Hurri 40mm

[dedalos]

Does anyone know how to use it?  I had conv set to 400 and it took 5 rounds for an M16 but could not hurt a flak or a panzer.  Is there a trick to it?

[Kweassa]

M16s and flaks are usually strangely resistant to A2G fire. Unless some amount of rounds directly land on the guns, an Osty or M16 won't be disabled. Besides, these are literally anti-aircraft vehicles, and trying to strafe them is not recommended.

 
 In case of Panzers, the best approach is a very steep attack against the rooftop armour. A 90 degrees attack on the rooftop will not disable, but explode a Panzer4 with just 1 volley(2 shells) of 40mms.

[Furball]

Hurri IID cannon is LETHAL vs Panzers.  havent had much luck with m3's, m16's, osties (i dont attack em in it), T-34's or Tigers in it though.

Its all in the angle...

[dedalos]

So, aim for the top at a 90 deg or close then?  Speaking of flaks, someone killed me from about 3.5K out last night so I decided to get revenge.  Upped 110 and desabled his gun on first pass.  After all the 110 amo was exausted, he was still there, smoking.  He did not die till a panzer took him out and I got the kill.  Is that normal? (not RL but for the game)

[Sikboy]

Originally posted by Furball
Hurri IID cannon is LETHAL vs Panzers.  havent had much luck with m3's, m16's, osties (i dont attack em in it), T-34's or Tigers in it though.

Its all in the angle...

I wonder if the Shells are going through the thinner skinned vehicles, without exploding?

-Sik

[CMC Airboss]

The key to immobilizing or killing tanks is to dive at a 45° angle or greater.  Aim for the top of the turret (most vulnerable) or top of the engine comparment.  If forced to attack from a lower angle, due to a tank's location in a forest, aim for the treads.   Aim carefully and fire one or two times then pull off high for another attack.  Using these tactics, I've killed as many as 7 Tigers on one ammo load (they were under friendly GV attack, but I got the kills).   Remember that immobilizing or rendering the main gun inoperable is almost as good as an outright kill.  If they remain in the tank, they can't do anything but watch.  If they ditch, you get the kill with no further ammo expenditure.

MiG

[Pongo]

Yes dedelos its an old trick. up a 110 and go arround and strafe all the gvs you can find. No matter who really kills them the game will give you the credit for it becuase the 30mms pile on so much useless HE damage.  Dont know how many times I have droped 1k bombs direclty on a tiger only to have the local 110 dweeb get the kill, or even upped a tiger to kill a tiger only to have the kill go to the guy orbiting in a 110.

[Tails]

On the topic of the Hurricane IID:

First, 400 yards is too far for the convergence. Set it closer to 200. This is a LOW VELOCITY gun, so it needs to be fired close.

Second, pretend it is a semi-automatic, and get used to firing one shot per trigger pull.

Third, as mentioned, try to attack the deck armour, or failing that aim for the rear of the tank. Turret hits will sometimes work as well, as you sometimes get lucky and hit the ring.

Fourth, as a low velocity gun, needing to be fired close, I would reccomend not firing until you are close enough to count rivets (or atleast see the squadron art on the side, if attacking from that angle).

These are the things I do when flying the IID, and I seem to come out rather successful with it.

EDIT: On shells 'overpenetrating' with the 40mm Vickers. From my understanding, these were heavy, solid, slugs. They did their damage from the mass of the projectile with whatever velocity was available acting on it. Kind of like shooting something with deer slugs from a shotgun. Having said that, over penetration would have the same lack of effect on a lightly armoured target as it would with an explosive round, only with the added 'saftey' of not having a projectile buried in the dirt beside you that may still decide to explode later.

[Rolex]

Here is film (by the world-famous tank disabler, Urchin) of the Hurri disabling tanks:

Link >>

Note that the angle is not 90 degrees and the firing distance is not so close.

[Urchin]

Unless I'm mistaken, I made that film to illustrate to someone how I knock out the turets on tanks with the Hurri-2D..  

I'd have to check where I have the convergence set, I tend to shoot right around 300 yards though, so that is probably a good place to set it.  

I aim for the top of the turret, usually in a dive ~45-60 degrees.  90 is a bit over the top, you'll probably auger in if you fire at that steep an angle.

One hit to the top of the turret will knock out the gun on any tank we've got in the game right now though.  Killing them outright is a little tougher, so I usually just go for disabling the gun.

[Tails]

You mean, setting the guns to converge at the lowest setting AH2 allows (something like 150 or 175) and firing 'semi-auto' at suicidally close range on the 'south' end of a tank isn't supposed to work?

I must be getting lucky, then...

[nirvana]

If you dive on a Flak and put 2 40MM right down in it, the Flak Panzer is sure to explode it is open anyway.  Other then that i usually aim for the treads or rear.  Seems there are only 4 spots on tread to hit anymore though, the 2 exposed sides at the ends on each side.  better off going for top.

[Tails]

An open-topped Flak is actually a rather vulnerable target for the 40mm when aiming at the turret. Especially if you can catch the gunner distracted, or possibly in transit, and thus not shooting at you.

M16's on the other hand...I seem to run into occasional trouble killing them, possibly from over penetration through a virtually unarmoured turret (although someone needs to explain to me how a human being can survive two 40mm sucking chest wounds). Best angle I find for an M16 is, like the tanks, from dead six firing right up the exhaust pipe (pulling the trigger when you can actually SEE the exhaust pipe ).

[JeffATC]

Originally posted by dedalos
Speaking of flaks, someone killed me from about 3.5K out last night so I decided to get revenge.  Upped 110 and desabled his gun on first pass.  After all the 110 amo was exausted, he was still there, smoking.  He did not die till a panzer took him out and I got the kill.  Is that normal? (not RL but for the game)

Dedalos, I think I was the flak you're referring to (you were in a Spit I believe).   You were actually only between 1.0 to 1.5k out when I hit you.  Shortly thereafter, a 110 did take out my turret, somebody else got my treads, and I sat there for a long time waiting to die.  I guess ord must have been down, I was there a good 10-15 minutes in the open getting strafed by everything and anything until the Panzer finally got me.  Rarely will machine guns or cannons kill my Osti, it usually takes bombs or a tank.  Ya did a nice job on my turret though.  

[Tony Williams]

The tactics you're using in the game seem very different fom the ones used in RL. This is an extract from 'Flying Guns – World War 2: Development of Aircraft Guns, Ammunition and Installations 1933-45':

"The gun was capable of automatic fire, but in fact the first shot from each cannon pushed the nose of the aircraft down and off the target, so in practice only single shots from each barrel were fired, the sights being brought back into line before the second salvo. Pilots learned to pull back slightly on the control column at the moment of firing, in order to minimise this effect. The typical attack profile saw the Hurricane diving from 1,500 m before levelling off just above the ground at 400 km/h. The first shots were fired at about 900 m with two further salvoes being fired before the pilot pulled up to avoid hitting the target."

I took this from a description of the tactics used in the Western Desert.

Although the 40mm gun had a relatively low velocity, the projectile was long and heavy and therefore retained its velocity better than the light, high-velocity German Hartkernmunition used in the BK 3,7, so it wasn't so badly affected by distance.

Tony Williams: Military gun and ammunition website and discussion
forum