The قطار Diaries
The قطار Diaries
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A variable geometry wing might be improved in flight to another condition. The variable-sweep wing transforms involving an productive straight configuration for takeoff and landing, to your very low-drag swept configuration for top-velocity flight.
The traveling wing configuration was examined thoroughly from the 1930s and nineteen forties, notably by Jack Northrop and Cheston L. Eshelman in The us, and Alexander Lippisch and the Horten brothers in Germany. After the war, many experimental designs were being depending on the flying wing strategy, though the recognized troubles remained intractable. Some typical curiosity ongoing right up until the early 1950s but layouts did not always give an awesome edge in vary and introduced various complex complications, leading to the adoption of "standard" remedies like the Convair B-36 plus the B-52 Stratofortress.
One example is, a single firm is often chargeable for the manufacture of the landing equipment, while One more a person is accountable for the radar. The creation of this sort of pieces just isn't restricted to the identical town or state; in the case of huge plane production firms, such parts can come from everywhere in the earth.[citation required]
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Cayley founded the trendy configuration of an plane as a fixed-wing traveling equipment with independent programs for raise, propulsion, and Regulate as early as 1799. ^
برای اطلاع بیشتر صفحهی «قوانین حمل بار با قطار» را مطالعه کنید.
This tactic at some point led towards the Northrop B-2 Spirit stealth bomber. In such cases, the aerodynamic advantages of the flying wing usually are not the main wants. Nevertheless, modern-day Personal computer-controlled fly-by-wire techniques authorized for a lot of the aerodynamic downsides on the flying wing to be minimized, creating for an productive and secure long-assortment bomber. Blended wing system
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«ترن» به اینجا تغییرمسیر دارد. برای دیگر کاربردها، ترن (ابهامزدایی) را ببینید.
مونوریلها برای پاسخگویی به ترافیک تقاضای متوسط در حمل و نقل شهری ساخته شدهاند و شامل قطاری است که با یک ریل منفرد حرکت میکند و بهطور معمول در ارتفاع قرار دارد.
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تور گروهی یک سفر کوتاه و دلخواه رو تجربه کن! بلیط قطار قطار از مبدا تهران
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