# Jeff Scott # IAI Pioneer # single piston engine unmanned aircraft (UAV) # This model was generated from wind tunnel tests done on a full # scale model of the Pioneer UAV. This version of the Pioneer # utilizes stability derivatives (all constants). Data is taken from # Bray, Robert M. A Wind Tunnel Investigation of the Pioneer # Remotely Piloted Vehicle. Montery, CA: Naval # Postgraduate School, June 1991. # Selig, Michael S. Pioneer aircraft notes. # 01-25-2000 file creation # 03-23-2000 corrected sign error on Cn_r init Dz_cg 2.5 # [ft] geometry bw 16.90 # [ft] Bray pg 31 geometry cbar 1.80 # [ft] Bray pg 31 geometry Sw 30.42 # [ft^2] Bray pg 31 #geometry iw 3 # [deg] Bray pg 31 #geometry bh 6.07 # [ft] Bray pg 31 #geometry ch 1.0 # [ft] Bray pg 31 #geometry Sh 6.07 # [sq-ft] Bray pg 31 #geometry ih -3 # [deg] Bray pg 31 #geometry bv 2.17 # [ft] Bray pg 31 #geometry cv 6.07 # [ft] Bray pg 31 #geometry Sv 2.17 # [ft^2] Bray pg 31 controlSurface de 20 20 # [deg] Bray pg 31 controlSurface da 20 20 # [deg] Bray pg 31 controlSurface dr 20 20 # [deg] Bray pg 31 mass Weight 420 # [lb] Bray pg 33 mass I_xx 34.832 # [slug-ft^2] IAI, MSS notes mass I_yy 67.08 # [slug-ft^2] IAI, MSS notes mass I_zz 82.22 # [slug-ft^2] IAI, MSS notes mass I_xz -4.902 # [slug-ft^2] IAI, MSS notes # aircraft specs: 27 hp # ~100 lb static thrust engine simpleSingle 100 # [lb] guess CL CLo 0.385 # [] Bray pg 33 CL CL_a 4.78 # [/rad] Bray pg 33 CL CL_adot 2.42 # [/rad] Bray pg 33 CL CL_q 8.05 # [/rad] Bray pg 33 CL CL_de 0.401 # [/rad] Bray pg 33 #CL CLfa CLfa.dat 0 1 # Bray pg 50, Table 4.7 #CL CLfade CLfade.dat 0 1 1 # Bray pg 41, Table 4.4 CD CDo 0.060 # [] Bray pg 33 CD CD_a 0.430 # [/rad] Bray pg 33 CD CD_de 0.0180 # [/rad] Bray pg 33 #CD CDfa Cdfa.dat 0 1 # Bray pg 50, Table 4.7 #CD CDfade CDfade.dat 0 1 1 # Bray pg 45, Table 4.6 Cm Cmo 0.194 # [] Bray pg 33 Cm Cm_a -2.12 # [/rad] Bray pg 33 Cm Cm_adot -11.0 # [/rad] Bray pg 33 Cm Cm_q -36.6 # [/rad] Bray pg 33 Cm Cm_de -1.76 # [/rad] Bray pg 33 #Cm Cmfade Cmfade.dat 0 1 1 # Bray pg 34, Figure 4.2 CY CY_beta -0.819 # [/rad] Bray pg 33 #CY CY_p # [/rad] no data #CY CY_r # [/rad] no data #CY CY_da # [/rad] no data CY CY_dr 0.191 # [/rad] Bray pg 33 #CY CYfada # [] no data #CY CYfbetadr CYfbetadr.dat 0 1 1 # [] Bray pg 62, Figure 4.19 Cl Cl_beta -0.023 # [/rad] Bray pg 33 Cl Cl_p -0.450 # [/rad] Bray pg 33 Cl Cl_r 0.265 # [/rad] Bray pg 33 Cl Cl_da -0.161 # [/rad] Bray pg 33 (sign reversed) Cl Cl_dr -0.00229 # [/rad] Bray pg 33 #Cl Clfada Clfada.dat 0 1 1 # Bray pg 58, Table 4.8 Cn Cn_beta 0.109 # [/rad] Bray pg 33 Cn Cn_p -0.110 # [/rad] Bray pg 33 Cn Cn_r -0.200 # [/rad] Bray pg 33 Cn Cn_da 0.0200 # [/rad] Bray pg 33 (sign reversed) Cn Cn_dr -0.0917 # [/rad] Bray pg 33 #Cn Cnfada Cnfada.dat 0 1 1 # Bray pg 61, Table 4.9 #Cn Cnfbetadr Cnfbetadr.dat 0 1 1 # Bray pg 63, Figure 4.20