Best Tank Killer of WW2 continued

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I don't know of another fighter that was purpose designed to use the landing gear as dive brakes before the F4U. Of course, the portion of the door which hung down in front of the main strut of the gear was the primary influence on dive speed. The Corsair was found to be able to dive at 85 degrees and was almost as accurate as the SBD which I believe made it slightly more accurate than the SB2C. I wonder how effective a dive bomber could be if a tank was moving at say 15 mph. Dive bombers had a difficult time hitting small ships(much larger than a tank) traveling at speeds of around 15 mph.
 
A lot of the foregoing stuff on WWII is very well gone over, though doesn't hurt to bring it up again. In the same somewhat redundant vein though, it doesn't seem as if there was the same level of operational analysis about the effectiveness of mainly gun-armed tank killing planes on Eastern Front, the type of analysis according to which we can fairly accurately criticize the real accomplishments of western Allied fb's as pure tank killers. A lot more of the German/Soviet accounts seem to come from claims of pilots. OK their heavier guns may been more capable of hitting tanks than rockets or of penetrating them than .50cal/20mm but doesn't mean they didn't also vastly overclaim (perhaps) fooled by the dust stirred up by near misses or by decoy smoke, or attack already dead tanks multiple times (that was clearly a big factor in UN v NK tanks case in Korea).

I have no doubt that some overclaiming occurred. However, guns were inherently far more accurate than RPs or bombs, and didn't suffer from the same aiming difficulties either. Accounts of Hurricane IIDs do indicate that their attacks were devastatingly accurate and effective, against those tanks they were capable of penetrating.
 
renrich, I meant which was the first model of the F4U to have the dive brake setting for the gear. Did all the production models have them?

And I was inclusing napalm for the dive bombing attacks too.

(diving attacks with brakes, firing HVAR's is something to consider too)
 
I have no doubt that some overclaiming occurred. However, guns were inherently far more accurate than RPs or bombs, and didn't suffer from the same aiming difficulties either. Accounts of Hurricane IIDs do indicate that their attacks were devastatingly accurate and effective, against those tanks they were capable of penetrating.

Slightly off topic - but I just saw the A-10 at Gila Range 3. That is one very impressive gun with both the inert AT loads on a T-80 and the HEI..I have seen a lot of firepower demos but I am a Hog convert.
 
Deciding that as a P-47 advocate, I was in dire need of a little more education on the subject of WWII tank-busters, I did a little research, esp as it relates to over-claiming...

One of the popular exemplars of the lethality of the Hs 129 as a tank buster is Major Bruno Meyer's report of his 60+ Hs 129B-2s inflicting a devastating attack on Russian armor on July 8/43 during the battle of Kursk.*

The 26th Guards Tank Brigade were heavily engaged with the panzers. antitank guns, and infantry of the SS LAH, when the Hs 129s (with Fw-190s in support)came to the rescue. 40+ Soviet tanks were claimed as destroyed, for the loss of 2 Hs129s. A smashing success...or it would be if it was only true.

Soviet 11 Guard Corps records show the 26th actually lost 8 T-34s, and 3 T-70s on that date. This while also fighting the elite SS Leibstandarte Adolph Hitler division. It's unlikely that the Hs 129 actually killed even six tanks, some of which were the relatively weakly armored T-70s. So it looks like the degree of German overclaiming (the Luftwaffe claimed the destruction of 1100 tanks during Operation Citadel) is on par with that of the Allies. Not even Rudel's claims should be accepted without a degree of skepticism.

The claim that guns are inherently more accurate than bombs, rockets, napalm, etc, is a valid one but it begs the question of whether that makes them more effective. That the 3 cm Mk 103 and BK 3.7 cannons were not up to the task of efficiently 'knacking' the better Soviet tanks is demonstrated by the increasingly desperate attempts to up-gun the Hs 129, culminating in the Hs 129B-3.

Burdening an already over-weight and underpowered a/c with a viciously recoiling 1500+ Lb 75 mm cannon may make it look ferocious, but it probably posed more danger to the hapless pilot than to Soviet armor. Esp if any fighters chanced upon it. And with pilot losses approaching 20% /sortie, I'm sure the few survivors of the Schlachtgeschwaders were more than happy to trade in their big guns for the Fw 190. The Hs 129 was a dog. It may be appealingly similar in concept to the redoubtable A-10, but in execution...

