Description: Description: Description: Description: Description: Description: Description: Port Polar Bear

- Cruisers -

 

 

 

Cruisers are fun!

Within the context of RC Warship Combat, cruisers mostly fill a support type role. Commonly, the larger battleships and battlecruisers on either fleet will attempt to engage with each other based on: the relative weaknesses and strengths of their own ship vs the enemy ship, trying to work with their wingmen, trying to follow fleet tactics. That is a lot to think about and it is common for the big ships to worry primarily about the other big ships, making a cunning cruiser captain a very effective net positive point scorer. Since cruisers are quick, they can work on providing supporting fire on otherwise distracted capital ships that are unlikely to disengage from that action to swat the pesky cruiser away, and if they do give chase, the cruiser is not likely to be caught and it is otherwise pulling capital ship resources away from the main line of combat. Plus, if given the choice between receiving battleship sidemount fire stern gun fire from a cruiser, most would choose the cruiser to make a mistake in front of which can make for some easy shots. Cruisers are quick and can avoid damage by running away rather than trying to go toe-to-toe with an enemy ship.

 

In campaign, cruisers really shine. They (and all ships class 3 and lower) are allowed to reload indefinitely which allows for 60 mins + extensions of fun. Since the cruiser is fast, deploying to various parts of the pond at moment’s notice is much more plausible than a plodding battleship, pre-dreadnaught, or armored cruiser. Additionally, with the common stern firing cannons, a rather generous attack range can be achieved which makes them ideal for hunting convoy ships.

 

Cruisers are relatively easy and inexpensive to build compared to larger capital ships. They can make great first ships to learn the hobby with before committing to a slugger. Many experienced captains will use them when they get sick of lugging around the heavy capital ships. They can make great back up ships to have at a battle in case something breaks down to the point of requiring work shop rather than pond-side repair. Many of the cruisers look cool and have interesting histories. I really like cruisers. I will attempt to explain what to look for when considering what ship to build and how to set it up for maximal combat effectiveness within this article.

 

 

 

 

 

Classification:

Cruisers are categorically divided into heavy (CA) and light (CL). The Washington Naval Treaty of 1922 designated upper end limits of 8 inch guns and 10,000 tons to cruisers. The subsequent London Naval Treaty of 1930 subdivided cruisers as “heavy” if the gun caliber was 8 inch and higher. For the purposes of our rules, this is the most important differentiation. Tonnages are generally (but not always) scaled with the heavier equipment needed to mount 8 inch armaments.

 

Speed:

          By virtue of class, cruisers are faster than capital ships. Heavy Cruisers are allowed to be no faster than 23 seconds over 100 feet, and light cruisers are quicker and are allowed to be no faster than 22 seconds over 100 feet. For reference, fast battleships and battlecruisers are allowed to be 24 seconds while “slow” battleships go 28 seconds. Destroyers 21 seconds.

 

Generally speaking, going faster is an advantage. Practically however when it comes to cruisers, a slight speed boost effectively ends up being a tradeoff with decreased turning ability and pump capacity. I would generally recommend either a 3.0 or 2.5 unit ship and twin 50 round cannons making speed/rudder size/pump outlet size the primary differences.

 

Units:

Heavy cruisers (8 inch main armament) below 8000 tons get 2.5 units, 8000-10,000 tons get 3.0 units, and over 12,000 tons get 3.5 units. Light cruisers below 4500 tons get 1.5 units, 4500-6499 tons get 2.0 units, 6500-8999 tons get 2.5 units, and over 9000 tons get 3.0 units. 

 

The amount of units on a cruiser has a bit of a break point. In terms of fire power, the 3.5 unit ships can mount 3 full 50 rounds of firepower, but the trade off is not always worth it considering how very large these ships actually are and how much target area they offer to the enemy. Additionally this will leave only 0.5 units for the pump. Both 2.5 and 3 unit cruisers should carry two 50 round cannons, the difference in unit allowance is full vs half unit pump. 1.5 and 2 unit cruisers can logistically both fire 50 rounds and have the differentiation point be a full vs half unit pump, but 2 unit ships have a unique flexibility to split to a half unit pump and 1.5 cannons that currently 3.0 unit cruisers are not afforded.

