When you are selecting the correct power plant for your giant-scale project, there are many factors to consider, including the size, weight, noise level, and carburetor type for the engine.These requirements can change with the intent of the project. A giant-scale aerobatic enthusiast, for example, is looking for pure performance, whereas a scale builder might only be interested in replicating the sound of the full-scale subject.
This discussion revolves around gasoline-powered models and the fundamentals behind setting up your aircraft with your engine choice to determine the appropriate fuel tank location. Fuel tank installation and plumbing are very important for good engine performance as well as the use of the proper fuel and oil mixtures. For the newcomer to giant-scale flight, many of these topics might appear complicated as each topic is critical to the model’s longevity, a firm understanding is required.
On precision aerobatic models, it is best to install the fuel tank (and smoke tank if applicable) on the center of gravity (CG) of the airplane…
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