Sentry gun/ro

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The Engineer with a Level 3 Sentry

The Sentry Gun (abbreviated to SG), officially known as the Sentry Mechanical Firing Device, and also as a Sentry or Turret, is a building that can be constructed by the Engineer using the PDA, the Engineer's build tool. The gun itself is a tripodal device constructed of metal, team-colored paint, and a laser sight (when used with the Wrangler).

A level one Sentry Gun is a single-barrel machine gun with an internal magazine. The Sentry has a motion sensor, as stated in Meet the Engineer and the Sentry Manual.

A level two Sentry Gun appears to use an automatic cranking system to rotate the barrel, as indicated by the 2 electric cables visible. It also has 2 Gatling guns and a laser sight is built into the carbine body. Its ammunition is belt-fed.

A level three Sentry Gun is identical to the level two, with the exception of an additional set of rocket silos on the top, which comes out of the back ammunition housing area.

The Sentry Gun functions as an automated turret that fires at the closest enemy within its range and line of sight. Dealing constant as well as consistent damage with noticeable knockback and an immunity to critical hits, a Sentry Gun is the cornerstone of a successful defensive setup. On the other hand, they take a while to set up to full potential, and even a fully-stocked Sentry Gun can be destroyed with little trouble by a well-executed ÜberCharge or a Spy with his Sapper. Engineers must be on the lookout for such threats to ensure their Sentry Gun's survival. If a Sentry Gun is sapped, it gains a 33% damage resistance against a Spy's weapons.

Functionality

General

The Sentry Gun costs 130 Metal to build, 200 Metal to upgrade to Level 2, and an additional 200 to upgrade to the third and final level totaling to 530 Metal. With each upgrade level, the Sentry Gun becomes more powerful, gaining machine guns, rockets, as well as more health and a minor damage resistance to all Miniguns. The firing range remains constant regardless of level. The Sentry Gun's ammo and health may be replenished with Metal by the Engineer hitting it with his melee weapon. Each bullet reloaded costs 1 Metal and each rocket reloaded costs 2 Metal.

When placing a Sentry Gun, the Engineer can see the limit of its range represented by a team-colored sphere of 1100 Hammer unit radius. A Sentry Gun that is being constructed has health increase gradually until it reaches its maximum health upon completion. While automatically scanning, the Sentry Gun rotates 90 degrees about the direction it is pointing; however, it is capable of detecting and rotating the full 360 degrees to lock on to a target. This takes a brief moment, however, which may allow faster foes to slip past its range. The Sentry Gun can also be manually rotated when placing to face a different direction before building commences. When the blueprint is shown, using the alt-fire button (default key: MOUSE2) rotates the blueprints counter-clockwise by 90 degrees.

Properties

As do other Buildings, Sentry Guns emit sound cues to alert players to their presence and status. A scanning Sentry Gun makes a number of beeps every time it reverses its rotation (1, 2 3) — the number of beeps corresponds to its upgrade level, where a Level 3 turret makes three quick beeps. Additionally, this beeping increases somewhat in volume with Level 2 then Level 3 Sentry Gun's level; so, the higher the level, the farther away the Sentry Gun can be heard; this fact can help attentive players find guarded areas. The Sentry Gun's scanning noise sounds slightly different when being fired on by the enemy; slight clicks can be heard along with the regular beeps. The scanning Sentry Gun also makes a distinctive noise when it detects and locks onto an enemy target just before firing — this noise both alerts the enemy of the detection by the Sentry Gun and the team of the presence of an enemy within the range of the Sentry Gun. Enemies detected by a Sentry Gun hear its noise as a slightly different alert noise. All of these scanning noises are silenced when a Sentry Gun is Wrangled.

A Sentry Gun constantly checks if there is an enemy player or building in scanning range with a clear line of sight. If multiple targets meet this criteria, it selects the closest one and switches targets the instant another target is closer, prioritizing players over buildings in its range. Sentry Guns also only attempt to fire once they have lined up with the target, even if firing before then could cause damage to an enemy. Sentry Guns have a maximum rotation and pitching speed when attempting to track a target, which increases with level and is faster than its idle scanning rotation. Sentry Guns still aim and try to fire at enemies even if their ammo reserves are empty.

