Minecraft Maps / Redstone Device

IST - Adjustable Naval TNT Cannon ( Scattershot | Turret | Movecraft Compatible | Naval )

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MystSpaTimeTrav's Avatar MystSpaTimeTrav
Level 48 : Master Dolphin
70
Information
Basic Info
The IST (Iridium Submersible Turret) is a naval/waterless TNT Cannon with an adjustable arc functional in Vanilla Minecraft. It's considered to be a naval gun as the cannon doesn't have water in it until it is fired. The water is dispensed when the gun is fired and retracted after the firing cycle. You may ask "why is this even necessary?" or something similar. This is necessary as some Movecraft craft types cannot have water on them. Crafts such as Subairships, Ships, or Submarines are all water crafts that cannot merge with water and thus cannot have water in their TNT cannons. The shell of the turret and gun barrels are for both aesthetic purposes in order to cover up unsightly exposed Redstone and for protection if the turret is shot at by another TNT cannon. I designed this gun for a replacement of the TNT cannons on the Seahawk, a ship I designed a while back in Iridium. Though, I may build another submersible airship design to mount this gun in the future.

DO NOT REMOVE THE WATER BUCKET

Please Leave A Diamond If You Enjoyed!

Nerd Stuff
The central timing mechanism for the gun is a pulse extender. How it works is that when the turret is powered by the Redstone torch tower underneath it, the propellant is dispensed. Upon powering the turret, the comparator clock is also locked preventing it from dispensing projectiles too early while a delayed signal is sent to the back of it. When the power turns off, the comparator clock is unlocked and the delayed signal stays on for a period of time turning the comparator clock on dispensing projectiles. A separate repeater train is sent to the pistons which control the arc of the gun. The pulse extender acts to determine when the piston will extend and when it will drop. The projectiles when dispensed will sit on top of the extended piston and drop when the piston retracts.

The point at which the projectiles are at while they fall as the piston retracts when the propellant explodes is what determines the arc/trajectory of the gun. The longer the pulse is given to the gun, the later the piston will drop and thus the higher the trajectory. The shorter the pulse is given to the gun, the lower the trajectory. Because the projectiles are in mid-air when the propellant explodes, the blast force from the propellant TNT is unhindered by anything and allows the gun to reach much longer ranges with less propellant than most guns that use slabs or other mounting blocks for their projectiles.

A separate wire in this gun to the water dispenser makes this a naval gun. One of the dispensers in the propellant chamber has a water bucket that dispenses with the propellant. A separate repeater trail within the gun attached to the piston mechanism sends a signal to the water dispenser to retract the water after the gun has finished cycling.

The central timing mechanism/pulse extender is outside of the gun and can be wired to multiple turrets in order to adjust the trajectory and fire multiple turrets at the same time with the same trajectory.

Movecraft Compatibility
The turret is compatible with the Movecraft plugin and can be mounted on airships or as a stand-alone rotating turret if you wish to use it for base defense. This gun is primarily designed for more moderately sized combat vessels of Royal Navy/Lanier size standards such as their Destroyers. The subcraft rotate sign in the gun allows you to rotate the turret when right-clicking it or left-clicking it if Movecraft is installed.


Stats

  • Max Range: 220-240m (220-240 Blocks)
  • Projectile: 8x TNT per turret
  • Propellant: 10x TNT per cannon (two cannons in each turret)


Plugin Requirements ( None / Optional )

No plugins are required for the cannon to function as it is a purely Redstone device. However, the cannon can be used on Movecraft warships with their turret feature to allow it to face in different directions. Some servers that run Movecraft are ToTheEnd, Airship Pirates, and Strangelands.

Terms of Use

You may use or modify this gun on your server, builds, and/or ships but be sure to leave a diamond, credit me, and link the gun if possible. Thank you!


Discord Server and SMP Join Info (Bedrock and Java cross-play):
Click Here To Join The Discord Server
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2
06/20/2021 10:36 pmhistory
Level 8 : Apprentice Miner
Spandrel
Spandrel's Avatar
Ah cr*p I got caught lacking with the MST--4ER on Abbot, noo00ooooo- oh wait, it has 220-240m range, but MST-4ER has 400-500m range, and your MST mod with 12 prop has more lmao
2
06/21/2021 1:26 am
Level 48 : Master Dolphin
MystSpaTimeTrav
MystSpaTimeTrav's Avatar
TNTTweaks allows you to increase the fuse time of your TNT so you can fire high arcs and reach the ground. That wouldn't work in vanilla which is what I measure the ranges by
2
06/21/2021 2:18 am
Level 8 : Apprentice Miner
Spandrel
Spandrel's Avatar
Oh lol
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