Aviation CAD TechNotes

Grumman Goose Project Updates:

Before I dive into the exciting updates about the Goose, I would like to take a moment to address the recent posts regarding the SU-31 RC project. I’ve dedicated considerable effort to this project and have now brought it to a natural pause. I’ve revamped the SU-31 page, where you can explore the latest advancements, including the availability of detailed CAD designs in both full-scale and intricate 1/16-scale models. I encourage you to take a look!

I am currently working on a series of updates to the Grumman Goose project. This will include full surface modelling and comprehensive assemblies for the Landing Gear and Engines.

The surface panelling is being implemented in a series of carefully planned stages to effectively accommodate the significant variations in surface contours that occur along its length. To achieve optimal curvature continuity for the surface panels, I have undertaken the modelling of multiple fairing contours, each meticulously designed to ensure a seamless integration with the underlying structure. This approach not only enhances the aesthetic appeal but also ensures structural integrity, as it allows for precise adjustments that align with the dynamic shifts in the surface geometry.

The Landing Gear will be fully modelled, including detailed working mechanisms that will later be the driving parameters for a deployment simulation.

I am currently exploring various options for replicating the components as high-quality 3D prints. This initiative is part of a future project aimed at demonstrating operational criteria in a tangible, physical form. I plan to utilise advanced 3D printing techniques and materials to ensure accuracy and durability in the prototypes. Additionally, I will conduct thorough testing to assess their functionality and performance. This approach will not only enhance the visual presentation but also provide a practical, hands-on experience.

As a basic test to check the viability of the project, I 3D printed the front cover of the secondary gearbox to see how it worked out.

The engine is still very much a work in progress, which I will feature in a future post. Following the example of the SU-31 project, the Grumman Goose will also be available in a 1/16 scale version suitable for RC projects.

For reference, this is the Landing Gear Assembly Drawing #12600.