Sentry Guns cannot see through geometry and Engineer buildings, however they ignore friendly players.

After running out of valid targets for whatever reason, the Sentry Gun briefly stays pointing in the direction of its last detected target before returning to its scanning sweeps.

Since the Engineer Update, players are able to haul their buildings around. An Engineer carrying his Sentry Gun moves 10% slower and cannot fire or change weapons. A redeployed Sentry Gun retains its previous level and automatically sets up twice as fast. Engineers do not lose any Ammo or Metal by moving Sentry Guns (unless the Sentry Gun was picked up with the Rescue Ranger's alt-fire, which costs 100 metal for moving any building). If the Engineer is killed while hauling his Sentry Gun, it is automatically destroyed along with him and gives a notification in the kill icon area of the screen. Sentry Guns under the effects of a Sapper cannot be picked up.

Like most other weapons, the Sentry Gun's weapons have damage ramp-up and fall-off. Sentry Gun bullet ramp-up and fall-off is calculated based on the distance between the enemy and the Sentry Gun. However, the rockets from a Level 3 Sentry Gun calculate their ramp-up and fall-off based on the distance between the enemy and the Engineer who built the Sentry Gun.

Unlike most other weapons, the Sentry Gun's weapons do not gain critical hits. It is possible, however, to make the Sentry Gun deal mini-crit attacks and damage if its target is coated in Jarate, being Marked For Death, or if the Engineer who built the Sentry Gun is close to a Soldier with an active Buff Banner – boosting the damage of each bullet to 22.

Sentry Guns are controlled by the TF2 server rather than the Engineer's client. That means Sentry Guns behave the same regardless of the connection quality of the Engineer that built them.

Specific properties

Included in the Engineer Update as an unlockable secondary replacement, the Wrangler allows the Engineer to take direct control of his Sentry Gun by "marking" targets manually. Doing so shuts down the Sentry Gun's automated target-lock system, but diverts the excess power from the targeting system into speeding up its firing rate, effectively doubling the damage-per-second of the Sentry Gun. The Wrangler also provides the Sentry Gun with a protective shield which absorbs two-thirds of enemy fire while the Wrangler is active. A wrangled Sentry Gun has no maximum range, though its accuracy slightly decreases at longer ranges and its knockback force is halved against targets outside of its normal reach. Once the Engineer switches away from the Wrangler, however, his Sentry Gun is unable to fire for 3 seconds while its auto-lock targeting computer reboots. It is still shielded during this time.

In Mann vs. Machine, Sentry Guns can gain benefits from certain Power Up Canteens their owners use. An ÜberCharge Canteen forms a Wrangler-esque shield around the Sentry Gun, reducing incoming damage by 90%. Use of a Kritz Canteen triples the Sentry Gun's firing rate. An Upgrade Buildings Canteen instantly upgrades the Sentry to Level 3 as well as fully repair it, however it does not refill the Sentry Gun's ammo. Sentry Guns can also be upgraded at Upgrade Stations to increase their health and firing rate, and the Engineer can even buy a Disposable Sentry Gun, allowing him to place a second Mini-Sentry that is slightly worse than a Combat Mini-Sentry.

Vulnerabilities

Sentry Guns are damaged by most weapon effects that damage players; however, some effects are modified for Sentry Guns. Also, weapon damage done to a Sentry Gun does not suffer from range falloff, with the exception of any scatter-based weapons or indirect explosions. A destroyed Sentry Gun drops 65 Metal worth of scrap pieces, which can also be picked up by other classes as Ammo.

