Questions tagged [mechanical]
The mechanical tag has no usage guidance.
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How can I make a needle to turn slowly CW to the final position, then return quickly CCW back to the initial position and to start again turning CW?
What I want is after the needle reaches 60 it should go back to 0 in the way showed in the image
The mechanism should preferably be based on gears which convert a steady continuous rotation to the ...
4
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2
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What is Saint Venant Principle?
I am having problem with the application of Saint Venant principle.I have heard that quite often we use that knowingly or unknowingly.I would be very greatful to anyone who would explain this very ...
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Torque and RPM calc
started by designing the gear meshing, and now I need to calculate some parameters to determinate if this meshing works for me.
The system considers an electric motor, which technical parameters are: ...
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Why would anyone "pull the stem out and stop the wristwatch at night or when not wearing it" in the context of mechanical watches?
I read this the other day while discussing mechanical pocket and wrist watches:
Plus it is common practice to pull the stem out and stop the wristwatch at night or when not wearing it. You then have ...
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How much force/torque act on a wheel of a vehicle when vehicle moves a constant speed and suddenly got a bump or jerk?
I am working on disturbance rejection technique in a vehicle of a wheel. Suppose our vehicle moves with a constant speed 15 km/h. Since roads are uneven in nature, suddenly vehicle got a bump or jerk. ...
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Hydraulic Brakes - Why motorcycle brakes more powerful than bicycle brakes?
I was wondering why motorcycle brakes have so much more stopping power than bicycle hydraulic brakes (Than can be found on mountain bikes for example).
The rotor has a bigger size which gives better ...
0
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2
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976
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How can I understand shear flow in a beam cross section?
I am trying to understand shear flow and I am just not getting it. For example, one of the problems in Beer has an I-beam and there is both a horizontal and vertical force acting on it. So it has ...
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What will the reaction forces of a support be in case of an angled cable
If a cable is attached to a support on each side, and there is a load acting on it somewhere along its length.
Is there going to be a vertical reaction force only if the the cable is angled?
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Simple Thermal Analysis for sealed Aluminum box with 3.7 Watts of heat generation internally
I am looking for a starting back of the envelope calculation to determine if an aluminum box with just free convection can dissipate 3.7W of internal heat generation or if I need to think about adding ...
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How can (many) mechanical watches keep track of the current day of the month when these vary so much over months and years?
Having dealt with dates and time in programming context for many years, I have realized what a nightmare our common calendars are, and how much they vary by the year/month/etc.
Yet there are fully ...
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