# Questions tagged [geometry]

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### How do I calculate the angle of the handrail transition if both need to be set at 33 degrees around a 90 degree corner?

How do I calculate the angle of the handrail transition if both need to be set at 33 degrees around a 90 degree corner?
19 views

### Piston that produces equal amounts of swing in a lever?

I am attempting to figure out an equation I've found for designing part of Walschaerts Valve Gear. The specific implementation isn't relevant here, because it's the math I'm after, but this is the ...
• 173
60 views

### Is there a geometry that meshes exactly with a rope?

I'm in a use case where the outer surface is a gear driven by a motor (that's the easy part) and the inner surface meshes with a metallic (iron) rope. When the part rotates, I want the motor and ...
• 13
69 views

### At what steepness does a vehicle start rolling?

At what exact gradient does a typical vehicle in the following classes start to roll away when the brakes are released and the transmission is in neutral? I'm trying to design a super-safe parking lot/...
44 views

### Maximum Slope of Truck Parking Lot

What is the maximum grade/gradient allowed for non-temporary (overnight or longer) parking/vehicle storage areas in parking lots for heavy-duty vehicles such as semi-trucks and buses? All I could find ...
72 views

### Figuring out Geometry for Kreg 720

I'm making pocket holes to connect wood together with a jig, the Kreg 720. The 720 works by moving at an angle (which I'm trying to measure) to ensure the hole is drilled higher on thicker pieces. The ...
• 155
91 views

### Help with engineering graphics

Please redirect me if this is the wrong place to post this, however I've been having issues with something for engineering graphics classes and need some help I'm supposed to draw two intersecting ...
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