Piper ArrowWhittney Guthrie

History & PurposeJohn Thorpe designed the Cherokee to compete

with the Cessna 172 (1962)

Arrow came later (1967) to compete with Mooney

Shares an airframe with the Cherokee for economics & students can easily transition into the retractable gear

Base price in 1967: $16,900.00Base price in 2012: $414,900.00

Brief Overview4 passenger, all metal, single engine, low wing

Retractable gear: Tricycle

200 hp IO-360

2 blade constant speed propeller

BEW: 1890lbs | Max takeoff: 2750lbs

FuselageLength: 27’

Width: 3’ 6”

Height: 3’ 11”

Nowhere near the fineness ratio of 3

Single door located on the passenger side

WingSpan: 35’ 5”

Average chord: 4’ 4”

Aspect ratio: 8.23 (Relatively low)

Area: 170 sq. ft

Semi-tapered: Good stall & slow flight

NACA: 652-415

Wing loading: 16.18lbs per sq. ft

EmpennageStandard vertical

stabilizer with rudder

Stabilator: Because of absence of downwash from wings

Anti-servo tab: Prevents over controlling

EngineIO-360: Injected/Opposed/4 cylinder/361 cu. In. (5.9lt.)

200 hp: Doesn’t require a high performance endorsement

Compression ratio: 8.5:1

Air cooled

Direct drive

8qt max/2qt minPower loading: 13.75hp per lb

Landing GearTricycle

Retractable

Held up by hydraulic pressure

But what if it fails? Simple…

References http://www.what2fly.com/secure/planemodels/2821277.jpg

http://www.pilotfriend.com/aircraft%20performance/Piper/17.htm

http://www.piper.com/Company/Publications/SL%200576.pdf

http://www.lycoming.com/images/engine_series_360.jpg

http://www.multiplyleadership.com/tag/aileron/page/2/

http://www.rcgroups.com/forums/showthread.php?t=1209115

http://www.youtube.com/watch?v=lUlV-8MXm4k