Bystander's latest activity
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Bystander reacted to berkeman's post in the thread Expansion or compression -- which is more energy efficient? with
Like.
Yes. He has a long history here of posting about PMMs and Over-Unity mechanisms, even though he usually would not admit it. His... -
Bystander replied to the thread Undergrad Water ripples project help please.Waves and Beaches: The Dynamics of the Ocean Surface Book by Willard Bascom Waves and Beaches: The Dynamics of the Ocean Surface by...
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Bystander reacted to Chestermiller's post in the thread Expansion or compression -- which is more energy efficient? with
Agree.
What do you mean by the term "cooling can be generated," and are you saying that this broad statement has no constraints? For example... -
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Bystander reacted to jrmichler's post in the thread Torque to turn a large Beam on a Rotisserie with Agree.
BTDT, so I'm speaking from experience. You need a sufficient safety factor in the torque calculation. I suggest calculating torque...
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Bystander reacted to berkeman's post in the thread Torque to turn a large Beam on a Rotisserie with Agree.
4225kg or 4225N? What kind of bearings? What friction numbers are we talking about from the bearings? What will you use to hold/clamp...
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Bystander reacted to Baluncore's post in the thread Torque to turn a large Beam on a Rotisserie with Agree.
Welcome to PF. Torque is needed for two separate reasons. One is to overcome the 3.25 mm eccentricity of the mounted beam, the other...
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Bystander reacted to berkeman's post in the thread Automotive Continuously Variable Transmission Idea with Agree.
I'm seeing straight-cut gears and differentials, but I'm not seeing anything that would imply continuous variability of the input/output...
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Bystander reacted to Andy Resnick's post in the thread The Secrets of Prof. Verschure's Rosetta Stones with Agree.
Altered tinguaite/rhomb porphyry (foid-bearing alkali-feldspar trachyte, QAPF zone 6b), Fen complex. Classified as trachyte due to lack...
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Bystander reacted to berkeman's post in the thread High School Theory on universe expansion with Like.
Thread will remain closed. @JackFmultiverse -- Please check your DMs.
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Bystander reacted to WernerQH's post in the thread Undergrad What physical quantity has dimension [ML⁻³T⁻²] in electromagnetism? with
Informative.
There is some arbitrariness about dimensions. The Gaussian system has only three, but it is a mix of the electrostatic (esu) and... -
Bystander reacted to DaveC426913's post in the thread High School Uniform thermal expansion of metals with Agree.
That's gotta be it. I drew some diagrams for them. Let em chew on those. The real takeaway here is: don't argue with people on social...
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Bystander reacted to berkeman's post in the thread High School Uniform thermal expansion of metals with Agree.
No, no, no. The thread question is valid and comes up all the time. :smile:
