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.
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Threads
Explain to me the flaw in this perpetual motion scheme
- ramzerimar
- · Replies 2 ·
Genetic algorithm optimization of 17-story reinforced concrete columns
- Amurrioe
- · Replies 2 ·
Is Critiquing Green Ideas Considered Taboo in the Scientific Community?
- CWatters
- · Replies 48 ·
Why don't wood construction sites get damaged in the rain?
- kyphysics
- · Replies 17 ·
Lens engineering for virtual reality
- grahas
- · Replies 3 ·
Do power rack weight limits underestimate buckling and pin shear resistance?
- JK29
- · Replies 3 ·
Why use diesel oil in fracking?
- Stephen Tashi
- · Replies 5 ·
Can Self-Charging Electric Vehicles Reach 60mph Using Renewable Energies?
- CharlohAwk
- · Replies 7 ·
How does uncertainty calculation work in lab courses?
- fayan77
- · Replies 1 ·
Pipe schedule for slackline anchors supporting 3000 lbs force
- DJones
- · Replies 2 ·
Which Software is Best for Drawing Simple Engineering Models?
- Si14
- · Replies 1 ·
Reducing noise from a central HVAC blower in a closet
- Marty Stanhibel
- · Replies 5 ·
Steam locomotive Tornado hauling test train reaches 100 mph
- Nidum
- · Replies 14 ·
Novice trouble modeling a system in Simulink
- Playbacknick
- · Replies 5 ·
Anyone know how to calculate wear & tear on car for travel?
- kyphysics
- · Replies 13 ·
Creating curves/surfaces for 3DP
- houlahound
- · Replies 2 ·
10,000 Toothpick Model of a Bridge What Do You Think?
- The Maker
- · Replies 3 ·
Starting a Robotics Club - Advice?
- Leanne Lee
- · Replies 2 ·
Any good software for drawing control systems/flow charts out there?
- Jarfi
- · Replies 8 ·
Is My Rope Bridge Design Safe? Seeking Feedback on My Plans
- Sundog
- · Replies 3 ·
Manhattanhenge Event this Evening
- BillTre
- · Replies 1 ·
New Concept for Zero Emission Natural Gas Power Generation
- BillTre
- · Replies 3 ·
What's inside a gas detection Station?
- ervays
- · Replies 4 ·
Terahertz scanner: does it work?
- sunbeam667
- · Replies 2 ·
Residential Fuel Cells: Japan vs US/EU
- anorlunda
- · Replies 15 ·
How are singularity functions used in beam analysis?
- hatchelhoff
- · Replies 2 ·
What is Tensile Force? - Researching Pantheon of Rome
- Shmelly
- · Replies 2 ·
Garage elevator: 3x3 box tube wall thickness for 600-pound load
- Overhaulin63
- · Replies 5 ·
Understanding Laser Safety: Choosing the Right Laser Level for Eye Protection
- Blue Scallop
- · Replies 4 ·
Testing wind/water turbine performance
- van4
- · Replies 3 ·
Will I still be able to find a job as an engineer?
- Connor
- · Replies 3 ·
Woodworking: How I Built My Own End Tables from Scratch
- gjonesy
- · Replies 42 ·
Best place to buy the best cheap motors
- quickquestion
- · Replies 11 ·
What Is the Difference Between Microzonation and Macrozonation?
- DavidLee24
- · Replies 2 ·
Popsicle Stick Bombs have you seen these before?
- The Maker
- · Replies 12 ·
What is Causing the Audible Sound in This Fountain Video?
- BobDoe123
- · Replies 1 ·
Remote-controlled articulated costume wings mechanism
- Pheral
- · Replies 8 ·
SM/SC any good as fill Material?
- Ssoon
- · Replies 1 ·
Can a Fushigi Gravity Ball replace K'NEX cars on a rollercoaster?
- The Maker
- · Replies 5 ·
How to determine the range of sensitivity for a camera sensor?
- Jason E
- · Replies 1 ·
Measure Air Leakage: Test Sealed Device Without Water
- curiouskk
- · Replies 5 ·
How to design surface roughness model using CST?
- Prateeksha Sharma
- · Replies 1 ·
Will a laser rangefinder work on non-reflective surfaces?
- Blue Scallop
- · Replies 8 ·
Freeboard calculations for pontoon with additional weight
- Peter T
- · Replies 3 ·
Plasma Impedance Matching Network
- Fikadu
- · Replies 5 ·
I want professional feedback on my work -- Building Model Structures
- The Maker
- · Replies 11 ·
Anchoring a 200ft backyard zip line to buried wood posts
- Eeman0201
- · Replies 4 ·
Simple bending moment calculation
- Wilson123
- · Replies 4 ·
Are these chrome plated pliers magnetic (ferrous)?