That the Jug is a more capable combat a/c than the Hs 129 and Ju 87 is indisputable. That it was not more effective as a tank-killer is more a reflection of the lack of specialized anti-tank training, and the inadequate supply of napalm in the ETO. While napalm is a danger when used in close proximity to friendly troops, it is devastating when used against concentrated armor, esp on congested roads.

Tony Williams says,

"One source estimates that probably no more than about 100 tanks were lost due to hits from air weapons during the entire Normandy campaign. In contrast, the RAF's 2nd TAF (including elements of the Air Defence of Britain which took part in the campaign) and the USAAF's 9th Air Force lost over 1,700 aircraft between them."

This lame effort to tie the overall losses (from all causes) of Allied tactical a/c to the relative efficiency of Allied tank-busters is specious to the extreme for reasons that are obvious to anyone, ill-educated in the subject or otherwise. It doesn't even name the 'one source'...

When you get right down to it, NONE of the combatants had a truly effective anti-tank a/c. So I'll cheerfully concede that the P-47 wasn't the 'Best Tank Killer of WWII"'. None of them were good enough to merit such a singular title. The Jug was the better combat a/c, tho.

JL

* Partially derived from: Tank Busting Aircraft at Kursk - The Dupuy Institute Forum
 
The Germans could have also used some more powerful anti tank guns, that were still suitable for aircraft to carry. (a higher velocity 30mm gun, or Better 37 mm gun, like the US M9 or soviet NS-37, both lighter weapons with higher muzzel velocity and heavier projectiles, and the soviet gun had a 60-70% higher RoF than the BK-37 or M9)


But I agree fighter-bombers are probably the best. Not as accurate as dedicated a/c, or as individually effective against the tanks, but they can tangle with enemy fighters and come home. And using HVAR, bombs/napalm, or the panzerblitz II (anti-tank R4M) they had some decent weapons that presented little or no performance penalty once expended/dropped. (the pylons, "zero-length" railless launchers, and R4M racks would add some drag, but very littly weight nothing like rocket rails or externally mounted cannon)
 
Deciding that as a P-47 advocate, I was in dire need of a little more education on the subject of WWII tank-busters, I did a little research, esp as it relates to over-claiming...
I have not the slightest doubt that there was considerable overclaiming in all circumstances where aircraft were involved, simply because the pilots were in no position to confirm the results by direct examination (U-boats suffered from a similar problem). The Germans falsely claimed more than once that the aircraft carrier HMS Ark Royal had been sunk, which you would think would be hard to get wrong :rolleyes:

I also agree that there was no such thing as an ideal WW2 anti-tank aircraft. nobody managed to put together a good combination of aircraft, gun and ammunition: all had some significant disadvantages in terms of their performance or weapon effectiveness in the role. I summarised this in this article: TANKBUSTERS: AIRBORNE ANTI-TANK GUNS IN WW2

Having said that, it is clear from the available evidence concerning the relative accuracy of guns compared with bombs and rockets, that if you wanted to hit a tank-sized object with any kind of reliability, you needed to use guns. The hit rate they achieved in combat was many times greater than with other weapons. And if you wanted to knock the tanks out, you had to use a gun and ammunition combination reliably capable of penetrating at least the side and rear armour of the principal enemy tanks.

Apart from the Hurricane IID and IV (whose 40mm guns lost effectiveness against the later German tanks) and the Tsetse (which was reallocated to Coastal Command duties when the RAF changed its mind) the Allies in NW Europe never had a plane + gun combination capable of knocking out tanks with any reliability. The Luftwaffe and the Russian AF did have such combinations, although they were all flawed one way or another so their performance was not as good as it could have been.

Now if we had had the ground attack version of this plane, the results may well have been different :) BRITISH WW2 MULTI
 
I see it this way, though i am the first to admit I have not researched the subject properly. Killing things by direct close support was not the primary objective of such aircraft. rather it was to cause the enemy to seek cover at the same time as the land forces being attacked should be doing other things, like counterattacking. in this way the airpower is acting as a "force multiplier" for the ground forces. It does not do a lot of killing itself, but it either makes the job of killing the enemy ground forces by ones wn ground forces easier, or vice versa.

So the question ceases to be a direct argument of which aircraft was the best at direct killing, rather which aircraft was the best at keeping the enmy's heads down. At the beginning of the war, the stukas were very effective at this, especially with their sirens wailing. however, by 1944, both the allies and the despised IL-2s were also forcing the axis to keep their heads down, and the Germans always placed the allied air support aircraft as high on the list of reasons for their defeats.
 
