V-12 Curtiss D-12D Engine Construction
The scale model V-12 Curtiss D-12D engine that Alan made for his biplane model is a masterpiece. No castings were used for this scale model engine. Each piece was machined from solid stock.
V-12 Curtiss D-12D Engine Construction
Building this engine required knowledge and skill in a number of areas, from machining to cam grinding. In fact, Mr. Ingersoll designed and built his own machinery to grind the cam.
V-12 Curtiss D-12D Engine Construction
Note that a pencil was placed in each picture to provide scale reference.
V-12 Curtiss D-12D Engine Construction
V-12 Curtiss D-12D Engine Construction
V-12 Curtiss D-12D Engine Drawing
One of Alan’s drawings for the V-12 engine model.
V-12 Curtiss D-12D Engine Plans
A schematic that Alan used to build his scale model V-12 engine.
V-12 Curtiss D-12D Engine
Alan’s completed V-12 Curtiss engine was removed from the biplane model and displayed at the 1998 NAMES Expo in Michigan. Alan attended the show to receive his Craftsman of the Year Award, and viewers got to admire this incredible model engine.
V-12 Curtiss D-12D Engine
The tiny engine has a bore of just .80”, and a stroke of 1.062”.
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
With the propeller in place, this miniature engine looks every bit like the real thing.
V-12 Curtiss D-12D Engine
These last photos were taken when Alan’s miniature engine was on display again at the 2004 Men, Metal and Machines show in Visalia, CA.
V-12 Curtiss D-12D Engine
The level of detail on this miniature engine is exceptional.
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine Components
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine
V-12 Curtiss D-12D Engine