Newest Questions
17,290 questions
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Why is crawler track installation on large bulldozers like the Liebherr PR 776 done as a separate process?
I recently filmed the track-installation process for a Liebherr PR 776 crawler bulldozer at the Liebherr factory in Telfs (Austria).
During assembly, the tracks are not pre-mounted to the ...
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calculating shear deflection for a non prismatic beam with overhang
i'm trying to calculate the deflection due to shear for a distributed load across both the main span and overhang. the beam and overhang are both circular with the overhang having a smaller diameter.
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Acoustic Doppler Effect Exercise
I am working on an exercise from the book 'Acoustic Signals Processing' by Douglas Abraham. I am looking at Exercise 2.3.
I am able to prove 2.34. I did this by using the cosine law with the triangle ...
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Metric term for "brake horsepower"?
When working with metric units and metric nomenclature, is there an equivalent term to "brake horsepower"? Especially if specific to the HVAC industry.
Background...
For electric HVAC fan ...
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How can I replicate Hydraflow results in HydroCAD?
I am attempting to replicate in HydroCAD the results another firm got modeling in Hydraflow.
The original design had the following inputs and outputs:
Notably, the peak discharge for the 2-year storm ...
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Axial Force Distribution In a Multi-storey Frame
I am working on a multi-storey frame and I am wondering if someone could help me with the axial load path that the members resist? Please consider the segment of the frame in the following image - ...
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PID control tank level bottle filler
i need to fix the level control of a tank that is on a bottle filling machine.
The tank is filled by a pressure regulated pump. the flow is controlled by a valve. the valve is controlled by a PID ...
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Progressive cavity pump
Progressive cavity pump i am using in polymer dosing unit in Daf wastewater treatment plant ,the motor speed Wingding good and also inlet and discharge ok but the pump is not discharge the fluid
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Inventor – how to cut cylindrical holes
For a long time I’ve been having trouble cutting cylindrical holes in Inventor. Sometimes I work with pipe projects (for water, sometimes sewage, etc.).
Whenever I have a situation like in the picture ...
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Why do seamless tubes have more uniform mechanical properties than welded tubes?
I’m trying to understand the difference in mechanical property consistency between seamless and welded stainless steel tubes. From what I know, seamless tubes are manufactured without a weld seam, ...
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Planar load cell arrangement
1.5mm thick steel 5kg load cells are sandwiched at corners of two aluminium plates.
As the load cells are rigidly mounted, would the deflection shape of the load cell bending element represent a step ...
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Finding if an evacuated Erlenmeyer flask will implode
I’m thinking of building a CRT (I believe it can be done), but I’ve hit a snag.
I am planning on using either a 1000 mL or 2000 mL Erlenmeyer flask made out of borosilicate glass (Pyrex) for the tube. ...
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Clutch pull ring to disengage gear motor
I'm thinking of using a gear motor to turn a valve. How to disengage it for manually turning a valve using clutch pull ring? This is helpful when we try to manually turn it not using the gear motor.
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how to calculate deflection when a beam with overhang is non prismatic
i've a beam with a overhang that has point loads at the center of both the beam and overhang. the diameter of the overhang is smaller then the beam which is simply supported.
can anyone provide any ...
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At what level should the three electrodes of a floatless level switch be positioned for water level controller system?
A floatless level switch, such as Omron 61F-G (comprised of transformer and relays), is commonly used with three electrodes to control a pump. Either for filling (to prevent overfilling) or draining (...
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