Jump to content

  • Log in with Twitter Log in with Windows Live Log In with Steam Log In with Google      Sign In   
  • Create Account

Photo
- - - - -

MITSUBISHI A6M ZERO-SEN (REISEN) "Zeke / Rufe / Hamp" TIMELINE


  • Please log in to reply
10 replies to this topic

#1 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 21 January 2017 - 10:20 PM

                                          Mitsubishi  A5M - A6M2 Model 11 / 21

 

19 May 1937: The IJNAF issues preliminary planning documents for the Prototype 12-Shi carrier-

     based fighter, intended as a replacement for the Mitsubishi A5M Type 96 "Claude".

 

7 July 1937: Beginning of the 2nd Sino-Japanese War that ended 9 September 1945. The 1st

     Sino-Japanese War was from 1 August 1894 to 17 April 1895.

 

September 1937: The A5M Type 96 makes its combat debut over China.

    

5 October 1937: The IJNAF issues its final planning requirements for the Prototype 12-Shi 

     Carrier Fighter; A maximum speed of 270 knots (311 mph.) at 4,000 m., A climb to 3,000 m.

     in 3.5 minutes. A range of 1,010 mls. on internal fuel and 1,685 mls. with auxiliary drop

     tank. Maneuverability equal or better than the A5M. A wingspan of no more than 12 meters.

     Armament to be 2 x 20 mm. cannon in the wings and 2 x 7.7 mm. machine guns in the

     upper cowl + carry 2 x 60 kg. bombs. It had to be able to take off in less than 230 ft. into

     a 30 mph. wind. The landing speed of less than 58 knots (67 mph.).

 

17 January 1938: Nakajima leaves the competition ofter a technical review held at the

     Naval Aircraft Establishement at Yokosuka. They felt the requirements were too

     stringent.

 

April 1938: Mitsubishi's design was approved by the Technical Staff.

 

19 March 1939: 1st A6M1 prototype was completed at Mitsubishis Nagoya plant and

     transferred by ox-drawn cart to the Army's training airfield at Kagamigahara. It was

     designed by a team lead by Jiro Horikoshi.

     Engine: Mitsubishi Zuisei 13: 875 hp.

 

1 April 1939: 1st flight of the A6M1 with Mitsubishi's test pilot Katsuzo Shima. A slight

     vibration in flight was noticed.

    

17 April 1939: The two-blade variable pitch propeller of the original A6M1 was

      replaced with a three-blade constant speed unit which ended the vibration

      problem.

 

25 April 1939: The A6M1 prototype attained 265 knots/3,000 m. (305 mph./9,842 ft.).

 

1 May 1939: The Koku Hombu advised Hirokoshi that the IJNAF intended to replace

     the Mitsubishi Zuisei 13 engine with the Nakajima Sakae 12 offering 950 hp. The

     IJNAF designates the two Zuisei-powered prototypes the A6M1 and the Sakae-

     powered model the A6M2.

 

18 October 1939: 1st flight of the 2nd A6M1 prototype.

 

December 1939: The A6M2 prototype began flight trials. Performance and

     maneuverability exceeded all requirements.

 

21 July 1940: Yokosuka Kokuta sent 15 Type 0 fighters to China for operational

     testing by the 12th Kokutai based at Hankow. Armament: 2 x 20 mm./60 rpg

     wing cannon + 2 x 7.7 mm./500 rpg. cowl machine guns.

 

31 July 1940: The IJNAF formally accepted the Type 0 fighter as the Mitsubishi

     A6M2 Type 0 Carrier Fighter Model 11. This was shortened to Zero-Sen.

 

19 August 1940: 1st mission of the 12th Kokutai.

 

13 September 1940: Zero-Sen pilots claim 27 Chinese fighters shot down over

     Chungking in their first combat with Chinese I-15bis and I-16 fighters with

     no losses.

 

Note: By the end of 1940 the 12th Kokutai pilots had claimed 59 fighers destroyed

     in aerial combat plus another 101 destroyed on the ground for the loss of 3

     Zero-Sens to anti-aircraft fire. This is where the legend of the Zero-Sen's

     invincibility began.

