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Ron Gross sent me this article about his J2 project.
Thanks Ron!


THE CLASSIC JUPITER 2
FROM LOST IN SPACE:      
FROM CONCEPT TO PRODUCTION MODEL                                                
BY RON GROSS

For more than 30 years, the availability of a mass-produced injection molded kit of the Jupiter 2 spacecraft from "Lost in Space" seemed like nothing more than a wild fantasy to loyal fans of the classic TV series. In April of 1998, however, that dream was finally realized by the introduction of the Polar Lights Jupiter 2 model kit. The announcement served to officially correct an error in judgment that this fine young company's namesake "Aurora Plastics" had made all the way back in the sixties, when it was decided that the overall design of the Jupiter 2 was too simplistic to generate sufficient interest. In the aftermath of my successful completion of a scratch built model which spanned many years, I was honored to have been brought aboard as both the technical consultant and the box artist for this exciting project. If ever there were an example of a childhood dream-come-true, this sequence of events certainly served to satisfy that description. Ironically, I did not originally engage the project of constructing a custom scale model of the Jupiter 2 (specifically, the articulated studio miniature version) with any specific marketing aspirations. The timing with respect to the release of the Lost in Space feature film, however, combined with the exposure of my prototype in both print and on the Internet, created a unique and unexpected opportunity. This article will retrace the major events that led to the conclusions for my original design, and culminate in examples of fine build-ups of the Polar Lights production model from a variety of proficient modelers.
A DECADE OF INFORMAL JUPITER 2 RESEARCH
In reality, the "modern era" of this adventure actually began for me all the way back in the summer of 1982. A small classified ad in an issue of Starlog Magazine from "Infinite Star Productions" described a mini four-inch replica of the long lost space ship, making it among the earliest of such offerings. I soon became acquainted with the craftsman himself, none other than David Merriman, who is now a world renowned modeler and a frequent contributor to this magazine. I listened with great interest and anticipation as David described tentative plans to market a larger ten-inch version of his impressive little creation, to which I promptly contributed a relevant light sequencing circuit. Unfortunately, interest in this follow-up venture soon dissipated, and the larger Merriman masterpieces were relegated to a few custom build-ups for individual clients. Although I was unable to fulfill my long-term dream of obtaining a larger model of the Jupiter 2 at that point in time, I took away something from the experience that was far more valuable: simply, the acquisition of a true modeling mentor to eventually aid with a variety of novel scratch-building techniques. David's remarkable results were aided by an exclusive series of photos taken of one the surviving secondary Jupiter 2 miniatures, owned by collector/ modeler Greg Jein. Utilized in the third season of Lost in Space, this model displayed the new Space Pod docking bay, but lacked the fine detailing and finishing exhibited by the singular "hero" miniature. Additionally, the prop was still badly in need of restoration, having been heavily modified for use in Irwin Allen's subsequent feature film "City Beneath the Sea." The photo set was shot by then Merriman associate Richard Messmann, who, the following year, made yet another interesting discovery at the library of UCLA. Irwin Allen had apparently made a donation of various materials some years earlier, and some of the actual blueprints for his TV-related props were suddenly available for inspection. Included in this limited collection was a drawing casually labeled "sheet 5 of 6" which displayed a revised profile for Jupiter 2 miniature construction. Among the included technical notes were references to a four-foot and a ten-foot model, the latter rumored to have been built for only a single stock footage shooting: namely, that of the infamous crash landing sequence. In addition to depicting the basic hull contour, the plan detailed adjustments that were deemed necessary for the conversion of the "Gemini 12" single level concept (from the unaired pilot) to the extended and more familiar "Jupiter 2" design, both as conceived by acclaimed art director William Creber. Upon receiving a copy of this treasure, I promptly created a complete two-sided outline by employing a common "fold over" technique. I recall being somewhat disappointed by the result, as what seemed correct as a one-half profile representation simply did not look quite right when fully expanded. Although I was not yet fully aware, the fact is that the actual construction of the four-foot primary Jupiter 2 miniature subtly departed from this surviving Fox plan, lending it an elusively distinctive character. And while other miniatures had been recovered and were now in private collections, the whereabouts of this unique "hero" model were not commonly known. If it were ever to be revealed, it would certainly not be intact, as the detached landing gear assemblies and the lighting ring apparatus were already in the possession of artisan Greg Jein. It became clear that the research was not yet concluded; it had, in fact, only just begun. The mid-eighties saw a resurgence of interest in Lost in Space- related material in the form of both fan publications and garage kits. In 1986, the "Alpha Control Reference Manual" was released which featured Phil Lublin's masterful blueprints. The following year Mike Evans and Lunar Models gave us the long-awaited Jupiter 2 vacu-formed kit, which was based generally on these plans (Phil, ironically, is the proud owner of the "new" Lunar Models company). That same year I officially got into the act by preparing the "Lost in Space Technical Manual: Volume 2" at the request of an American West Coast publisher. This effort was similar to the existing "Alpha Control Reference Manual," except that it approached the material from a studio production point of view, rather than speculatively treating the hardware items as actual devices. Unfortunately, I became aware of certain legal difficulties that the publisher was experiencing, and I made a decision to withdraw the material before just before it would have gone to press. Some of the drawings have since made guest appearances to support modeling subjects for other publications, and still others are available herein for the first time. Although my 1987 effort was fairly extensive with respect to the representation of the primary Jupiter 2 miniature, it was by no means final, as definitive answers were simply not yet available. In 1989, Shane Johnson released perhaps the most impressive set of blueprints to date, but they were designed to be faithful to their original Fox counterparts, reference material permitting. By the time we reached the early nineties, however, some independent interpretations had begun to surface. Among the pioneering advocates of the general concept that the primary miniature was not entirely faithful to the Fox plan were custom build-up specialists Kim Brokaw and Jim Key Throughout this entire ten year time frame, my personal Jupiter 2 modeling project had been an "on again - off again" affair, with several (sometimes costly) diversions along the way. Having finally acquired the modeling skills to do justice to the effort, however, I made a decision that it should be "on again" once and for all.
