P-40 Twin

Discussion in 'Start to Finish Builds' started by T Bolt, Sep 28, 2013.

  1. T Bolt

    T Bolt Well-Known Member

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    #1 T Bolt, Sep 28, 2013
    Last edited: Feb 21, 2016
    I've been kicking around the idea of building this one for years, and I recently acquired a lot of 3 box-less 1/48th scale AMTech P-40F’s for $20 so I thought now was the time. It will be a long term project so please bear with me.

    Picture 1) There’s been some discussion about this photo on the internet and it’s rather a mystery. There’s no record of a twin P-40 ever having been made and the only evidence of one is this photo. The serial belongs to a P-40C, but the rear fuselage obviously belongs to a later model, either a ‘D’, ‘E’, or short tail ‘F’. The engines are Merlins, probably from an ‘F’, and something else I noticed was that there is no wing to fuselage fairing.
    P40 TWIN.jpg
    Picture 2) This is a profile originally of a P-40F that I modified to depict the aircraft I intend to model. I’ll be working under the pretense that the aircraft in the picture was a mock-up and what I’ll be modeling is the production model. side.JPG top.JPG

    Front.JPG
    One of the obvious weak points of the mock-up is side visibility. With those high mounted Merlins it would be like flying in a box, so in my production version the engines will be mounted lower, the centerline of the props even with the center of the wing. This isn't as much improvement as it would have been with the top of the engine even with the top of the wing, but that would have required the landing gear to be much too long for prop clearance.
    I've also chosen to put a longer nose on it than what appears to be on the mock-up if the mock-up was fitted with a nose at all. If it was it was a very stubby one. I figure at least a couple more fifties than the standard P-40.
    Also, to leave the landing gear in the original position as on the mockup I think is just silly with the nacelles right there, so I've moved them to that new position.
    I chose to base it on the P-40F model for several reasons. First I think the longer tail that was introduced to handle the increased power of the Merlin and later Allison engines would be an absolute necessity with the twin engines, and second, I think if you were going to the trouble to increase the power of a P-40 like this you’d want the higher service ceiling of the Merlins.

    So here goes. It may never have flown, bit it would have been on wicked looking machine.
     
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  2. T Bolt

    T Bolt Well-Known Member

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    #2 T Bolt, Sep 28, 2013
    Last edited: Feb 21, 2016
    Construction begins……sort of

    Before I go ahead and cut up two perfectly good AMTech P-40F models (picture 1) I want to make sure this is going to work so I’ll be putting together a “feasibility study” made up from two old 1/72nd scale Heller P-40E’s I had in my stash (picture 2-5).

    .

    P9270418.JPG P9270419.JPG P9270420.JPG P9270421.JPG P9270422.JPG First step was cutting them apart (picture 6). The older kit is the darker one and is made of much harder plastic so if I have a choice I’ll use the newer kit for areas that will need a lot of re-working such as the bottom of the wings P9270423.JPG Picture 7) I’ve done 80% of the work of filling the wheel wells and removing the landing gear fairings. P9270424.JPG Picture 8 ) The engines and fuselage glued together P9270425.JPG Pictures 9 10) General arrangement of the parts P9270426.JPG P9270427.JPG
     
  3. Wildcat

    Wildcat Well-Known Member

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    Very cool Glenn! I like that box art as well, I've never seen them before.
     
  4. Lucky13

    Lucky13 Forum Mascot

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    Looking awesome pal! :thumbright:
     
  5. rochie

    rochie Well-Known Member

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    great project Glenn, almost looks like a baby Beaufighter !
     
  6. Wurger

    Wurger Siggy Master
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    A great idea and a nice work so far. :thumbright:
     
  7. Wayne Little

    Wayne Little Well-Known Member

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    A nice challenge Glenn, good start so far....
     
  8. vikingBerserker

    vikingBerserker Well-Known Member

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    What a cool idea, great work so far.
     
  9. swampyankee

    swampyankee Active Member

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    Maybe a Whirlwind on steroids?
     
  10. Crimea_River

    Crimea_River Well-Known Member

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    Interesting project Glenn. I can't believe how thick that plastic is!
     
  11. MacArther

    MacArther Active Member

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    OH...MY....GOD! Where has this beauty of a plane been all my WWII enthusiast life?! Great work so far!
     
  12. muscogeemike

    muscogeemike Member

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    Great project! Very reminiscent of the Whirlwind.
    I've never seen that picture - sure would like more info on it.
     
  13. Airframes

    Airframes Benevolens Magister

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    Should be a good one Glenn. Don't know if the info is accurate, but I read somewhere that this was a mock-up, built for a concept which never reached fruition.
     
  14. meatloaf109

    meatloaf109 Well-Known Member

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    I have to add my encouragement!
    Interesting subject, and a good start1
     
  15. ccheese

    ccheese Member In Perpetuity
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    Me too !

    Charles
     
  16. Rogi

    Rogi Active Member

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    WOW

    What a great idea :D cool model :) for sure
     
  17. woody

    woody Active Member

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    Very interesting build Glenn.
     
  18. T Bolt

    T Bolt Well-Known Member

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    #18 T Bolt, Sep 28, 2013
    Last edited: Feb 21, 2016
    It does look a lot like a Whirlwind.

    I removed all the rivets, scribed in the panel lines and wet sanded it down with 600 grit sandpaper. Then I installed some long pieces of sprue to support the engines. When they're glued in place the sprue will be cut off flush and a small hole drilled in it to except the prop shafts.
    P9270428.JPG P9280429.JPG P9280430.JPG
    It does look a lot like a Whirlwind.

    I removed all the rivets, scribed in the panel lines and wet sanded it down with 600 grit sandpaper. Then I installed some long pieces of sorue to support the engines. When they're glued in place the sprue will be cut off flush and a small hole drilled in it to except the prop shafts.
     
  19. Rogi

    Rogi Active Member

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  20. Capt. Vick

    Capt. Vick Well-Known Member

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    I have always wondered, why no picture of the front of that mock-up? Maybe we would just see the fire wall?
     
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