I see it this way, though i am the first to admit I have not researched the subject properly. Killing things by direct close support was not the primary objective of such aircraft.........

Hello parsifal,

Well for the Hs129 it was actually designed and used sucessfully in exactly this role; off course it also took its share in strafing or general ground attack missions.

Since the tread title is best tank killer, and not best ground attack or strafer a/c I guess we have to admit to the Hs129 being the best at this specific role.

Regards
Kruska
 
Overclaiming by aviators was a universal trait. It is not difficult to understand why. Poor visibility, excitement, wishful thinking and short view times led all of the participants in the war to overclaim. In rereading Lundstrom's "The First Team," the US Navy pilots consistently in the first 6 months of the war overclaimed by at least 100 %. However, the Japanese pilots were even more enthusiastic in their overclaiming. When you think about it, the time you have to see the damage inflicted on a tank is even less than you have when engaging a ship or airplane, plus you have to be concerned about making your own hole in the ground.
 
As always with overclaiming, the point is to go beyond 'everybody did it' to try to figure *how much* of it there was in given cases. This is my point about tank killing a/c. The overclaims of Allied fb's in Normandy especially are better quantified than those of the Soviets and Germans. The post about about Kursk is interesting and informative. It seems to cast at least potential doubt on whether those gun-type tank killers in that circumstance really *were* much more effective, as opposed to *should have been*.

Also, thinking of wreck surveys and tests in Korea, it's not 100% clear to me napalm was a lot less effective than big guns in knocking out tanks. Napalm cannisters didn't have to hit as close as bombs, because the blob of viscous liquid could roll along the ground, IOW a sizeable variable range error ('short') was acceptable as long as azimuth error was fairly small, and it's easier to get a small azimuth error.

Finally, air combat survivability of the tank-killer aircraft can really matter, and that's a potentially big advantage of the non-specialized fighter bomber when it does matter. Ironically in Korea perhaps the UN air force might have been better off with a specialized tank killer, like an up gunned Il-10 perhaps, because there was little to fear from enemy fighters over the front lines (there no MiG-15's in the period when there was any serious Communist armored ops and they hardly ever appeared over the front anyway; just a marginal NK prop fighter threat early in the war when there any NK tanks to speak of). Whereas at the other extreme as already mentioned Il-10's were almost completely useless to the North Koreans because they couldn't survive against US fighters at all.

Joe
 
The Hurricane IID had some supporting data concerning its accuracy and effectiveness. Some more quotes from Flying Guns – World War 2: Development of Aircraft Guns, Ammunition and Installations 1933-45:

The Hurricane IID saw most of its use with No.6 Squadron in North Africa between May 1942 and May 1943, although it was also used by Nos. 5, 20 and 184 and by No.7 Squadron South African Air Force, and about three hundred were built. It proved both accurate and effective, attacking with devastating effect whenever tanks were caught in the open, away from FlaK cover. To give one example, on March 10th 1943, 19 aircraft were used to attack a strong German column of tanks, armoured cars and supply vehicles advancing on General Leclerc's position near Lake Chad. The column was effectively destroyed by the Hurricanes. Their effectiveness was also acknowledged by the Germans, who became demoralised by the sight of the planes. One prisoner reported the loss of six out of twelve tanks to 40 mm cannon fire in one attack, although it should be noted that the other six were also hit and penetrated but survived the experience (the crews had taken cover away from the tanks so were not injured by the steel fragments flying around inside).

and:

This is not the end of the S gun story as some Hurricane IIDs were transferred to Burma, where they entered the fray in December 1943 with No.20 Squadron. At first no Japanese armour was encountered so they were mainly used for attacking road and river transport, for which HE shells were used. A detachment was sent to operate from the besieged Imphal area and in June 1944 a few Japanese tanks were encountered. All twelve tanks seen were put out of action for the loss of one Hurricane. By the end of the month No.20 had accounted for many other targets, including 501 sampans and 348 dugouts. By February 1945 the squadron was also operating a flight of Hurricane IVs equipped with rocket rails, but the RPs were in short supply so some were fitted with the Class S gun. On February 19th thirteen Japanese tanks were attacked and all destroyed, primarily by the 40 mm guns (confirmed by subsequent examination of the wrecks). When operations ceased in June 1945, No. 20 Squadron was the last RAF Hurricane unit operational in the world.