 

Note: To allow the Zero-Sen to fit on the carrier elevators better, Mitsubishi

     introduced folding wingtips on the 65th production aircraft. This became the

     A6M2 Model 21.

 

                                        Mitsubishi A6M4 Model 41 / 42

 

1943: Two A6M2s were fitted with experimental turbo-superchargers for high

     altitude interception. The lack of proper material caused fires and poor

     performance.


Edited by CORSNING, 22 January 2017 - 07:18 PM.


#2 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 22 January 2017 - 12:48 AM

                                               Mitsubishi A6M2-N Type 2 Floatplane Fighter

 

8 December 1941 (Japanese Time): 1st flight of the A6M2 Model 11 floatplane. Production

     began soon after.

 

December 1941-September 1943: 327 A6M2-Ns were built by Nakajima's Koizumi plant.

 

July 1942: The A6M2-N Type 2 Floatplane Fighter Model 11 became operational.

 

 

                                                       Mitsubishi A6M2-K 2-seat trainer

                                              

Early 1942: The IJNAF instructed its technical staff at the Dai-Nijuni Kaigun Kokusho (21st

     Naval Air Arsenal) at Omura to develop a high-performance two-seat trainer.

 

November 1943: 1st of 236 A6M2-Ks completed by the 21st Naval Air Arsenal.

 

May 1944: 1st of 272 A6M2-K completed at Hitachi.


Edited by CORSNING, 22 January 2017 - 01:34 PM.


#3 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 22 January 2017 - 01:33 PM

                                                 Mitsubisi A6M3 Hamp / Zeke 32 / Zeke 22

 

June 1941: The first of 343 A6M3 Model 32s was completed with internal fuel increased to 480

     liters.

     Engine: Nakajima Sakae 21: 1,130 hp./T.O./2,750 rpm.,  980 hp./6,000 m.

     Armament: 2 x 20 mm.Type 99-1 Model 3/100 rpg. cannons in the wings. + 2 x 7.7 mm.Type 97/ 

     500 rpg. machine guns in the upper cowl.

     Wing span: 46' 1 1/16" clipped with square ends which increased level and diving speed but also

     increased turning circle and decreased range.

     Wing Area: 231.746 sq. ft.

 

15 July 1941: 1st flight of the A6M3 Model 32 prototype.

 

December 1942: The first of 560 A6M3 Model 22s was completed. Production of the Model 22 was

     from December 1942 until the summer of 1943. The folding wings of the A6M2 Model 21 were

     re-installed. New larger wing fuel tanks were installed. Attachments for a 330 liter drop tank under 

     each wing were installed.

     Wing Area: 241.541 sq. ft.

 

April 1942: 1st deliveries of the A6M3 Model32 to the IJNAF. Range of this model decreased at a
     greater rate than that of the A6M2 under combat situations because of the thirstier Sakae 21

     engine.


Edited by CORSNING, 22 January 2017 - 09:12 PM.


#4 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 22 January 2017 - 08:41 PM

                                               Mitsubishi A6M5 Model 52

 

June 1943: A6M3 Model 32 No.904 was pulled from the Mitsubishi production line. It

     was given several modifications that were supervised by Mijiro Takhashi. The main

     structural modifications were thickening of the metal wing skinning and rounding off

     of the wingtips.

 

August 1943: Service trials began on the A6M5 Model 52 with a Nakajima

 

March 1944: The 1st of 391 A6M5a Model 52a (Ko) production aircraft is completed by

     Mitsubishi. Records for the number of A6M5a Model 52a aircraft produced by Nakajima

     have been lost. Engine:

     Engine:

     92 octane fuel:   1,130 hp./T.O.,   1.,100 hp./2,850 m.,   980 hp./6,000 m.

     100 octane fuel: 1,120 hp./T.O.,   1,210 hp./2,438 m.,   950 hp../6,584 m.

     Armament: 2 x 20 mm. Type 99-2 Mark 4 cannon/125 rpg. + 2 x 7.7 mm. Type 97/500 rpg./ 

          750 m./s. muzzle velocity and 600m. range.

     Maximum Dive Speed: 460 mph.

