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April/May Dakota Territory Air Museum P-47 Update

Jenny, a 341st Fighter Squadron P-47, photo downloaded from http://onepilotswar.blogspot.com/2010/07/full-color-photos-of-341st-fighter.html, 5/21/2020

Update

Adaptations in how we work on warbird restorations in the current health crisis have become more comfortable, and progress on the P-47 is going well. One milestone happened this month when Eric Hokuf transported the spars down to be anodized before assembly.

Recognition Light Control Box

Systems installation in the cockpit took up a lot of time this month.

Cockpit

Fuselage

Wing Structure

Erik Hokuf transported the wings spars down to Diversified Services Incorporated in Wellington, Kansas for anodizing. DSI is one of the few anodizers who can handle pieces as long as the P-47 wing spars. Now that they are back, they have been painted and are being prepared for final assembly.

Wing Structure

Like so many Americans, AirCorp Aviation’s employees have been doing as much work at home as possible for health safety reasons.

Aaron shared some pictures of his work area at home, where he assembles electrical components and solders connections.

Outside Contractors

The contributions to victory in WWII were many and varied, but the production mobilization in America was undeniably a huge factor in the final outcome. That contribution has been immortalized as the “Arsenal of Democracy”. 

Like all aircraft manufacturers, Republic couldn’t produce complete planes without many components made by outside suppliers.  Additionally,  some of the actual assembly work was contracted to outside suppliers.

Many outside contractor companies produced consumer goods before the war and had to completely (and quickly) change their production over to aircraft parts or assembly during the war years.

One of the postwar parts catalogs for the F-47D included a list of approved contractors. While it is likely the list would be slightly different and perhaps longer during the war, it still gives a good idea of some of the contributors to the manufacture of the Thunderbolt.1

1 Parts Catalog for F-47D-25 Thru F-47D-40, AN 01-65BC-4A, 12-Feb-1951

In the single city of Evansville, Indiana, fifty different companies contributed the P-47s coming out of Republic’s Evansville factory.

Because this manual is dated post-war, not every subcontractor of the P-47D-23s made in Evansville appears on the parts list

 A few of the more important local subcontractors for the Evansville Republic plant were:

  • Firestone Tire & Rubber: Self sealing fuel tanks, tires, engine oil seal “o” rings
     
  • Servel Corporation: Manufacturer of heating and cooling appliances (produced almost all P-47 wings for Evansville plant)
    Servel Corporation
    Corporate photo to celebrate the 20,000th P-47 wing panel made by subcontractor Servel Corporation. Photo courtesy of Harold B. Morgan Collection

     

  • Hoosier Cardinal: An Evansville stamping company that made metal refrigerator parts, including ice cube trays, and lamps (manufactured tail surface sections of the P-47)
    Hoosier Cardinal
    Workers near completion of a P-47 horizontal stabilizer at the Hoosier Cardinal factory. Photo courtesy of Harold B. Morgan Collection
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