MiG-37B assessment: The Stealthy Soviet that never was

“The Testors toy company released this model 2 years after their very successful F-19 kit and only about a year before the F-117 appeared in public. It’s a pretty ugly beast, but, let’s not hold that against it, given the impact that designing for low signature had on Have Blue and the F-117. So what have Testors’ done in ‘Russianizing’ their F-19 stealthy strike concept? Well, somewhere along the way, the Testors team appear to have heard some whispers about ‘The Black Jet’, as insiders were referring to the F-117. The MiG-37 model has outward canted fins, and has a facetted structure, while retaining the letterbox-slot exhaust of their F-19 concept. While the appearance of these features may have caused some disquiet in some circles, there was by this time some awareness of strange black aircraft operating up in Tiger Country (the far reaches of the Nellis, Tonopah and Area 51 complexes). In addition, the Pentagon was moving towards first, disclosure that the F-117 existed, and then, the presentation to families and the media which I attended.

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As well as some of the F-117 features, Testors has done quite a good job of giving the aircraft a Russian look. Partly, the use of a MiG-23- like undercarriage, and partly subtle stylistic and colour scheme aspects which just convey a less-Western look. Paradoxically, the crude-looking faceted shaping turned out to be more accurate than the smooth surfaces of their F-19 concept. From a propulsion perspective, the intakes perhaps look a little more likely to work than those of the F-19, and still bear no resemblance to those of the F-117. From a stealth perspective, however, the whole aircraft is full of changes in angle which look counter productive to maintaining a low signature. In particular, the under-surface of the aircraft does not feature the flat surface of the F-117, and appears unlikely to be successful in managing the MiG-37 ‘s signature. In addition, the changes in sweep of the planform, the gaps and joins around wing slats and other features, and the intakes all suggest a less successful stealth design. Aerodynamically, the MiG-37 concept would probably have been more efficient and easier to manage than either the F-19 or the F-117, as the moderately swept wings would allow the use of high lift devices and a significantly lower take-off and landing speed. Like the F-19, the relatively conventional cockpit would probably have resulted in a less constrained environment for the pilot than the essentially pyramidal F-117 cockpit. I am a bit concerned about the extremely large fins, coupled with the anhedral of the wing, which might lead to unusual lateral-directional handling, but again, there is nothing terrible about the configuration (given the open-minded approach I am adopting). It is very ugly, but it is not alone in that. Like the F-19 forward fins, I do have a gripe – the dorsal airbrakes just don’t make sense. There-s no way this aircraft would be used as a dive bomber, and the configuration is likely to be draggy enough that airbrakes are unlikely to be needed to manage the approach. Plus they have the disadvantage that they would deny the opportunity to use uber-cool black silk parachutes deployed by the 2 F-117s that came ‘out of the black’ at Nellis in April 1990. Summing up the MiG-37 – ugly, but closer to the appearance of the F-117 than the F-19. In the aerodynamics vs stealth trade off, perhaps the solution has better aerodynamics than stealth.”

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