Category Archives: Aviation

NAA P-51D: Canopy

NAA P-51D Mustang: Canopy With the return to the P-51D project, I have been working on developing the fuselage and the canopy ordinates specific to the P-51D. Supporting information in this regard is hard to come by and we don’t have … Continue reading

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NAA P-51D Mustang: Using Ordinate Data

NAA P-51 Mustang: Using Ordinate Data Spreadsheets A question arose during a telecon today about using the Ordinate Spreadsheets for Cad and Modelling. Typically for the fuselage and cowlings, the spreadsheets are set out as above. The top section replicates the layout of the original … Continue reading

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NAA P-51D Mustang: Wing Ordinate Rev

NAA P-51D & B/C Mustang: Wing Ordinate Major Update: Thanks to Roland Hallam, I am now in receipt of new verifiable information that has prompted a return to the P51 project and a major update to the wing ordinate data … Continue reading

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Technote: Icosahedron Edge Calc

Technote: Icosahedron Edge Calculation: Geodesic geometry is rather interesting and occasionally quite challenging. I have recently been involved in a project to explore construction options for a structure based on an Icosahedron form. Although the basic geometry was created using Inventor I was … Continue reading

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Excel Spreadsheet Technote:

1. Use names in lieu of cell addresses Consider the ideal gas law (Wikipedia) calculation in the Excel spreadsheet in Figure 1. ▲Figure 1. For easy readability, this ideal gas law calculation has labels in the left column, values in … Continue reading

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Hoppers: Surface Model for Mass Containment

Hoppers: Surface Modelling for Mass Containment: Although not directly associated with aircraft design there are inherent modelling techniques equally applicable to many aspects of aviation. The techniques relate to surface modelling for the containment of a known mass or volume. In each … Continue reading

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Sopwith Pup:Wing Brackets

SopwithPup: Wing Brackets This was not meant to have been a study in its own right, but out of curiosity I couldn’t help but wonder if there was enough information to actually build an accurate 3D model. I was also curious … Continue reading

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