Unknown heavy jet-tip rotor helicopter

hesham

hesham

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Hi,


I found in this DTIC report,this drawing to a heavy jet-tip rotor helicopter
design,they said 2501 or Z501,what was this ?.


Please note,all aircraft around it are well known.
 

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hesham said:
Hi,


I found in this DTIC report,this drawing to a heavy jet-tip rotor helicopter
design,they said 2501 or Z501,what was this ?.


Please note,all aircraft around it are well known.
Click to expand...

Totally pointless to start a new topic for this. I thought I had made that clear before, hesham.
Future new topics like this one will be locked and removed!

This picture just says 250 t... which means 250 tons.
 

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