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      Tango-Bravo


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      Post #67862, posted on 08-13-2017 GMT-5 hours    
      Does the removal of 4 frames forward of the wing and 1 frame aft from a 707-120 fuselage create a 720 fuselage of correct length and proportion? That is the only definitive information I have found so far, albeit from a source not known to be entirely spot-on 100pct of the time concerning airliner information. If correct, one can easily 'do the math' in inches/millimeters for any scale...especially since the overall length of an actual 720 is exactly 100 inches (8ft 4in) shorter than a 707-120...

      So... is 4/1 frames fore/aft correct or, if not, what is the correct ratio?

      Todd
      IWA

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      scotty100368


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      Post #67863, posted on 08-13-2017 GMT-5 hours    
      Todd,

      This drawing I found in my files (Jennings?) suggests the opposite - 1 forward and 4 aft (plus a small extension of the front wing-to-fuselage fairing)...



      ...or you could just get a Roden 720 kit!

      Scott.

      Scott Garard
      YSCB/CBR

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      NX28388


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      Post #67868, posted on 08-14-2017 GMT-5 hours    
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      scotty100368 :
      (plus a small extension of the front wing-to-fuselage fairing)



      Not just an extension of the front of the wing/fuselage fairing, but an extension of the wing itself in the form of the 720's wing glove. It extends the shape of the inboard leading edge and also bulges it upwards a little. Here are some old photos (and Ahmed, please forgive the external storage):





      You'd also do this for a 707-120B. The Roden kit does represent these differences, while the Revell 707-120 requires you to do any of this yourself.

      As always, this is one of the handiest guides to have when you're working on any 707/720 project:
      http://airlinercafe.com/page.php?id=72

      Jodie Peeler

      In 1924 Wien was Alaska's first airline. In 1980 it still is.

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      LH707


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      Post #67873, posted on 08-14-2017 GMT-5 hours    
      Yeah, that's right. Which reminds me, there's a typo on the conversion guide that Jodie pointed out that I think still needs fixing.

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      Laurent


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      Post #67876, posted on 08-14-2017 GMT-5 hours    
      http://www.airlinercafe.com/page.php?id=72

      So many planes, so little time ...