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Ever seen a flight take off from water Amazing incident 2016

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Post by Eroo 3/10/2017, 19:03

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Post by Eroo 3/10/2017, 19:03

Ima smisla... :)
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Post by RayMabus 3/10/2017, 19:15

Nisam baš skužija u cemen je poanta ...osim šta je gume spustija u vodu ...

Ever seen a flight take off from water Amazing incident 2016  800px-Beriew_Be-200_CH-S_Detail_Bug_2
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Post by Eroo 3/10/2017, 19:23

Valjda nisu za ovaj način namjenjeni. Vodom se pune na kopnu, gdje se i spuštaju.

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Nulla rosa sine spina
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Post by RayMabus 3/10/2017, 19:43

WATER SCOOPING

Ever seen a flight take off from water Amazing incident 2016  Be-200_4Be-200 at Santa Maria – Image: wildfiretoday.com
While gliding on the water surface, the Be-200 scoops up to 12 tons of water in 18 seconds. The water tanks are filled through two symmetrical scoops located behind the front hull bottom step, where the maximum pressure of water flow occurs.
To avoid hydrodynamic shock induced by water scooping, the water tanks are vented through pressure balancing ducts.

https://thaimilitaryandasianregion.wordpress.com/2015/11/03/russian-beriev-be-200-amphibious-aircraft/
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Post by RayMabus 3/10/2017, 20:04

Ever seen a flight take off from water Amazing incident 2016  St_20151008_planes08_1744051

http://www.straitstimes.com/asia/se-asia/indonesia-to-get-russian-water-bombing-aircraft
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Post by Yehudi 3/10/2017, 20:11

Visoko pozicionirani motori, plovci na krajevima krila i trup u obliku broda

govore dovoljno. Amfibijski avion kojemu je prvotna svrha dostavljati gorivo 

 diesel podmornicama i drugim plovilima, a služi i za gašenja požara
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Post by RayMabus 3/10/2017, 20:18

Ever seen a flight take off from water Amazing incident 2016  136959647202913201904_158542824
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Post by RayMabus 3/10/2017, 20:42

Ovo ti je od Kanadera gdje voda ulazi i dok on pici ona ulazi i puni tankere unuta.


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Post by RayMabus 3/10/2017, 20:50

Kod Beriveva ti je isto tako samo je ko rupa ( u trupu , iza tockova po liniji )


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Malo je to , jedva se vidi , u rangu s točkovima ...ispod trupa ....voda tu ulazi u dva tanka i puni ostale ...1 tona vode u sekundi ....
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Post by RayMabus 3/10/2017, 21:04

Yehudi wrote:Visoko pozicionirani motori, plovci na krajevima krila i trup u obliku broda

govore dovoljno. Amfibijski avion kojemu je prvotna svrha dostavljati gorivo 

 diesel podmornicama i drugim plovilima, a služi i za gašenja požara
Prvotna svrha mu je amfibija transport i gašenje požara .....tako da donekle jesi u pravu al je ipak tehnicki izveden kao multipraktik amfibija sa sistemom za bacanje i skupljanje vode ...no baca je s visine od 40 metara pa se više koristi kemija nego klasicno punjenje jer 40 metara visine sama voda se rasprši panegasi.

....

Be-200 mission variants
The Be-200 mission variants include fire-fighting, search and rescue, freighter, passenger aircraft and ambulance. The fire-fighting variant has a crew of two members, and is fitted with fire extinguishing fluid and water tanks. The aircraft can drop 270t of water on the fire area without refuelling.

Firefighting version

Ever seen a flight take off from water Amazing incident 2016  200_komp
The Be-200 is an amphibious air-tanker with water-scooping capability.
The aircraft can scoop water into eight water tanks while gliding on the water surface, or they can be filled with water or fire retardant from cistern or hydrant at the airfield. Water tanks are installed under the floor of the pressurised cargo cabin, thus providing ample room inside the cabin for the fire crew or cargo accommodation. 

WATER SCOOPING

Ever seen a flight take off from water Amazing incident 2016  Be-200_4Be-200 at Santa Maria – Image: wildfiretoday.com
While gliding on the water surface, the Be-200 scoops up to 12 tons of water in 18 seconds. The water tanks are filled through two symmetrical scoops located behind the front hull bottom step, where the maximum pressure of water flow occurs.
To avoid hydrodynamic shock induced by water scooping, the water tanks are vented through pressure balancing ducts.
The aircraft can be also equipped with auxiliary tanks for fire-retarding chemical agents, with a total capacity of up to 1.2 cubic meters (317 US gal). Radial flow pumps are used to mix the special foam-forming liquid with the water being dropped to enhance its firefighting effectiveness. Source redstar.gr
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https://thaimilitaryandasianregion.wordpress.com/2015/11/03/russian-beriev-be-200-amphibious-aircraft/

Imaš ih sve skupa 10 komada plus neešto naruceni pa onda pricat o verzijama je ipak samo prica ....uglavnom je za gašenje požara verzija.
https://en.wikipedia.org/wiki/Beriev_Be-200#Variants
Mana mu je šta nemože uzet vodu s malih površina tj malih vodenih relacija i šta s 40 metara visine najviše može bacit vodu na vatru a do tada se vodena para rasprši ...pa onda moraš kombinirat s kemijom ( posebni tank pa se mješa s vodom ).
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Post by RayMabus 3/10/2017, 21:53

Sa Berievom je sve ok , tehnicki zanimljiv zrakoplov samo eto baca vodu s 40 metara visine na vatru a onda se voda pretvori u paru pa baš i nema efekta ..pa onda moraš mješat s kemijom dakle sletit na aerodrom a onda koji ce ti kuaz amfibija ....tako da je Kanader ipak za tu šemu ako oceš koristit vodene površine za gašenje ipak puno prakticniji ...onda Japanci i Kinezi isto imaju amfibije al ono koriste ih za spašavanje na moru , tranport , patriloiranje i tako a ne za gašenje požara iako ih mogu prenamjenit tj izvest i tu opciiju ( Kinezi su jedan svoj prenamjenili i za gašenje ) ...no uglavnom neprave ih za gašenje požara upravo iz razloga šta bi tu vodu morali bacat s vece visine pa nema smisla a ako vec mora na zemljanu pistu onda nemora bit amfibijski.

...

Meni osobno za takvu vrst aviona ako ceš amfibijsku transportnu najbolji ovi klasicni šta sad Japanci i Kinezi rade ....cetri propele , dva plovka radi stabilnosti ....ono klasika.

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