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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.

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Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges

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What Is the Rise and Span of a Bridge?

avito009
Jan 30, 2016 · Replies 1 · Jan 30, 2016

Replies: 1

Designing bridge not perpendicular with ground

KaylaJ
Jan 28, 2016 · Replies 1 · Jan 28, 2016

Replies: 1

Preventing Condensation in Outdoor Enclosure

MtnXfreeride
Jan 28, 2016 · Replies 2 · Jan 28, 2016

Replies: 2

Air pressure vs post-fuel pump vaporization chamber

Braden T
Jan 27, 2016 · Replies 10 · Jan 28, 2016

Replies: 10

[optics] How to transport light/image in narrow tube

gregMontreal
Jan 23, 2016 · Replies 8 · Jan 27, 2016

Replies: 8

Self charging keyboard - Is it possible or just funny?

3301
Jan 18, 2016 · Replies 20 · Jan 25, 2016

Replies: 20

What is with the recent surge in quadcopters?

Niaboc67
May 30, 2014 · Replies 20 · Jan 22, 2016

Replies: 20

How do I interpret multiple principal stresses for 3D loading with shear?

vin300
Jan 21, 2016 · Replies 3 · Jan 22, 2016

Replies: 3

Simplification of load on beam for Max M and D

Lisciu
Jan 20, 2016 · Replies 1 · Jan 21, 2016

Replies: 1

Beam Sizing for Engineering Student Project

Declan10
Jan 20, 2016 · Replies 2 · Jan 20, 2016

Replies: 2

I need an engineering project for my Science Fair

Ryan Ferguson
Jan 19, 2016 · Replies 5 · Jan 19, 2016

Replies: 5

Understanding Truss Analysis: Investigating the Accuracy of a Bridge Design App

mishima
Jan 16, 2016 · Replies 3 · Jan 16, 2016

Replies: 3

Convert Kg to Gallon: USD Conversion Tips

samjose
Jan 6, 2016 · Replies 5 · Jan 14, 2016

Replies: 5

Can Regular Paint Be Used on Bronze Items?

rollingstein
Jan 11, 2016 · Replies 5 · Jan 11, 2016

Replies: 5

Distributing weight of four legs evenly over surface

Tan88
Jan 8, 2016 · Replies 4 · Jan 8, 2016

Replies: 4

Why Is the Slope of a Beam Zero at Its Midpoint Despite Maximum Deflection?

influx
Jan 7, 2016 · Replies 1 · Jan 7, 2016

Replies: 1

Physics experiments for undergraduates

Shreyas Shree
Jan 3, 2016 · Replies 2 · Jan 4, 2016

Replies: 2

Finite element method for frames/beams

mohamadh95
Jan 3, 2016 · Replies 1 · Jan 4, 2016

Replies: 1

Do you have a mini-job? How do you manage it?

Donello
Dec 27, 2015 · Replies 4 · Dec 30, 2015

Replies: 4

Clever idea -- Configurable robot cubes

Hornbein
Dec 27, 2015 · Replies 3 · Dec 30, 2015

Replies: 3

Need help identifying this piece of lab equipment

fr0zensphere
Dec 26, 2015 · Replies 4 · Dec 28, 2015

Replies: 4

OpenFOAM Experience? Anyone with Expertise?

WIN
Dec 18, 2015 · Replies 2 · Dec 20, 2015

Replies: 2

Structural Engineering - Deflection

AlenDK
Dec 15, 2015 · Replies 6 · Dec 19, 2015

Replies: 6

Help in laser simulation in COMSOL

Pooya
Nov 24, 2015 · Replies 8 · Dec 17, 2015

Replies: 8

How is the vacuum in a light bulb sealed?

TheAxolotl
Dec 17, 2015 · Replies 1 · Dec 17, 2015

Replies: 1

Can military naval vessels easily survive any hurricane/typhoon?

BarnRat
Feb 20, 2013 · Replies 30 · Dec 14, 2015

2

Replies: 30

Engineering Interview. Answers from engineers appreciated.