                                                PUTTING IT ALL TOGETHER
Considering the vast amount of resources that are required by a comprehensive scratch building project, I was determined to make the effort worthwhile by coming up with a (hopefully) more advanced design than anything that had yet been offered. After sharing observations and exchanging ideas with several of the above-mentioned artists, I turned to long time friend Mike Sussek for assistance in finally putting the pieces together. Among Mike's many abilities were an expertise in tool and die, which he utilized by assisting both David Merriman and Mike Evans of Lunar Models on selected occasions in the eighties. He also happened to be one of the most prolific science fiction archivists I had ever met. Upon exploring his vast collection of photographic resource material, however, we came to realize that there were simply no publicity stills available that provided a clear profile image of the prop in question. We then scanned every episode of Lost in Space on video tape to determine which of the special effects shots best revealed the true hull contour of the popular primary miniature. The classic landing sequence from the episode "Ghost Planet" was the clear choice, as it was the only one that provided a straight-on profile view which was shot at a sufficient distance to eliminate virtually all lens distortion. As luck would have it, Mike also had a copy of that episode on 16mm film. Although it is possible to engage a still frame with a standard 16mm film projector, obtaining a distortion-free photograph of the image in question is still a problem because of the positioning of the equipment involved. Mike's solution was to employ a translucent screen which could be shot from behind, and simply have the image reversed upon processing. We analyzed several photos which were processed in this manner, and we came up with some very interesting conclusions. In order to establish a point of reference, we compared the lower hull proportions with those of the surviving Fox blueprint, and found them to be an exact match. Now fully satisfied that we were dealing with credible source material, we noted that the top domes were in alignment as well, but that the actual miniature contained additional upper hull stock which engulfed about 15% of its dome at the base. Mike theorized that the additional height was intended to offset an equal extension of the lower deck from the original "Gemini 12" pilot version, which the Fox plan already specified. We entertained several more interesting theories, but in the final analysis, a precise tracing of the photo of choice was the best solution. I soon expanded this raw outline into a fully detailed blueprint drawing, which promptly became the master plan for the project. Today, as many people now know, the remains of the elusive primary miniature have finally been unveiled, which, several years ago, might have rendered much of the above research unnecessary. If indeed it does indicate some minor differences compared with our results, I would contend that Mike and I still came up with an extremely accurate representation of what is perceived to be the "hero" Jupiter 2 model on film. Since this is the only reference source that most home observers will ever have, that, I believe, is what really matters.
SCALING THE JUPITER 2:
AN EXERCISE IN LOGICAL CHOICES
In selecting the size for my forthcoming creation, I decided to match the scale of a rework that I had recently completed of the classic Aurora kit that featured the Lost in Space cyclops/ chariot diorama. The calculations were somewhat subjective in nature, due to the fact that Irwin Allen subject matter in general seemed to display little concern for continuity. As a result, reference points for scaling various hardware elements were often left to individual interpretation. In the case of the diorama, I simply noted that the original pilot script had specified a 40-foot height for the cyclops, and I designed my replacement chariot to match this revised 1/70th scale. For the Jupiter 2 project, the question became one of what physical size would also best represent this newly established scale, considering the many discontinuities and varied versions of the ship that were evident throughout the series.The diameter of the full scale Jupiter 2 studio set measured just under 48 feet after all exterior revisions were eventually effected. In addition to the simplified straight-line profile in place of the graceful, composite curves displayed by the miniature, the angles were also such that the roof line was defined by a "tighter" circle. Another Fox plan detailing a top view for miniature construction attempted to retain this scale, but upon close inspection, not entirely successfully. If so accepted, the resultant hatchway height would simply not be adequate to accommodate an adult human figure. The problem arises from the need to reconcile full-sized studio sets, which have very specific dimensions, with a longer, lower, and sleeker hull contour. Add to this disparity the fact that the interior sets were actually situated below the suggested seam line between the two primary hulls, which would never work if one expected the lower level viewport to make any sense. For my revised interior plans, therefore, I saw the the need to raise the floor to the point of the seam line, and to widen the circle defined by the ends of the wall beams. If the interior layout were not widened, the distance between the viewport and the flight deck console would be unacceptably long, compromising the overall look in this critical area. This is also the reason why it would not be practical to arbitrarily resize the Jupiter 2 in an effort to reconcile both decks and accommodate all supporting hardware. Such an attempt would necessitate adjusting the exterior profile in order to retain the cockpit integrity, which, of course, is the very characteristic that we worked