Parameter

Symbol

Notes

Mass

m

Including common payloads.

Inertia tensor

I_xx, I_yy, I_zz, I_xy, I_xz, I_yz

Center of gravity

(x_cg, y_cg, z_cg)

Center of tilt

(x_tilt, z_tilt)

Motor position

(x_Mi, y_Mi, z_Mi)

Specify for each engine i.

Front/rear motor plane offset

(Z_off,front, Z_off,rear)

Wingspan

b

Tail rod length

l_tail

Landing gear height

h_ldg

Wing chord

c_root, c_tip

Ctip only if tapered wing.

Sweep angle, dihedral angle

φ, Γ

Thickness

t

Aerodynamic center

(x_AC, y_AC, z_AC)

Wing position

(x_w, y_w, z_w)

Relative to the fuselage.

2D airfoil coefficient plots

C_l, C_d, C_m vs. α

Global aerodynamic coefficient plots

C_L, C_D, C_M vs. α

For validation of the entire aircraft.

Control surfaces

HTP, VTP, ailerons

Same parameters as the wing.

Maximum and minimum deflection

β_max, β_min

For control surfaces.

Motor performance: thrust, speed, current, voltage

T, RPM, I, V vs. pulse width

Tabular or plot data.

Typical cruise speed

V_c

Stall speed

V_s

Transition speed

V_t

Minimum speed to transition from copter to plane mode.

Maximum speed

V_max

Minimum turn radius or standard rate of turn

R_turn, RoT

Tabular aerodynamic coefficients

C_L, C_D, C_Q, C_M, C_LA, C_NA

For various roll, pitch and yaw combinations.

Propeller radius

R

Used for ground effect estimation.