Machine Dynamics: Manual Air Pump Calculation (please check my answer)

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SUMMARY

The discussion revolves around the calculation of manual air pump dynamics, specifically addressing the velocity of point C in relation to line CO. Participants express confusion regarding the interpretation of steady velocity, debating whether it should be considered as a tangential speed or linear velocity. The conversation highlights the necessity for clear working documentation as per forum rules, with a suggestion that the solution may rely on scale drawing measurements rather than algebraic methods. The need for clearer visual aids and detailed calculations is emphasized for effective problem-solving.

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  • Understanding of basic mechanics and dynamics principles
  • Familiarity with vector analysis in physics
  • Knowledge of velocity diagrams and their applications
  • Experience with scale drawing techniques for problem-solving
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  • Research "Vector Analysis in Mechanics" to deepen understanding of velocity components
  • Study "Velocity Diagrams in Mechanical Systems" for practical applications
  • Learn about "Scale Drawing Techniques for Engineering Problems" to improve visualization skills
  • Explore "Manual Air Pump Dynamics" for specific calculations and methodologies
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Mechanical engineers, physics students, and anyone involved in dynamics calculations or manual pump design will benefit from this discussion.

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mentor note: moved from ME forum hence no HW template.

Summary:: I am stuck into this problem for almost a week now. I think I solved it, but it seems something is wrong. Can someone point me, what is wrong here. It'll be so much helpful.

I am stuck into this problem for almost a week now. I think I solved it, but it seems something is wrong. Can someone point me, what is wrong here. It'll be so much helpful.
question.JPG


answer.JPG
 
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The image is a bit too fuzzy for me to read. Please type in your working, as required by the forum rules.
 
Should we assume that the mentioned steady velocity of point C is a vector always perpendicular to CO?
 
Lnewqban said:
Should we assume that the mentioned steady velocity of point C is a vector always perpendicular to CO?
I assumed it meant a steady tangential speed, not linear velocity.
I haven't come across this velocity diagram technique before. As far as I can make out, the solution is obtained by measurements from a scale drawing, not by algebra.
 
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Thank you, haruspex.
I hope the OP can soon show us his work more clearly.
 

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