1/72 Asientos eyectables

Elevate your 1/72 scale aircraft models with precision-engineered upgrade parts from MPM Hobbies. This specialized collection features highly detailed resin components including the B-47E Stratojet wing flaps kit with complete spar sets, the F-104 Starfighter ejection seat with belts and oxygen hose, and precision R-1830 radial engine replacements, manufactured with crisp molding, accurate detail, recessed panel lines, and authentic surface features that transform standard kits into museum-quality builds.

1/72 Asientos eyectables

Precision 1/72 Scale Aircraft Model Kit Upgrade Parts

MPM Hobbies specializes in creating highly detailed 3D printed resin upgrade parts that transform standard aircraft model kits into museum-quality builds. This specialized collection focuses on essential detail components that address common kit shortcomings, providing modelers with accurate replacements and enhancements for cockpit details, engines, control surfaces, and specialized equipment. Each piece is manufactured using advanced 3D printing technology to ensure crisp detail, accurate dimensions, and authentic surface features that capture details often simplified or omitted in injection-molded kits.

Ejection Seat Upgrades

The F-104 Starfighter ejection seat represents a significant upgrade over typical kit-supplied seats, providing the level of detail that cockpit interiors demand. This precision component features accurately scaled C-2 ejection seat with proper dimensions and proportions, finely detailed seat pan with characteristic ribbing and attachment points, separate seat belts with realistic buckles and adjustment hardware, oxygen hose with proper routing and connections, headrest with authentic padding detail, and recessed panel lines capturing the seat's construction details. The F-104's distinctive downward-firing ejection seat makes it particularly interesting, as this unusual system was designed to clear the aircraft's T-tail during low-altitude ejections.

Ejection seats represent one of the most visible cockpit details, immediately drawing the eye when viewing a model with an open canopy. Kit-supplied seats often lack the fine detail and separate components that bring realism to this critical safety system. Upgraded seats with separate belts, proper cushion texture, and accurate mechanical details transform cockpit interiors from acceptable to exceptional, making them essential for competition builds or display models where cockpit detail will be visible.

Radial Engine Replacements

The R-1830 radial engine provides a highly detailed replacement for one of WWII's most common aircraft powerplants, used in aircraft ranging from the C-47 Dakota to the PBY Catalina. This precision component features accurately scaled Twin Wasp engine with proper cylinder arrangement, individual cylinder heads with cooling fins and spark plug details, detailed crankcase with authentic casting details and mounting points, pushrod tubes and rocker covers with fine detail, ignition harness with individual wires to each cylinder, and authentic surface texture capturing the engine's construction. The R-1830's widespread use makes this upgrade valuable for numerous aircraft models, instantly improving the appearance of any build featuring this engine.

The R-3350 radial engine represents the larger and more powerful Duplex-Cyclone engine that powered aircraft like the B-29 Superfortress and Douglas DC-7. This sophisticated powerplant features accurately scaled 18-cylinder twin-row configuration, detailed cylinder heads with proper fin spacing and arrangement, complex crankcase with authentic details, supercharger housing with intake and exhaust details, ignition system with proper wire routing, and authentic surface details. The R-3350's complexity and size make it a challenging subject for kit manufacturers, often resulting in simplified representations that benefit significantly from detailed aftermarket replacements.

Radial engines present particular challenges for injection-molded kits due to their complex three-dimensional geometry and fine details. Kit engines often simplify cylinder fin details, omit ignition wiring, and lack the depth and texture of actual engines. Detailed resin replacements capture these features with precision impossible in injection molding, transforming engine installations from acceptable representations to accurate replicas that honor the engineering achievements these powerplants represented.

Control Surface Enhancements

The B-47E Stratojet wing flaps kit addresses one of the most challenging aspects of modeling this revolutionary jet bomber—the complex Fowler flaps that extended and lowered to increase wing area and lift during takeoff and landing. This comprehensive upgrade features complete flap assemblies with proper extended and lowered position, detailed flap tracks and support structure, wing spar modifications to accommodate flap mechanism, authentic panel lines and surface details, proper flap well details visible when flaps are extended, and accurate dimensions matching the actual aircraft. The B-47's innovative flap system represented a significant aerodynamic achievement, and modeling it properly requires the kind of detail this upgrade provides.

