Wright R-1820 Cyclone Engine Intake Valve Display Liaison Aircraft 75 inches diameter and ~5

75 inches diameter and ~5 inches long

Here is an early WW2-era Airspeed Indicator with a maximum airspeed of 200 MPH

F-86 Sabrejet

and Grumman TBF Avenger

The B-11 indicator was used across all Air Corps dual engine aircraft

Wright R-1820 Cyclone Engine Intake Valve Display Liaison Aircraft 75 inches diameter and ~5This is an Intake Valve for the Wright R 1820 Cyclone aircraft engine, set in a wooden display with plaque. The Wright R 1820 Cyclone was an American radial engine developed by Curtiss Wright, and widely used on aircraft in the 1930s through 1950s. Most notably, it was the engine used in the WWII era US Army Air Force B 17 Flying Fortress Bomber and C 47 Skytrain, and the US Navy's SBD Dauntless and SB2C Helldiver Dive Bombers. The angled display