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AVIATION FLOATS > TAA Tech Info DHC-2 Beaver > Flashcards

TAA Tech Info DHC-2 Beaver Flashcards

1
Q

Ailerons

A

Droop with flaps. No in-cockpit trim control

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2
Q

Flaps

A

Slotted, hydraulically pumped up/down

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3
Q

Elevator and Rudder

A

Conventional with trim tabs

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4
Q

Fuel Tank/s

Capacity

A

TIP TANKS 80lt ea NO GAUGE fed via TRANSFER VALVE to front tank ONLY
FRONT 132lt
CENTRE 128lt
REAR 80lt

500lt or 340lt + 160lt tip tanks

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5
Q

Wobble Pump

A

Manually increases fuel pressure for start or emergency, raising it to 5psi.

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6
Q

Engine

A 
Pratt & Whitney
"Wasp Junior SB" (higher compression ratio)
R985 (985 Cu Inch / 16lt approx displacement
Air Cooled (no cowls or shutters)
9-cylinder
Supercharged
Radial
Piston Engine
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7
Q

Rated

A 
400 bhp (METO) at 5000'
450 bhp at takeoff power
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8
Q

Propeller

A

It drives a Hartzell 3 Blade constant speed propeller

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9
Q

Vne

A

Never Exceed Speed

157kts

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10
Q

Vno

A

Normal Operating Speed

126kts

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11
Q

Va

A

Manoeuvre Speed

109kts

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12
Q

Vx

A

Max Angle of Climb Speed

70kts

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13
Q

Vy

A

Max Rate of Climb Speed

83kts

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14
Q

Vfe

A

Max Flap Extension Speed

91kts

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15
Q

Vs0

A

Stall Speed, Landing Flap

39kts

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16
Q

Vs1

A

Stall Seed, Flaps Up

52kts

17
Q

Vmax x/w

A

Max Crosswind

9kts

18
Q

Vglide

A

Best Glide Speed, Clean or Cruise Flap

80kts

19
Q

G Limits

A

+ 3.5

  • 1.5
20
Q

SuperCharger

A

Centrifugal forces via impeller compress air prior to entry into piston canister. This higher air density improves performance. Beware overboost at sea level/low altitude watch MAP.
SUPERCHARGER
therefore open throttle gradually to avoid OVERBOOST.
5seconds taxi to takeoff, allows excess MAPs therefore manually limit to 36.5” OR cylinder damage. OBSERVE LIMIT. EVEN IN AN EMERGENCY NEVER STRAIGHT BALLS TO THE WALL. 1” per 30seconds.

21
Q

Engine Cooling

A

AIR-COOLED NO COWLS/SHUTTERS

to control therefore manage CHT with power. Beware shock or excessive cooling. Metered descent

21
Q

Crankshaft and Prop direction

A

Clockwise

22
Q

Supercharger Type

A

Engine-driven single-stage centrifugal type

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