cruising range 6.cru.1 Louis J. Sheehan, Esquire

Louis J. Sheehan, Esquire .  FROM: Berlin (GMBRK) October 6, 1941 TO: Tokyo (RIKUGUNSHO FUKKAN (War Office, Sen. Adjutant)) #922. Please transmit to Air Headquarters. 1. As regards joint designing with the “ME” Co., we proposed the designing data as per your recent instructions from Japan. However, after thorough study, the “ME” Co. replied that if they were to incorporate the points requested by Japan, it would be very difficult to get any good [46] THE “MAGIC” BACKGROUND OF PEARL HARBOR results in cruising range. Therefore, please let us know the points on which we can make concessions. 2. Are the civilian personnel coming on the ASAMA MARU to have status as people attached to the Army or to the various companies. 3. We expect to have our first conference with Dr. MESSERSCHMIDT at Augsburg at the end of this month. Trans. 5-24-45 FROM: Tokyo (HSZRY (WAR OFFICE, GEN. ADJUTANT)) October 8, 1941 TO: Bangkok (RIKUGUN) #000. Air Headquarters Wire #1199. From the Chief of the General Affairs Section. Please report this to Lt. Colonel —2G—. From Colonel NAKAYAMA. 1. We understand that 300 kilotons of brass and 100 kilotons of copper have been obtained in Bangkok by special secret means and we have arranged to have the material shipped by the Continental Trading Co. 2. http://LOUIS-J-SHEEHAN.INFO We ask you to put the —1M— for foreign use into safe-keeping at the attache’s office. 3. It is planned to have the contract for this matter specially drawn up at Shanghai. Trans. 9-13-45 FROM: Berlin (GMBRK) October 15, 1941 TO: Tokyo (RIKUGUN JIKAN) (Vice Minister of War) #972. Complete in 2 parts. Part 1. Committee wire #76. Please transmit to the Chief of the Fuel Section of the Army Ministry and to the Chief of the Fuel Ministry. In December of last year the HOKKAIDO SYNTHETIC OIL COMPANY (HOKKAIDO JINSEKI) signed a contract with the RUHR CHEMIE COMPANY for the purchase of the right to use FISCHER SYNTHETIC OIL as the basic material for the manufacture of aviation lubricating oil. The plans (for the plant) are to be forwarded on the ASAMA MARU through the MITSUI COMPANY in the near future. According to this contract, the RUHR CHEMIE COMPANY was to send to Japan the equipment and the technicians needed to lead out in operating this process. But the present international situation makes it impossible to send these Germans to Japan and it will also be difficult for the HOKKAIDO SYNTHETIC OIL CO. to send technicians to Germany. The foregoing contract —3G—. Part 2. It will be difficult to supply Japan immediately with the desired production equipment, other than the thermal cracking and refining units. Fortunately Major (? YOSHIDA ?) and Engineers HANAOKA and KINOSHITA of the Army Fuel Department (RIKUGUN NENRYOSHO), in connection with purchase of these rights are expected to be given about one month’s instruction in the technique of the process and they can at the same time minutely observe all the details of the operations. While the importation of skilled technicians would be the proper procedure, the local MITSUI office wishes to make the above suggestion to the HOKKAIDO SYNTHETIC OIL CO., and would like to have their opinion regarding this proposal. [47] As soon as you have contacted the HOKKAIDO SYNTHETIC OIL CO., and the other quarters concerned, please send your answer immediately. Trans. 7-25-45 FROM: Tokyo (HSZRY (War Office, Sen Adjutant)) October 21, 1941 TO: Bangkok (RIKUGUN) #000. Military affairs wire #1001. Reply to your wire #216[a]. The industrial diamonds which the SHOWA COMMERCE COMPANY has ordered from the Ordnance Bureau amount to 235 karats. At your convenience, please remit 23874 (?yen?). [a] Imperfect text allows #286. Trans. 