The Stratojet's flaps present particular modeling challenges because they both extend rearward and lower, creating complex geometry that injection-molded kits often simplify or omit entirely. Most kits provide only simple flap representations without the tracks, supports, and internal structure visible when flaps are deployed. This upgrade allows modelers to display the B-47 in landing configuration with properly detailed flaps, adding visual interest and technical accuracy that showcases this aircraft's sophisticated design.

Specialized Weapons and Equipment

The Bold Orion Weapons System 199 represents a fascinating piece of Cold War aviation history, an air-launched ballistic missile developed as part of early anti-satellite and strategic strike research. This unique weapon features accurately scaled WS-199B missile body with proper dimensions, detailed guidance section with sensor windows, rocket motor nozzle with authentic details, mounting hardware for B-47 or B-58 carrier aircraft, and authentic surface details. The Bold Orion's experimental nature and limited operational use make it a rare subject, valuable for modelers creating historically accurate representations of early strategic reconnaissance and weapons testing programs.

The Bold Orion program represented early exploration of air-launched ballistic missiles, with B-47s and B-58s serving as launch platforms for these experimental weapons. The system's brief operational life and specialized role mean few modelers are aware of it, making it an excellent choice for creating unique and historically interesting builds that showcase lesser-known aspects of Cold War aviation. The weapon's distinctive appearance immediately identifies the carrying aircraft as configured for a specialized mission, adding historical context and visual interest.

The Value of Aftermarket Upgrades

Aftermarket upgrade parts serve multiple purposes in scale modeling, addressing limitations inherent in mass-produced kits while allowing modelers to customize builds to specific configurations or operational periods. Kit manufacturers must balance detail against cost, tooling limitations, and market appeal, often resulting in simplified details or generic representations that serve most modelers but disappoint those seeking maximum accuracy. Aftermarket parts fill this gap, providing specialized components that elevate builds beyond what kit parts alone can achieve.

The decision to use aftermarket parts involves weighing their cost against the improvement they provide. For display models, competition builds, or subjects of particular personal interest, detailed upgrades can transform a good model into an exceptional one. Visible details like cockpit interiors, engines, and deployed control surfaces benefit most from upgrades, as these areas draw viewer attention and showcase the modeler's skill and dedication to accuracy.

MPM Hobbies Quality and Detail

MPM Hobbies manufactures these upgrade parts using advanced 3D printing technology with UV-cured resin, ensuring crisp molding with fine surface details, accurate dimensions based on technical documentation and reference photos, authentic features including recessed panel lines, rivets, and surface texture, minimal cleanup required with well-designed support structures, and consistent quality across all products. Each upgrade part is carefully researched using historical documentation, technical manuals, and photographic references to ensure maximum accuracy that honors the original aircraft and equipment.

Enhance Your Aircraft Models

These precision upgrade parts transform aircraft models from standard builds into personalized projects that reflect the modeler's dedication to accuracy and detail. Whether replacing simplified kit parts with accurate alternatives, adding details omitted from the original kit, or configuring aircraft in specific operational configurations, these upgrades provide the components needed to achieve your vision. The combination of accurate dimensions, fine detail, and authentic surface features ensures that upgraded components integrate seamlessly with kit parts while elevating overall build quality.

Compatible with Popular Aircraft Kits

These 1/72 scale upgrade parts are designed to enhance aircraft kits from leading manufacturers. Use them with models from our 1/72 Tamiya Prop Aircraft collection, our 1/72 Trumpeter Jet Aircraft collection, or other manufacturers' kits requiring enhanced detail. For modelers working in larger scales, explore our 1/48 MPM Kit Upgrades collection offering similar enhancement parts with even greater detail possibilities.

Build Museum-Quality Models

Each upgrade part represents more than just a replacement component; it represents the modeler's commitment to accuracy, attention to detail, and respect for the aircraft and equipment being modeled. From ejection seats that protected pilots' lives to engines that powered legendary aircraft and control surfaces that enabled revolutionary performance, these components tell important stories about aviation technology and engineering achievement. By incorporating detailed upgrade parts into your builds, you create models that honor these achievements while showcasing your skills and dedication to the craft of scale modeling.