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North American XB-70 Valkyrie
Here is my LDD model of the North American XB-70 Valkyrie. It is built to minifig scale and has many articulating features. Check out my flickr page for larger pictures: https://www.flickr.com/photos/118702264@N05/sets/72157643924816643/
About this creation

The XB-70 was a prototype Mach 3+ high altitude strategic bomber for the Strategic Air Command (SAC).


The aircraft was designed to avoid enemy interceptor aircraft by using its speed and altitude capabilities.


With the advent of the intercontinental ballistic missile (ICBM) and better anti-aircraft missiles, the viability of the manned bomber came under question.


In 1961, the B-70 program was cancelled but two prototypes were build for testing and evaluating high speed, high altitude dynamics.


When the first XB-70 rolled off the assembly line, the program was already cancelled.


The two XB-70 Valkyries produced conducted tests for the USAF and NASA.


On June 8, 1966 XB-70 collided mid-air with an F-104 chase plane. Both aircraft were lost and only the XB-70 pilot survived.


The triangular wedge in front of air intakes creates a shock wave below the aircraft in order to generate additional lift at supersonic speeds.


The XB-70 was equipped with six General Electric YJ93 turbojet engines, capable of producing 28,000 lbf each in full afterburner.






The outer wing tips are down 35 degrees, getting ready for a full-speed run.






The outer wing tips are down to a full 65 degree angle. In this configuration, the XB-70 uses compression lift to increase the aircraft's lift by 5%.


The XB-70 was able to reach Mach 3 during testing.


Bomb bay is open.




The bomb bay doors are fully articulating.


I could not find good imagery of the XB-70's bomb bay interior. My rendition is speculative.


Here is a close-up of the bomb bay with the GAM-87 Skybolt air launched ballistic missile (ALBM) with a nuclear warhead.


Releasing the Skybolt.




The Skybolt never made it into production; the project was cancelled in 1962.




On this model, all of the elevons (a combination of elevators and ailerons) are fully articulating, as are the elevators on the forward canards.


The landing gear is fully retractable.






The XB-70 flew from 1964 to 1969 when it was retired after conducting supersonic and stability testing with the USAF and NASA.



Comments

 I made it 
  May 7, 2014
Quoting Commander Cold It is quite large in reality, much taller than the famous SR-71 Blackbird. (Another one I saw, they were right next to each other in the museum.)
Very cool!
  May 4, 2014
It is quite large in reality, much taller than the famous SR-71 Blackbird. (Another one I saw, they were right next to each other in the museum.)
 I made it 
  May 3, 2014
Quoting Commander Cold I saw one of these at Wright Patterson or the USAF museum. It was awesome, much like this model.
You're lucky! I would love to see this airplane in reality. I bet its amazing!
 I like it 
  April 23, 2014
I saw one of these at Wright Patterson or the USAF museum. It was awesome, much like this model.
 I made it 
  March 26, 2014
Quoting Matt Bace I'm finally getting around to looking at some of your older MOCs. This one is great -- up to your usual high standards. You've done a nice job shaping the nose and the section of the fuselage where it tapers off toward the rear. Any chance you'll try a B-58 Hustler?
Thanks for digging around in my older models and I'm glad you like the Valkyrie. I actually used it as a test to see if I could get the inverted fuselage construction correct for my CF-105 Arrow. The Valkyrie is such a "classic" design (simple, flowing, elegant) that it required a simple lego solution as well. The taper of the fuselage was pretty straight forward. I looked at other techniques but this worked best for me. I have played around with the Hustler a bit but the engine nacelles are proving difficult. Perhaps I'll have another look at it...
 I like it 
  March 26, 2014
I'm finally getting around to looking at some of your older MOCs. This one is great -- up to your usual high standards. You've done a nice job shaping the nose and the section of the fuselage where it tapers off toward the rear. Any chance you'll try a B-58 Hustler?
 I made it 
  January 17, 2014
Quoting clayton Marchetti I saw this baby at the Wright Patterson Air Force museum in Ohio and it was an amazing looking aircraft just gorges and you captured it perfectly.
I am envious that you were able to see the Valkyrie in person; its one of my aeronautic goals to see it for real. Thanks for your comments and sharing your aircraft stories as well!
 I like it 
  January 17, 2014
I saw this baby at the Wright Patterson Air Force museum in Ohio and it was an amazing looking aircraft just gorges and you captured it perfectly.
 I made it 
  January 9, 2014
Quoting Bill Ding wow! good job! get it in real life (your model). make a video of it.
Thanks Bill!
 I like it 
  January 9, 2014
wow! good job! get it in real life (your model). make a video of it.
 I made it 
  December 20, 2013
Quoting Marty Fields Wonderful Valkyrie! One of the most amazing planes ever built (and a major influence on the design of the 'Firefox'!). I, too, used a mixture of techniques for my creation. It would be great to see this built in plastic.
Thanks for your comments Marty. Perhaps one day when I have the time and inclination, I'll see if I can make this model a reality.
 I like it 
  December 19, 2013
Wonderful Valkyrie! One of the most amazing planes ever built (and a major influence on the design of the 'Firefox'!). I, too, used a mixture of techniques for my creation. It would be great to see this built in plastic.
 I made it 
  December 3, 2013
Quoting P. Voranc Very nice! It is always great to see less mentioned airplanes in LEGO form, and Valkyrie surely is a beauty. You've captured the shape very well and I'm already looking forward to your next projects.
Thanks for your comments. The shape of the Valkyrie is difficult to capture in lego. Thanks for following my model postings; your support is greatly appreciated!
 I made it 
  December 3, 2013
Quoting Henrik Jensen Again a fine rendering and this time from the cold war period. It seems to be quite accurate. I think especially the cockpit section and the engine housing with the reverse build-technic looks good. Have you considered using tiles to get a smoother wing- profile.
Thanks for your comments Henrik. I used the reverse build technique on the XB-70 as practice for another model I'm working on. It suited the Valkyrie quite well in the end. I have experimented with a smoother wing profile but in the end I opted for this one.
 I like it 
  November 30, 2013
Very nice! It is always great to see less mentioned airplanes in LEGO form, and Valkyrie surely is a beauty. You've captured the shape very well and I'm already looking forward to your next projects.
  November 27, 2013
Again a fine rendering and this time from the cold war period. It seems to be quite accurate. I think especially the cockpit section and the engine housing with the reverse build-technic looks good. Have you considered using tiles to get a smoother wing- profile.
 I made it 
  November 20, 2013
Quoting Gabor Pauler You did it. This is classic.
Thanks for your positive comments. The XB-70 was a great airplane. I always wanted to build one.
 I like it 
  November 20, 2013
You did it. This is classic.
 I made it 
  November 18, 2013
Quoting Navy Person Awesome aircraft! very detailed and accurate!
Thanks for the comments. The XB-70 has always been a favourite airplane of mine. I'm glad I had the opportunity to build a lego model of it.
 I like it 
  November 17, 2013
Awesome aircraft! very detailed and accurate!
 
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