Lnewqban's latest activity
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Lnewqban replied to the thread Piston pumps versus internal gear pumps for modern engines.Yes, you could, but its reciprocating mechanism would increase complexity and cost, number of failure points, and vibrations at high... -
Lnewqban reacted to johnthekid's post in the thread Piston suction pump versus external gear pump as vacuum pump with
Like.
Thank you so much. -
Lnewqban replied to the thread Paul Hinds has passed.Robert, My sincere sympathy to you and your family at this sad moment. I have enjoyed learning Physics from the many contributions of...
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Thank you for the update Robert, and I'm very sorry for the loss to you and your family. Paul was an amazing member here, with many...
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Lnewqban replied to the thread Four L-shaped members: Mechanical Analysis Problem.@jojosg I would like to clarify that each of these L-shaped members work very differently than the members of a truss (like the one in...
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Lnewqban replied to the thread Piston suction pump versus external gear pump as vacuum pump.Gear pumps are normally used for liquids only. Please, see: https://en.wikipedia.org/wiki/Vacuum_pump...
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@jojosg, there are a number of issues, so it's complicated to explain. But here is an attempt... I've written some of your equations...
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The way you've marked the 'cut' in your Post #3 diagram suggests that you may have misunderstood the method of sections. A suitable...
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Lnewqban replied to the thread Four L-shaped members: Mechanical Analysis Problem.Reconsider Gx.
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Lnewqban replied to the thread Truss analysis problem.Please, see: https://mathalino.com/reviewer/engineering-mechanics/method-sections-analysis-simple-trusses...
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Lnewqban replied to the thread Four L-shaped members: Mechanical Analysis Problem.What matters is the perpendicular distance between the pivot and the force. That distance is zero for force Bx. For force Ex is ...
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Lnewqban replied to the thread Four L-shaped members: Mechanical Analysis Problem.Why are Bx and Ex being multiplied by 2a?
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Lnewqban replied to the thread Truss analysis problem.In order not to have any movement or displacement in this system, the effects of both applied forces must be counteracted by those two...
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Lnewqban reacted to berkeman's post in the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid with Like.
This thread means nothing without a cute picture of your hedgehog. :smile:
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Lnewqban replied to the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid.Could you please describe that enclosure? The animal breathing is a source of humidity. Exhaled warm air eventually cools down and...