Hearts of Iron IV

Hearts of Iron IV

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which is better, rockets or conventional artillery?
That is the question, forgetting about the cost of production, which is better, conventional artillery or rocket artillery?

I see that rocket artillery has 36 light damage and conventional artillery has 34, but conventional artillery seems to have more advantage modifications, although I could be wrong
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Showing 1-14 of 14 comments
Jetfish Jun 9, 2021 @ 8:37am 
I like conventional artillery more as im just used to having templates and production lines for it and am too lazy to swap but it good be better i would try it out.
Don Felipes Jun 9, 2021 @ 8:37am 
I think breakthrough is the key.
monicaida25 Jun 9, 2021 @ 8:40am 
Originally posted by Don Felipes:
I think breakthrough is the key.

I don't know exactly how breakthrough works, I usually try to do as much soft damage as possible. :-/
Strrog Jun 9, 2021 @ 8:56am 
the only plus to rocket artillery is that you can put it as another damage support brigade
Harbaugh Jun 9, 2021 @ 9:02am 
No expert and I know OP doesn't care about production cost, but motorized rocket artillery is a cheap alternative to SPGs
mk11 Jun 9, 2021 @ 9:14am 
rocket artillery has 80% reliability rather than 50% for artillery so takes less attrition losses.

to get the best value from rocket artillery you need the rocket engine researches so quite a bit of research cost unless you are doing those anyway

truck-mounted rocket artillery (not motorised) are the best soft attack for an artillery battalion

Generally, artillery are better for defense and rocket artillery for attack
monicaida25 Jun 9, 2021 @ 9:27am 
initially i also thought the only advantage was an extra supporting artillery piece, but i hadn't thought about rocket research, that's a good point

Apart from that, it can be said that it is cheaper than conventional artillery, because steel is usually a precious commodity that is scarce for most countries that are not interesting, and there are usually more countries willing to export tungsten than steel.

Thanks for the answers, I think everything is clear :)
rocket artillery vastly superior if you plan on using it on the offensive because of breakthrough. If you don’t know the mechanics, know this: breakthrough is the key to winning offensive attacks.

Artillery is usually better no the defensive and definitely cheaper research-wise.

Rockets also have super bonuses you can get on the rocket research line. Again, expensive, but very effective.
Last edited by mark.r.hendrickson; Jun 9, 2021 @ 11:13am
Artillery is more for defensive units and Rockets are for offensive units( more Soft Attack). So, I usually give artillery to my 20w units and then switch over all my 40w units to Rockets.
Last edited by 5-6-5-7-7-7-4-3-4-6-089-9; Jun 9, 2021 @ 12:40pm
Leo3ABP Jun 10, 2021 @ 3:40am 
Originally posted by monicaida25:
Originally posted by Don Felipes:
I think breakthrough is the key.

I don't know exactly how breakthrough works, I usually try to do as much soft damage as possible. :-/
Breakthrough acts as Defence for the attacking unit. So when calculating hit rolls, defender uses the Defence stat and attacker uses the Breakthrough stat to check how many attacks get reduced down to 10% hit chance.
You can put mobile rocketry on naval invading divisions which has more soft attack for the naval invasion but for the rest it doesn't really matter because you have to research stat boosts for it before rocketry gets better than artillery.
monicaida25 Jun 10, 2021 @ 5:51am 
Originally posted by Leo3ABP:
Originally posted by monicaida25:

I don't know exactly how breakthrough works, I usually try to do as much soft damage as possible. :-/
Breakthrough acts as Defence for the attacking unit. So when calculating hit rolls, defender uses the Defence stat and attacker uses the Breakthrough stat to check how many attacks get reduced down to 10% hit chance.

Let's see if I understand, if I am attacking an enemy division, my enemy uses defense, but if another division attacks my division that is already attacking, will my division use Breakthrough?
Leo3ABP Jun 10, 2021 @ 7:14am 
Originally posted by monicaida25:
Originally posted by Leo3ABP:
Breakthrough acts as Defence for the attacking unit. So when calculating hit rolls, defender uses the Defence stat and attacker uses the Breakthrough stat to check how many attacks get reduced down to 10% hit chance.

Let's see if I understand, if I am attacking an enemy division, my enemy uses defense, but if another division attacks my division that is already attacking, will my division use Breakthrough?

No.

When your division attacks, it will use it's attack values (both soft and hard, though how many will depend on enemy division's hardness ratio) to "shoot" at enemy division, and enemy division will use it's own attack values to "shoot" back. However, the enemy division in this case will use its defence value against your "shots" while your division will use breakthrough value against enemy "shots". If in the meanwhile another division attacks your division, I think your division will use its defence value against that particular attacking division. So in a nutshell, attacker uses breakthrough value to defend against enemy "shots" while defender uses defence value to defend against enemy "shots". If division is both attacking and being attacked at the same time, it will count as two separate battles in one of which your division is the attacker, and the defender in another.

I highly recommend to read HoI4 paradox wiki which contains articles on how stats work and how combat is resolved including underlying math. While you don't need to memorise formulas and play with a calculator in your hand, some general knowledge of how combat is resolved under the hood will help you to devise your own rules of thumb for different combat scenarios and will allow you to make informed decisions when designing your divisions. By then you will probably also realise that most of the division template guides out there are quite a garbage.
monicaida25 Jun 12, 2021 @ 4:09am 
Originally posted by Leo3ABP:
Originally posted by monicaida25:

Let's see if I understand, if I am attacking an enemy division, my enemy uses defense, but if another division attacks my division that is already attacking, will my division use Breakthrough?

No.

When your division attacks, it will use it's attack values (both soft and hard, though how many will depend on enemy division's hardness ratio) to "shoot" at enemy division, and enemy division will use it's own attack values to "shoot" back. However, the enemy division in this case will use its defence value against your "shots" while your division will use breakthrough value against enemy "shots". If in the meanwhile another division attacks your division, I think your division will use its defence value against that particular attacking division. So in a nutshell, attacker uses breakthrough value to defend against enemy "shots" while defender uses defence value to defend against enemy "shots". If division is both attacking and being attacked at the same time, it will count as two separate battles in one of which your division is the attacker, and the defender in another.

I highly recommend to read HoI4 paradox wiki which contains articles on how stats work and how combat is resolved including underlying math. While you don't need to memorise formulas and play with a calculator in your hand, some general knowledge of how combat is resolved under the hood will help you to devise your own rules of thumb for different combat scenarios and will allow you to make informed decisions when designing your divisions. By then you will probably also realise that most of the division template guides out there are quite a garbage.

it's very clear, thank you for the information ^-^
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Date Posted: Jun 9, 2021 @ 8:14am
Posts: 14