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Piper PA-39 Twin Comanche

piper-pa39
PA-39 Twin Comanche CR

 

Piper announced the end of PA-30 production in 1970 and introduced a new PA-39 line. Basically a PA30, the PA-39 featured contra-rotating engines and a slight modification to the wings.
 
Three models were available:
 
Standard Model
 
Custom
As Standard Model, with Piper Truespeed Indicator, vacuum system with dual engine driven vacuum pumps (dry), dual vacuum gauge, dual 70A engine driven alternators, heated pitot tube and full flow oil filters.
Advanced instrument panel with 3in pictorial gyro horizon, 3in directional gyro, rate of climb indicator, OAT guage, gyro air filter, inrtial shoulder harness for two front seats, Piper pictorial turn rate indicator + 47 lb.
 
Sportsman
As Custom Model, with Piper External Power, glare ban instrument lights, fifth & sixth family seats, Palm Beach interior with leather upholstery, four headrests and window curtains + 83 lb.
 
 Piper-PA39-02
 
The 160‑hp Lycoming IO-­320‑B version of the Twin Coman­che was produced in limited numbers, all models were certified under FAA A1EA.
 
Some 155 were built before the 1972 flood at Lock Haven when it was decided not to build any more.
 

Piper-PA39-03

 
PA-39
Engines: 2 x Lycoming IO-320 B1A, 160 hp
Props: Hartzell, Constant speed, full feathering, counter rotating
Wingspan: 35 ft 11 in / 35 ft 9.5 in o/tip tanks
Length: 25 ft 2 in
Height: 8 ft 3 in
Wing area: 178 sq.ft
Tailplane span: 12 ft 6 in
Fuel capacity: 90 USG / 120 USG w/tip tanks
Stall: 69-70 mph
Baggage: 200 lb
Loaded weight: 3725 lb
 
PA-39 C/R
Engines: 2 x Lycoming IO-320 B1A, 160 hp
Props: Hartzell, Constant speed, full feathering, counter rotating
Wingspan: 35 ft 11 in / 35 ft 9.5 in o/tip tanks
Length: 25 ft 2 in
Height: 8 ft 3 in
Wing area: 178 sq.ft
Tailplane span: 12 ft 6 in
Fuel capacity: 90 USG / 120 USG w/tip tanks
Max speed SL: 205 mph
Cruise speed SL eco: 181-188 mph
Cruise speed SL norm: 198 mph
Cruise speed 8000ft: 194 mph
Cruise speed 10,000ft eco: 166 mph
Stall: 69-70 mph
Climb rate: 1460 ft/min
SE Climb rate: 260 ft/min
Service ceiling: 20,000 ft
SE service ceiling: 7100 ft
Takeoff run: 940 ft
Takeoff run to 50ft: 1530 ft
Landing run from 50ft: 1870 ft
Landing run: 700 ft
Range norm: 830 mi
Range eco: 1110 mi
Range max: 1200 mi
Empty weight: 2270 lb
Baggage: 200 lb
Loaded weight: 3725 lb
 
39 Turbo
Cruise 12,000ft: 228 mph
Cruise 12,000ft eco: 186-193 mph
Stall: 69-70 mph
Climb rate: 1290 ft/min
SE Climb rate: 225 ft/min
Service ceiling: 25,000 ft
SE service ceiling: 12,600 ft
Takeoff run: 990 ft
Takeoff run to 50ft: 1590 ft
Landing run from 50ft: 1900 ft
Landing run: 725 ft
Range 12,000ft: 1090 mi
Range 12,000ft eco: 1485 mi
Range 12,000ft max: 1535 mi
Range 24,000ft: 1270 mi
Range 24,000ft eco: 1670 mi
Range 24,000ft max: 1710 mi
Empty weight: 2416 lb
Baggage: 250 lb
Loaded weight: 3725 lb
 
PA-39 B Turbo
Engines: 2 x Lycoming IO-320 B1A, 160 hp
Props: Hartzell, Constant speed, full feathering, counter rotating
Wingspan: 35 ft 11 in
Length: 25 ft 2 in
Height: 8 ft 3 in
Wing area: 178 sq.ft
Tailplane span: 12 ft 6 in
Max speed SL: 240 mph
Service ceiling: 30,000 ft
SE service ceiling: 19,000 ft
Range norm: 1090 mi
Range w/tip tanks: 1360 mi
Empty weight: 2408 lb
Baggage: 250 lb
Loaded weight: 3725 lb

 

 

 

 


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