Download A-20 Havoc in action No 144 by Jim Mesko, Joe Sewell, Don Greer PDF

By Jim Mesko, Joe Sewell, Don Greer

Constructed out of the DB-7 sequence of sunshine bombers. A-20s, Havocs & DB-7s observed motion in nearly each significant theatre of operation in the course of WWII. Used as a mild bomber, flooring strafer & nightfighter. Over a hundred images, forty element drawings, three pages of scale drawings, thirteen colour work, 50 pages.

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A-20 Havoc in action No 144

Constructed out of the DB-7 sequence of sunshine bombers. A-20s, Havocs & DB-7s observed motion in nearly each significant theatre of operation in the course of WWII. Used as a gentle bomber, floor strafer & nightfighter. Over a hundred images, forty element drawings, three pages of scale drawings, thirteen colour work, 50 pages.

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Science and Life, vol. 3, d88. 3 Planning the lunar landing After the ¯ight of the First and Second Cosmic Ship and then the Automatic Interplanetary Station, the full attentions of OKB-1 switched to manned space¯ight. Design of the ®rst manned spaceship gathered pace over 1959, culminating in the launch of the ®rst prototype, Korabl Sputnik, on 15th May 1960. The rest of the year was spent on re®ning the design, testing and preparing the ®rst team of cosmonauts for ¯ight. Only after ®ve Korabl Sputnik missions, with dummies and dogs, were the Russians prepared to commit a cosmonaut to such a mission, called for the purpose the Vostok spacecraft.

20 The ®rst moon probes They were hypergolic and ®red on contact with one other, saving on ignition systems. The great disadvantage was that they were toxic: men working on them had to wear full proper protective gear. The consequences of an unplanned explosion did not bear thinking about and Korolev labelled the fuel `the devil's own venom'. Glushko proposed the R-7 ¯y his new upper stage, the RD-109. Korolev had his doubts as to whether Glushko could get his new engine ready for him in any reasonable time.

The ®rst round of results was published by scientists Sergei Vernov and Alexander Chudakov in Pravda on 6th March 1959. More details were given by the president of the Academy of Sciences, Alexander Nesmyanov, opening the Academy's annual general meeting that spring, which ran from 26th to 28th March. First, no magnetic ®eld was detected near the moon, but scientists were aware that it was possibly too far out to detect one. The magnetometer noted ¯uctuations in the Earth's magnetic ®eld as the First Cosmic Ship accelerated away.

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