so hard to recreate in the first place. Having accepted all of the above, I was then left with individual wall sections which had different (essentially shorter) proportions compared with their full scale counterparts. The solution was to duplicate as much of the original detail as possible, but to spread out and/ or "stretch" specific areas as required in order to fill the space. The most logical reference for scale was that of an internal hatchway, which, by necessity, now had a smaller dimension. The net result of this entire remapping process was that the miniature measured out at 25% larger than that of its full scale counterpart, or about 60 scale feet. In order to satisfy the criteria for my required 1/70th scale, therefore, the diameter of my prototype would now be established at 10.25 inches, very closely returning to that of the original Merriman concept of the early eighties. The physical construction of my prototype was a painstaking and time consuming process, and is fully chronicled elsewhere. I was gratified that the final result seemed to satisfy some of the most critical eyes in fandom, with accolades coming in from Jeff King, David Merriman, Mark Dorais, Shane Johnson, and others. Although I had completed the plans for the full upper deck interior, I decided to temporarily fit my new creation with the mock "radial graphic" insert which was evident inside the primary studio miniature. As it turned out, this enhancement would remain a permanent fixture, as an exciting new application would soon arise for all of my blueprint plans, including the as yet unused sheets for the interior layout.
ENTER POLAR LIGHTS:
THE OPPORTUNITY OF A LIFETIME
Perhaps the most important compliment that my work could receive came from Tom Lowe and Dave Metzner of Polar Lights, when they contacted me to solicit my involvement with his company's forthcoming Jupiter 2 model kit. I soon found myself submitting my entire collection of drawings and blueprints to the innovative engineering staff associated with the company, where decisions had to be made as to how much of my design could actually be implemented in light of certain practical considerations. The first issue dealt with the nature of rigid, production grade "tools," or molds compared with the flexible RTV rubber molds that I personally utilize, as do virtually all "garage kit" manufacturers. The second had to do with a parts-count concern, in that an effort had to be made to keep the cost at a reasonable level to achieve a desired price point. An excellent example of a part involving both of these challenges is that of the bottom lighting ring. It is, quite simply, an ingenious engineering compromise which eliminates all "undercuts," and is able to be represented as a single piece. If the part seems somewhat on the small side, please note that the top, angled ridge of the ring is actually incorporated into the bottom of the lower deck, allowing for a seamless union upon painting and full assembly. Perhaps the most impressive aspect of this model kit, however, is the ease with which it can be completely dry-fitted together. While it took several years for me to see my scratch built prototype standing upright on its landing legs, this larger production model (12 inches in diameter, or 1/60th scale by my calculations) can actually achieve that status in a matter of a few minutes. The overall degree of "builder-friendliness" engineered into the Polar Lights kit is, in fact, among the best I have seen. It offers the opportunity for nearly immediate gratification to the less patient and skilled, while also providing a vast spectrum of customizing possibilities for those of us who just can't seem to leave well enough alone. The Polar Lights Jupiter 2 kit has won several awards, including "kit of the year" as denoted by a modeling magazine from Germany, a "reader's choice" distinction from Fine Scale Modeler, and "best mainstream Sci-Fi kit of 1998" as designated by the "Starship Modeler" web site. Frequent Starlog contributor and long time Irwin Allen enthusiast Mike Clark informed me that the model was selected for use inside the new astrogator set which was built for the recent TV special "Lost in Space Forever." It has also spawned a variety of quality after-market accessories, such as an efficient and affordable "chase" lighting circuit from D. F. Howard Enterprises, and a complete set of decals for internal detailing, prepared by Jim James. Perhaps the most exciting element of this entire experience for me personally, however, was to have been given the opportunity to create a piece of artwork for the box cover in the distinctive style of Aurora Plastics. Many of the paintings, illustrations, and model backdrops that I have created over the years, in fact, have been inspired by original Aurora box art. This illustration depicts a speculative landing of the Jupiter 2 on an yet another unknown planet, and is presented here in its original form. Interestingly enough, I have not yet completed my own build-up of the Polar Lights production model, having been quite content with my scratch built prototype as a most prized possession. That day will surely come, however, and at that time I will have had the benefit of acquiring ideas from some of the best modelers around. The exchange of information with others who share the same passion is what really makes this hobby fun, and the same can be said for that of the research itself in this case, which spanned over ten years. There are surely more people who made important contributions, but I decided to limit my discussion to those with whom I had some direct contact. It is indeed a rare occurrence when a personal dream begins to materialize before one's eyes. Overall, this is one of those amazing scenarios that seems to have followed an idealistic evolutionary path: from childhood fantasy, to concept, to production model, to...only time will tell!



Email: johnnyrum@webtv.net
Created:5/12/2000