Yes
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Ye I agree with that. 400 RPM would be the lowest possible.
One thing to note is that Japan used 30% safety margin for the mechanically synchronized nose cannons.
Ki-43-I with its 2 blade props would have higher rate. Ki-43-II & Ki-43-III would be having a lower fire rate due to the 3 blade props. Ki-84 would be the lowest firing with its Ho-103.
One thing about them is that the nose mounted army cannons use HE, so they had to put extra measures, like the engine armor on Ki-61-I tei.
What is considered is that Ho-103 in this game has the constant 900RPM regardless of the installation, no way it’s right. And the whopping 950 RPM for Ho-5, literally double that of nose mounted Ho-5 in 4 bladed configuration.
By using Logitech G hub. I recently tried modelling the correct fire rate for the guns. By putting 10 milliseconds push-pull delay and a variable span between the cycle.
Ki-43-I with 700RPM, Ki-43-II with 600RPM, Ki-84 with 400RPM seemed reasonable to me. Though it’s based on my broad guessing.
Type 97 7.7mm machine guns on naval aircraft are also stated to have a rate of around 600 - 700RPM.
Despite the non-constant fire rate, having that much variance on the fire rate means it’s actually affected by the propeller’s condition more than the inconsistency. Firing 1000 rounds and the luck would be almost certainly negated, so the cause for that 100RPM difference is the props. Not specifically the number of the blades but the revolution per minute.
About P-39, yeah it’s a total exception from any other installation methods.
I read somewhere that prototype hurricane used hydro… what is that, sonic pulse thing…? To sync the guns. That’s pretty cool. Mg151 and Mg131 have the Electrical primer for the ammo, and most other guns of German heritage used Electric signals to time the firing. So they are less affected by the mechanical delay per shot. That’s why Mg131 still has the high fire rate in the cowl mounted configuration, and MG 151 is able to be fired through propellers even though they are mounted in the wing roots. This is to just inform the players visiting here, not trying to correct anyone. I think having these things modelled in this game would be pretty cool. Though the gun firing sounds are specific to that fire rate of the guns and they can’t really be optimized for different fire rate, since all the “Loop” audio files are in the length of that specific time span between each firing. M4 37mm cannons and alike use singular file for both single fire and automatic, and these sounds play fine in automatic firing, so all guns with variable fire rate can be formatted that way. If they are to make a change, that is.
Japanese 50 cals and 20mm utilize HE rounds of high filler contents, so that even for 50 cals they needed extra safety margin with the already aging mechanical synchronization system. That’s what I’m guessing as the explanation for such low fire rate in the nose.
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Aw shucks, it’s really weird that others can’t see the pre-edited post. I just changed the line “can’t optimized” to “can’t be optimized” since that’s the correct way of saying things. That’s all.