History The famous Wright Whirlwind J5c Radial Engine is considered by most historians as one of the most important achievements in aviation technology. Designed in the mid 1920’s by Charles L. Lawrance, it was used over many years, on thousands of airplanes. It was a reliable and economical engine, producing 220 HP at 2000 RPM. Air cooled, it displaced 788 cubic inches, and ran on 50 octane fuel. Most important, it was lightweight, at only 520 Lbs dry.
Charles Lindbergh used the J5c engine to power his 'Spirit of St. Louis' monoplane on history’s first solo non-stop transatlantic flight, “New York to Paris”, on May 21, 1927. It was also used on the famous Tri-motor, the Lockheed Vega and the Army Air Corps’ Atlantic C-2, for the first transpacific flight in 1927, as well as many other aircraft. The J5c was designated the R-790 for military use.
The Model This is an exact-scale (1:1) museum quality CAD model created in SolidWorks™ to exacting detail, from many drawings, photographs and extensive research. The level of detail allows for extreme close-ups. The model is quite large at 4,317,826 polys, but runs well in all applications I have tested.
I have not yet modelled the interior components such as crank, rods or pistons, but the primary castings are shelled with interior detailing. The bulkhead engine mount is included. There is no propeller.
All appropriate parts and surfaces are UV mapped.
The SolidWorks™ model was converted to .obj in SimLab Composer. The preview images were rendered in KeyShot2 from Luxion.
Please note: 1) The .obj file does not include the maintenance stand. 2) The SolidWorks and Parasolid files do include the maintenance stand.
Please see also my other projects by clicking on the Gould Studios link at the top of the page.
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