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Type T-14 Torpedo Boat

75.1k Monarchii  one month ago

a Type T-14 Torpedo Boat, hull number unknown. photograph taken presumably in early 1945


WEEEeeeeeEeeeeeeeekenDIIIIN chiiposting.

this time my friend, I've returned to making ships, well, for a bigger project that is.

this is basically a testbed for an alternative way of VTOL-engining I'm considering for the other project, and in consideration, it's quite good and promising way of doing the propulsion! I just need to experiment with it more much later.

honestly though, I'm enjoying this one, it's something I haven't done for a while, and while this is rather low-part, it's actually kinda.. replicated as close I can while being efficient? yeah, the only thing I didn't replicate actually was the bow part(or if you wanna be pedantic, the torpedoes, depth charge, Type-96, the bridge cabin, everything really.), I can do that of course, but what for, it's a testbed, no need for maximum must, just good enough.

anyway, this is hella fun to drift around, torpedoing around, and breaking ship spines with the depth charge, it's an awooh woohhooo kinda feeling if you get it, though if I have a qualm... the Type-96 25mm AA Gun suxk, low effective cyclic rate just doesn't do it good, hella accurate though, a good 3-6 round hit would take an aircraft down juuuust fine..

anyway, per ashu-cashew-all, enjoy torpedoing ships and breaking keels, toos!! >~<


During wartime, a range of problems were revealed in the industry of Imperial Japan. For example, the Japanese did not have the necessary infrastructure to produce modern petrol engines and thus were incapable of manufacturing powerful torpedo boats, even though there was a great need for this class of vessel. The Mitsubishi company proposed a design for a small single-engine torpedo boat that was equipped with a 920 hp petrol engine. In spite of its small size and low power, this engine was capable of carrying two torpedoes. By decreasing the weight and dimensions of the design as much as possible, the Japanese were able to mass-produce these little torpedo boats. And so the T-14 Class torpedo boat was born – an entirely wooden design, just 15 meters long, and with a displacement of 14-15 tons.

This little Japanese boat was nonetheless well prepared for an encounter with the enemy. Shipbuilders mounted two torpedo tubes, housing Type 44 torpedoes (450 mm caliber). In the stern, there was enough space for six depth charges weighing 160 kg each. However, the boat’s anti-air armament was weak: all she had was a high-caliber 13.2 mm machine gun with a 30-round magazine. The subsequent modifications received the Type 96 25mm Gun. Its magazine could only hold 15 rounds, but a cannon is a cannon. The machine gun had a hard time effectively defending the boat.

The boat has one engine and one screw propeller, so her speed is relatively low: her top build could only reach 33 knots. The single magazine in the boat’s machine gun can be changed every 30 shots relatively quickly, but you have to fire very carefully and accurately. Admittedly, this machine gun does work quite well against aircraft, often causing fires when it does hit. The torpedoes are an undeniable advantage on the boat. The torpedoes are launched from the boat’s sides directly in her line of movement, making them very easy to aim! And don’t forget about the depth charges - they can give the enemy a nasty surprise.

(I for the life of me can't find anything worth citing, but maybe I'm just lazy, there are other but noooot quite.)_


|[ Controls ]|

  • VTOL : Forward/Backwards
  • Yaw : Turn
  • Depth Charge : boom
  • Torpedoes : woom
  • AA Gun : autoaimed- erp, I mean- toom toom toom

|[ Armaments ]|

  • 1x Type 96 25mm AA/AT Gun, 820m/s(2,700ft/s), 240rnds/m(4rnds/s), -10°/+70°
  • 2x Type 44 457mm(17.7in) Torpedoes
  • 6x Depth Charges(they actually drop respectively properly! how cool izzat? :3)

|[ Notes ]|

  • well, war trawler soon, I still got things to test juuuuuuuuust to make sure if I wanna choose either electric propulsion or upgraded-traditional, we brrrr ing, and hey, maybe war trawler doesn't need measly normal logic so it can steam 34 knots, physics breaking? certainly. funny? fuxk well it is aha
  • keel break keel break, let's make the keel break~🎶🎶

|[ Credits ]|

chiihihihihihihihiii...
(idk why I felt like giggling at the end, don't ask me.)

