Difference between revisions of "Object 685"

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== Description ==
 
== Description ==
 
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The '''{{Specs|name}}''' is a rank {{Specs|rank}} Soviet light tank {{Battle-rating}}. It was introduced in [[Update 1.91 "Night Vision"]].
 
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Soviet light tank {{Battle-rating}}. It was introduced in [[Update 1.91 "Night Vision"]].
  

Latest revision as of 10:51, 15 September 2019

Object 685
ussr_object_685.png
AB
RB
SB
General characteristics
Brief
Detailed
9.0/9.0/9.0BR
3 peopleCrew
front / side / backArmour
18 / 43 / 6Hull
50 / 43 / 43Turret
Mobility
16.5 tWeight
77 km/h forward
22 km/h back
69 km/h forward
20 km/h back
Speed
Armament
100 mm 2А48 cannonMain weapon
40 roundsAmmunition
-4° / 17°Vertical guidance
two-planeStabilizer
7.62 mm SGMT machine gunCoaxial weapon
2 000 roundsAmmunition
250 roundsBelt capacity
600 shots/minFire rate
Economy
390 000 Rp icon.pngResearch
1 020 000 Sl icon.pngPurchase
Sl icon.png15 000 / 25 709/11 000 / 18 853/3 800 / 6 513Repair
290 000 Sl icon.pngCrew training
1 020 000 Sl icon.pngExperts
2 100 Ge icon.pngAces
× (232) % Rp icon.pngReward for battle

Description

GarageImage Object 685.jpg


The Object 685 is a rank VII Soviet light tank with a battle rating of 9.0 (AB/RB/SB). It was introduced in Update 1.91 "Night Vision".

General info

Survivability and armour

Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.

Mobility

Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forward and backwards.

Mobility characteristic
Weight (tons) Add-on armour
weight (tons)
Max speed (km/h)
16.5 N/A  ?? (AB)
 ?? (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade  ???  ???
Realistic/Simulator  ??? 400
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade  ??.??  ??.??
Realistic/Simulator  ??.?? 24.24

Armaments

Main armament

Main article: 2A48 (100 mm)
100 mm 2A48
Capacity Vertical
guidance
Horizontal
guidance
Stabilizer
40 -4°/+17° ±180° Two-plane
Turret rotation speed (°/s)
Mode Stock Upgraded Prior +
Full crew
Prior +
Expert qualif.
Prior +
Ace qualif.
Arcade  ??.??  ??.??  ??.??  ??.??  ??.??
Realistic  ??.??  ??.??  ??.??  ??.?? 20.00
Reloading rate (seconds)
Stock Prior +
Full crew
Prior +
Expert qualif.
Prior +
Ace qualif.
 ??.??  ??.??  ??.?? 6.0

Ammunition

Penetration statistics
Ammunition Type of
warhead
Penetration @ 90° (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
3BK17M HEATFS 390 390 390 390 390 390
3BM25 APFSDS 335 330 307 290 275 260
BR-412D APCBC 239 236 223 207 192 178
OF-412 HE 20 20 19 19 19 19
Shell details
Ammunition Type of
warhead
Velocity
(m/s)
Projectile
Mass (kg)
Fuse delay
(m)
Fuse sensitivity
(mm)
Explosive Mass
(TNT equivalent) (g)
Normalisation at 30°
from horizontal
Ricochet
0% 50% 100%
3BK17M HEATFS 1,085 9.96 N/A 0.1 1439.9 +0.0° 65° 72° 75°
3BM25 APFSDS 1,430 3.4 N/A N/A N/A +1.5° 76° 77° 78°
BR-412D APCBC 887 15.9 1.2 19.0 93.9 +4.0° 48°  ??° 71°
OF-412 HE 880 15.2 0.1 0.5 1462 +0.0° 79° 80° 81°
Smoke shell characteristics
Ammunition Velocity
(m/s)
Projectile
Mass (kg)
Screen radius
(m)
Screen deploy time
(s)
Screen hold time
(s)
Explosive Mass
(TNT equivalent) (g)
3D3 880 15.6 20 5 25 272

Ammo racks

Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
5th
rack empty
6th
rack empty
Visual
discrepancy
40  ?? (+??)  ?? (+??)  ?? (+??)  ?? (+??)  ?? (+??)  ?? (+??)  ??

Optics

Object 685 Optics
Default magnification Maximum magnification
Main Gun optics X3.5 X8.0
Comparable optics  ???

Machine guns

Main article: SGMT (7.62 mm)
7.62 mm SGMT
mount
Capacity
(Belt capacity)
Fire rate
(shots/minute)
Vertical
guidance
Horizontal
guidance
2,000 (250) 600 N/A N/A

Usage in battles

Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Modules

Tier Mobility Protection Firepower
I Tracks Parts BR-412D Horizontal Drive NVD
II Suspension Brake System FPE 3BM25 Adjustment of Fire Airstrike
III Filters Crew Replenishment Elevation Mechanism Smoke grenade Laser rangefinder
IV Transmission Engine ESS Artillery Support Improved optics 3D3

Pros and cons

Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".

Pros:

Cons:

History

After production of the PT-76 was discontinued, Soviet engineers began work on developing a suitable replacement around a set of requirements provided by the military. The requirements were sent to three different design bureaus, with each bureau developing its own vehicle around the given specifications.

One of the proposed designs, the Object 788, was disqualified early from the competition due to being incomplete and missing several key features mandated by the requirements. The other two designs, the Object 685 and Object 934 were both deemed as sufficient, and work on them continued. By the mid 1970s, both vehicles were built and tested, but neither managed to garner enough interest to warrant a production order being issued. Despite not making it past the prototype stage, design solutions from both vehicles were later applied to other Soviet fighting vehicles.

- From Devblog

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the vehicles;
  • links to approximate analogues of other nations and research trees.

External links


USSR light tanks
  T-60 · T-70 · T-80 · T-50 · T-126(SP)
T-26  T-26 mod. 1939 · T-26 (1st Gv.T.Br.) · T-26E · T-26-4
BT  BT-5 mod. 1933 · RBT-5 · BT-7 mod. 1937 · BT-7 (F-32)
BMP  BMP-1 · BMP-2 · BMP-3
Floating  PT-76B · Object 906 · Object 685
China  ▂Type 62