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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How do you calculate torque and Q for I-beams under torsion?
- Fantastic Fox
- · Replies 1 ·
Why Won't Humidifiers Raise Lab Humidity?
- daviddoria
- · Replies 7 ·
How do I calculate the stress on a lap fillet weld in bending?
- Fantastic Fox
- · Replies 3 ·
Why Do We Square Errors in Least Squares Regression?
- likephysics
- · Replies 2 ·
I-Beam Sizes: Standard Dimensions in SI Units
- Fantastic Fox
- · Replies 2 ·
Graduate School for Engineering
- tyro1
- · Replies 5 ·
Questions about EE, Meteorology and Nuclear
- php111
- · Replies 6 ·
Where Can I Find a Dummy Book for Writing Firmware Codes?
- Mike Phan
- · Replies 1 ·
First major screw-up in twenty-five years
- Ivan Seeking
- · Replies 17 ·
Front end of an engineering design
- Tyst
- · Replies 6 ·
Mapping a building for use in game (RADAR?)
- justing2k5
- · Replies 10 ·
How does someone become an Engineer?
- php111
- · Replies 19 ·
Power Your Designs: Human-Powered Lighting Solutions
- nimun4getable
- · Replies 6 ·
Motorcycle vs car performance on a twisty circuit
- wolram
- · Replies 15 ·
Mass moment of inertia of an irregular area
- garytse86
- · Replies 2 ·
Deriving cantilever oscillation period and deflection formulae
- ash1098
- · Replies 2 ·
How much time do engineers spend on physical models?
- Number2Pencil
- · Replies 4 ·
How Can You Ethically Address Concerns with Surveillance Systems?
- Bally
- · Replies 1 ·
Gender Segregation in Engineering Colleges - YouTube
- siddharth
- · Replies 5 ·
Making cardboard organ pipes and windchest louder
- Mochi
- · Replies 3 ·
Cleaning Bottles with Ultrasound
- McHeathen
- · Replies 15 ·
Would covering Earth with aluminum foil reduce global warming?
- henxan
- · Replies 16 ·
Choice fo courses - Accountancy or Engineering?
- VashtiMaiden
- · Replies 19 ·
Find a Reputable Engineering Firm to Build Lab Prototype
- iyun
- · Replies 14 ·
Calculate Deflection(Sag) in Steel Wire w/Formula
- williamlynn
- · Replies 8 ·
Homemade liquid rocket engine all based around a CO2
- binzing
- · Replies 15 ·
Wind Turbine Design: Find Documentation Here
- Ry122
- · Replies 3 ·
Projecting light on a surface for marking.
- Averagesupernova
- · Replies 3 ·
How to convert density from mol/L to kg/m3?
- Stupid_Engine
- · Replies 2 ·
Designing a Custom Sliderule for Long Range Rifle Shooting
- brianf
- · Replies 1 ·
Beam/plate on elastic foundation?
- cabellos6
- · Replies 4 ·
Can I use a terrarium as an aquarium?
- Mk
- · Replies 15 ·
Solar concentrated power generation (~5kW)
- inflation
- · Replies 3 ·
Why can't we build an earthquake-resistant building?
- Victoria
- · Replies 8 ·
Solar water heater combined with Stirling generator for electricity
- Ulysees
- · Replies 11 ·
Solar engine that converts sunlight to motion
- chiel
- · Replies 23 ·
Can a magnet levitate against gravity using repulsion from a stronger magnet below?
- hitspace
- · Replies 28 ·
How Can You Weigh a Ship Without a Scale Using Fluid Dynamics?
- shamrock5585
- · Replies 15 ·
Lying on AIF: Risky or Worth It for Engineering at Waterloo?
- tornzaer
- · Replies 6 ·
UPS' Right Turn-Only Strategy Cuts Costs and Time
- Cyrus
- · Replies 20 ·
Company taken over by French firm, building new factory with modern machinery
- wolram
- · Replies 11 ·
Would Car Enthusiasts Pay $50 for Custom CNC-Machined Emblems?
- david90
- · Replies 23 ·
Wood I Beam of dimensional lumber
- sixgun
- · Replies 11 ·
Load carrying behavior of shells
- elena
- · Replies 5 ·
Golden Age of Construction Engineering?
- SF
- · Replies 9 ·
How do you define one meter and measure weight in different units?
- ThienAn
- · Replies 2 ·
Can Building a Time Machine Become Reality?
