問題一覧
1
The forces causes the hartzell constant speed propeller blade to rotates to high pitch position
by feather spring and counterweight force
2
The advantage of Metal propeller over wood propeller
is more durability.
3
The most widely used types of propellers in aviation is
aluminum alloy propellers
4
The first popular controllable pitch propeller where hydraulically actuated by
engine oil
5
Wooden propeller disadvantages
easily damaged and difficult to repair .
6
the type propeller shaft that normally used to install a fixed pitch metal propeller
Is Flange propeller shaft
7
Metal at the tip and along the leading edge of a wooden propeller
for protection reason
8
Steel propellers are normally of
hollow construction helps to reduce weight.
9
the propeller moved to fine pitch by
engine oil
10
In an under speed condition the blade are turned to
fine pitch
11
The purpose of Small holes drilled into each blade tip
for moisture drainage
12
Wood propeller is constructed from
a number of separate layers
13
The centrifugal flyweight mechanism is used with
constant speed propeller and houses inside a separate propeller governor.
14
Propeller blade Counterweights
counteracting the CTM of the blade
15
Ground adjustable propeller hub is usually
made of two piece steel construction with clamps
16
Variable Pitch Propeller
can change the blade angle during flight
17
Front and Rear Cones are used to
centralize a hub on the crankshaft.
18
Blade flat surface is known as
blade face or thrust face.
19
Two position propeller uses
low pitch for takeoff and climb and high pitch for cruise
20
spinner aerodynamic function which is
streamlining the engine installation and directing cool air into the openings in the cowling
21
The Propeller Blade strength and Stiffness are determined by
blade material, diameter and orientation.
22
The purpose of a foam core in the a composite propeller is to
reduce vibration.
23
The spinner bulkhead used to hold spinner in place
it installed between propeller shaft flange and propeller.
24
The cuff is designed primarily to
increase the flow of cooling air to the engine nacelle
25
can change the blade angle during flight
inside the propeller hub.
26
In counterweight propeller what is used to make the propeller move to higher pitch
centrifugal force acting on counterweight .