Kongo-Haruna-Kirishima-Hiei Refit (Full Version)

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Chiteng -> Kongo-Haruna-Kirishima-Hiei Refit (10/11/2003 10:00:09 PM)

I read somewhere that the marine engines for these ships were built in the
Philly ship yards. Does anyone know if that is true?



Mr.Frag -> (10/11/2003 10:23:34 PM)

The Kongo was built by the Brits under contract to Japan.



pry -> (10/11/2003 10:28:15 PM)

During their last major refits before the war they all had their machinery replaced with Kanpon Boilers and Kanpon Geared turbines which increased SHP from 64,000 to 136,000 and speed increased from 26 to 30.5 knots.

Kongo 6/35 - 1/37
Haruna 8/33 - 9/34
Kirishima 6/34 - 6/36
Hiei 11/36 - 1/40 (work took so long because she had been a demilitarized training ship for cadets until 36)

Kongo as built by Vickers-Armstrong
with 36 Yarrow boilers and Parsons Turbines



norsemanjs -> (10/11/2003 10:49:12 PM)

From Siegfried & Breyer's "Battleships and Battlecruisers 1905-1950" translated to English 1973 published by Doubleday

"After 2nd conversion, including Hiei: four Kanpon turbines driving 4 props/ Haruna 11 and the others 8 Kanpon boilers (oil) / output 136,000 shp; speed 30.3 to 30.5 (hiei 29.7) knots/ one rudder.

Trial run results: up to 136,800 shp (30.29 knots). Hiei 137,970 shp (29.9 knots).

The total wight of the propulsion plant was reduced from 4750 tons to 3943 tons during the first conversion and 2929 tons during the second converson."

Not sure why there is a difference in the Hiei. But it looks like the work and equipment was of Japanese origin. The Kongo and about 30% of Hiei were originally foreign equipment. Otherwise they were from Japan.



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