 

Weight:

Historically within our hobby, due to technology limitations it was difficult to build the smaller/lighter ships and power them effectively. Because of this, class 2 and lower was allowed an additional 25% to the maximum model weight. For a large part of the hobby’s existence, this effectively allowed for the larger 2.5 unit cruisers to be built similarly competitively as the 3.0 unit cruisers. It was otherwise uncommon for captains to bother with the lighter ships. Over time however, technological advances as made it easier to build lightly. For what it’s worth, the rules were modified starting in the year 2024 to allow all ships an additional 25%. Considering cruisers, this should allow the lighter 3.0 unit ships to be built more competitively and may lead to additional ship diversity.

 

In my opinion, it is relatively easy to build a cruiser with equipment for 2 cannons in the 11-12 pound range. Care needs to be taken if aiming for 9-10 pounds but is workable with compromises and experience. The size and shape of the hull will also factor in to what ends up being a reasonable battle weight, some class 2.5 light cruisers will not perform well over 9 pounds due to limited hull volume. Likewise some 3.0 heavy cruisers will not battle well even at maximum weight due to too much hull volume.

 

Step Deck:

Many of the actual historical cruisers were built with a step deck, rather than flush deck. The advantages to a step deck model are multiple. Desired flat/parallel to the water gun angles are more achievable. The target area in the stern of the ship is larger in the bow but minimized towards the stern which can while allowing for improved defense against stern guns. Though lower to the water stern decks means the deck seal is important as to not run the ship under but the reserve buoyancy in the bow and ability to cut the water when driving forward however remains intact due to the elevated bow of the ship. When possible, I recommend step deck cruisers.

-HMS Figi has a step deck allowing for low to the water firing angles

-USS Nashville (Brooklyn Class) has a flush deck making it difficult to get the firing angle low to the water

 

Props:

Many cruisers have 2 functional drive props. Some have one. Two props will accelerate better and hold a straight line better. Single prop ships will turn better but torque roll on acceleration. The drift in forward drive that comes with holding a straight line at max speed is accounted for by trimming the rudder, but the side to side drift while driving backwards is a common problem for single prop ships.

 

Most cruisers in the 9-13 pound range will most likely be optimally balanced in terms of speed, turning, and acceleration with 1.25 inch dual props. Single propeller class 2 and 3 cruisers should use 1.25 or 1.5 inch props depending on the size of the ship.

 

Rudder(s):

More rudders will make ships turn better, a few cruisers are allowed twin rudders and this is advantageous as compared to the single rudder most cruisers are allowed.

 

Additionally, a seemingly subtle difference in rudder size can have massive impacts on performance. Because reasonable prop size, weight, ship size in terms of beam and length and draught for many of the more competitive 2.5 unit and 3.0 unit cruisers is so similar, the ability to turn well can be extremely dependent on the rudder surface area, and thus 3.0 square inches is just better than 2.5 inches.

 

Length and beam:

Wider beam cruisers will be better for side to side stability and fitting equipment physically within the hull. Anything 4.5-5.5 inches wide will be roughly equivalent and “good enough.” Most cruisers are relatively long compared to their beams, there are some theoretical turning advantages with shorter ships that don’t always bear out with cruisers since the length to beam ratio is still quite disadvantageous.

 

Turret location:

The best place for a stern gun is the stern most turret on the lower part of the step deck further toward the stern end of the ship. The stern displacement of the guns can allow for advantages in firing elevation/depression angles and you don’t have to worry about bbs skipping off of the deck. A high off the water stern turret like the Lutzow has makes it difficult to have a larger effective firing range because of the gun depression that is required.

-Lutzow/Deuchland/Graf Spee has an elevated stern turret

 

Stern guns:

I would universally advise twin stern guns. A few cruisers don’t have stern turret locations (Oyodo, Tone), don’t build those ships.

 

Nation:

Some people like to build all of their ships from a single nation. Historically in our hobby, when we have battled Axis vs Allies, it was common to have a secondary ship on the same team as your primary ship. Though there were never really true rules limiting this (just convention), it was common for the French and Italian ships to be playable as either Axis or Allied.

 

 

 

 

 

The Best Cruisers:

The factors mentioned and experiences over the years has led me to settle on some favorite cruisers. It should again be noted that I am heavily favoring/recommending class 3.0 and 2.5 cruisers.

