The overhung crank of an engine having a cylinder diameter of 250 mm and stroke 400 mm. The connecting rod is 5 times the crank, the maximum explosion pressure in the cyl- inder is 1.7 MPa and engine runs at 200 r.p.m. Assuming a suitable stress for the material design the overhung crank. Also calculate the maximum stress in the crank arm when the crank is at 30° to the I.D.C position and the gas pressure is 0.8 MPa. Take modulus of sec- tion for rectangular section as 0.269 bt².

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The overhung crank of an engine having a
cylinder diameter of 250 mm and stroke 400
mm. The connecting rod is 5 times the crank,
the maximum explosion pressure in the cyl-
inder is 1.7 MPa and engine runs at 200 r.p.m.
Assuming a suitable stress for the material
design the overhung crank. Also calculate the
maximum stress in the crank arm when the
crank is at 30° to the I.D.C position and the
gas pressure is 0.8 MPa. Take modulųs of sec-
tion for rectangular section as 0.269 bt².
Transcribed Image Text:The overhung crank of an engine having a cylinder diameter of 250 mm and stroke 400 mm. The connecting rod is 5 times the crank, the maximum explosion pressure in the cyl- inder is 1.7 MPa and engine runs at 200 r.p.m. Assuming a suitable stress for the material design the overhung crank. Also calculate the maximum stress in the crank arm when the crank is at 30° to the I.D.C position and the gas pressure is 0.8 MPa. Take modulųs of sec- tion for rectangular section as 0.269 bt².
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