Piper Twin Comanche B User guide

PIPER

TWIN

COMANCHE

OWNER’'S

HANDBOOK

Piper

Aircraft

Corporation,

Lock

Haven,

Pa.

U.S.

NOTICE

THIS

HANDBOOK

NOT

DESIGNED,

NOR

CAN

ANY

HANDBOOK

SERVE,

SUBSTITUTE

FOR

ADEQUATE

AND

COMPETENT

FLIGHT

INSTRUCTION,

KNOWLEDGE

THE

CURRENT

AIRWORTHINESS

DIRECTIVES,

THE

APPLICABLE

FEDERAL

AIR

REGULATIONS,

AND

ADVISORY

CIRCULARS.

NOT

INTENDED

TOo

GUIDE

BASIC

FLIGHT

INSTRUCTION,

NOR

TRAINING

MANUAL.

THE

HANDBOOK

DESIGNED:

HELP

YOU

OPERATE

YOUR

TWIN

COMANCHE

WITH

SAFETY

AND

CONFIDENCE.

FULLY

ACQUAINT

YOU

WITH

THE

BASIC

PERFORMANCE

AND

HANDLING

CHARACTERISTICS

THE

AIRPLANE.

FULLY

EXPLAIN

YOUR

TWIN

COMANCHE'’S

OPERATION

THAN

PERMISSIBLE

SET

FORTH

THE

AIRPLANE

FLIGHT

MANUAL.

THERE

ANY

INCONSISTENCY

BETWEEN

THIS

HANDBOOK

AND

THE

AIRPLANE

FLIGHT

MANUAL

APPROVED

THE

F.A.A,

THE

AIRPLANE

FLIGHT

MANUAL

SHALL

GOVERN.

Revised

text

and

illustrations

shall

indicated

black

vertical

line

the

margin

opposite

the

change.

Additional

copies

this

manual,

Part

No.

753

697,

may

obtained

from

your

Piper

Dealer.

Published

PUBLICATIONS

DEPARTMENT

Piper

Aircraft

Corporation

753

697

Issued:

August1965

Revised:

October

1973

SECTION

SPECIFICATIONS

Performance

Weights

Power

Plant

Fuel

and

Oil

Baggage

Area

Dimensions

Landing

Gear.

TWIN

COMANCHE

‘‘B”

SECTION

SPECIFICATIONS

PERFORMANCE

Performance

figures

are

for

airplanes

equipped

for

cross-

country

transportation

and

flown

gross

weight

under

standard

conditions

sea

level

stated

altitude.

Any

changes

equip-

ment

may

result

changes

performance.

Take-off

Run

(short

field,

ft)

1250

Take-off

Distance

Over

50-ft

Barrier

(ft)

2160

Vmc

(mph)

(as

determined

the

F.A.A.)

Stalling

Speed

(gear

and flaps

down,

power

off,

mph)

Stalling

Speed

(gear

and

flaps

up,

power

off,

mph)

Best

Rate

Climb

(ft

per

min)

1460

Best

Rate

Climb

Speed

(mph)

112

Best

Angle

Climb

Speed

(mph)

Single

Engine

Rate

Climb

(ft

per

min)

260

Best

Single

Engine

Rate

Climb

Speed

(mph)

105

Absolute

Ceiling

(ft)

20,000

Service

Ceiling

(ft)

18,600

Single

Engine

Absolute

Ceiling

(ft)

7,100

Single

Engine

Service

Ceiling

(ft)

5,800

Altitude

Cruising

Speeds

(mph)

Top

Speed

(mph)

205

Cruising

Speed

(75%

power

sea

level)

(mph)

181

Cruising

Speed

(75%

power

8,000)

(mph)

194

Optimum

Cruising

Speed

(65%

power

12,000)

186

(mph)

700313

SECTION

TWIN

COMANCHE

“‘p’

SPECIFICATIONS

(cont):

PERFORMANCE

Fuel

Consumption

(75%

power)

(gph)

(both

engines)

17.2

Fuel

Consumption

(65%

power)

(gph)

(both

engines)

15.2

Cruising

Range

(75%

power

8,000

ft)

(mi)

048

Cruising

Range

(65%

power

12,000

ft)

(mi)

1025

Cruising

Range

(45%

power

16,000

ft)

(mi)

1116

gal.

usable

fuel

Landing

Roll

(short

field,

flaps

down,

ft)

700

Landing

Over

50-ft

Barrier

(flaps

down,

ft)

2100

WEIGHTS

Gross

Weight

(lbs)

3600

Empty

Weight

(Standard)

(Ibs)

2207

USEFUL

LOAD

(Standard)

(1bs)

1393

These

weights

are

approximate.

710310

TWIN

COMANCHE

‘‘B”’

SECTION

SPECIFICATIONS

(cont):

POWER

PLANT

Engine

Lycoming

10-320-B

Rated

Horsepower

160

Rated

Speed

(rpm)

2700

Bore

(in.)

5.125

Stroke

(in.)

3.875

Displacement

(cubic

in.)

319.8

Compression

Ratio

8.5:1

Dry

Weight

(Ibs)

295

FUEL

AND

OIL

Fuel

Capacity

(U.S.

gal)

Unusable

fuel

(inboard

tanks

only)

Fuel,

Aviation

Grade

(minimum

octane)

91/96

0il

Capacity

(qts)

(each

engine)

BAGGAGE

AREA

Maximum

Baggage

(lbs)

250

Baggage

Space

(cubic

ft)

Baggage

Door

Size

(in.)

700313

SECTION

TWIN

COMANCHE

“‘B’"

SPECIFICATIONS

(cont):

DIMENSIONS

Wing

Span

(ft)

Wing

Area

(sq

ft)

178

Length

(ft)

25,2

Height

(ft)

8.2

Wing

(lbs

per

ft)

20.2

Power

(Ibs

per

hp)

11.3

Propeller

Diameter

(in.)

LANDING

GEAR

Wheel

Base

(ft)

7.3

Wheel

Tread

(ft)

9.8

Tire

Pressure

(psi)

Nose

Main

Tire

Size

Nose

(six-ply

rating)

6.00

x 6

Main

(six-ply

tating)

6.00x

700313

SECTION

TWIN

COMANCHE

“‘B”’

700313

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