Wednesday, June 25, 2014

初學者的飛機 Diamond DA20

所謂萬丈高樓從地起,機師要駕駛波音,空中巴士等龐然大物之前,皆由小型單螺旋漿飛機學起。

通常飛行學校的初學者飛機包括Diamond DA20,Cessna150,Cessna172,Piper PA-28 Warrior。

在此簡介一下Diamond DA20。Diamond是奧地利著名的飛機製造廠,專門設計輕量小型飛機,在加拿大安大略省有主要製造基地。旗下有不少知名型號,DA20, DA40, DA42均是飛行學校愛用的訓練機。

DA20是一架單螺旋漿飛機,引擎有125匹馬力(hp),尾部呈T-tail設計,亦即機尾的水平穩定翼設在上方,機翼和機身會改變流過的氣流,而高水平穩定翼減少這些氣流的影響,令飛機俯仰(Pitch)更穩定。

和港龍合作的飛行學校CTC Wings (Hamilton),和民航處合作的Eagle Flight Training都有DA-20作為最初學飛機。

AIRCRAFT ITEMINFORMATION
EngineTCM IO-240-B3B
Horsepower125 hp
PropellerSensenich 2-blade fixed pitch
Airworthiness categoryUtility, spin certified
Length23 ft 6 in
Height7 ft 2 in
Wing Span35 ft 8 in
Maximum takeoff weight1,764 lbs
Useful load600 lbs*
Fuel capacity, usable24.0 gal
FuelAVGAS 100LL
Takeoff distance, ground roll1,280 ft
Takeoff distance, 50-foot obstacle1,640 ft
Landing distance, ground roll661 ft
Landing distance, 50-foot obstacle1,360 ft
Rate of climb, sea level1,000 ft/min
Maximum demo operating altitude13,120 ft
Cruise speed at 75%138 ktas/5.5 gal/hr
Stall speed, full flaps45 kcas
Maximum demonstrated crosswind20 kts
Range, 30 minute reserve547 nm

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