Sentry Guns do not fire upon enemy Spies that are cloaked. In general, Sentry Guns do not fire upon enemy Spies that are disguised; however, if the Sentry was firing upon the Spy at the time the disguise was activated, it continues to fire upon the Spy until the Spy cloaks, breaks line of sight, or moves out of range. Sentry Guns also do not fire upon enemies in its range if there is a water surface between them or if the enemy is behind cover – this cover includes the Engineer's Dispenser. Sentry Guns are also unable to fire if an enemy Spy attaches a Sapper to it or while they are being upgraded/built. Feign deaths produced by the Dead Ringer are not added to the Sentry Gun kill/assist counter, but do contribute to the Best Little Slaughterhouse in Texas achievement.

An Engineer is vulnerable to damage from his own Sentry Gun's bullets. For about the first 300 Hammer units of their flight, Sentry Gun rockets pass through the Sentry Gun's Engineer without detonating as if he were another member of the same team. However, if the rockets do strike another surface within this distance and explode, the Engineer is vulnerable to the resulting splash damage. Beyond this initial distance, the Engineer is fully vulnerable to his own Sentry Gun's rockets (the knockback from Sentry Gun self-damage enables the Engineer to perform bullet and Sentry rocket jumps, especially with the aid of the Wrangler).

Metal spending priority

When an Engineer hits a Sentry Gun with their melee weapon, the metal is spent in a certain order:

  1. Health
  2. Upgrade Progress
  3. Ammo
    1. Bullets
    2. Rockets

However, Ammo is usually filled alongside Health and the Sentry Gun's Upgrade Progress. When Ammo is being filled, the bullets for the Sentry Gun are filled first, then the Sentry Rockets are filled.[1]

Demonstraţie

Combat Mini-Sentry Gun

The Combat Mini-Sentries as seen on the Engineer Update page.
Ain't that a cute little gun?
The Engineer on his Combat Mini-Sentry Gun

The Combat Mini-Sentry Gun, also known as Mini-Sentry or simply Mini, is a more combat-efficient version of the standard Sentry Gun and is a component of the Engineer's Gunslinger unlock. It is a smaller Level 1 Sentry Gun outfitted with a rotating light that glows and is painted with a white checkered paint. Like the Sentry Gun, it can be hauled.

Demonstraţie

Advantages

  • Costs only 100 Metal to place (the normal Sentry costs 130 Metal). This allows an Engineer at a full 200 Metal to build both it and a Dispenser without needing additional Metal.
  • Constructs much faster than the original Sentry Gun. Hitting the Sentry makes it construct faster and, when deployed after hauling, it is armed in 1.5 seconds.
  • Cheap and disposable means of area denial.
  • Begins construction with 50 health. This makes the Mini-Sentry less vulnerable while under construction when compared to the default Sentry Gun, which begins construction with 1 health.
  • Fires 25% faster than a Level 1 Sentry Gun.
  • Can rotate 35% faster than the default Sentry Gun.
  • 75% the size of a regular Sentry Gun, making it harder to notice and hit.
  • More useful for Sentry jumping, as the firing rate and reduced damage combine to deal more knockback for an equivalent health loss.

Disadvantages

  • Has only 100 health, compared to a Level 1 Sentry Gun's 150.
  • Cannot be upgraded. The owner and other Engineers can still refill its ammo and health.
  • Deals only 50% the damage per shot of the original Level 1 Sentry Gun. Combined with the 25% faster firing rate, the damage per second is overall 38% lower (~50 DPS compared to the Level 1 Sentry Gun's ~80 DPS).
  • Bullets apply significantly less knockback force (800% knockback multiplier compared to a regular Sentry Gun's 1600% multiplier).
  • Drops zero Metal when destroyed.
  • Once a Sentry jump is executed, not exceptionally useful as part of a base in the new area.

