The Boeing NB-52 and North American X-15 Platinum Edition by Revell (Kit No. 03793) represents one of the most ambitious 1:72 scale aircraft sets currently available for hobbyists. This premium kit captures a pivotal era of aerospace exploration when modified strategic bombers served as launch platforms for hypersonic rocket planes. As a "Platinum Edition" release, it distinguishes itself through the inclusion of extensive photo-etched metal parts, elevating the level of structural realism far beyond standard injection-molded plastic.

The Definitive 1:72 Scale Kit of the High-Altitude Research Team

The NB-52 and X-15 combination is more than just a model; it is a scaled tribute to the "High and Mighty One"—the modified B-52 Stratofortress that carried the X-15 to the edge of space. For advanced modelers, the appeal of this kit lies in its sheer presence. With a finished length of 662 mm and a wingspan of 784 mm, it is a centerpiece that demands significant workbench space and display area.

The set includes approximately 350 parts and is rated at Skill Level 5. This difficulty rating is primarily due to the complexity of the integrated photo-etched (PE) components and the precision required to align the massive B-52 fuselage with its specialized X-15 pylon.

Core Technical Specifications

  • Manufacturer: Revell
  • Product Number: 03793
  • Scale: 1:72
  • Total Parts: ~350
  • Dimensions: Length 662 mm, Wingspan 784 mm
  • Special Features: Platinum Edition includes high-grade photo-etched parts, authentic surface textures, and specialized decals for NASA and USAF experimental programs.

What Makes the Platinum Edition Different?

The transition from a standard Revell release to a Platinum Edition involves a significant upgrade in secondary detailing materials. While the core plastic sprues provide the foundational shape of the B-52D and the X-15, the "Platinum" label brings professional-grade enhancements that were previously only available from aftermarket manufacturers.

The Role of Photo-Etched (PE) Parts

The primary upgrade in this kit is the set of photo-etched brass or steel parts. These thin, chemically etched metal sheets provide details that injection molding cannot achieve due to physical limitations of plastic cooling. In the NB-52 and X-15 kit, PE parts are utilized for:

  1. Cockpit Instrumentation: Highly detailed control panels and seat harnesses for both the carrier aircraft and the rocket plane.
  2. Exterior Antennas and Sensors: Fine-scale blades and pitot tubes that appear much more "in-scale" than their plastic counterparts.
  3. Engine Exhausts and Intake Liners: Providing a realistic metallic thinness to the engine nacelles of the eight Pratt & Whitney engines.
  4. Landing Gear Hubs and Hydraulic Lines: Adding mechanical complexity to the complex quadruple-bogie landing gear of the Stratofortress.

Enhanced Surface Engineering

Revell has utilized original construction plans to engrave the surface structures. Unlike older "vintage" kits that featured raised rivet lines (which are often inaccurate and difficult to sand), this edition features recessed panel lines. This is crucial for modelers who use "panel line washes" to highlight the structural sections of the aircraft during the weathering stage.

Historical Significance of the NB-52 and X-15 Program

Understanding the subject matter is essential for achieving an authentic build. The NB-52 was a heavily modified B-52 Stratofortress used by NASA and the U.S. Air Force as a "mothership."

The most famous of these, NB-52B (serial number 52-008), carried the X-15 to launch altitudes of approximately 45,000 feet. The modifications were extensive: a massive pylon was installed under the right wing between the fuselage and the inboard engines. To accommodate the vertical tail of the X-15, a large "notch" had to be cut out of the B-52's right-wing trailing edge.

The X-15 itself remains the fastest manned aircraft ever flown, reaching speeds of Mach 6.7. Modeling this combination allows a builder to explore the intersection of early Cold War bomber technology and the dawn of the Space Age.

Advanced Building Experience and Challenges

Approaching a Skill Level 5 kit requires a structured workflow. Based on the mechanical design of the Revell 03793 kit, there are several specific areas where modelers should exercise caution and apply advanced techniques.

Managing the Wing Span and Dihedral

The B-52 is known for its "flexible" wings. On the ground, with full fuel tanks, the wings drooped significantly, requiring outrigger wheels (tip protection gear) to touch the pavement. In flight, the wings flexed upward.

In a 1:72 scale model of this size, gravity can cause the plastic wings to sag over time. Professional builders often reinforce the internal wing spars with brass rods or carbon fiber strips to ensure the "ground droop" looks intentional and remains stable throughout the life of the model.

Working with Metal and Plastic

Integrating PE parts requires "CA glue" (cyanoacrylate) or specialized clear adhesives, as standard plastic cement will not bond metal to polystyrene.

