5-51. The engine of the helicopter is delivering 600 hpto the rotor shaft AB when the blade is rotating at1200 rev/min. Determine to the nearest in. the diameterof the shaft AB if the allowable shear stress is Tallow = 8 ksiand the vibrations limit the angle of twist of the shaft to0.05 rad. The shaft is 2 ft long and made from L2 steel.B.

Answered: Image /qna-images/answer/5e0d2b86-0020-4262-84ee-1b7de49790fc.jpg

-51. The engine of the helicopter is delivering 600 hp o the rotor shaft AB when the blade is rotating at 200 rev/min. Determine to the nearest in. the diameter f the shaft AB if the allowable shear stress is 7allow = 8 ksi nd the vibrations limit the angle of twist of the shaft to .05 rad. The shaft is 2 ft long and made from L2 steel. `B

-51. The engine of the helicopter is delivering 600 hp o the rotor shaft AB when the blade is rotating at 200 rev/min. Determine to the nearest in. the diameter f the shaft AB if the allowable shear stress is 7allow = 8 ksi nd the vibrations limit the angle of twist of the shaft to .05 rad. The shaft is 2 ft long and made from L2 steel. `B

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

The turbine develops 150 kW of power, which is transmitted to the gears such that C receives 70% and D receives 30%. If the rotation of the 100-mm-diameter A-36 steel shaft is v = 800 rev>min., determine the absolute maximum shear stress in the shaft and the angle of twist of end E of the shaft relative to B. The journal bearing at E allows the shaft to turn freely about its axis.
The rotating flywheel-and-shaft, when brought to a sudden stop at D, begins to oscillate clockwise-counterclockwise such that a point A on the outer edge of the flywheel is displaced through a 6-mm arc. Determine the maximum shear stress developed in the tubular A-36 steel shaft due to this oscillation. The shaft has an inner diameter of 24 mm and an outer diameter of 32 mm. The bearings at B and C allow the shaft to rotate freely, whereas the support at D holds the shaft fixed.
The turbine develops 300 kW of power, which is transmitted to the gears such that both B and C receive an equal amount. If the rotation of the 100-mm-diameter A992 steel shaft is v = 600 rev>min., determine the absolute maximum shear stress in the shaft and the rotation of end D of the shaft relative to A. The journal bearing at D allows the shaft to turn freely about its axis.
3. Motor A develops a power of 2.5 HP and has an attached pulley that rotates at 90 rev/min. Determinethe diameters of the steel shafts located on the pulleys at A and B3 if the allowable shear stress isperm = 15 ksi
the solid steel sheft DF has a diameter of 25 mm and is supported by smooth bearings at D and E. It is coupled to a motor at F. which delivers 12kw of bower to the shift while turning at 50 rev/s if gears A ,B and C remove 3kw,4kw,5kw respectively . determine the maximum shear stress developed in the shift within Regions CF and BC. the shaft is free to turn in its support bearings D and F
Q: Part A: Determine the absolute maximum shear stress in the shaft. Part B: Determine the angle of twist of end EE of the shaft relative to BB. Given: The turbine develops 150 kW of power, which is transmitted to the gears such that CC receives 70% and DD receives 30%. The rotation of the 100-mm diameter A-36 steel shaft is ωomega = 600 rev/min . The journal bearing at EE allows the shaft to turn freely about its axis. The shear modulus of elasticity for A-36 steel is 75 GPa.
The engine of the helicopter is delivering 600 hp to the rotorshaft when the blade is rotating at 1200 rpm. Determine to thenearest 1/8 in the diameter of the shaft is the allowable shearstress is 10.5 ksi and the vibration limits the angle of twist ofthe shaft to 0.05 rad. The shaft is 2 ft long and made fromsteel.
If the 20-mm-diameter rod is made of A-36 steel and the stiffness of the spring is k = 50 MN>m, determine the displacement of end A when the 60-kN force is applied.
The A-36 steel bolt is tightened within a hole so that the reactive torque on the shank AB can be expressed by the equation t = (kx2) N # m>m, where x is in meters. If a torque of T = 50 N # m is applied to the bolt head, determine the constant k and the amount of twist in the 50-mm length of the shank. Assume the shank has a constant radius of 4 mm.
The motor produces a torque of T = 20 N # m on gear A. If gear C is suddenly locked so it does not turn, yet B can freely turn, determine the angle of twist of F with respect to E and F with respect to D of the L2-steel shaft, which hasan inner diameter of 30 mm and an outer diameter of 50 mm. Also, calculate the absolute maximum shear stress in the shaft. The shaft is supported on journal bearings at G at H.
The solid steel shaft AC has a diameter of 25 mm and is supported by smooth bearings at D and E. It is coupled to a motor at C, which delivers 3 kW of power to the shaft while it is turning at 50 rev>s. If gears A and B remove1 kW and 2 kW, respectively, determine the maximum shear stress in the shaft within regions AB and BC. The shaft is free to turn in its support bearings D and E.
The 6-hp reducer motor can turn at 1200 rev>min. If the shaft has a diameter of 5 8 in., determine the maximum shear stress in the shaft.