interwar period

These texts were from Conway's All the World's Fighting Ships 1906-1921 and 1922-1946 Late 19th century: The 1899 Naval Expansion Programme: My notes: The 4 built river monitors were ships of the Ion C. Bratianu class The 8 river torpedo-boats are the ships of the Capitan Nicolae Lascar...

Hi, here is a strange airplane concept,I never saw like it before ?. https://books.google.com.au/books?id=yyUDAAAAMBAJ&printsec=frontcover&dq=POPULAR+SCIENCE+1935&hl=en&sa=X&ved=0CCwQ6AEwBGoVChMI-NHVp73WxwIVh44sCh3cXAzB#v=onepage&q&f=false

Hi, here is a three little known light aircraft from Italy,the first called Bottini M.B.2,the second aircraft from Mr. Crisanti and the third was Fongri - De Grignani,does anyone one know more,but must be a little known ...

I've recently found this pretty interesting Japanese Project at the Hiraga Archive. It looks like a hybrid cruiser-carrier warship from 1920's era. There seems to be a few variants mostly by how large the hanger should be and where to locate the conning tower and AA guns. Apart from the unique...

I've found calculations for a 10.000ton cruiser in the Hiraga archives. What is unique about this vessel that it would carry 4 triple 20cm heavily armoured gun turrets, though calculations shows quad turrets were considered as well, but it is unknown if it would carry the same number of such...

Anyone have any more information about dimensions and speed of this 1937 Italian sub hunter of 1300 tons with anti-submarine float plane? Love to know more about the floatplane. 3x1 120mm; 4x1 20mm; 2x2 torpedo tubes; 4 depth charge throwers, and sonar...

Hi, here is Guidoni early aircraft concepts,and his his activities in aviation about developed a floats to anther airplanes,in early period. http://www.alieuomini.it/pagine/dettaglio/uomini,5/ricordi_di_idroaviazione,21.html

I've posted this on another forum but it is better to post many forums to see if anybody know anything about this, I've got hold an extract from a naval forum about possible modernisation plans for the Kawachi class Battleship IJN Settsu which was stripped from her armament after the Washington...

Hi, during 1924,Randolph F. Hall designed a three different monoplane aircraft patents for the Thomas-Morse company. http://scripophily.net/airdesbyranh.html

Anyone know something about japanese airships until 1945 ? I have found this article on j-aircraft : http://www.j-aircraft.com/research/jas_jottings/japanese_airships.htm

The Siddeley-Deasy Sinaia, also known as the Armstrong Whitworth Sinaia and Siddeley Deasy Type 103 was a twin-engine biplane day bomber with gunners in rearwards extensions of the engine nacelles. Four examples were initially ordered by the Air Ministry in 1917 but only one (serial J6858)...

DB 608 Work on this engine were launched in 1938. DB-608 is a further development of the engine DB-601. When the working volume of 36.6 liters the engine developed takeoff power 1210 kW (1650 hp.) At 2800 rev / min. The estimated altitude is equal to 5200 meters. Dry weight was 745 pounds...

Hi, in the Spec. P27/32E for day bomber aircraft,hawker submitted a proposal for low cantilever wing two seat aircraft project,and maybe a retractable landing gear.

Tatra Aircraft Designations - Závody Ringhoffer-Tatra as* The Ringhoffer-Tatra Works of Prague (Praha-Smíchov) produced a range of aircraft and aero-engine designs in the late 1930s. Both aircraft and engines had 'T' prefixed type designations. Tatra applied a separate 'T' series designations...

I've caught papacavy's "What If" disease, but this is purely for interest rather than literary purposes. As we all know, the Fairey Battle was an airplane which, once tested in combat, did not imbue its crews with any confidence that they would come home from attacking defended targets. Let's...

The navy type 93 attack-bomber (Mitsubishi 7-shi twin engine carrier base attack bomber) The aircraft carrier "Akagi" went into commission, and the IJN which could make the room the fuselage size which can be used from the carrier directed development of large carrier attack bomber to Mitsubishi...

Hi! Aichi AB-1(Aichi Biplane-1)civil transport and her competitor Mitsubishi MC-1, Nakajima N-36. The Ministry of Communications Civil Aviation Bureau invited the prize design of the pure domestic transport plane which will convey cargo with a passenger in 1925. This was a transport plane...

In 1932, the Imperial Japanese Navy issued a specification for its 7-Shi Land-based Attack. The only known contender (and winner) of that competition was the Hiro G2H1, or Type 95 Land-based Medium Attack, Twin Engine, also commonly known as the "Dai-ko" or "Big Attack." It was a remarkably...

Hi! Kawanishi E13K. http://www.airwar.ru/enc/sww2/e13k.html Auto translation. In 1937, the Imperial Japanese Navy decided to change the old Scout Kawanishi E7K seaplanes (Navy Type 94 Reconnaissance Seaplane) to more advanced aircraft. For this purpose, contracts were signed with companies...

Hi! Aichi E16A1 Zuiun.