PPRuNe Forums - View Single Post - BK 117 D-HBMT: experimental rotor system?
Old 9th Feb 2016, 20:00
  #8 (permalink)  
500 Fan
 
Join Date: Dec 2007
Location: Ireland
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Click on the first two photos here. It might offer more info.

https://www.google.ie/search?q=BK117...D-hmbd&imgrc=_

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