posted on Jun, 17 2017 @ 12:58 AM
a reply to: Zaphod58
There is a reason in that we know what atmospheric density is , we can guess at SOFTA's weight and we know the weight to surface area and required air
speed throughput calcs for rotors to achieve VTOL.
The sweet spot becomes less so at increased weights as the air throughout has to speed up (where power source weight becomes an issue) or rotor size
has to increase.
Now I'm not saying you couldn't do it with enough time and money but where do you draw the line when "stealthing" battlefield tested conventional
helos/tilts is also an option
Also, when you are on a mission to Boss Fight OBL with 30 mill dollars worth of seal team 6 onboard - why use (risky) helos if a scaled up Various is