and:

After the raising of the Imphal siege, firing tests were carried out against captured Japanese tanks, using both Hurricane IIDs and IICs equipped with four 20 mm Hispanos. The IICs had been in Burma since 1942 and following the arrival of Spitfires in the theatre had been tasked with ground-attack duties. The tanks consisted of three medium Type 97 improved (Shinhoto Chi-Ha), and two light tanks, either Light Tank Type 95 (Ha-Go) or Tankette Type 97 (Te-Ke). The test consisted of the IIDs firing both AP and HE ammunition and the IICs firing the usual equal mix of SAP/I and HE/I in a 2x2 sequence. Firing took place against the front, side and rear of the tanks, with attacks launched at angles varying from level flight to a 45º dive.

The IIDs fired 64 rounds of AP scoring 11 hits (17%) and the same number of HE scoring 22 hits (34%), all of them at the medium tanks. Five of the 11 AP hits and seven or eight of the 22 HE hits were assessed as probably putting the tanks out of action. A total of 340 rounds of 20 mm were fired against the medium tanks for 10 hits (2.9%) and a similar number against the light tanks for 9 hits (2.6%). However, most of the HE/I hits were not counted as they were ineffective, so the percentage strike rate was about double that stated. The SAP/I rounds were effective against both medium and light tanks, penetrating the turrets several times.

The trial concluded that diving attacks were more effective, but there was little to choose between the 40 mm AP and HE projectiles as their effect depended on where they hit rather than the type of projectile (this of course would not necessarily be true against more heavily armoured tanks – the medium tanks had a maximum armour thickness of only 25 mm). It seems possible that the higher hit percentage with the HE shells may have been due to the use of the .303" sighting guns; the HE shell muzzle velocity and trajectory were more similar to the .303"'s. The relatively poor hit rate for the 20 mm might have been due to the practice of "walking" the shell strikes up to the target to ensure that hits were scored.
 
There were no Japanese Tanks operating in the imphal area. Even the tankettes that might occaionally be attached to a Japanese Infantry Division were left at the jump off points. The reason I am so sure of this is because the Japanese had to negotiate over 100 kms of trackless jungle to get to Imphal. Also, by June 1944, the Japanese were no longer in or near to imphal, The tanks may have been encountered inside of Burma, but it is almost unbelievable that this could be achieved in the thick jungles of Burma, where the Japanese, proven masters of camourflage, were rarely seen, unless already incapacitated.
 
It would have been interesting if the Typhoon had been fitted with the Vickers S cannon. ANd considering the rocket rails the Typhoon carried, performance may have actually improved.

Hoever I still think rail-less rockets (HVAR, or panzerblitz II) are the optimum armament for a fighter bomber type a/c for this role, due to both the performance benefits and since it doesn't require special modifications or ilimination of the main armament that cannon pods require.


However the P-63 with M9 cannon is an interesting thought, though it never saw production or service.

A single P-63D was armed with an M9 cannon, a very different weapon, far more powerful but also far heavier. Its 37x223SR cartridge gave the same HE round as the M4 a considerably higher muzzle velocity. One of the types of ammunition available was a 752 g armour-piercing projectile with a muzzle velocity of 930 m/s, and at a distance of 460 m this penetrated 60 mm of armour plate. At the same distance the M4 could penetrate only 20 mm of armour. It is obvious that the M9 was much better suited for ground attack, but apparently it was too heavy for fighters. It was also experimentally used on a number of attack aircraft, but its only service use was at sea.
 
