30 mm/54 AK-630 (30 mm)
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Vehicles equipped with this weapon
The AK-630 is an up-calibred equivalent to the M61 (20 mm) Vulcan. With a similar performance to the AK-230 (30 mm), the AK-630 is doubtless the father of all low calibre AAA systems. As seen in the AK-230, the dual purpose of the gun leaves nothing to be expected: a fast firing, multi-purpose weapon with devastating ammunition, strong against surface vessels and positively annihilating against airborne threats. The main downside of the AK-630 compared to the AK-230 or the M61 are the lack of changeable ammo belts but still very capable of decimating enemies.
The AK-630 has access to the same HEF-T* and HEF-I* rounds but not AP-T. Be aware as the ammunition carried in the AK-630 is the same as in the AK-230, 2,000 rounds only. Compared to the AK-230, the AK-630 can monstrously eat through those 2,000 rounds within seconds. Compared to other anti-air systems seen at the battle rating, the AK-630 has nothing we have not seen before. It is actually inside the "underpowered" anti-air systems compared to other 30 mm and rotary cannons. However, it compensates the lack of ammo belts with an ROF of ~5,000 RPM. Remember, compared to the M61 Vulcan, the AK-630 might lack penetration, but it is still a 30 mm, meaning a heavier round which flies much faster causing much more damage per round compared to the 20 mm. However, due to both systems ROF, the damage done by them is nearly exactly the same as it is a matter of "how many rounds can be put into the enemy" instead of "how much damage can each round inflict".
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|Belt||Penetration @ 0° Angle of Attack (mm)|
|10 m||100 m||500 m||1,000 m||1,500 m||2,000 m|
Comparison with analogues
Compared to AK-230:
The main difference between both systems is the fact one is a six barrel rotary cannon and the other, two individual cannons. There is not much significant difference between them usage-wise (with the exception of the AK-630 having the ability to be used as a CIWS). However, the increased ROF but the lack of AP-T make this system have a different approach when fighting. While it is able to turn lightly armoured vessels in two seconds into Swiss cheese, the lack of penetration and post-penetration effects make this system not very reliable against heavier targets. The ROF and use of tracers make this gun much easier to use in the anti-air role compared to the AK-230, however, the tracers also provide a really clear warning for the pilots who are being engaged.
Compared to the M61 Vulcan:
While both being rotary cannons, the increase in calibre gives the AK-630 the upper hand despite the lack of AP-T and AP-I belts, belts the M61 has access to. The ROF and fast targetting capabilities make the AK-630 a much more effective AAA but gives the winning stand to the M61 when it comes to penetrating medium armour.
Usage in battles
The AK-630 has very similar handling to the AK-230 mixed with the M61, a quick firing multi-purpose gun capable of destroying surface targets and annihilating airborne targets. The gun has two different engagement modes which will be described further:
"Long range" engagements
The fact the gun has a low dispersion and high muzzle velocity, meaning it has a high accuracy, makes it very good at long range engagements. However, remember the gun has only 3 mm of penetration, meaning you will do absolutely nothing that has a thicker armour. The "long range" engagements of this system for surface targets should not exceed ~4 km (and that is stretching the numbers really high) unless it is a very lightly armoured surface target (sub-chaser, MTB, PT boat, etc etc). Make sure to not hold down the trigger for long, not only because the low amount of ammunition make engagements much complicated but also becasue the gun overheats really fast.
It is pretty straight forward: detect, designate, track, engage. However, again try to avoid trigger happiness. The amount of rounds the AK-630 can put in the air is nowhere near comparable to other AAA systems, but be aware of the overheating and how the enemy plane reacts. A recommended tactic to use while while engaging enemy airborne threats (including bombs and missiles) is fire for seconds in a range of 2-4 seconds. Example: enemy bomber spotted at 8 km - tracking radar locks - engagement begins - trigger is pressed for 1 second - rounds miss and enemy starts to manoeuvre - reaims - trigger is pressed for 2 seconds - aircraft is destroyed. The use of tracking radar makes plane hunting easier, but it should be noted that sometimes tracking radars tend to display a somewhat awkward lead indicator. Use it as a guide but do not solely rely on it. It is really not recommended to utilize the AK-630 in ranges past 5 km, especially because other higher calibre AAA systems will perform much better at long range engagements (especially those with proximity fuze) than a simple 30 mm HE.
Close range engagements
The story completely changes in this matter! The "happy trigger" here is, while important to consider, close range is exactly where this weapon excels at. The fact it has a high ROF, a tremendous guidance speed (60°/s for horizontal drive) make this gun fool-proof. Detect, designate, track, engage. As long as these steps are followed the AK-630 will have absolutely no problems in turning Swiss cheese anything you fight as long as it is not heavily armoured. Fire at discretion. Be aware! If the gun keeps firing for long, it will overheat!
This is where the AK-630 shines! The fact it has CIWS use make this a very capable and potent weapon system compared to other systems. Be aware, it is not as simple as it seems to be used as a CIWS, radar must be used (or cannot be used but then it turns things much harder) if accuracy is to be achieved with ease. While search radars can detect all sorts of flying objects (including ship shells), the tracking radars can only track aircraft, bombs, missiles and rockets. This must be considered as the AK-630 is unable to destroy incoming enemy shells, but is capable of destroying incoming rockets, missiles, and bombs (and obviously aircraft). The ease of destroying the airborne threats varies on a lot of factors: the distance between you and the threat, the speed of the threat, clutter between you and the threat (when more than one radio signals are detected, the tracking radar will have issues locking into one, the distance between the object and the surface, etc) and the reaction time of the user. While the AI will automatically engage enemy aircraft (as long as that option is active), it will not engage bombs, rockets or missiles, this is something the user must do. The smaller the object is, the harder it is to hit; a 100 kg bomb will be harder to hit than a 5,000 kg bomb, same goes for rockets and missiles. However, they are still deadly for the user and it must be careful when one is dropped. Thanks to the AK-630 having an elevation of -12°/+88°, there are no blind spots for the AK-630 (rotation angles effectiveness depend on mount, the MPK Pr.12412 has a full 360° rotation) but the elevation is blocked by the bridge and it is not able to counter threats comming in a ~90° frontal arc (45° per side).
Pros and cons
- Extremely high ROF
- Powerful ammunition due to calibre
- Extremely accurate and fast guidance speed
- Low ammunition count
- Easy to overheat
- Can eat through ammunition within seconds
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|USSR naval cannons|
|30 mm||AK-230 · 30 mm/54 AK-630 · BP "Plamya"|
|37 mm||37 mm/67 70-K · V-11|
|45 mm||45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF|
|75 mm||75 mm/50 Canet patt.1892|
|76 mm||34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15|
|85 mm||85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K|
|100 mm||100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini|
|102 mm||Pattern 1911|
|120 mm||120 mm/50 pattern 1905|
|130 mm||130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13|
|152 mm||152 mm/57 B-38|
|180 mm||180 mm/57 B-1-P · 180 mm/60 B-1-K|
|305 mm||12-inch/52 pattern 1907|
|40 mm||2pdr QF Mk.IIc (Britain)|
|47 mm||3 pdr QF Hotchkiss (Britain)|
|152 mm||152/53 mm O.T.O. Mod.1929 (Italy)|