Disposable Mini-Sentry

In Mann vs. Machine, the Engineer can buy a Disposable Sentry that at first glance just looks like a normal Combat Mini-Sentry Gun, however there are a few differences:

  • Has a slower firing speed than a normal Mini-Sentry.
  • Cannot be repaired or have its ammo refilled.
  • Cannot be destroyed by the Engineer who made it - it can only be destroyed by an enemy robot or a Tank if it's placed on its path.
    • Outside damage sources, the disposable will also be automatically destroyed when a wave is finished or when it runs out of ammo.
  • Cannot be wrangled, but still receives canteen buffs.
  • Is 66% the size of a normal sentry compared to the Combat Mini-Sentry's 75%.
  • Is not affected by the building health upgrade (always has 100 max health).
    • However, it is affected by the Sentry Firing Speed upgrade.

Sentry Gun Levels

Nivel Poza de moarte Viaţă Cost
(Metal)
Armament Pagube Muniție
1

RED Level 1 Sentry Gun.png

Killicon sentry1.png Fără scutul Wrangler: 150

Cu scutul Wrangler: 450

130 Mitraliera cu o singură țeavă

Pagube

  • Accelerare maximă: 19,49
  • Pagubă de bază: 16
  • Distanță maximă: 8,45

Interval de atac

  • Fără Wrangler: 0,225 secunde
  • Cu Wrangler: 0,135 secunde

Pagubele în medie per secundă

  • Fără Wrangler: 71,11 - 84,44
  • Cu Wrangler: 118,52 - 140,74
150 Gloanțe
2

RED Level 2 Sentry Gun.png

Killicon sentry2.png Fără scutul Wrangler: 180

Cu scutul Wrangler: 540

330 Mitraliere cu două țevi

Pagube

  • Pagube maxime: 19,49
  • Pagubele de bază: 16
  • Distanța maximă: 8,45

Intervalul de atac

  • Fără Wrangler: 0,135 secunde
  • Cu Wrangler: 0,09 secunde

Pagubele în medie pe secundă

  • Fără Wrangler: 118,51 - 140,74
  • Cu Wrangler: 177,78 - 211,11
200 Gloanțe
3

RED Level 3 Sentry Gun.png

Killicon sentry3.png Fără scutul Wrangler: 216

Cu scutul Wrangler: 648

530 Mitraliere cu țeavă dublă împreună cu salve de rachete Mitraliere

Pagube

  • Pagube maxime: 19,49
  • Pagube de bază: 16
  • Distanță maximă: 8,45

Intervalul de atac

  • Fără Wrangler: 0,135 secunde
  • Cu Wrangler: 0,09 secunde

Pagube medii pe secundă

  • Fără Wrangler: 118,51 - 140,74
  • Cu Wrangler: 177,78 - 211,11

Rachete

Pagube

  • Pagube maxime: 150
  • Pagube de bază: 100
  • Distanță maximă: 52,81

Pagubele sunt calculate luând în considerare distanța dintre Engineer și inamic, nu distanța dintre Santinelă și inamic.

Intervalul de atac

  • Fără Wrangler: 3,06 secunde
  • Cu Wrangler: 2,25 secunde

Observație: Pot fi reflectate de către aerul comprimat al lui Pyro.

200 Gloanțe

20 salve de rachete

Combat Mini-Sentry Gun

Red Mini Sentry.png

Killicon minisentry.png Fără scutul Wrangler: 100

Cu scutul Wrangler: 300

100 Mitralieră cu o singură țeavă

Pagube

  • Pagube maxime: 9,74
  • Pagube de bază: 8
  • Distanță maximă: 4,22

Intervalul de atac

  • Cu Wrangler: 0,09 secunde

Pagube medii pe secundă

  • Fără Wrangler: 44,44 - 55,56
  • Cu Wrangler: 88,89 - 111,11
150 Gloanțe
Santinelă de unică folosință

Red Mini Sentry.png

Killicon minisentry.png 100 Fără Gunslinger: 130

Cu Gunslinger: 100

Mitralieră cu o singură țeavă

Pagube

  • Pagube maxime: 9,74
  • Pagube de bază: 8
  • Distanță maximă: 4,22

Intervalul de atac: 0,225 secunde

Pagubele medii pe secundă: 35,56 - 42,22

Observație: Nu este disponibil decât în Mann vs. Machine printr-o îmbunătățire și nu poate fi reparat, reîncărcat sau controlat cu Wrangler.