     Fuel tanks had automatic CO2 fire extinguishers.

     Windscreen protection was provided by 2 layers of plastic between glass outer sections 50mm.

          thick.

 

April 1944: 1st of 470 A6M5b (Otsu) aircraft is completed from a request after the battle of the

     Philippines to increase armament.

     Armament: 2 x 20 mm. + 2 x 13.2 mm. + 2 x 7.7 mm.

 

19 June 1944: 1st operational combat of the A6M5 was in the Mariana Islands.

 

September 1944: The first A6M5c is completed.

     Armament: 2 x 13.2 mm. cowl + 2 X 20 mm. + 2 x 13.2 mm. wing.

     Armor: 55 mm. glass behind the head rest and armor plate behind the pilot seat.

     Wing skin was thickened again.

 

Note: Some Model 52s are converted to night fighter A6M5-S (Yakan Sentoki) and equipped

     to the 302nd Naval Air Corps. Armament is one20 mm. cannon mounted behind the pilot

     firing upward. Lack of radar kept them from being effective.

 

Early 1945: Seven Model 52s were converted to two-seat trainers designated A6M5-K.



#5 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 22 January 2017 - 09:12 PM

                      Mitsubish A6M6c Model 53c / A6M7 Model 63 / A6M8c Model 64

 

November 1944: Production began on the A6M6c Model 53c with self-sealing wing tanks

     and a Nakajima Sakae 31a engine with water-methanol injection which was erratic and

     performance suffered.

 

May 1945: Production began on the A6M7 Model 63 which was intended for Kamikaze use.

 

April 1945: Two A6M8c prototypes were completed.

     Engine: Mitsubish Kinsei 62: 1,560 hp. and larger cowling and spinner.

     Armament: 2 x 20 mm. + 2 x 13 mm. all in the wings.

 

25 May 1945: 1st flight of the 1st A6M8 prototype.



#6 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 22 January 2017 - 09:21 PM

References:

F4F Wildcat vs. A6M Zero-Sen, Pacific Theater 1942 by Edward M. Young.

The Mitsubishi A6M2 Zero-Sen, Profile Publications No.129 by Rene J. Francillon

The Mitsubishi A6M3 Zero-Sen, Profile Publications No.190 by Rene J. Francillon.

Mitsubishi A6M5 to A6M8 Zero-Sen ('Zeke 52') Aircraft Profile No. 236 by M.C. Richards &

     Donald S. Smith.

 

http://www.wikiwand....ubishi_A6M_Zero


Edited by CORSNING, 22 January 2017 - 09:24 PM.


#7 Laurelix

Laurelix

    Advanced Member

  • Regulars
  • PipPipPip
  • 77 posts
  • Joined 1 Month and 3 Days
  • 12 topics

Posted 30 March 2017 - 11:40 PM

A6M2 Mod 21: (1940)

Wing Area; 22.44m2

Empty Weight: 1680kg

Loaded Weight: 2336kg

Engine: Sakai-12

Take Off: 940hp

4200m: 950hp at military power

:::

Max Speed: (Military power)

431km/h at Sea Level (448km/h with WEP)

510km/h at 4400m (524km/h with WEP)

-

Rate of Climb: (Military Power / WEP)

Time to 1000m: 1:11 / 1:03

Time to 2000m: 2:19 / 2:02

Time to 3000m: 3:27 / 3:02

Time to 4000m: 4:35 / 4:05

Time to 5000m: 5:57 / 5:23

Time to 6000m: 7:30 / 6:56

-

Max Safe Dive Limit: 670km/h IAS (not the rip speed)

-

Turn Time: (1000m, no flaps, 360 horizontal turn)

14 seconds

-

Armament:

2x 20mm Type 99 Model 1 (60 rounds per gun)

2x 7.7mm Type 97 (680 rounds per gun)

 

---

---

 

A6M3 Mod 32: (1941)

Wing Area: 21.44m2

Empty Weight: 1807kg

Loaded Weight: 2535kg

Engine: Sakai-21

Take Off: 1115hp

2286m: 1180hp at WEP

5486m: 1040hp at WEP

---

Sea Level: 995hp at military power

2850m: 1085hp at military power

6005m: 965hp at military power

:::