 

American step deck heavy cruisers - Pensacola class, Northampton class, Portland Class, New Orleans class. These ships are all subtle variations on each other with very similar length, beam, turret placement, weight, props, rudders, etc. There are some differences in the freeboard in terms of the distance from the bow to the step, less is probably better. All of these ships are very balanced in that they are big enough to be forgiving but small enough to have all of the other desired characteristics. A relative downfall is that these ships can be borderline large, meaning more target area you have to protect.

 

British step deck heavy cruisers - Exeter, York. These are similar to the American step deck heavies but all are a little lighter in max weight allowed, which can make it more difficult to build and weigh down enough within the water to get them to float at a good water line.

 

French heavy cruisers. Similar to the Americans, the French heavies with step decks are well balanced and relatively good sized, making them forgiving for beginning battlers but also competitive for advanced battlers. I’d avoid Algerie due to flush deck design, the Duquesne/Tourville is very good, the Foch/Suffern has 3 shafts and 2 rudders.

-FN Tourville has a step deck and forgiving hull volume

 

Italian Heavy cruisers - Bolzano, Trento, Zara are all very similar to each other and very similar to the American heavy cruisers, but get cooler paint jobs and remind you of going to an old time barber. I have a love affair with my Italian cruisers.

 

Japanese heavy cruisers. The Japanese heavy cruisers have swoop stern deck rather than a step deck. This is both good and bad. They have to be run with good deck seals so they don’t swamp themselves as they will run fairly low in the water, but this is somewhat favorable in terms of target area minimization. Several of them are actually fairly small and light making them more advanced builds. Several of them have a lot of superstructure that can lead to stabilization issues. I’d point beginners to Nachi/Mogami and advanced builders to Furutaka/Aoba.

 

German Heavy cruisers. The Prinz Eugen is extremely large and can’t readily effectively use triples. The “Pocket Battleships” Deuchland/Lutzow are historically important/interesting but have a very odd step location with the turret on the upper position and extremely narrow sterns which limit turning. I consider this a more advanced ship and have only seen one or two that are even remotely competitive.

 

The French lights. Gloire/Galissonniere/Montcalm is one of the most competitive 2.5 unit ships.

 

-FN Gloire

 

The German light cruisers are really small and have narrow beams making them difficult builds. The Konigsberg has 2 drive props and a funny offset turret, it is really neat but small. Leipzig and Nurnberg have 3 shafts but are all otherwise similar.

 

The bigger Italian light cruisers Emanuel Filiberto Duca d’Aosta, Montecuccoli, Garibaldi are all very good. These have been rare to see on the water mostly due to lack of available fiberglass hulls.

-Emanual Filiberto Duca d’Aosta

 

The Japanese light cruisers other than Agano are difficult to talk yourself into. Agano is a swoop deck very light ship, I would consider this an advanced build.

 

British light cruiser Fiji as among the more competitive 2.5 unit ships.

-HMS Figi is a very competitive ship

 

The American light cruisers are all flush deck and not that competitive.

 

The Huge Ships. Overall, I would not advise most battlers to attempt the American 3.5 unit enormous, high off the water Baltimore or Des Moines. The Takao and Prinz Eugen are very large and without true triples. The Lutzow as I had mentioned is a tricky build.

-USS Baltimore is very big

 

Odd balls: I’ve admittedly never seen any of these but can imagine some of them could be good. The Spanish heavy cruiser Canarias is based on the British County class cruisers, unfortunately it has a flush deck. The Russian Heavy Kirov is basically a modified Italian Montecuccoli and would be reasonably good. I’ve always wanted to build the Swedish Tre Kronor and think it would be good but it does have a lot of superstructure and might be a bit top heavy. The Argentine La Argentina and Dutch De Ruyter have a very far to the stern step. The Spanish Alfonso was similar to some of the British light cruisers.

 

 

 

 

 

TLDR

Get yourself a Gloire, Filiberto, Fiji if you want CL; American, Italian, or French step deck if you want CA.

 

 

Tyler Helland 6/30/2024

 

 

 

Back to Battle Reports & Building Articles

 

Port Polar Bear Home Page