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A nuclear version would not have been competitive - they were very special purpose vehicles; after the DEW line heavy lift helicopters became available and made

A nuclear version would not have been competitive - they were very special purpose vehicles; after the DEW line heavy lift helicopters became available and made them obsolete.

_carbyau_ 4y ago
Then we need nuclear helicopters clearly! Only half kidding - as I expect that would've been floated at the time.
- robonerd 4y ago
  They put some serious effort into making a nuclear powered airplane, but the reactor + shielding (for the crew) weighed too much.