|
Payload
weight
|
|
Kg
|
INPUT
|
|
|
|
|
|
|
Range
|
|
Km
|
INPUT
|
|
|
|
|
|
|
take-off weight
|
|
Kg
|
calculated
|
|
|
|
|
|
|
wingspan
|
|
m
|
calculated
|
|
|
|
|
|
|
length
|
|
m
|
calculated
|
|
|
|
|
|
|
cruise speed
|
|
Kph
|
assigned
|
|
|
|
|
|
|
cruise time
|
|
hours
|
calculated
|
|
|
|
|
|
|
Characteristic Distance D
value
|
|
Km
|
INPUT
|
|
|
typically 5,000 < D < 9,000 Km
|
|
|
|
weight of fuel = Wf
|
|
Kg
|
calculated
|
|
|
|
|
|
|
cruise engine power
|
|
KWatts
|
calculated
|
|
|
|
|
|
|
capacity of 4 stroke engine
|
|
cc
|
calculated
|
|
|
|
|
weight of 4 stroke engine
|
|
Kg
|
calculated
|
|
|
|
|
|
|
airframe + avionics weight
|
|
Kg
|
calculated
|
|
|
|
|
estimated price per UAV
|
|
$K [ FY02 ]
|
estimated
|