x 5"/54 caliber Mark 45 Mod 1 Gun
1 x Mk 29 GMLS
2 x Mk 141 quad GMLS
2 x Mk 32 SVTT
1 x 20mm Phalanx Block 0 CIWS
2 x 20mm GAM BO1 Guns
4 x 12.7mm M2HB HMGs
AN/SPS-49 2D Air Search
AN/SPS-55 Surface Search
WM25 Fire Control System
Mulloka Hull Sonar
Type 2031 Towed Array Sonar
AN/SLQ-32(V)2 EWS
Mark 36 SRBOC
AN/SLQ-25 Nixie Towed Torpedo Decoy
Re: NATO ASW Design Challenge
Posted: March 21st, 2012, 5:35 pm
by Novice
A British armed frigate, around 5000t to 6000t.
Armament is
1 4.5" Mk.8 gun
1 Sea Wolf launcher
1 Ikara launcher
2 triple 12.75" ASW torpedoes
2 Wessex or Sea King helos
Speed is 25kts sustained with CODAD engines
Re: NATO ASW Design Challenge
Posted: March 21st, 2012, 6:35 pm
by acelanceloet
put the finished designs in the first post. if your work is finished but is not there, please notify me and I'll add it as well. if it is not but still there, again just notify me
I took the ones that were the same for a long time, were stated finished or the ones that just looked finished.
also, the ones that used attachments: please use an external image if it is finished, right now I can't copy them with the quote. (if there really is an reason why you can't do that, PM me and I'll use my own image host
)
also, Heuhen, I cut out the more AAW oriented versions of your ship because.... well.... you had almost as many as the rest combined xD
also the question: is there anybody who would like to 'judge' the designs? I do not have the knowledge nor the expertise in this challenge, and I am having my own entry, so I can't do it honest myself, I can only comment
Re: NATO ASW Design Challenge
Posted: March 21st, 2012, 7:22 pm
by TimothyC
I can.