Zunori
Dec 14, 2015 · Replies 1 · Dec 14, 2015

Replies: 1

Can Mixing Different Battery Brands Damage Your Devices?

manzana
Dec 11, 2015 · Replies 6 · Dec 11, 2015

Replies: 6

Acoustic impedance water surface in partially filled tank

Ilias Aouaj
Dec 8, 2015 · Replies 1 · Dec 10, 2015

Replies: 1

Bullet camera in PVC pipe condensation problems -- Help please

NickatNite8724
Dec 6, 2015 · Replies 10 · Dec 8, 2015

Replies: 10

Maintaining liquid level inside tank with inflow and outflow

Roger Akayesi
Dec 6, 2015 · Replies 3 · Dec 7, 2015

Replies: 3

Standards and guidelines (DIN, ISO, ANSI etc.)

Marcis Rancans
Dec 6, 2015 · Replies 7 · Dec 6, 2015

Replies: 7

Efficacy of laying insulation flat on ground around house?

shane2
Nov 24, 2015 · Replies 10 · Nov 30, 2015

Replies: 10

Creating a 10ft x 3ft Racking System: Load Capacity

blake92
Nov 12, 2015 · Replies 1 · Nov 30, 2015

Replies: 1

Beam Deflection equation question

amir azlan
Nov 26, 2015 · Replies 8 · Nov 26, 2015

Replies: 8

Can Vacuum Glazed Sunglasses Provide Maximum Eye Protection?

Algren
Nov 22, 2015 · Replies 9 · Nov 25, 2015

Replies: 9

How Reliable Is Your High-Mileage Acura RSX-S?

wolram
Nov 23, 2015 · Replies 32 · Nov 25, 2015

2

Replies: 32

Different FEA results of the same element

mohamadh95
Nov 17, 2015 · Replies 4 · Nov 23, 2015

Replies: 4

If GPS works on timing why doesn't having a cable ruin it?

PaulMakesThings
Nov 4, 2015 · Replies 7 · Nov 19, 2015

Replies: 7

Low-cost deck roof construction

DaveC426913
Nov 13, 2015 · Replies 24 · Nov 18, 2015

Replies: 24

4 point support beam reactions calculator

Aman Ratan
Nov 17, 2015 · Replies 1 · Nov 18, 2015

Replies: 1

Forever boiling water in vacuum

vec738
Jun 19, 2015 · Replies 15 · Nov 17, 2015

Replies: 15

Should a civil engineer learn solidworks?

Mddrill
Nov 17, 2015 · Replies 1 · Nov 17, 2015

Replies: 1

Fuel efficiency, turbine vs stroke generator

Lrn
Nov 15, 2015 · Replies 7 · Nov 16, 2015

Replies: 7

Most Massive Freely Moving Object Ever Built?

Hornbein
Nov 2, 2015 · Replies 26 · Nov 13, 2015

Replies: 26

Mining Software | Popular Options for Design, Blasting, Hauling

ngoc nguyen
Nov 8, 2015 · Replies 3 · Nov 10, 2015

Replies: 3

Is it possible to have a input & output screen or speaker?

SciencePerson
Nov 6, 2015 · Replies 5 · Nov 7, 2015

Replies: 5

How to Calculate RPM of Wind Turbine generator

alokkumar
Jun 7, 2014 · Replies 13 · Nov 6, 2015

Replies: 13

What is This Pipe? Capping Ideas for Old Gutter Drainage

Greg Bernhardt
Nov 4, 2015 · Replies 18 · Nov 6, 2015

Replies: 18

Does a low brick wall need to rest on top of beams for proper support?

