This episode of Model Aviation LIVE with Jay Smith, the Executive Editor of Model Aviation magazine, offers an intriguing glimpse into the vibrant world of model aviation. From personal visits to renowned hobby manufacturers to insightful discussions on iconic model aircraft, this episode brimmed with passion for the hobby and the innovative community surrounding it.
Exploring Chicago’s Hobby Scene
Jay Smith recounted his recent trip to Chicago, where he visited several model aviation hubs, including Sig Manufacturing, Gator RC, and Motion RC. At Sig’s new facility near the Chicago O’Hare International Airport, he shared updates on the company’s efforts to consolidate operations under one roof, producing iconic kits and bringing inventory back to the market. At Gator RC, the family-owned business showcased its impressive range of jets and other models, while Motion RC revealed its massive new warehouse and a unique addition to its offerings: custom LEGO kits with aviation themes.
Building and Flying the P-40
The episode features a conversation with model aviation expert Paul Kohlmann, focusing on his P-40 project. Kohlmann discussed the meticulous process of designing, building, and flying this iconic aircraft model, highlighting techniques including the rotary drive system for seamless linkage and innovative landing gear solutions. He also shared memorable stories of his inspirations, including encounters with Flying Tigers veterans who piloted full-scale P-40s during World War II.
Kohlmann emphasized how attention to detail, such as accurate nose infilling for realistic finishes, brings these projects to life. His advice for successful flights—such as gradually increasing power during takeoff to prevent nosedives—showcases his expertise and passion for the craft.
I. Introduction and Trip Report (0:00–9:18) Jay Smith, host of Model Aviation Live, introduces the episode and discusses his recent trip to Chicago. The trip focused on visiting hobby industry companies in the area, including Sig Manufacturing, Gator RC, and Motion RC. Smith highlights key updates from each company, including Sig’s relocation and new facility, Gator RC’s upcoming products, and Motion RC’s expanded warehouse and unique offerings. Smith also shares a personal anecdote about meeting with a friend who programmed the Doctor Who pinball machine.
II. Paul Kohlmann Interview:
New and Upcoming Projects (9:18–14:24) Paul Kohlmann, model airplane designer, joins the show to discuss his recent and upcoming projects. Kohlmann shares details about his in-progress Grumman Widgeon design, noting its similar construction to his popular Grumman Goose. Smith and Kohlmann briefly tease a new project collaboration to be revealed later in the show.
III. Paul Kohlmann’s P-40: Design and Construction (14:24–36:14)
Part 1: Building the Framework (14:24–24:14) Discussion of the P-40’s balsa framework construction, with emphasis on techniques not covered in Kohlmann’s previous P-36 Hawk articles. Explanation of the decision to infill certain areas of the nose for added strength and scale appearance.
Part 2: Covering, Landing Gear, and Linkages (24:14–31:38) Overview of the covering process and techniques used for painting the rudder. In-depth look at the installation of retractable landing gear, including the use of FMS P-40 retracts and the creation of custom landing gear doors. Detailed explanation of the Rotary Drive System (RDS) for aileron control, highlighting its benefits and installation process.
Part 3: Finishing Touches and Maiden Flight (31:38–36:14) This focuses on final assembly steps, including retract installation, tailwheel steering setup, and belly pan construction. Discussion of the P-40’s unique side windows and the use of 3D printed parts for the spinner, exhaust stacks, and instrument panel. It recounts of the P-40’s successful maiden flight and subsequent minor landing gear damage.
IV. Paul Kohlmann’s P-40: Flying Characteristics and Tips (36:14–38:57) Kohlmann provides advice for successfully flying the P-40, emphasizing a gentle takeoff approach because of the model’s long nose. He highlights the model’s light wing loading, gentle stall characteristics, and optional flaps for improved landings.
V. Building with Foam and Future Plans (38:57–45:00) Kohlmann responds to a viewer question about building the P-40 using foam board, expressing his support and offering assistance. Smith shares an anecdote about a viewer encountering copyright issues when attempting to print the P-40 plans.
VI. Announcing a New Fighter Face-Off: World War I (45:00-58:26) Smith reveals the exciting news of a third Fighter Face-Off collaboration between Paul Kohlmann and Derek Micko, focusing on World War I aircraft. Coleman and Smith discuss the challenges and excitement of choosing suitable WW I aircraft for the project, aiming for models in the 30-inch wingspan range. They acknowledge the abundance of WW I aircraft options and the unique design considerations involved. Smith shares details about the Blue Max Dawn Patrol event in Ocala, Florida.
VII. Conclusion (58:26-59:18) Smith thanks Paul Kohlmann for joining the show and reminds viewers of upcoming events and the next Model Aviation Live episode.