150 Gloanțe

Advanced Tactics

Related achievements

Achieved.png Realizări generale

Maestrul Santinelelor
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Omoară 10 adversari cu aceeași santinelă.


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Omoară un Engineer în timp ce își repară santinela atacată de inamici.
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Omoară 5 santinele inamice în timp ce nu ești în raza lor de acțiune.


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Sap-ul de Argyle
Sap-ul de Argyle
Distruge un Inginer, Santinela și Distribuitorul acestuia cu o singură detonare a unor bombe lipicioase.


Leaderboard class engineer.png Engineer

Cea Mai Bună Măcelărie din Texas
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Acumulează 5000 de ucideri cu Santinela ta.


Spărgându-l pe Morant
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Omoară 10 Sniperi cu o Santinelă aflată sub comanda Controlorului.


Blocarea Construcției
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Absoarbe cu Santinela ta protejată de scutul Controlorului 500 de daune, fără ca aceasta sa fie distrusă.


Delegat
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Acumulează 10 asistări cu un alt Inginer, în care a fost implicată o Santinelă.


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Tărâmul Nimănui
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Folosește Santinela pentru a elimina 25 de inamici care capturează un punct.
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Omoară 10 inamici în afara razei normale de acțiune a Santinelei tale, folosind Controlorul.


Răzbungineria
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Pasodoble ca în Texas
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Dez-Santinel-izare
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Mvm navicon.png Mann vs. Machievements

Furat adevărat
Furat adevărat
As an Engineer, escape with your sentry as a sentry buster is about to detonate.
Recuperează
Recuperează
During a wave, use a canteen charged with 'Instant Building Upgrade' to build a new sentry gun within 3 seconds of your previous sentry gun's destruction.

Update history

Patch-ul din 20 septembrie 2007
  • Fixed Sentry muzzleflashes not drawing unless sentry was near the map origin.

Patch-ul din 25 octombrie 2007

  • Engineer buildings now explode when the Engineer dies during sudden death.

Patch-ul din 7 noiembrie 2007

  • Fixed a bug in scoring Engineer building destruction.

Patch-ul din 20 decembrie 2007

  • Sapped buildings now take slightly less damage from the Spy who sapped them.
  • [Nedocumentat] Fixed model exploit in stage one allowing Sentry Gun/Teleporter to be placed behind chain link fence on Dustbowl.

Patch-ul din 14 februarie 2008

  • Added server log entry for buildings destroyed by their owner.
  • Fixed Sentry Gun shadows being clipped.

Patch-ul din 28 februarie 2008

  • [Nedocumentat] Changed Engineer buildings to detonate when a player disconnects instead of blinking out.
  • [Nedocumentat] Fixed Engineer being able to detonate buildings that are being sapped.

Patch-ul din 29 aprilie 2008 (Actualizarea Gold Rush)

  • Mapmakers can now place Engineer buildings directly into a map, with an option for them to be invulnerable.

Patch-ul din 13 august 2009

  • Fixed Sentry Guns firing at a fully cloaked Spy if they're still the closest target.

Patch-ul din 28 aprilie 2010

  • Killing yourself with your own Sentry Gun no longer increments the Sentry Gun's kill counter.

Patch-ul din 30 aprilie 2010

  • Fixed the Engineer being able to build more than 1 of each type of building.

Patch-ul din 8 iulie 2010 (Actualizarea Engineer)

  • Added the ability to haul or move your Sentry Gun, along with having the Wrangler control the Sentry Gun
  • Added a laser light to all sentry models.
  • [Nedocumentat] 'Wrenching' a Sentry Gun now upgrades, repairs and restores ammunition all at once per Wrench hit, prioritizing repairs and upgrading if not in possession of enough metal.