HarryKoh
Nov 3, 2015 · Replies 1 · Nov 3, 2015

Replies: 1

With a Few Design Features for a Trompe

Trompe
Jan 15, 2014 · Replies 28 · Nov 2, 2015

Replies: 28

Bending moment on multi beam sign post

CompactDisc
Oct 29, 2015 · Replies 6 · Oct 30, 2015

Replies: 6

Snow Load Calculator | Medeek Design

medeek
Dec 28, 2013 · Replies 15 · Oct 29, 2015

Replies: 15

Limit on mechanical & electric energy conversion efficiency

Le Jergens
Oct 14, 2015 · Replies 10 · Oct 27, 2015

Replies: 10

How Can I Build a Small-Scale HIFU System for Inducing Sample Oscillation?

rkum99
Oct 26, 2015 · Replies 1 · Oct 27, 2015

Replies: 1

Max Load Capacity of Rack Built from 2x2x.25 Steel Tubing

blake92
Oct 23, 2015 · Replies 2 · Oct 26, 2015

Replies: 2

Measuring surface waves using the a pressure sensor?

tmpst
Oct 26, 2015 · Replies 3 · Oct 26, 2015

Replies: 3

Submarine Outfall For Storm Water Drainage Pipe

Point Conception
Oct 24, 2015 · Replies 1 · Oct 25, 2015

Replies: 1

What determines the sign/direction of shear stress?

srk999
Oct 17, 2015 · Replies 1 · Oct 22, 2015

Replies: 1

How to calculate volume of oil released from a pinhole ?

radenbimayoga
Oct 21, 2015 · Replies 1 · Oct 22, 2015

Replies: 1

Calculating max weight object supports without counterweigh

James O'Neill
Oct 19, 2015 · Replies 10 · Oct 21, 2015

Replies: 10

Finding the total charge from the graph

red1312
Oct 19, 2015 · Replies 3 · Oct 19, 2015

Replies: 3

Man-made generation of water waves

0pt618
Oct 14, 2015 · Replies 4 · Oct 18, 2015

Replies: 4

Would this water from air device work?

PraAnan
Oct 13, 2015 · Replies 3 · Oct 17, 2015

Replies: 3

Monitoring While Drilling Problem

Claudio_Baldo
Apr 21, 2015 · Replies 17 · Oct 13, 2015

Replies: 17

Can the Deflection of Mild Steel Straps Support a 500kg Load?

BMX56
Oct 6, 2015 · Replies 2 · Oct 13, 2015

Replies: 2

Software package for modelling electromagnetic interaction

sukharef
Sep 10, 2015 · Replies 4 · Oct 10, 2015

Replies: 4

Dissapating corner moments in a rectangular underground tank

Infinitybyzero
Oct 9, 2015 · Replies 1 · Oct 9, 2015

Replies: 1

Wind turbines with many small generators

Zeynel
Sep 19, 2015 · Replies 40 · Oct 3, 2015

2

Replies: 40

A few questions about relative humidity

TSN79
Oct 1, 2015 · Replies 5 · Oct 2, 2015

Replies: 5

Bending force or shear force what's the difference?

shott92
Sep 29, 2015 · Replies 2 · Sep 30, 2015

Replies: 2

Functional Back Brace for Costume

Jesuit24
Sep 24, 2015 · Replies 11 · Sep 30, 2015

Replies: 11

Outdoor WoodBurner = Indoor Heat suggestions?

dwaring28720
Sep 20, 2015 · Replies 3 · Sep 29, 2015

Replies: 3

Tower out of paper that would support a textbook

Serenity4uswild
Sep 26, 2015 · Replies 10 · Sep 28, 2015

Replies: 10

Something cool to make with magnets

TT0
Sep 25, 2015 · Replies 3 · Sep 25, 2015

Replies: 3

Is Wasting Energy a Symbol of Affluence and Convenience?

anorlunda
Sep 25, 2015 · Replies 7 · Sep 25, 2015

Replies: 7

Need design for a rectangle "like" spray bottle

Seanshine
Sep 23, 2015 · Replies 3 · Sep 24, 2015

Replies: 3

Masonary Wall Design for water tank

rollingstein
Sep 22, 2015 · Replies 7 · Sep 22, 2015

Replies: 7

What a different single-mode-cavity and 'single'-mode-cavity?

