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Post Info TOPIC: Eurocopter X-series rotorcraft designations


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Posts: 3381
Date: Oct 18, 2012
Eurocopter X-series rotorcraft designations
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Credit goes to turboshaft for posting a similar list on SPF, thought it would be useful here as well:

 

X1 - AS350 B3e

X2 - EC130 T2

X3 - High-speed long-range Hybrid Helicopter demonstrator

X4 - Dauphin successor

  • Compound helicopter with dual pusher-propellers (unbuilt)
  • H160 - Airbus Helicopters revised design as a medium utility helicopter

X5 - EC145 T2

X6 - Replacement for the Super Puma family

X7 - Unknown

X8 - Unknown

X9 - New Eurocopter Donauwörth project

X10 - Unknown

X? - ?



-- Edited by Stingray on Sunday 28th of June 2015 02:51:18 PM



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Veteran Member - Level 3

Posts: 427
Date: Oct 29, 2012
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Interesting to see some additional "X" designations in Eurocopter's naming system. Especially seeing that a few were given to production lines that I honestly never knew carried them!



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Veteran Member - Level 3

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Date: Oct 29, 2012
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Stingray wrote:

X4 - Dauphin successor


 

Or "X3 Dauphin compound successor" to be more precise... aww



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Veteran Member - Level 3

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Date: Oct 29, 2012
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X3 is already listed as "High-speed long-range Hybrid Helicopter demonstrator" above X4, essentially a compound.



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Veteran Member - Level 3

Posts: 427
Date: Oct 29, 2012
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I know. I just meant to clarify the description of X4, because Stingray's description is rather vague and can be confused with the original Dauphin lines.



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Veteran Member - Level 3

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Date: Jun 27, 2015
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I think now the X4 entry can be split into two sections, one for the original X3 successor and another for the H160.



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Date: Jun 28, 2015
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Done.



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Date: Jun 30, 2015
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Pepper wrote:

I think now the X4 entry can be split into two sections, one for the original X3 successor and another for the H160.


 As I said before the X4 and its relationship with th US patent drawing is yet to be confirmed. It could've been an early X3 design study for all we know.



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Date: Jul 1, 2015
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You might be right about it being an early design study. If you look at the patent for the supposed X4, it was filed in 2011, while there appears to be another patent filed domestically the next year, bearing closer similarity with the X3.

https://docs.google.com/viewer?url=patentimages.storage.googleapis.com/pdfs/US8070089.pdf

https://docs.google.com/viewer?url=patentimages.storage.googleapis.com/pdfs/e4dc92e982873f17a0a7/EP2690011A1.pdf



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Posts: 1327
Date: Jul 7, 2015
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Patent filing dates shouldnt be references for desgn chronology. Let's just agree that until we get more facts from the source itself nothing is certain yet. :P



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