Spotlights

General Characteristics

  • Created On Android
  • Wingspan 11.7ft (3.6m)
  • Length 48.1ft (14.7m)
  • Height 17.0ft (5.2m)
  • Empty Weight 19,774lbs (8,969kg)
  • Loaded Weight 33,068lbs (14,999kg)

Performance

  • Power/Weight Ratio 3.262
  • Horse Power/Weight Ratio 0.045
  • Wing Loading 69.2lbs/ft2 (338.0kg/m2)
  • Wing Area 477.6ft2 (44.4m2)
  • Drag Points 4875

Parts

  • Number of Parts 181
  • Control Surfaces 0
  • Performance Cost 581
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  • Profile image
    75.1k Monarchii

    @IslandSinker aaaah, that one

    29 days ago
  • Profile image

    @Monarchii from a "campaign of Call of Duty: World at War", mission is "Black Cats" where you play as a gunner of a PBY Catalina that was about to intercept a merchant convoy that was about to go on Okinawa.

    one month ago
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    75.1k Monarchii

    @IslandSinker remind me again where that came from? I feel like I've either heard it somewhere in the movies.. or youtube, either really.

    +1 one month ago
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    Unrelated but i got the urge to say it...:

    "TAKE OUT THOSE F###ING P.T. BOATS!"

    +1 one month ago
  • Profile image
    75.1k Monarchii

    @ShiroNeko noted

    one month ago
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    32.1k ShiroNeko

    @Monarchii.
    If you're asking for any inclusion of airbrakes for the spine, I'd say none. Though I will say that if you add always-active airbrakes which doesn't stop the ship when it's powered, it would be a neat feature if, let's say, you want to stop the ship without using other source of thrust. It mimics fluid drag per se.

    +1 one month ago
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    75.1k Monarchii

    @ShiroNeko I see, I'll note that down, say, any airbrakes? drag on the hull?

    one month ago
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    32.1k ShiroNeko

    @Monarchii
    Chordscale plays a major role and so is the size of the propellers. You should also consider capping the maxRpm to below 500 to make it look realistic as well as taking in consideration how deep the propellers should be on your ship since if you put it way too deep, they won't work.

    one month ago
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    75.1k Monarchii

    @Christiant2 well, same tbh

    one month ago
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    37.7k Christiant2

    @Monarchii
    I do not really do it often :◇

    one month ago
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    75.1k Monarchii

    @Christiant2 I don't do tags, just checkitaud in the jet stream if you will

    +1 one month ago
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    37.7k Christiant2

    @Monarchii Tag me on each of your next planes or thingamabobers
    Please? =>
    ( う-´)づ︻==╤── (˚☐˚”)/

    one month ago
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    75.1k Monarchii

    @ShiroNeko noted, worth a try, now how do you do it? chordscale 13+? superpowered engine? maxrpm ludicrous?

    one month ago
  • Profile image
    32.1k ShiroNeko

    @Monarchii, I haven't tried, personally but it might work if the propeller blades turn.

    one month ago
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    75.1k Monarchii

    @ShiroNeko kinda yeah idk, I want it to atleast feel semi realistic both ways, I've ate shxt thinking that I just need airbrakes in the opposite direction and then it speeds like hell on the other way kek.


    say, does the vanilla propeller method workable with variable manual pitch or does that just not work?

    one month ago
  • Profile image
    32.1k ShiroNeko

    @Monarchii.
    Reverse can be compensated by using jet engines. but i guess you're also going with the aesthetics.

    one month ago
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    75.1k Monarchii

    @ShiroNeko and thanks for the torpedo-listing insight, that has not crossed my mind on how good that would be, cause on my current(or kendog84's, to be exact) doesn't exactly model torpedo damage, only gunfire by cannon

    one month ago
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    75.1k Monarchii

    @ShiroNeko I actually kinda need the reverse ;~;, which is why I'm experimenting with this build(cause idk how to electric) with VTOL reverse and all, and yes, it's a cruiser, Japanese Cruiser to be exact, three shaft and sure, brb on tagging you on somewhere gimme minute

    one month ago
  • Profile image
    32.1k ShiroNeko

    @Monarchii
    The amount of hinges and buoyant blocks depends on you but the 'least' amount you should at least use is around six each (hinges and blocks, two on front, two on the middle, two on the stern. One on each side). They do not need gyros. CoM is fine wherever as long as the CoM is not too high or the spine is not wide enough to accommodate the high CoM. Additionally, If you plan on making a damage model, you could use the same spine and have the buoyant blocks have low-to-none HP so whenever they get hit by torpedoes, they get destroyed which produce listing on one side.
     
