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WEIGHT & CG ESTIMAT
WITH AAAFuad Surastyo P
23609302
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Komponen Berat Pada Pesawat
WTO
WF
WPL
WTFOWE
Wcrew
Komponen
berat
De
Wcrew Berat crew + b
bawaanya
WF Berat bahan bWPL Berat barang d
fuel yang mam
WE Berat kosong p
WTFO Berat Oli dan F
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Komponen WE
WE
Wstruk
WPwrWfpq
Komp
onen
berat
De
Wstruk Estimasi berat
WPwr Estimasi beratkelengkapanya
Wfpq Estimasi berat
yang ada di p
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Metode u/ Mengestimasi WE
Cessna Method USAF Method
General Dynamic Method
Torenbeek Method
Dilak
Dengan
AA
Referensi lebih lengkap
AIRPLANE DESIGN PART V WEIGHT ESTIMATION BY JAN ROS
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Langkah – langkah Menentukan Posi
Estimasi berat kosong pesawat
Menentukan posisi C.G tiap komponen penyuskosong pesawat (lihat roskam halaman 113 –
Menghitung posisi C.G total saat pesawat koso
(dilakukan dengan bantuan AAA) Membuat skenario masuknya payload,bahan b
dan crew ke dalam pesawat untuk membuat pdiagram
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Contoh Skenario
condition XCG
Position (m)Dalam
%MACempty 1.18419296 13%
Crew in (1 person @ 154lb) 1.230573454 17%
Crew in (1 person @ 154lb) 1.2650292 20%
fuel in (103 lb) LEFT TANK 1.274070053 20%
fuel in (103 lb) RIGHT TANK 1.281784347 21%
cargo in (77,4 lb) 1.263889186 19%
Crew OUT (1 person @ 154lb) 1.236657783 17%
Crew OUT (1 person @ 154lb) 1.202278209 15%
cargo OUT (77,4 lb) 1.220851342 16%
fuel OUT (103 lb) LEFT TANK 1.204423472 15%
fuel OUT (103 lb) LEFT TANK 1.18419296 13%
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Contoh Potato Diagram
800
900
1000
1100
1200
1300
1400
1500
1600
13% 14% 15% 16% 17% 18% 19% 20%
B e r a
t P e s a w a t ( l b )
Pergeseran CG (%MAC)
Potato Diagram
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Tutorial AAA – Studi Kasus Pesawat A
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Tutorial AAA – Studi Kasus Pesawat A
KNama
Pesawat
Jenis
Pesawat
SertifikasiKegunaan
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Tutorial AAA - Configuration
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Tutorial AAA - Configuration
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Tutorial AAA - Certification
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Tutorial AAA – Weight Sizing – Mission P
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Tutorial AAA – Weight Sizing – Mission P
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Tutorial AAA – Weight Sizing – Take Off
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Tutorial AAA – Weight Sizing – Regressio
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Tutorial AAA – Class I Weight
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Tutorial AAA – Class I Weight – Weight F
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Tutorial AAA – Class I Weight – Weight F
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Tutorial AAA – Class I Weight – Weight F
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Tutorial AAA – Class I Weight – Weight F
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Tutorial AAA – Class I Weight – Inertia Es
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Tutorial AAA – Class I Weight – Radii Of Gyr
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Tutorial AAA – Class II Weight
WE
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Tutorial AAA – Class II Weight - Structure
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Tutorial AAA – Class II Weight – Power P
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Tutorial AAA – Class II Weight – Fixed eq
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Tutorial AAA – Class II Weight – Structure - W
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Tutorial AAA – Class II Weight – Total W
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Tutorial AAA – Class II Weight – Weight
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Tutorial AAA – Class II Weight – Center Of G
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Tutorial AAA – Class II Weight – Center Of Gravity – Empty Weig
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Tutorial AAA – Class II Weight – Center Of Gravity – Empty Weig
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Tutorial AAA – Class II Weight – Center Of Gravity – Total C.G
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Saran Untuk Desain Pesawat Latih Sekelas OV-10
Cari pesawat pembanding yang mempunyai MTOW mir
Super Tucano dan Pilatus PC-21 Masukkan data pesawat pembanding ke dalam program
mengetahui estimasi berat tiap komponenya, setelah ituke dalam database weight fraction untuk menambah keaperhitungan program AAA.
Proses design dapat dilakukan dengan cara Modifikasi dsudah ada, seperti penggantian airfoil dan uprated eng
Hitung berat komponen pesawat yang anda design untukmengetahui distribusi massa pesawat.