Want to know why the best штурмовик Il-2 and Il-10? I explain.
What is "штуромвик" ? "Штурмовик" is such plane which works directly above a battlefield. At strong counteraction of fighters of the opponent and means of air defence. On it all shoots: starting from automatic devices and finishing heavy antiaircraft guns.
Whether it is adapted Ju-87G1 (the protected engine of water cooling having rather poorly, a unit of fire on 12 shells if not I am mistaken, on a trunk), Хе-129 (at which very weak motors, bad review back, absence of defensive arms), P-47 (which carries rather solid loading, but, whether he is capable to operate in conditions of counteraction of fighters of the opponent and air defence?). I think, that was not present.
"Штурмовик" it is based in immediate proximity from a front line. And differently what for he is necessary? And so. P-47 for rise it is necessary 800 m of the concreted strip (but I do not know it with what it is loading). Where you at the front will take the concreted strips in such quantities? It is possible, certainly, folding metal to use... Only our shelfs have P-39 them did not use that was a lot of trouble with them, and the front moved to the West quickly... For rise Il-2 was required 600 m of a ground.
P-47 with bombing loading in ton he will have speed for 600 km/h at the ground (sea level ? ) and range of 1700 m? I doubt. He will turn in slow and very not manevr the purpose.
P-47, Il-2 and Il-10 are good only for the certain conditions. The best "штурмовик", certainly Il-10 (Il-2 not so, and the best would began Su-6 but whereas he has been initially designed under M-71 which have not been finished, he has not gone to a series...). From P-38, P-47, P-51, Tempest, Typhoon, etc. would not be special advantage in conditions of active and adequate counteraction fighter aircraft of Germans, including for the lack of protection of a back hemisphere. The basic lack Il-2 and Il-10 at comparison with P-47, P-38, F4U, etc. - small bombing loading.
The basic worthy competitor at Il-2 and Il-10 is assault variant FW-FW-190F. The powerful, strong, high-speed, strongly armed machine, but - it was not capable to hang above a battlefield to render the greatest possible loss. For the lack of back fire points small groups (on 4, 6, 8 machines) the Soviet fighters dispersed the whole squadrons in which was on 30, 40, 60 and more machines. To you and efficiency... I yet did not meet in memoirs that 4 FW-190, for example, has dispersed Soviet assault shelfs (ШАП)...
Such planes as: P-47, É-38, F4У, Ф6Ф, FW-190, the Typhoon, Tempest are fighters - bombers. Their task unexpectedly to strike and also quickly to escape. They are not intended for work not mediocrely above a front line.
I already wrote above, that in 1943 in the Soviet Air Forces max the allowable level of losses from fire of fighters was 2 of 12 Il- 2. And at Allies 6 from 12 Typhoons. And why? Because ihe not "штурмовик", and a fighter - bomber.
I do not know it the truth whether or not, but after war it was found out, that the American reservation was better only Japanese, conceding on characteristics to other countries.
P.S.: On pictures the 20-mm and 37-mm of fascist shells are submitted to a photo (recently has found only) Soviet Il-2 after hit in them
 

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There were no Japanese Tanks operating in the imphal area.

A quick google revealed:

history 2

"The 14th Tank Regiment fought with the Biritsh in the south of Imphal. In this battle, Japanese tanks first encountered M3 Medium Tanks. In the early fight, a Japanese captured M3 Light Tank destroyed one M3 Medium Tank. That tank shot at the rear of M3 Medium Tank at close range.

The regiment lost almost all tanks during the fights and the retreat. After the battle of Imphal, the regiment was rebuilt near Mandalay and its strenght was about one third of the previous strenght. The regiment fought with the British around Meiktila and was annihirated in April, 1945."

and: Battle of Imphal - Wikipedia, the free encyclopedia

"Yamamoto Force attacked the Shenam Saddle on the main road from Tamu into Imphal. The Shenam Saddle was ideal defensive terrain. Despite using heavy artillery and tanks, Yamamoto could not break through Indian 20th Division's well-sited defences."

and: Japanese Tanks 1939-45 - Google Book Search

This Japanese unit was committed to the disastrous March 1944 Imphal campaign, by the end of which it had been reduced to only four tanks.

and:Ganju Lama, VC | Times Online Obituary

On May 17, 1st/7th Gurkha Rifles of 48th Indian Brigade pushed forward to milestone 33 on the Tiddim road, running northeast towards Imphal. The battalion's task was to clear the Japanese from a complex of bunkers and road blocks impeding the advance of the 17th Indian Division to relieve Imphal. The enemy was known to be wellentrenched, but B Company of 1st/7th Gurkhas, in the lead on the left of the road, was suddenly held down by fire from the 37mm guns of Japanese light tanks, which had apparently appeared from nowhere.
 
Mitya, don't forget about the F4U as a cantidate in the comparison. More maneuverable and much shorter takeoff than the P-47D, and with better max bombload (on the F4U-1D and later) and better range with bombs. (F4U-1D/-4/-5 could carry 2x 1,000 lb bombs and a 178 gal drop tank and take-off from an aircraft carrier, and more if land based)

But that comparison you made seemed to be about ground attack aircraft in general, and not about tank killers.


And I don't know what that statement of the P-47 not coming up aganst enemy fighters durring ground attack missions was about...
 

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