    About the propellers, I am currently using a rotator-powered propeller on my WIP, which was made by another user. I have to ask the specific user if I could lend it to you. It would be better if you tag me on an unlisted (or dm me on Discord) to discuss it.
     
    Although, if you're saving parts and if your ship is big enough (let's say, cruiser size and up), I could tell you some tips on how to make the vanilla propellers work on ships (they produce the actual thrust so if these propellers gets destroyed, they won't produce any). I have this installed on at least two of my battleships. They mostly don't work on smaller vessels sadly, and cannot reverse.

    one month ago
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    75.1k Monarchii

    (and btw, that means that wave dampened ships don't need gyros right? just needs a low CoM below waterline)

    one month ago
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    75.1k Monarchii

    @ShiroNeko aha, noted.. so it's a disabled hingerotator yes?(as along as it's not floppy right?), and hmm.. I had a plan to make it also have a damage model like my bigger target ships and I think it'll work if what I think is right..


    speaking of which, 6 buoyancies on each side is not too much right? that's the planned sections it'll have, and.. if I ever get around finally finishing it, can I ask your help tuning it's sea performance then kek, I don't have a PC and wave dampening sounds like it's a ship-specific issue instead of a universal thing, my ships plan to also be 45,000kg always(for my standardization-wanting ass) so hopefully I can just reuse it later if the ship is same-sized as my current project ;~;


    that of which, btw, do you have any experience or tips you can share with me regarding electric(rotator) propellers? my test carrier Sneezuchii when I tried pushing it past 60km/h(33 knots) sometimes spazzes out, bit always, but sometimes, and I'm pretty sure I didn't mwss the collisions or torque, is it low physics problem perhaps? ;~;

    one month ago
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    32.1k ShiroNeko

    @Monarchii
    Surely, you asked the right person for that lol. It would be difficult (and most likely boring) to just read instructions but I'll do it anyway.
    The materials you need would be hinge rotators with disabled inputs (range and speed can be ignored) as well as the buoyant fuselage on the end.
    The wave dampers that I designed works similarly to a leaf spring. When the weight of the ship pushes down on the hinges, the hinges' flex will decrease the bounce force (or whatever it's called) thus making the ship less bouncy. Again, it is a leaf spring that run across a ship.
     
    What I would suggest is to create a 'spine-like' separate sub-assembly for the damping system where all the hinges are attached on a single part and the hinges are spread on most points (front, middle, and back areas of the ship). The most basic spine I could think of comprises of six hinges and buoyant blocks (Two in the bow, midship, and stern. One on each side).
     
    Another tip is that the distance of the buoyant blocks and the hinges affect the 'sensitivity' of the dampers. The closer the buoyant block is to the hinges, the less effective it is since the hinges will flex less (or flex more resulting in you actually bouncing more). This means that the larger the ship, the easier to make it more stable (on Ocean Mod as well, as it was designed to be used on).
     
    You should always remember that the amount of buoyancy of the blocks will heavily affect the performance of the damper, this is crucial too. Too much and it will be too stiff, less and it will sink more often/deeper than it should do.
     
    If ya need more help, just ask me. I love seeing notifications when opening the site lol.

    one month ago
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    75.1k Monarchii

    @ShiroNeko speaking of which, Shiroh, if you don't mind me bothering a bit, how do you make Wave Dampeners? I remember it's something with rotators but idk how exactly, I kinda want to implement it for my later bigger project

    one month ago
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    75.1k Monarchii

    @ShiroNeko glad you like it Shiroh, and uhh, that genshin meme keeps getting stuck in my head for some reason, and I don't even play genshin, but it does lmao, and Quebecois.. well, was thinking of Canada so XD


    (and please ignore the first two variables, I have err.. *cough* yeah, I like..)

    one month ago
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    32.1k ShiroNeko

    Really fun vehicle to use especially mixed with the part efficiency, Good stuff, Chiichii :))
    (interesting variable names too, lol)

    +1 one month ago
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