Nearly five years, the ousting of John Holland, a private company in 1904 came to a natural end. Amateur inventor had left the firm and his place was taken by young and energetic professional Speer. However, the impact of such a significant figure at the successor remained in force. The first series of submarines SPIRA, type “B” was the direct development of the “hedgerow” and the actual “Hollands”. And in the creation of the project participate directly to the Patriarch of the underwater shipbuilding. Fortunately, the task before the designers enough.
A SMALL STEP FOR SMALL STEP…
“Field guns on the mobile carriage” was initially called in the troops of the Wehrmacht 105-mm self-propelled howitzer Sd.Kfz.124 Wespe (“Vespa”, “Wasp”), They appeared at the front in the spring of 1943 and their baptism of fire had for the operation “Citadel”, to participate in the battle of Kursk. There is evidence that while the German combat formations were up to seventy guns, fifteen of which were destroyed by the fire of our divisions.
First domestic FWD. What vehicle did not invent tireless automakers! Their drawings were cars with engines at both the front and rear, with the leading front wheels and rear wheel drive and the most advanced authors with a drive to all four wheels…
This Japanese car belongs to the group of mid-size AWD SUV-crossover which production was designed primarily for the American market. In the standard version it is designed for five people, but as an option, the buyer is offered a seven-seat version.
Long-range bomber Il-4 (DB-DF) was established in 1940 Intended for bombing attacks in the deep rear of the enemy, DB-ZF from the first days of the war these planes were used to deter the advancing German troops, mainly in the afternoon. The solution to unusual problems without escort fighters resulted in heavy losses, but this practice did not last long. During the war the aircraft was constantly adapted to the technological capabilities of enterprises, enhance weapons, on some machines, set the autopilot.
The first flight of fighter I-301 with motor liquid cooling M-105P, created under the leadership of S. A. Lavochkin, V. P. Gorbunov and M. I. Gudkov and became the prototype of the LaGG-3 was held on 19 March 1940, Good armament (20mm cannon and 12.7 mm machine gun) together with a high speed (605 km/h) prototype machine contributed to the rapid introduction And 301 for six aircraft factories. The first production aircraft took to the air January 23, 1941
The first domestic locomotive ВЛ19. In the late 1920-ies in our country began the so-called industrialization, whose main objective was to lift the industry to the level of the leading industrial powers of the world. A special role in this process was given to the reconstruction of the railway transport, which was in a deplorable condition — effect like the effects of the Civil war and the growing shortage of qualified personnel that led to the stagnation in the development of railway equipment.
Yak-9 became the subsequent development of long-range fighter Yak-7ДИ, appeared in October 1942 and the Yak-7ДИ made two wing tank, reducing fuel capacity up to 320 kg. there were some other seemingly minor, but important differences in a battle. This version was tested successfully and were built in three factories under the designation Yak-9. Armament usually consisted of 20-mm cannon ShVAK and the UBS 12.7 mm machine gun.
The development of anti-tank artillery in the second half of the 1930-ies, in particular the appearance of the guns of calibre of 37 — 47 mm, has questioned the effectiveness of the use of tanks with thick armor 20 — 25 mm. clearly this was proved by the experience of the civil war in Spain. Anti-tank gun of Franco easily punched well armed, but poorly protected tanks, the Republicans — the Soviet T-26 and BT-5. However, the problem of security was not only light, but medium and heavy tanks. They all had different weapons and sizes, but virtually the same reservation is applied to the heavy tank T-35.
The sale of this American car-SUV began in our country in 2008, and the first presentation of the car took place in the United States two years earlier under the motto All-new for 2007 Tahoe, which roughly translates to “a brand new 2007 Tahoe”. The machine is third-generation all-wheel drive vehicles of this type. From its predecessor Tahoe inherited V-shaped eight-cylinder engine, automatic transmission and the signature all-wheel drive system Autotrac. However, the front torsion bar suspension instead of spring appeared the Stoics, became more rigid frame and optimized suspension point of the engine.