**** DONE: 1/72 Archangelskij Ar-2 - Allied Manufactured Aircraft

Discussion in '#25 Allied Manufactured Aircraft' started by destrozas, Mar 13, 2015.

  1. destrozas

    destrozas Well-Known Member

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    #1 destrozas, Mar 13, 2015
    Last edited by a moderator: Jun 7, 2015
    Username: destrozas
    First name: sergio
    Category: intermeadilly
    Scale: 1/72
    Manufacturer: pavla #72011
    Model Type: Archangelskij Ar-2
    accesory: none

    IMG_4343.JPG
     
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  2. destrozas

    destrozas Well-Known Member

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    #2 destrozas, Mar 13, 2015
    Last edited: Mar 13, 2015
    In the beginning of 1940, the Archangelskiy construction bureau in Zavod 22 aircraft factory worked hard on a perfectioning of the Tupolev SB bomber.
    Two steps of development were taken in consideration:

    an aerodynamic improvement of the plane to achiece a top speed of 500 km/h at 6500 m with M-105 or M-106 engines;
    a full redesign of the plane to reach a top speed of 600 km/h.

    Dive bombing tests

    In 1939, TsAGI (The Central Istitute for Aero and Hydrodynamics) developed a special bomb lock called PB-3, that allowed SB to throw bombs while diving.
    Tests were performed by the crews of Major Zhdanov, Captain Kovalchuk and Senior Lieutenants Subbotin and Piskunov, and show the good functioning of this device.
    During trials of dive bombing from at an angle of 80°", crews confidently stacked bombs in a circle with a radius of 57 m at height of dump of bombs of 2000 m and in a circle with a radius of 126 m at height of dump of bombs of 4000 m.
    For safe recovering after dive, a overload limitator was developed. This acted on elevators, limiting the overload to a pre-setted value (usually 2,9 g) whatever the diving angle, speed, bar position were.

    On July, 15th, 1940 army tests of five serial bombers SB with 2M-105 and airscrews VISh-22E in diving variant began. The bomb lock PB-3 was installed. Simultaneously, also bombers with PB-3 and propellers VISh-23 were tested, also in diving variant.

    SB-RK, later Ar-2

    ar2prof-blackbandr.jpg
    ar2prof-white2r.jpg
    ar2prof-yellow2r.jpg
    ar2prof-white3r.jpg
    ar2prof-camor.jpg
    ar2prof-white4r.jpg
    ar2prof-red2r.jpg
     
  3. CommanderBounds

    CommanderBounds Active Member

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    A very interesting choice of aircraft. Looking forward to this build!
     
  4. Capt. Vick

    Capt. Vick Well-Known Member

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    Yes, perhaps some sprue shots?
     
  5. Wurger

    Wurger Siggy Master
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  6. le_steph40

    le_steph40 Well-Known Member

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  7. Wayne Little

    Wayne Little Well-Known Member

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    Interesting...
     
  8. T Bolt

    T Bolt Well-Known Member

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    Never heard of this one. Should be interesting.
     
  9. destrozas

    destrozas Well-Known Member

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    thanks boys.

    This will try to be on time is very wrong inside almost no detail, which lightens the way to specify it also has some very many task to remove two large remains of the injeccion.

    IMG_4361.JPG

    besides what I read online is not a very graceful mold not be wrong injectao if not for errors dimensions and costly retouching so I have the option of canivalizar the sb2 de novo that I have to improve it but then the katiskha of the Spanish civil war it lost it and is an airplane that I have enough appreciation and did not want to destroy the other so neither modifies so, according anger comes from box by bad this.
     
  10. Wayne Little

    Wayne Little Well-Known Member

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    plenty of work to do...
     
  11. vikingBerserker

    vikingBerserker Well-Known Member

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  12. destrozas

    destrozas Well-Known Member

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    plenty of work to do, nooo.

    I will not give you much of a story in post # 9 is not going to work almost nothing inside, to the cabin I make a more decent platform and little more,

    IMG_4369.JPG

    and me too with mc205 lie on the other GB, and ends up with work.

    but this is not so in fact this aircraft also brings some pretty hard work necessary lace.

    IMG_4370.JPG

    IMG_4366.JPG

    IMG_4368.JPG

    IMG_4367.JPG
     
  13. Wurger

    Wurger Siggy Master
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    Looking good. :)
     
  14. Capt. Vick

    Capt. Vick Well-Known Member

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  15. Aaron Brooks Wolters

    Aaron Brooks Wolters Well-Known Member

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    Interesting choice. Looks like there's a lot of work to be done to.:shock:
     
  16. Crimea_River

    Crimea_River Well-Known Member

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  17. destrozas

    destrozas Well-Known Member

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    it seems but I'll try to return to put into practice the way Andy (Crimea river) put caulking for the link that so great with cuttex putting and putty squadron.
     
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  18. destrozas

    destrozas Well-Known Member

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    thanks fellas
     
  19. Gnomey

    Gnomey World Travelling Doctor
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    Good work so far!
     
  20. JKim

    JKim Well-Known Member

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    Another uncommon subject! Good going!
     
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