Max Speed: (Military Power)

545km/h at 6000m (550km/h with WEP)

-

Rate of Climb: (Military Power / WEP)

Time to 1000m: 1:03 / 0:55

Time to 2000m: 2:04 / 1:49

Time to 3000m: 3:05 / 2:45

Time to 4000m: 4:13 / 3:50

Time to 5000m: 5:31 / 4:59

Time to 6000m: 6:55 / 6:19

-

Max Safe Dive Limit: 670km/h IAS (Not the rip speed)

-

Turn Time: (1000m, no flaps, 360 horizontal turn)

15 seconds

-

Armament:

2x 20mm Type 99 model 2 mark 3 (100 rounds per gun)

2x 7.7mm Type 97 (700 rounds per gun)

 

---

---

 

A6M3 Mod 22: (1941) (Mod 22Ko is a 1942 version with slight improvements, performance identical)

Wing Area: 22.44m2

Empty Weight: 1863kg

Loaded Weight: 2679kg

Engine: Sakai-21

Take Off: 1115hp

2286m: 1180hp at WEP

5486m: 1040hp at WEP

---

Sea Level: 995hp at military power

2850m: 1085hp at military power

6005m: 965hp at military power

:::

Max Speed: (Military Power)

541km/h at 6000m (546km/h with WEP)

-

Rate of Climb: (Military Power / WEP)

Time to 1000m: 1:06 / 0:58

Time to 2000m: 2:11 / 1:55

Time to 3000m: 3:15 / 2:55

Time to 4000m: 4;28 / 4:04

Time to 5000m: 5:50 / 5:17

Time to 6000m: 7:19 / 6:42

-

Maximum Safe Dive Limit: 670km/h IAS (not the rip speed)

-

Turn Rate: (1000m, no flaps, 360 horizontal turn)

15 seconds

-

Armament:

2x 20mm Type 99 model 2 mark 3 (100 rounds per gun)

2x 7.7mm Type 97 (700 rounds per gun)

 

---

---

 

A6M5 Mod 52: (1943)

Wing Area: 21.3m2

Empty Weight: 1894kg

Loaded Weight: 2743kg

Engine: Sakai-21

Take Off: 1115hp

2286m: 1180hp at WEP

5486m: 1040hp at WEP

---

Sea Level: 995hp at military power

2850m: 1085hp at military power

6005m: 965hp at military power

:::

Max Speed: (Military Power)

565km/h at 6000m (570km/h with WEP)

-

Rate of Climb: (Military Power / WEP)

Time to 1000m: 0:56 / 0:47

Time to 2000m: 2:01 / 1:45

Time to 3000m: 3:06 / 2:45

Time to 4000m: 4:19 / 3:55

Time to 5000m: 5:42 / 5:07

Time to 6000m: 7:01 / 6:33

-

Max Safe Dive Limit: 670km/h IAS (Not the rip speed)

-

Turn time: (1000m, no flaps, 360 horizontal turn)

16 seconds

-

Armament:

2x 20mm Type 99 model 2 mark 3 (100 rounds per gun)

2x 7.7mm Type 97 (700 rounds per gun)

 

---

---

 

A6M5 Mod 52 Ko: (1944)

This version is slightly heavier due to re-inforced wings (2mm more thick compared to A6M5 mod 52)

This increases the maximum safe dive limit to 740km/h IAS (not the rip speed)

The extra thicker wings decrease the top speed to 561km/h at 6000m (566km/h at 6000m with WEP)

The rate of climb does suffer but its not noticable. Few seconds slower.

It also replaced the 2x 20mm Type 99 model 2 mark 3's for 2x 20mm Type 99 model 2 mark 4's which have 125 rounds per gun.

 

---

---

 

A6M5 Mod 52 Otsu: (1944)

Just like the Ko but gets bullet proof glass in front of the pilot and one of the 7.7mm in the cowling gets replaced for 1x 13.2mm heavy machine gun. Identical performance to the Ko.

