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・ Helicopsis
・ Helicopsis conopsis
・ Helicopsis striata
・ Helicopsyche
・ HElicopTEr
・ Helicopter
・ Helicopter (disambiguation)
・ Helicopter (Martin Garrix and Firebeatz song)
・ Helicopter (song)
・ Helicopter Aircrew Breathing Device
・ Helicopter AirStair
・ Helicopter Association International
・ Helicopter Attack Squadron (Light) Five
・ Helicopter Attack Squadron (Light) Four
・ Helicopter banner
Helicopter bucket
・ Helicopter Canada
・ Helicopter carrier
・ Helicopter Combat Support Squadron Seven
・ Helicopter Cube
・ Helicopter deck
・ Helicopter doctor case
・ Helicopter dynamics
・ Helicopter flight controls
・ Helicopter Flight Rescue System
・ Helicopter Girl
・ Helicopter height–velocity diagram
・ Helicopter Heroes
・ Helicopter hieroglyphs
・ Helicopter Interdiction Tactical Squadron


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Helicopter bucket : ウィキペディア英語版
Helicopter bucket

A helicopter bucket is a specialised bucket suspended on a cable carried by a helicopter to deliver water for aerial firefighting. Each bucket has a release valve on the bottom which is controlled by the helicopter crew. When the helicopter is in position, the crew releases the water to extinguish or suppress the fire below. Each release of the water is referred to as a drop. The design of the buckets allows the helicopter to hover over a water source – such as a lake, river, pond, or tank – and lower the bucket into the water to refill it. This allows the helicopter crew to operate the bucket in remote locations without the need to return to a permanent operating base, reducing the time between successive drops.
==Design==

Buckets can be collapsible or rigid and vary in capacity from . The size of each bucket is determined by
the lifting capacity of the helicopter required to utilise each version. Some buckets can include fire retardant foam or the ability to pump water from the bucket into an internal tank. Smaller collapsible buckets can use water sources as shallow as . Worldwide, the term ''monsoon bucket'' is widely used and accepted as a generic term. In the United States, this type of bucket is officially referred to as a ''helibucket''.〔''(Glossary of Wildland Fire Terminology )'', National Wildfire Coordinating Group, pms205, October 2006〕 The trademarked ''Bambi Bucket'' is also commonly used informally by firefighting crews to describe buckets developed by other manufacturers.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Helicopter bucket」の詳細全文を読む



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