  • Tip: Before applying PE parts to the cockpit or fuselage, ensure the metal is degreased with a light wipe of alcohol to improve adhesive bite.
  • Painting: Metal parts must be primed with a dedicated metal primer or a high-quality surface primer like Mr. Surfacer to prevent paint from chipping off during handling.

The X-15 Pylon Alignment

The most critical structural point of this build is the attachment of the X-15 pylon to the NB-52’s wing. Because the X-15 is a heavy solid-plastic component in this scale, the pylon must be securely anchored. Dry-fitting (assembling without glue) is mandatory here to ensure that the X-15 sits level when the carrier aircraft is on its landing gear.

Finishing and Markings

The Revell Platinum Edition provides a comprehensive decal sheet that covers the specific markings of the NASA and USAF joint test program.

Paint Schemes

The NB-52 of this era typically featured a combination of "Natural Metal Finish" (NMF) and high-visibility "Day-Glo" orange or red on the tail and wingtips.

  • NMF Challenge: Painting a natural metal finish on a 78 cm wingspan is one of the ultimate tests for an airbrusher. It requires a perfectly smooth surface, as any scratch or seam line will be magnified by metallic paints like Alclad II or AK Interactive Xtreme Metal.
  • The X-15 Black: The X-15 was coated in a specialized "Inconel X" skin that appeared almost black or very dark blue-gray. Using a pure "Scale Black" (a very dark gray) rather than flat black will allow for subtle shading and weather effects.

Decal Application

The extensive stencil data included in the kit adds to the realism. Given the size of the B-52’s fuselage, using a decal setting solution (such as Micro Sol or Mark Fit) is necessary to ensure the decals "sink" into the recessed panel lines, avoiding the "silvering" effect that can ruin a professional finish.

Why Advanced Modelers Choose the 1:72 Scale Over 1:144 or 1:175

While smaller scales like 1:144 are easier to store, they lack the "mechanical" feel of the 1:72 version. In 1:72, the cockpit becomes a visible workspace rather than a tiny window. The landing gear looks like a complex machine rather than simplified pegs. For the NB-52 and X-15, the 1:72 scale is the "Goldilocks" size—large enough to show the intricate plumbing of the rocket plane and the massive rivets of the bomber, yet small enough to fit on a standard (albeit large) display shelf.

Required Tools and Supplies for This Project

Before starting the Revell 03793, ensure the following supplies are available:

  • Precision Tweezers: Essential for handling the tiny PE parts.
  • Photo-Etch Bending Tool: For creating crisp 90-degree folds in the metal seat components or antenna mounts.
  • Sanding Sticks (Varied Grits): To eliminate seam lines on the long fuselage halves.
  • Masking Tape: Large quantities will be needed for the complex multi-color schemes of the NASA test aircraft.
  • Putty/Filler: High-quality plastic filler to bridge any gaps in the wing-to-fuselage joints.

Frequently Asked Questions (FAQ)

What is the recommended age for this kit?

Revell recommends this kit for ages 13 and up. However, due to the Skill Level 5 rating and the inclusion of delicate photo-etched parts, it is best suited for experienced hobbyists who have completed several Level 4 kits.

Is paint and glue included in the box?

Standard for high-end kits, the Platinum Edition does not include glue or paint. Modelers must purchase specialized plastic cement, CA glue for the metal parts, and a range of acrylic or enamel paints.

How much space is needed for the finished model?

The model has a wingspan of nearly 80 cm (31 inches). You will need a dedicated display case or a deep shelf to accommodate the width of the B-52 wings.

Can the B-52 be built without the X-15?

Yes, the kit includes options to build the B-52 with a standard bomb load. However, the unique appeal of the 03793 kit is the specialized NB-52 carrier configuration and the X-15 rocket plane.

Are the instructions easy to follow?

Revell's modern instructions are full-color and highly detailed. They provide specific callouts for when to use the plastic part versus the optional platinum-edition photo-etched part.

Summary of the Revell NB-52 and X-15 Platinum Edition

The Revell 1:72 Boeing NB-52 and X-15 Platinum Edition (03793) is a masterclass in scale modeling engineering. It successfully merges the historic grandeur of the Stratofortress with the futuristic lines of the X-15 rocket plane. By providing high-quality photo-etched parts and refined surface textures, Revell offers a comprehensive package that eliminates the need for expensive aftermarket upgrades.

While the assembly process is demanding and requires patience—especially regarding the metal detailing and the massive airframe alignment—the result is an museum-quality replica that captures the spirit of the 1960s experimental flight programs. For the modeler seeking a long-term project that tests every aspect of their craft, from metalwork to large-scale finishing, this kit is an essential addition to the collection.