- Enginemaker
- · Replies 5 ·
Will it float or will it crunch?
- Wesl14384
- · Replies 2 ·
Does anybody know the sampling frequency of a cop radar?
- llatosz
- · Replies 4 ·
Insights Interview with Instrument Engineer Jim Hardy - Comments
- Greg Bernhardt
- · Replies 9 ·
Trying to get a gallon of water to chill
- Eddie_Pain
- · Replies 14 ·
Find Reactions to Overhanging Beam
- Ozkan Suna
- · Replies 15 ·
Will a truss support a 3m high fascia?
- HarryKoh
- · Replies 3 ·
PID control for drone rotations
- Joel Graff
- · Replies 6 ·
Dig a trench filled with water rather than build the wall?
- SunRay-dvsh
- · Replies 2 ·
Temperature, humidity and gas sealed box
- ervays
- · Replies 1 ·
Hanging a 250 lb swing from a 10 ft 2x4 beam with minimal deflection
- Chentelle
- · Replies 4 ·
Industrial applications of IR communication
- Nikhil N
- · Replies 1 ·
How can I design high-quality EEG electrodes?
- pierce15
- · Replies 2 ·
Optimal Shape for a Submersible Object with 360 Degree Maneuverability
- RICKYtan
- · Replies 2 ·
What type of sensor does this faucet use?
- Pyrus
- · Replies 6 ·
Box girder distortion from blunt impact on bone and wood structures
- be unique
- · Replies 2 ·
Angle of pitch and heel for a boat snagged on the side wall
- sbg
- · Replies 35 ·
What building mass should be applied for 2D analyses?
- Sukhi
- · Replies 4 ·
What does W7 in 'W7 stream cipher' stand for?
- Fiona Rozario
- · Replies 2 ·
Do you think this waste-to-energy plant will work?
- Chris1984
- · Replies 14 ·
Air conditioning unit with slightly open window
- iDimension
- · Replies 24 ·
Required Level of Physics/Engineering Knowledge?
- Delta Force
- · Replies 12 ·
Engineering: Success Through Accuracy, Not Popularity
- K. Doc Holiday
- · Replies 7 ·
Listen to a steel ship just built in 1943, what do I hear?
- Spinnor
- · Replies 8 ·
How water cooling chills below room temperature?
- Flashbond
- · Replies 20 ·
Instrumentation vs Measurement: What’s the Difference?
- yecko
- · Replies 2 ·
Crush Cocoa Puffs with Compressed Air – Science Project
- tionis
- · Replies 2 ·
Experimentally finding focal length of small biconvex lens?
- Rachelrific
- · Replies 7 ·
What do you guys think about Dynamic Tidal Power?
- Rod Alexei
- · Replies 11 ·
Static Electricity: Does it Attract Food Waste?
- FionaZJ
- · Replies 10 ·
Water tank size and pressure for a wet fire system in a three-story building
- fanieh
- · Replies 2 ·
Upthrust Reaction - Water Injection @ 5bar -8msw Subsea
- jakeward46
- · Replies 1 ·
How are wind turbine blades made to face the wind?
- skeptic2
- · Replies 2 ·
Making bubbles and trying to use Trompe
- Tomimo
- · Replies 3 ·
Trying to figure out the size of a base to make
- Gofarlow
- · Replies 1 ·
Convert Strain gauge readings to stress
- howsaboutno
- · Replies 2 ·
Why Does MIPS Show a Negative Result for Large Factorials?
- rictor
- · Replies 2 ·
Do you think all railroad crossings should be replaced with overpasses
- Jupiter60
- · Replies 6 ·
1820 article predicting America in 2318
- Baluncore
- · Replies 22 ·
Why not use electricity directly instead of hydrogen
- HungryBunny
- · Replies 96 ·
How do I calculate steel bridge thickness to prevent deflection?
- Mathijsgri
- · Replies 4 ·
Calculate the moment and the sag
- Mathijsgri
- · Replies 1 ·
What determines a ship's ability to withstand sea state 9?
- Ibexe
- · Replies 13 ·
Communication skills for engineers
- lindajoseph
- · Replies 6 ·
Will My Cantilevered Countertop Design Prevent Sagging?
- Enrique Lopez
- · Replies 9 ·
Engineering/physics idea next step?
- Tommyboyblitz
- · Replies 10 ·
Is pixel a representation of intensity for light at a given location?
- rictor
- · Replies 1 ·
Where can I find a digital counter for turns?
- kolleamm
- · Replies 6 ·
Glass fibre Aquarium pool minimum thickness?
- Daniel Engebretsen
- · Replies 2 ·
Interview for Engineering Class
- David Wallace
- · Replies 1 ·
Airflow vs Flowrate: Are They Synonymous?
- CadisEtramaDiRaizel
- · Replies 2 ·