SungDae
Sep 11, 2015 · Replies 3 · Sep 21, 2015

Replies: 3

Where Can I Find an Astable Linear Solenoid for My Robotics Experiment?

udtsith
Sep 15, 2015 · Replies 5 · Sep 19, 2015

Replies: 5

What is the upper arch of the Sydney Harbour Bridge for?

andrewkirk
Sep 8, 2015 · Replies 5 · Sep 9, 2015

Replies: 5

Interesting pocket reference by Thomas Glover

SuperDaniel
Sep 1, 2015 · Replies 1 · Sep 1, 2015

Replies: 1

Engineing Resources: Learn Modern Engineering History

sulicat
Aug 28, 2015 · Replies 5 · Aug 31, 2015

Replies: 5

Need to know the name of this screw/joint on a wooden bed

sknth
Aug 3, 2015 · Replies 9 · Aug 26, 2015

Replies: 9

Beam calculations - Simply supported vs pinned both sides

Turbine
Aug 23, 2015 · Replies 4 · Aug 23, 2015

Replies: 4

Deformation of containers in the Tianjin explosion

Anders Bruun
Aug 18, 2015 · Replies 6 · Aug 19, 2015

Replies: 6

Can a 300W fog machine create a smoke curtain 5 meters high?

Shane Lautner
Aug 16, 2015 · Replies 3 · Aug 17, 2015

Replies: 3

Fillet Welding: T-Joints with 10mm Plates

doan
Aug 14, 2015 · Replies 2 · Aug 15, 2015

Replies: 2

Passive offshore desalination plant

puf_the_majic_dragon
Apr 3, 2015 · Replies 4 · Aug 7, 2015

Replies: 4

Square steel tubing for a beam....did I do this right?

Ross C
Jul 30, 2015 · Replies 6 · Aug 4, 2015

Replies: 6

How Does a Rain Catchment System Affect Water Levels in a Tank?

Physiogista
Mar 11, 2015 · Replies 4 · Aug 3, 2015

Replies: 4

Is there a benefit to having holes in sails and rudders on Chinese junks?

mupp
Jul 27, 2015 · Replies 13 · Aug 2, 2015

Replies: 13

I need a method of estimating the volume of a gas container

Jehannum
Jul 22, 2015 · Replies 9 · Jul 31, 2015

Replies: 9

Can a car's reaction to gas pedal be said to be stable ?

Gauzi
Jul 27, 2015 · Replies 3 · Jul 27, 2015

Replies: 3

Calculating time in a logarithmic scale

Natalie89
Jul 27, 2015 · Replies 1 · Jul 27, 2015

Replies: 1

Why haven't we colonized the oceans?

Hercuflea
Dec 15, 2013 · Replies 28 · Jul 26, 2015

Replies: 28

Question about differential pressure on subsea pipelines.

zeromodz
Jul 26, 2015 · Replies 2 · Jul 26, 2015

Replies: 2

Calculate maximum weight box can hold

type47
Jul 25, 2015 · Replies 3 · Jul 25, 2015

Replies: 3

Measure a <X,Y,Z> point within 0.1mm over 10m x 10m x10m

terryphi
Jul 23, 2015 · Replies 8 · Jul 24, 2015

Replies: 8

Why isn't concrete used more in the construction of high rise buildings?

Billcampbell
Jul 21, 2015 · Replies 14 · Jul 22, 2015

Replies: 14

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General Engineering

Engineering is a diverse and applied field that involves the application of scientific principles and mathematical methods to design, create, and optimize solutions for real-world problems.

Engineers use their analytical and problem-solving skills to innovate and develop technologies across various domains such as civil, mechanical, electrical, and aerospace engineering. The discipline encompasses the design of structures, machines, systems, and processes, with a focus on efficiency, functionality, and safety.

Engineers play a crucial role in shaping the modern world, contributing to advancements in infrastructure, transportation, communication, and numerous other technological domains.

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