Question: A steel propeller for a windmill transmits 5 . 4 kW at 4 5 . 7 rpm . If the allowable shear stress in the

A steel propeller for a windmill transmits 5.4 kW at 45.7 rpm . If the
allowable shear stress in the shaft must be limited to 66 MPa , determine
the minimum diameter d required for a solid shaft.
Answer: d=
mm .
A steel propeller for a windmill transmits 5 . 4

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

Q:

STORY: Let us suppose that the average weight of all the 5-axle semi-trucks that drive on Florida highways is 75000 lbs, the standard deviation is 3000 lbs, and 47% of them have red tractor units....

Q:

Current Attempt in Progress An automobile engine supplies power, \ ( P = 2 3 0 \ mathrm { hp } \ ) , at a rotational speed of 3 9 0 0 rpm to a driveshaft. If the allowable shear stress in the...

Q:

4 A cast iron flange coupling needs to be designed for a steel shaft transmitting 1 5 kW at 2 0 0 rpm and having 1 0 an allowable shear stress of 4 0 MPa . The working stress in the bolts gre not to...

Q:

The shaft is made of A992 steel with the allowable shear stress of Ï allow = 75 MPa. If gear B supplies 15 kW of power, while gears A, C and D withdraw 6 kW, 4 kW and 5 kW, respectively,...

Q:

Part A The shaft is made of A 9 9 2 steel and has an allowable shear stress of a l l o w = 7 5 MPa. When the shaft is rotating at 3 9 9 rpm , the motor supplies 8 kW of power, while gears A and B...

Q:

3 3 S # 3 X command E D $ 4 C R F To 45 V T = P G Solution T=TA + TB MacBook Pro Find Tools QShare 6 B Y H & 7 N U J 8 M I e K 9 H O L command O Question 5.12 The shaft is made of A992 steel and has...

Q:

CONFIDENTIAL BDA 1 0 9 0 3 Q 3 Figure Q 3 . 1 shows the motor M transmits power through a 2 0 mm diameter and 2 0 0 mm long shaft. If the shaft rotates at 1 7 5 rpm and the steel has an allowable...

Q:

A machine in the workshop has a spindle that rotates at 4 1 . 8 8 7 9 0 2 r a d s e c when the input power is 2 kW . The spindle is made from 4 5 C 8 carbon steel with a modulus of rigidity of 8 4 k...

Q:

1 A mechanical system requires the design of a two stage gear reduction mechanism driven by a 5 kW electric motor operating at 1440 rpm The system should achieve a total speed reduction of 12 1...

Q:

Problem #1 Given: diagram of slab bridge 25 psf fws asphalt 1 ft 7 in reinforced concrete typical bridge section for information only DL of barrier loading = 0.331 klf DL of slab (1.5835')(0.150 kcf)...

Q:

9. 10. 11. 12. 13. Determine the torque received by the motor shaft running at 4250 rpm, transmitting 11 HP, through a 10 in diameter, 20 involute gear. The shaft is supported by ball bearings at...

Q:

Charles has been approached by a pension company where he will have to contribute a monthly sum so that after 20 years when he will retire, he will have at his disposal a sum of Rs1,800,000. The...

Q:

Joshua Company prepares monthly performance reports for each department. The budgeted amounts of wages for the Finishing Department for the month of August and for the eight-month period ended August...

Q:

Homework eBook Print Item 6 . Algo Exercise 8 - 2 5 ( Algorithmic ) ( LO . 4 ) 9 . Algo On April 5 , 2 0 2 4 , Kinsey places in service a new automobile that cost $ 7 4 , 7 5 0 . He does not elect 1...

Q:

36. Find the positions of the maximum and minimum of the function x3 -3x+3 A) Min. at x=-1, max. at x = +1 B) Min. at x=1/2, max. at x = +1/2 C) Max. at x=-1, min. at x = -1 D) Max. at x=+12, min. at...