Jun 112017

An old (1962 or before) piece of concept art from Kaman illustrating their “ROMAR,” a helicopter meant for Mars exploration. It appears to be powered by rotortip rockets, a decent enough approach for this sort of thing. However, this was before Mariner mars ’64, when the understood density of the Martian atmosphere dropped by more than a factor of ten. As a result, a helicopter like this would need to be made fabulously low-weight in order to fly, something improbable given the needs of a manned vehicle.

 Posted by at 7:42 pm

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