 

---

---

 

A6M8 Mod 64: (1945)

Wing Area: 21.3m2

Empty Weight: 2150kg

Loaded Weight: 3150kg

Engine: Kinsei-62 (Ha-112-II)

Take off: 1560hp (WEP)

2000m: 1350hp at military power

5800m: 1250hp at military power

:::

Max Speed: (Military Power)

573km/h at 6000m (??? with WEP) --- Note that this is the same engine as Ki-100-I has and at 6000m, the engine gives Ki-100 28km/h bonus with WEP.

-

Rate of Climb: (Military Power /WEP)

Time to 6000m: 6:46 / ???

-

Max Safe Dive Limit: 740km/h IAS (not the rip speed)

-

Turn Rate: (1000m, no flaps, 360 horizontal turn)

17 seconds

-

Armament:

2x 20mm Type 99 Model II Mark 5

2x 13.2mm Type 3

 

 

Sources:

Japanese Airplanes of the Pacific - Francillon

Bunrindo - Famous Airplanes of the World

Specification and Performance of Service Airplanes of the I.J.N (10th September 1945)

 

 

Fun Facts:

All A6M2 and A6M3 zeros had no armour, no self sealing tanks.

-

All Zeros starring from A6M5 had armour and self sealing tanks. On top of all that they had automatic fire extinghuiser system.

-

Ever wondered why the A6M5 is 24km/h faster than A6M3 mod 22 and why it climber better eventhough it was heavier using the exact same engine?

Heres the answer:

A6M5 Zero (My favourite variant)

In 1943 the F6F Hellcat arrived and US began deploying "Boom n Zoom" tactics. The I.J.N quickly began demanding a faster A6M Zero since A7M was being delayed (most delayed fighter of ww2). The A6M3 Mod 22 had 541km/h at 6000m at military power top speed. The big issue is that how do you make a faster A6M when there is no better engine available. Somehow the designers had to improve the top speed. Some serious improvisation had to be done. The first change was reducing the wing area from 22.44m2 to 21.3m2 and rounding the wingtips. This increased he rate of roll and the smaller wing area reduced drag which increased the max speed. It also recieved self sealing tanks and armour for pilot protection. Fire extinguishers were installed in the wings to protect fuel tanks. The First 200 A6M5's were built but disappointingly the max speed was only 545km/h at 6000m at military power. Only 4km/h increase. This was very disappointing. The designers needed to improvise harder. In the end they decided to give every cylinder in the engine its own exhaust pipe and the exhaust pipes were aimed towards the back giving a "rocket effect" This change also made the engine more efficient. In the end the top speed was increased to 565km/h at 6000m at military power and even the rate of climb improved from 7:21 to 6000m at military power to 7:01 to 6000m. They increased the top speed by 24km/h and even improved the rate of climb whilst also making the plane more rugged which added on weight yet overall instead of losing climb rate due to added weight it came out better than on A6M3 mod 22. Did I mention the roll rate? All with the exact same engine as A6M3. What a bunch of legends All my respects to the designers



#8 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 31 March 2017 - 06:57 PM

Laurelix,

     In your sources you list "Specification and Performance of Service Airplanes

of the I.J.N. (10th September 1945). What exactly is that?



#9 Laurelix

Laurelix

    Advanced Member

  • Regulars
  • PipPipPip
  • 77 posts
  • Joined 1 Month and 3 Days
  • 12 topics

Posted 31 March 2017 - 09:06 PM

Laurelix,

     In your sources you list "Specification and Performance of Service Airplanes

of the I.J.N. (10th September 1945). What exactly is that?

its only this ))))

https://files.ww2air...786f51fba5d.pdf

 

im way too resourceful for a 19 year old


  • CORSNING likes this

#10 CORSNING

CORSNING

    Forum Guru

  • Forum Guru
  • PipPipPipPipPip
  • 2,313 posts
  • Joined 3 Years, 9 Months and 6 Days
  • 173 topics
  • LocationClyde, Ohio, USA

Posted 31 March 2017 - 10:17 PM

Cool Laurelix. Now, I just wish these old eyes of mine were able to read it. :blink:  :)

 

I forgot to add, ...nice find, very nice find. ;)


Edited by CORSNING, 31 March 2017 - 10:36 PM.





0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users