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Qaagi - Book of Why

Causes

Effects

usually(passive) is ... causedSecond type propeller shaft vibration

15 - 8 above 50 %may causeincreased shaft vibration

of running frequency ( 1(passive) is ... composedpump shaft vibration

Then it can startcausinga vibration along the prop shaft

flightcould causehigh propeller vibration

of 1.(passive) is ... composedmotor shaft vibration

by either the shaft being bent or , more likely , the flexible coupling at the other end(passive) may ... be caused byheavy shaft vibration

by either the shaft being bent or , more likely , the flexible coupling at the other end(passive) may ... be causedheavy shaft vibration

by either the shaft being bent or , more likely(passive) may ... be causedheavy shaft vibration

by either the shaft being bent or , more likely(passive) may ... be caused byheavy shaft vibration

by cross - coupled forces between the rotor shaft and the annular seal(passive) are caused byrotor shaft vibrations

by cross - coupled forces between the rotor shaft and the annular seal(passive) are causedrotor shaft vibrations

During the passage of lubricant oil into the rotor shaft labyrinth seals , dynamic forces will be generatedwill causeunstable vibration of the rotating shaft

Minimum exciting forcescausingvibrations 4.Materials of propellers

that its Pinion angles causinga drive shaft type vibration

Increased propeller excitation force , induced by improved thrust poweralso leadsto the worse shaft vibration

the vehicle ... the speedcausesthe most vibration in the propeller shaft

the speedcausesthe most vibration in the propeller shaft

by unbalance(passive) caused byrelative shaft vibrations

Failure of this bushingwill causea vibration in the propeller shaft

check outwas causingvibration on our propeller shaft

by propeller operation(passive) caused by Propeller - induced vibration

the first problem(passive) is causedPropeller - induced vibration

incorrectly pitched propeller blades(passive) is ... caused bypropeller induced vibration

inaccuracies in pitch , camber and section shape(passive) can be caused byPropeller induced vibration

Bearing wear ... likelyto causevibration on the shaft

by misalignment angle(passive) caused bythe shaft vibration

by imbalance forces(passive) caused byshaft vibrations

by rotor imbalance(passive) caused byshaft vibration

by the transmission of the moving ring seal ring(passive) caused bythe shaft vibration

extra bearing loadcausesthe vibration of shaft

a big heavy spacerdesignedto minimized shaft vibration

in turnwould ... causea shaft vibration

This rotating cavitationcausesshaft vibration

by hydraulic excitation(passive) was caused bythe shaft vibration

in some casesmight ... causea shaft vibration

This interactioncan causevibration of the shaft

roundresultsin shaft vibration

a moment ... in some casesmight ... causea shaft vibration

the impeller 34causesa shaft vibration

failures of the engine output shaftcausedfailures of the engine output shaft

lip seals to leakwill causelip seals to leak

an itinerary delaycausedan itinerary delay

creates further noisecausescreates further noise

shaft damagecausingshaft damage

to accelerated coupling wear , shaft / bearing damage ... and seal leaks or failureleadsto accelerated coupling wear , shaft / bearing damage ... and seal leaks or failure

to destruction of the machinerycan leadto destruction of the machinery

gearbox bearing and oil seal failurecould have causedgearbox bearing and oil seal failure

of 1.is ... composedof 1.

video(passive) caused byvideo

distorted video(passive) caused bydistorted video

distorted video(passive) caused bydistorted video

other problemscausedother problems

something else to vibrate like the transom deckcausingsomething else to vibrate like the transom deck

extra loading on supporting bearing and sealingcausesextra loading on supporting bearing and sealing

for examplecausedfor example

in better seal liferesultsin better seal life

noise(passive) caused bynoise

to an oil leak via the shaft sealleadto an oil leak via the shaft seal

this leakage(passive) was caused bythis leakage

this leakage(passive) was causedthis leakage

a pain(passive) caused bya pain

it to overheat and break.1causedit to overheat and break.1

to an oil leakleadto an oil leak

in a quieter systemresultingin a quieter system

to the u - joint(s ) wearing outledto the u - joint(s ) wearing out

substantial lateral vibrationcan causesubstantial lateral vibration

a weakening of the wing to engine mountingscauseda weakening of the wing to engine mountings

in severe vibrations and a top speed of only 7 knotsresultedin severe vibrations and a top speed of only 7 knots

a weakening of the wingcauseda weakening of the wing

the vehicle ' s rollmay causethe vehicle ' s roll

to a bearing exit out of operationalso can leadto a bearing exit out of operation

the engine to shakecausedthe engine to shake

the image to jiggle in waves , left to right across the screencausesthe image to jiggle in waves , left to right across the screen

from the engineleadsfrom the engine

the vehicle 's roll over sensor tomay causethe vehicle 's roll over sensor to

this seal to failcausedthis seal to fail

that motor to run slowlycausingthat motor to run slowly

a leakis causinga leak

for installation on tube casedesignedfor installation on tube case

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