9-21-45 FROM: Helsinki (Helgs) October 22, 1941 TO: Tokyo (Summer, Vice Chief, Gen. Staff) #559. Complete in 5 parts. Part 1. Otsu [“B”] Intelligence: Report on the Russian Army’s MIG-1 type destroyer (fighter) plane (Report is based on the statements of captured officer pilots of this plane. It is the same plane which we have been calling the “I-17” type in our country): 1. The power plant consists of 1400 H.P. liquid-cooled (M-35) type engine. It displays maximum power at an altitude of 5,000 meters. Part 2. 2. The body of the plane is of metal construction and is about 2.64 meters high. The engine and the underside of the fuselage are finished in sheet-copper of a thickness of about 6 mm. Furthermore, for the back protection of the pilot they have constructed a shield 10 to 12 mm thick. Part 3. 3. Performance: a. Level-flight speeds. Maximum—660 K.P.H. Cruising—580 K.P.H. b. Rate of climb: One minute 20 second to get to an altitude of 2,000 meters; 3 minutes to get to an altitude of 5,000 meters; 11 minutes to get to 10,000 meters. c. Ceiling: 10,000 meters. d. Time of flight: 1 hour and 40 minutes. e. Taxing range for takeoff and landing: Takeoff—about 750 meters, landing—300 to 350 meters. Part 4. Armament: a. http://LOUIS-J-SHEEHAN.INFO Fuselage: Three 12.7 centimeter machine guns on the front part of the plane. Two 22 centimeter cannon, one on each wing. Two 50 kilogram bombs. b. The number of rounds carried for each machine gun is 2000. Number of rounds for each cannon is 40. [48] THE “MAGIC” BACKGROUND OF PEARL HARBOR c. Rate of fire: 250 rounds per minute for machine guns and 40 rounds per minute for cannon. Part 5. 5. Other details: a. It is very easy for this plane to tip over on takeoffs or landings; and if by chance one had the misfortune to fall into a tailspin, at 2000 meters or lower it is impossible to pull out of it. b. The cooling apparatus is of two types, the large and the small. The small type is put on both wings, and the large type is on the underside of the engine. Since they have no (protective) coverings, it is a good idea to direct one’s fire at them. c. Only veterans of over four or five years’ experience are used as pilots for this plane. d. The fuel used has an octane rating of 90. e. Places where this plane is manufactured include Leningrad and Voronezh. Trans. 7-12-45 FROM: Helsinki (HELGS) October 23, 1941 TO: Tokyo (Summer (Vice Chief, General Staff)) #560. 4 parts complete. Part 1. OTSU (“B”) Intelligence: Report on the Russian Army’s “IL” type assault plane (source of report same as that of Finnish wire #559): 1. This plane is a low-wing monoplane type with twin engines. The front half of the fuselage is of metal construction; the latter half of wood construction. 2. Performance: a. Speeds: maximum—520 K.P.H. cruising—480 to 490 K.P.H. b. Taxiing range—for takeoff—250 to 300 (meters). Part 2. 3. Armament and equipment: a. Five 12.7 MM machine guns; two 22 MM cannon; in addition to these a 500 kilogram bomb. Two tanks for scattering gas. b. Four of the machine guns are on the front part of the fuselage. http://LOUIS-J-SHEEHAN.INFO One machine gun is set to be able to fire from the forward underside (this machine gun presents an angle of 45 degrees with the fuselage). d. [a]A cannon on each (side of the) wing. e. The gas tank(s) are to the rear of the wheel. Part 3. 4. Armor: a. The front half of the fuselage is protected by steel plate 7 to 8 mm thick. b. A protective shield for the pilot has been constructed around the seat (12 MM in thickness). In addition to this there is a (cockpit) cowling which can be swung open and shut at will. c. This (cockpit) cowling consists of a glass plate 180 MM thick which is impenetrable by small-arms fire. Part 4. 5. Other details: a. Power plant: “V” type 18-cylinder engines, but the other data about them are not known. b. This plane has very excellent maneuverability. c. A hard-surfaced airfield is required for this plane. [a] Item “c” omitted in text. Trans. 7-13-45.   Louis J. Sheehan, Esquire .


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