Patch-ul din 9 iulie 2010

  • Fixed an exploit that allowed Engineers to build level 2 or 3 mini Sentry Guns.

Patch-ul din 13 iulie 2010

  • Fixed an exploit where Engineers could create level 3 mini-Sentry Guns.

Patch-ul din 19 iulie 2010

  • Fixed an exploit that allowed team kills with Wrangled Sentry Guns.

Patch-ul din 18 octombrie 2010

  • Fixed a Sentry Gun exploit that let Engineers build multiple Sentry Guns.
  • (Supposedly) Fixed Engineers being able to build level 3 mini-Sentry Guns using the Wrangler.

Patch-ul din 19 octombrie 2010

  • Fixed another Sentry Gun exploit that let Engineers build multiple Sentry Guns.
  • Fixed Engineers being able to build level 3 mini-Sentry Guns using the Wrangler (for real this time).

Patch-ul din 17 decembrie 2010 (Crăciun Australian)

  • Sentry Guns no longer track Your Eternal Reward Spies after they backstab someone.

Patch-ul din 7 ianuarie 2011

  • Updated Sentry kill icons.

Patch-ul din 10 ianuarie 2011

  • Combat Mini-Sentry is given a kill icon.

Patch-ul din 19 ianuarie 2011

  • Fixed the mini-sentry HUD not playing the alert sound when the sentry is sapped or low on ammo.

Patch-ul din 3 februarie 2011

  • Engineers who hit teammate's Sentry Guns with their Wrench now get kill assists from that Sentry Gun.

Patch-ul din 10 martie 2011 (Pachetul Shogun)

  • Fixed the "Best Little Slaughterhouse in Texas" Engineer achievement not counting Wrangler and Mini-Sentry kills.

Patch-ul din 5 mai 2011 (Actualizarea Replay)

Patch-ul din 17 aprilie 2012

  • Fixed being able to place buildings in nobuild zones.

Patch-ul din 27 iunie 2012 (Pyromania Update)

  • Fixed sentry sometimes spawning in shielded mode while the Wrangler was equipped, but not deployed.

Patch-ul din 10 august 2012

  • Fixed Sentry Gun sometimes placing wrong, being rotated into the ground and pointing upward.

Patch-ul din 19 martie 2013

  • Fixed a bug where Sentry Guns would not rotate to face their target under some circumstances.

Patch-ul din 13 mai 2013

Patch-ul din 7 februarie 2014

  • Fixed the Mini-Sentry range-sphere not accurately displaying the range for the sentry when it is being placed.
  • Fixed a UV/skinning problem on the level 1 Sentry Gun.

Patch-ul din 15 mai 2014

  • Fixed a bug that would cause the Sentry Gun’s health to look overhealed when it wasn’t.

Patch-ul din 18 iunie 2014

  • Sentry bullets are now affected by damage falloff outside of sentry scan range.
  • Sentry bullet damage has been changed so it calculates damage based on the Sentry Gun's position, not the Engineer's.

Patch-ul din 10 septembrie 2014

  • Fixed Mini-Sentry collision hull and hitbox being scaled smaller than they should be.

Patch-ul din 7 ianuarie 2015

Patch-ul din 23 iulie 2015 #1

  • Fixed Sentry Guns shooting over the head of Spies using the Box Trot taunt.

Patch-ul din 23 iulie 2015 #2

  • Fixed Sentry Guns having unlimited ammo.
  • Fixed Sentry Gun model being set to level 1 after a Sapper is removed.

Patch-ul din 17 decembrie 2015 (Tough Break Update)

  • After removing a Sapper from a Sentry Gun, there is now a 0.5s delay before the sentry is active again.
  • Sentry Guns brought into a respawn room no longer detonate outside of Mann vs. Machine.

Patch-ul din 18 decembrie 2015

  • Fixed a bug with Sentry Guns being disabled for 5 seconds instead of the desired 0.5 seconds after a Sapper is removed.

