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IS-3, Take One

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"Report on experimental work at factory #100 for the first 10 days of June, 1943

Most effort at the factory was directed towards production and assembly of IS-3 components according to altered blueprints and continuation of factory trials of IS-1 and IS-2 tanks, bringing the total distance travelled to 2000 km.

Production and assembly of IS-3 components
  1. The factory #100 production plant received altered blueprints on May 25th, 1943.
  2. All components are in production aside from those that cannot be produced at factory #100: the hull, F-85 gun mount, turret, commander's cupola. The aforementioned parts are being produced at factory #200. The final drive and a portion of the drive sprocket are being produced at the Kirov factory.
  3. Most components for one vehicle have been completed and are being finished at factory #100, with the exception of the cooling fan, ammunition racks, and individual parts of other assemblies.
  4. The assembly of the drive sprocket and lower suspension has started.
  5. The gearshift gate, idler with tension mechanism, radiator, main friction clutch, speedometer control rod, planetary turning mechanism, gearbox, control rods, and brake are assembled.
  6. Casting and forging work is finished.
  7. Assembly of the hull and turret at factory #200 is being delayed due to organizational reasons and production issues. Factory #200 promises to complete assembly by June 15th, 1943.
  8. F-85 artillery systems have not yet been received.
The Kirov factory, which is scheduled to produce two IS-3 tanks, is receiving three sets of parts (one set to be used for spares)."


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