General Engineering Forum

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Join the discussion of general engineering topics. The design, building, and use of engines, machines, and structures. Use the forum for any engineering topics not applicable to the specific categories.
Air Pressure Lift: Lifting 250 lbs 6-12
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Solve Coilgun Inefficiency & Measure Projectile Speed France
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Current and voltage relationship in an electric motor
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Can Self-Charging Electric Vehicles Reach 60mph Using Renewable Energies?
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MOSFET or Rheostat or Potentiometer pros and cons?
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Finding Check Valves for Water Droplets
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Mastering Uncertainty Calculations for Lab Courses and Beyond
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Question about what schedule pipe I should use for slackline
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Which Software is Best for Drawing Simple Engineering Models?
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Choice of a generator set for a drilling pump
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Should I close the door when running AC in fan mode
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Help Interpreting PID Controller Settings
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How to optimize this part for production
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Why are ice chests not vacuum insulated?
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Airflow Calculation Help: Velocity, Temp, Pressure, Diameter
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Insights How Does an Airplane Wing Work: a Primer on Lift - Comments
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Novice trouble modeling a system in Simulink
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Calculate Cooling Time: Aluminum Block in Steel Crate at 90°C
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Creating curves/surfaces for 3DP
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Do mecanum wheels move foward and sideways at the same rate?
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Any good software for drawing control systems/flow charts out there?
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Is My Rope Bridge Design Safe? Seeking Feedback on My Plans
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Manhattanhenge Event this Evening
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Could you create thrust with water vapor?
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Based Sketches, Closed Profiles and Self-Intersection
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Initial compression of a spring
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How Do Permanent Magnets Generate Energy in a Dynamo System?
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New Concept for Zero Emission Natural Gas Power Generation
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"Surface Body" in mechanical sketches....
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Fiber Optic Coupling -- how to couple a 200μm core fiber into a 50μm core fiber?
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Solving Heat Transfer Problem in Rectangular Vessel
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What's inside a gas detection Station?
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Chemist Needs Assistance with Flowmeters for Mixers
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Calculating Pulley Size for Band Saw Motor
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Question about hydrostatic pressure
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Terahertz scanner: does it work?
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Comsol Help -- How to Enable Rotating?
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Calculating Friction between Tapered Cylinders: A Math & Engineering Challenge
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Selective Incident Headlight Intensity Measurement
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Impact loading for a lowered object
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Greetings, Bw Teter here with questions about making filaments....
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Fluid mechanics and English help
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3D Printing of Structural Colors
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Residential Fuel Cells: Japan vs US/EU
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How Can 3D Printing Revolutionize Manufacturing Costs?
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How are singularity functions used in beam analysis?
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What is Tensile Force? - Researching Pantheon of Rome
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Reynolds Transport Theorem and Volume calculation
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Building a garage elevator.... 3"x3" wall thickness
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Acceleration field, velocity field, pressure field
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Understanding Laser Safety: Choosing the Right Laser Level for Eye Protection
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Conservation of mass relation for a closed system
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Understanding Average Specific Heats in Fluid Mechanics Fundamentals
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Simple compressible system and flow system
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Isothermal Process: Temperature Consistency and Heat Exchange
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How does compression cool water in a household water cooler?
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Bode phase plots and initial angles of transfer functions
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Specific volumes of a saturated substance due to pressure
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Testing wind/water turbine performance
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Do Airliners Rely on Gravity or Motor Pumps for Fuel Flow?
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What is a distinct phase change?
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A very strange curve on P-V diagram
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Designing a rectangular vacuum chamber -- Help please
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Difference between real and complex signals
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Gas Compression in a Closed System: Non-Linear vs. Horizontal P-V Diagrams
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Understanding Root Locus Method: Stability and Response of Control Systems
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How do i calculate the energy lost by my catapult
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Equilibrium in a pure substance
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Saturation line for a given substance
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Amplitude spectrum vs frequency spectrum
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Ideas for making an image sensor
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What Is the Difference Between Microzonation and Macrozonation?
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Demethanizer Tower Analysis: Modeling & Adjustments for Cryogenic Gas Plant
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Aircraft model in a wind tunnel and the full size version
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Popsicle Stick Bombs have you seen these before?
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Cooling Steel Die for Contact Cooling of Aluminium - Advice Needed
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What is Causing the Audible Sound in This Fountain Video?
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Need help creating articulated costume wings?
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Column of water, vacuum pressure and a one-way valve problem
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Forces acting on motorcycle swingarm
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How to attach wheel to axel? and how to choose motor
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How much condensate when 90F 80%RH air is dropped to 40F?
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Why do ice makers req min 45F water, well above freezing?
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SM/SC any good as fill Material?
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How effective would an evaporative cooler be when utlized in this way?
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How to create a camera mount with basic materials?
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How to avoid boiling/bubbling effect under vacuum?
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Using a propeller to excavate sand under a boat
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How Do I Calculate BTU Needs for Cooling an Enclosed Space?
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Heating oil from -20 degrees Celcius with an immersion heater
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Efficiency, Loss....is there a more specific term?
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Quadcopter Drone Uses and Potential Applications | Mini-Drone Review
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Can We Generate Perpetual Machine in 2nd Degree from Global Warming Heat?
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Can a Fushigi Gravity Ball replace K'NEX cars on a rollercoaster?
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Does boat lean less when planing?
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Is the Eulerian View Valid for Unsteady Flows?
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How I can determine the free surface level?
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Calculating radiator/fan/flow required when have a low Delta T
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How to determine the range of sensitivity for a camera sensor?
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Could a ballistic missile be used to deliver cargo?
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