Patch-ul din 29 august 2016

  • Fixed mini-Sentry Guns not having full health when they are built quickly during the setup time on Mann vs. Machine maps.

Patch-ul din 1 mai 2020

  • Fixed an exploit where Sentry Guns could fire through thin walls.

Patch-ul din 7 iulie 2022

  • Fixed Mini-Sentry Guns not triggering damage alerts in the HUD

Bugs

  • The player has the ability to build the Combat Mini-Sentry Gun, while having any wrench equipped, by holding out the blueprints for the Sentry with the Gunslinger and then quickly switching to a wrench. The player builds a Mini-Sentry (it still costs 130 Metal). This cannot be done vice versa (equipping the Gunslinger while having normal Sentry blueprints out). If this is done with the Jag the Sentry gets the construction boost effect.
  • Sometimes, when an upgraded Sentry is moved, it fires a bullet between upgrade stages if pointed directly at an enemy or Wrangled.
  • Rarely, after removing a Sapper, all of the Sentry Gun's ammunition, including rockets, is completely gone.
  • A Wrangled Sentry does not play its rocket-reloading animation.
  • Wrangling a Combat Mini-Sentry Gun might result in it remaining in the Wrangled state even when the Wrangler is not the currently active weapon.
    • Switching back to the Wrangler corrects the problem.
  • After the Mini-Sentry finishes its building animation, it sinks into the ground slightly.
  • Occasionally, after being built, a Level 1 Sentry might be frozen in animation and not fire any bullets.
  • There still exists a way to get a Leveled Mini-Sentry on some custom maps.
  • Sometimes, when a Spy saps the Sentry Gun during it being constructed, the Engineer can not destroy the Sapper, making him have to destroy the Sentry Gun, or let the Sapper destroy the Sentry Gun.
  • Rarely, when a Sentry Gun has been sapped and the Engineer has changed class or left the game, the Sapper appears floating in the air.
  • The damage of the Sentry Gun's rockets is calculated based on the distance between the enemy and the Engineer, not the Sentry Gun. Therefore, if the Engineer is closer to the enemy being targeted by the Sentry Gun, it does more damage.

Unused content

  • An unused alternate kill icon for the Level 1 Sentry Gun exists in the game files.

Trivia

  • Radigan Conagher created modern Sentry Gun designs by 1890.[2] The 1890 and current designs are visually identical.
    • Radigan Conagher's notes suggest an earlier steam-powered Sentry Gun design.
  • Valve ordered and received a full size motion-tracking model of a Level 1 Sentry Gun from Weta Workshop.
  • Clicking "View the manual" button on the Steam store page of Team Fortress 2 opens an online PDF file of the Sentry Operating Manual.
    • The Sentry Operating Manual uses the recycling symbol to tell players they can reuse metal from destroyed equipment. However, that the sign was not created until 1970.
    • The cover of the Sentry Operating itself is more like that of the late 1950s to early 1960s, whereas the game itself takes place in July of 1968 (The Calendars). By that point, the font of "Sentry" was outdated and was no longer being used. Industrial (upon which the game is heavily based) used a very basic font even before that.
    • The Sentry Operating Manual is in color, which would be wrong for an industrial manual as most are not in color, especially during the 20th century.
  • On the back of the Level 3 Sentry Gun's rocket salvo, a tab connects three of the four rockets to the device.
  • In Payday 2, on a train robbery mission, the robbers steal a Level 1 Sentry Gun.

Gallery

Sentry Gun levels
Development
Storyline

The Storyline was expanded within the Engineer Update. From Loose Canon, the Sentry Gun Manual, and the Engineer Update Page, it is inferred that Radigan had developed the modern Sentry design before exposure to Australium and that the Engineer obtained the Sentry plans in the early 1960s from his Grandfather's notes.

Sentry Gun Operating Manual
Other images

Merchandise

Articol principal: Merchandise

References

  1. Uncle Dane - Engineer Rules
  2. Loose Canon comic, page 8, Retrieved 2019-03-17

See also

External links