- DANTHEMAN
- · Replies 8 ·
A perpetual motion machine that will work
- MightyG
- · Replies 2 ·
Main reasons for using opera browser
- grafica
- · Replies 2 ·
I to calculate forces on steel rope
- docdavy
- · Replies 3 ·
Calculating Cantilever Pipe Weight Support
- screwbean
- · Replies 4 ·
How to build a cage for demonstration purposes
- NoPuppyMills
- · Replies 4 ·
How Can I Build a Dust Catcher for My Room?
- SF
- · Replies 1 ·
Path from Business to Engineering?
- sanman
- · Replies 17 ·
Constructing a Wall Imaging Device
- nanoWatt
- · Replies 4 ·
Formula involved in calculating Flexuliar Bending
- ronmarie
- · Replies 1 ·
Can Better Bus Systems Save US Suburbs?
- oldtobor
- · Replies 17 ·
How do I build a toothpick bridge that stands upright?
- MoreZitiPlease
- · Replies 2 ·
Why are sports clubs (gyms) are load, not generator, on the grid?
- EnumaElish
- · Replies 41 ·
Fastest sailboats in modern times
- GiTS
- · Replies 2 ·
Summer floods forecast: are amphibious vehicles practical?
- wolram
- · Replies 29 ·
Environmental impact of wood frame vs concrete homes in the US
- oldtobor
- · Replies 12 ·
MIT Sketch Board: Amazing Computer Assisted Blackboard
- waht
- · Replies 2 ·
Should I feed ideas to a paper-pusher engineer at my workplace?
- wolram
- · Replies 15 ·
How can I efficiently build a boomilever using only wood and glue?
- backdoor
- · Replies 1 ·
Minneapolis bridge collapse report
- mgb_phys
- · Replies 5 ·
Project Management Q&A: Any Project Managers?
- dingpud
- · Replies 12 ·
Calculating gear teeth and count for force delivery
- W00t_hamsters
- · Replies 7 ·
Can American/European Engineers Work in India and Other Outsourcing Countries?
- holymotherf
- · Replies 12 ·
Astronaut Farmer: Can You Build a Rocket?
- wolram
- · Replies 9 ·
Do you need strong biology for biomedical engineering?
- meee
- · Replies 21 ·
Burst Pipe Causes Unexpected Adventure in My Garden
- wolram
- · Replies 44 ·
Course selection with analog circuits, differential equations, and physics
- Winzer
- · Replies 42 ·
Start Your Low-Cost Electrical/Electronic/Computer Business!
- david90
- · Replies 4 ·
Microwave Leakage: How Sub-Wavelength Radiation Escapes
- batlep1
- · Replies 5 ·
Physics rollercoaster track engineering
- mike_302
- · Replies 1 ·
How did the massive water line explosion occur?
- 111111
- · Replies 6 ·
How does red tacton work?
- ProToSS
- · Replies 7 ·
Will dome structures for plant growth be robust enough?
- wolram
- · Replies 1 ·
Difference between structural and mechanical engineering
- ralphy
- · Replies 2 ·
Can the Energy Tower design truly generate a positive net energy?
- Unbeliever
- · Replies 25 ·
What Are the Advantages of Using Steel for Commercial Buildings?
- oldtobor
- · Replies 9 ·
Sorting Objects into Percentile Groups
- j777
- · Replies 2 ·
What kinds of local stores sell pulleys?
- keltix
- · Replies 5 ·
What makes a winning can in a high school soup can race?
- sugarfreeky22
- · Replies 1 ·
Wild Goose@pf.com - Have I been Chasing?
- OmCheeto
- · Replies 16 ·
Gutenberg effect - who know about it?
- kttuan
- · Replies 1 ·
Art of Electronics for christmas?
- foges
- · Replies 10 ·
Future construction - a theoretical estimate?
- technobot
- · Replies 6 ·
Can You Create a Home-Based Micro-Hydro Generator Without Natural Running Water?
- tjnlsn255
- · Replies 1 ·
Accounting for hysteresis and repeatability errors in strain gauges
- babistopher
- · Replies 7 ·
Single load cell for loss in weight feeder hopper
- ghaulk
- · Replies 10 ·
Q3: Can a box with air pressure peaks dampen sound energy peaks?
- kach22i
- · Replies 3 ·
Keywords for researching beam stress and shape effects
- perfectchaos180
- · Replies 4 ·
Statically indeterminant problem
- oakley45
- · Replies 3 ·
Deflection equations for a 40' × 1' plate with central and eccentric loads
- minger
- · Replies 17 ·
Hovercraft plans (1) - How much i need in voltage?
- Neo Cortex
- · Replies 4 ·
Struggling with upper-level physics - will engineering be easier?
- Slinger
- · Replies 21 ·
Are Mechanical Engineers in High Demand in Ontario, Canada?
- Macleef
- · Replies 3 ·