# Machine Design Question

Consider a simply supported stepped steel shaft carrying two gears weighing 50 and 75 lbs. as depicted in the figure. Use the method of sections, Castigliano’s Theorem, and Rayleigh’s method to calculate the first critical speed of the shaft. The diameters of shafts BD and DE are 1.5 and 1.75 in., respectively. Gear 1 is located at x=4.5 in, whereas gear 2 is located at x= 14 in. The modulus of elasticity psi(E=30x10^6psi)

( 0 comentários ) Amman, Jordan

ID do Projeto: #25427139

## 4 freelancers are bidding on average \$4/hour for this job

ZararAfridi

I am a mechanical engineer and i have a broad understanding of machine design. I have studied book of mechanical design by shigley in details. I think i could help you out.

\$2 USD / hora
(10 Comentários)
2.7
Samce

Hi. I'm an experienced engineering writer with over 10 years of hands-on experience, and would like to help in completing your Hofstede's 5 task. Can we discuss about it?

\$2 USD / hora
(2 Comentários)
0.6
Bilgin143

Hi, I have worked out the answer already. Always happy to help a fellow engineer! Kind Regards, Bilgin

\$8 USD / hora
(0 Comentários)
0.0
bhavinmaheriya42

I m a mechanical engineer I try your question if I solve then I can send you my calculation if right definitely I will send you

\$5 USD / hora
(0 Comentários)
0.0