Questions tagged [design]
Questions about or related to design.
589 questions
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Reference books for residential structural design in Australia (renovations)
I live in Sydney, Australia and have been asked by a family friend to look at doing the structural design for some renovations they are doing in their home, including removing structural walls etc. I ...
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How to make a simple rotary viscous damper?
Simple questions, How much does the rotor shape matter? Will these simple designs work? Also, does the spacing between the rotor and the casing matter or is being submerged in oil just enough?
Edit:So ...
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How does one start learning surface modelling
I’m a first year engineering major, and I want to deepen my skill of 3D design. I have all the basic skills I need to make anything in 3D with CAD software; such as Solid Works or Autodesk inventor (I'...
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Hi how can i find the sigma AK from a given smith diagram
Hi how can i find the sigma AK from a given smith diagram.
I tried everything for 2 days straight.
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Bracket Design on 1 mm AISI 430 Sheet Metal Wall for Supporting Heated Aluminum Plate
I'm designing a product that uses a heated aluminum plate (310 mm × 330 mm × 8 mm) weighing approximately 5.4 kg. The heating is done with a 2 kW nichrome coil, and the plate is supported horizontally....
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Which is the slack side and tight side in belt drive when moving clockwise and counter clockwise direction
I have seen in a video that slack side is present in belt drive in top and tight side present in bottom of the pulley, but my teacher has taught that tight side is always at the bottom for better grip ...
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Wood gas cogeneration
I'm currently working on a wood gas cogeneration project (biomass gasification) for my village in Africa. The goal is to produce around 150 kW of electricity, along with useful heat for:
Powering a ...
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Calculate working load on a roller chain
I have a 9" sprocket driving a 24 inch sprocket using #80 roller chain.
There is 1142 ft lbs torque applied at the shaft driving the 9" sprocket.
Am I correct in calculating 1523 lbs of load ...
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Hole patterns in square metal sheet—which is most robust while minimizing weight?
Implementing some DIY devices, I stumbled upon the following very specific design question which involves physics and mathematics:
I need to reduce the mass of a square aluminium sheet (e.g. width ...
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Dog-Walking Question
I've seen some dog leashes like the one in the pictures below. If I'm walking n dogs, is there a way to devise a leash like the one I linked to that will never get tangled no matter where the dogs go ...
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Push-push technology
I’m designing a product and I’d like to employ push-push technology in the design It is a cylindrical pin attached to an object that’s inserted into a cylinder but need pin to be removable not after ...
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How do I calculate angle and radius constraints for this design?
I'm trying to sketch a path, in FreeCad, that consists of arcs and line segments. I know the lengths of each (arc lengths $s_1$, $s_2$ and line length $a$), but FreeCad sketches don't support arc ...
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Second Moment of Inertia for 3 axis weld
Ive got a weld that im trying to analyse and ive been unsuccessful with trying to find the 2nd moment of inertia for it. See attached dimensions of the weld..
throat of the weld is 7.07mm. Would the ...
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Finding the isometric view of an Orthographic view
I need to make these Orthographic views into an Isometric view.
The front and top view is shown.
The position of the lowest point is A.
I do not have to show hidden detail
The scale is 1:1
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Restricting two-axis joystick to single axis
I'm designing a device that needs joystick (thumbstick) input along a single axis; however I'd like to use the cheap and widely available two-axis PS5 replacement joysticks
It's important that I ...