Thursday, June 23, 2011

#Fukushima I Nuke Plant: T-Hawk Helicopter Crashed onto Reactor 2 Building

The US-made unmanned helicopter T-Hawk crashed on the roof of the Reactor 2 reactor building of Fukushima I Nuke Power Plant as it was taking air samples for radiation measurement.

Never a dull day at Fukushima I.

Yomiuri Shinbun (12:31PM JST 6/24/2011) reports:

東京電力は24日、福島第一原子力発電所2号機上空で放射性物質の濃度を測るため空気を採取していた米国製無人ヘリコプター「Tホーク」が、同日午前7時ごろに操縦不能に陥り、2号機の原子炉建屋の屋上に墜落したと発表した。

TEPCO announced on June 24 that the US-made unmanned helicopter T-Hawk became inoperable at about 7AM and crashed into the roof of the Reactor 2's reactor building. The helicopter was taking air samples to measure radiation.

 Tホークは重さが約8キロ、プロペラの差し渡しは約50センチ。炎や煙は確認されていないが、クレーン車で屋上の画像を撮影するなどして、建屋に損傷がないかどうか確認を急ぐ。

T-Hawk weighs about 8 kilogram, with the wingspan of about 50 centimeters. There is no fire or smoke observed on the building, but TEPCO will use the crane to take a video of the roof and make sure there is no damage to the building.

 2号機の原子炉建屋は19日夜から外部に面した扉を開き、建屋内にこもっていた高湿度の空気の放出を始めている。無人ヘリは無線操縦で2号機上空を飛び、原子炉建屋から出ている空気を採取して、着陸後に放射線量などを測定する予定だった。

The reactor building's double door has been open since the night of June 19 to release the humid air inside the building. T-Hawk was to fly over the Reactor 2 to collect air samples, and to measure the radiation after landing.

13 comments:

hire web developer said...

It reminds me of the day when WTC was crashed by Bin Laden. Such a horrible day it was.

Anonymous said...

It also reminds us of this helicopter who crashed at Tchernobyl when his pilot got sick from irradiation.

Luckily, from what I have understood, the helicopter which crashed onto the reactor 2 building was only a small drone. I don't think it could have done much damage (keeping my fingers crossed) but I can't help thinking what would have happened if it has been a full size helicopter!

Anonymous said...

You mean the Israelis did it? Yeah, I can see the connection...

Anonymous said...

Who pays? Being a US military developed 'toy' helicopter it had to have cost at least $50 million dollars even if it only weighed 8kg.

Pink Diamonds said...

Great post full of action and fun.Was nice to be a part of your post.

netudiant said...

The T Hawk shares all the problems common to any small drone, everything is single string and if anything fails, a crash is likely. Duplicating the sensors and controls to always have a backup ready adds weight, which means a bigger and more costly drone.
Keeping it small and cheap instead is a good tradeoff for the military, which were the initial market for the T Hawk, to view the drone as semi expendable. Given the environment in which the T Hawks operate at Fukushima, a similar mind set seem apposite.
Just hope TEPCO has the same perspective.

Anonymous said...

Fly, little T-Hawk, fly! Ooops...

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