Design Requirement

25 deg take off min angle

15 ft/s Vstall

10 min endurance

3G turns

initial takeoff angle after launch?

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200 ft altitude

payload weight

minimize plane weight

fixed wing

10min max assembly time

belly landing

prop accomndation

compatible with the existing control system (Phixhawk and remote controller)

prop accomdation

fuselage needs to be support

removable payload

hand launch

safe for throwers

easy to hold

x

Subsystem requirements

aerodynamcis

Structures

sustain loading imposed during flight

3G max

control surface sizing

Stable flight

CG within reasonable limit

achieve sable flight with satisfactory control authority\

sufficient lift generated by wing

startegy: size the wing for 1.5 lb payload first

1/4 - 1/3 chord length ahead of Cp

need to sustain belly landing

electronics

battery should never go below 50% charge

wing spar inside wing

removable / rechagable

wing

strategy: attaching using rubber band

team organization

budge requirement

electronics must sustain heating/cooling

electronics attachments music sustain heating/cooling

V speeds

v_stall, v_takeoff, v_landing

propulsion

Enough thrust to achieve v-speeds

a propeller compatible for the motor

CFD analyis

Strategy XLFR analysis

General Design Requirements

Fit in the storage box

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Selig high lift low Reynolds airfoil

Reflec airfoil

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