190a5 Flight model and Graphics problems

[funked]

Jekyll:  

My point is that the discussion in this thread concerns the inboard, synchronized cannons.  The 190 was fitted with an interrupter mechanism which prevented the inboard guns from firing when a propellor blade was in front of the muzzle.  This reduced the rate of fire by about 10%.

I did the same test in the game and found that the guns run out of ammo in a hair less than 24 seconds, which gives about 625 rpm.  625 rpm is about 90% of 700 rpm which is the unsynchronized rate of fire.

The weird thing is that if you do the test with the outboard MG 151/20 loaded (on the A-8), all four guns stop firing at the same time.  This implies that the outboard guns are firing a rate of 350 rpm, or they have a double ammo load, or it could be that all four guns fire at the same rate, and the ammo load is distributed equally between them.  

In any case, it's not right.  The outboard guns should fire at the full rate and expend their ammo in 12 seconds.


[This message has been edited by funked (edited 01-19-2001).]

[funked]

Oops I was wrong.  The outer cannons DO run out of ammo after 12 seconds.  It's just that the muzzle flashes keep showing.  I figured it out by taxiing over to hangar and shooting it.  There were four sets of hit sprites for the first 12 seconds, then 2 sets of sprites for the last 12 seconds.  So the rates of fire and firing times for the outboard MG 151/20 are correct.  (60 sec/min) * (140 rounds) / (12 sec) = 700 rounds per minute.


[This message has been edited by funked (edited 01-19-2001).]

[Nath-BDP]

Maybe thats because the outer cannons in the A5 are MG FF and not MG 151/20?

[Buzzbait]

S! RAM and FUNKED

I am trying to contact my acquaintance who has the document sources.  Will let you know.

[Fishu]

Funked is right here..
with continous fire you will still see muzzle flash even after one set of guns are empty

[RAM]

 

Originally posted by Buzzbait:
S! RAM and FUNKED

I am trying to contact my acquaintance who has the document sources.  Will let you know.

Can't wait   I hope you are right!

AH's Fw190A8 with MW50....allied yalls on the sky.....YUMMMMM!!!!!!  

[funked]

Nath:  DOH I'm an idiot, I tested the A-8 not the A-5.  I guess I was fixated on the MG 151/20.

RAM:  Keep in mind that the performance of the current A-8 is equivalent to that claimed for MW 50.  Unless these new documents have some new performance data, don't expect things in AH to change.  I still think we should have GM-1 though, for those stratoBUFF intercepts.  

[StSanta]

Looking at that document, I cannot help but notice one sort of rounds:

MG151/20 2cm geschosspatrone 805m/s

Is that a tracer round?

What's the difference between the MG151 and the MG151/20?



------------------
Baron Claus "StSanta" Von Ribbentroppen
9./JG 54 "Grünherz"

"I am the light at the end of your sorry little tunnel." - A. Eldricht

[Hooligan]

Mg151 is the 15mm version.
Mg151/20 is 20mm.

That round is the Mine round.  I believe the , el nomenclature indicates the tracer variety (and L'Spur is self-destruct) although I am too lazy to look it up at the moment  .

Hooligan

[StSanta]

DOh Iit says so on the page

New question: what velocity does the MG151/20 have in AH?

------------------
Baron Claus "StSanta" Von Ribbentroppen
9./JG 54 "Grünherz"

"I am the light at the end of your sorry little tunnel." - A. Eldricht

[RAM]

 

Originally posted by funked:

RAM:  Keep in mind that the performance of the current A-8 is equivalent to that claimed for MW 50.  Unless these new documents have some new performance data, don't expect things in AH to change.  I still think we should have GM-1 though, for those stratoBUFF intercepts.    

Funked, no

Watch the pages I posted about the petrol injection on the air intake (the booster the 190 has). It increases the performance of the BMW801D from 1730hp (roughly) to 1870hp. That is 140 hp, noticeable, but still FAR away from the estimated 2100hp performance that MW50 booster gave to a BMW801D, according to most sources.


Plus, the MW50 booster works up to 22K feet aprox. The petrol injection does it ONLY at VERY low altitudes.

I'd get the MW50 ALL day over the petrol injection boost  

[bloom25]

Mandoble, while your math is correct, you forgot a few very important variables.  First, the target is not a rectangle.  You are shooting at something that is (fighter) around 10 ft across on the fuselage.  Something as small as a wing or tail could easily pass between the rounds.  You also aren't taking into account dispersion.  You also are assuming that your plane is not moving in relation to the enemy.  The last factor is that you are assuming the shells coming from a single gun.  Since they are mounted in the wings and set to converge at a point, the equations become a little more complicated.

You would only achieve 4 hits if the first round struck the engine cowl and the rest were perfectly alligned with the fuselage.

WHEW this is all too complicated; lets just mount laser beams in the cowl (just like Tie fighters.)    (Btw: My Hispano gun sound is a clip of the lasers from Star Wars.      I end up ROFL every time I strafe a target in a Typhoon. )

I realize this isn't really on topic, but I felt like posting, so I did.  

(Btw: If you think it's hard trying to shoot moving targets with the MG151, try the Shvak in the Yak or La5. )

I now return you to your regularly scheduled thread, already in progress.  



------------------
bloom25
THUNDERBIRDS