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Join the expert discussion on mechanical engineering topics. This can include topics like the development of machines. Mechatronics, Robotics, Engines, Drafting etc.
Stress Concentration, Stepped Shaft
  • Q_Goest
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5
Effect of orientation on friction power of an I.C.E.
  • windtalker
  • · Replies 12 ·
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12
Turbulent Boundary layer thickness on a flat plate
  • Mitra
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1
What Is the Minimum GPA Needed for Aerospace Graduate Programs in Canada?
  • Nanorockz
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Solving a Thermodynamics Problem
  • brittt
  • · Replies 6 ·
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6
How Do Engineers Connect Angled Members to Columns in Bridge Designs?
  • Trasky
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Aerodynamic performance of a double shrouded fan
  • Analysis
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4
Rotate Mass: How to Rotate a Load 180-360 Deg.
  • CHARLES ARUL
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5
How does throttle body size affect air tract turbulence?
  • 5.0stang
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5
Can a High RPM Motor with a Gearbox Replace High Torque in Trailer Movers?
  • CR1
  • · Replies 8 ·
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8
Stratified Thermal Energy Storage
  • TeKNoMaNiaK
  • · Replies 5 ·
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5
Flywheel Troubles: Designing an Energy Storage System for a Small Buggy
  • Yakatyak
  • · Replies 6 ·
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6
Small electric generator, driven by a small engine shaft
  • idarab
  • · Replies 11 ·
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11
Calculating Forces on 800 lbs Motor Home Rack - Bill Sosebee
  • b sosebee
  • · Replies 16 ·
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16
Power required to rotate the system
  • Analysis
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2
What is the drag coefficient of a square piece of paper in aerodynamics?
  • Positronized
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2
Where Can I Find Stress-Concentration Factors for Parallel Plates Under Bending?
  • Aero Stud
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2
Orifice Calculations: Convert Pressure Difference to Mass Flow Rate
  • almarzooq
  • · Replies 3 ·
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3
Selecting Airfoil for Miniature Aircraft at 20m/s
  • ank_gl
  • · Replies 1 ·
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1
Are Diesel Engines Really Stronger Than Gasoline Engines?
  • pixel01
  • · Replies 20 ·
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20
Aerodynamics in Automotives: Improving Lift & Drag
  • Signori
  • · Replies 1 ·
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1
Choosing the Best Valve: Ball vs Solenoid for Reliable Flow Control
  • Aki
  • · Replies 15 ·
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15
Is Del . V = 0 a valid assumption for steady flow of water through a pipe?
  • stserkan
  • · Replies 7 ·
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7
Perplexing Thermodynamics problem.Help
  • kilroymcb
  • · Replies 1 ·
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1
Wanted: Stress and Strain Tutorial
  • puipui_queen
  • · Replies 2 ·
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2
Blue Collar Guy's Guide to Tire Slip Ratio Calc
  • crewchief
  • · Replies 1 ·
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1
Conformal Mapping of Aerofoil at incidence
  • PhysicsIsFun
  • · Replies 3 ·
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3
Help Finding Info on Braking Systems Co. - Retro-Fit Magnetic Brakes
  • bill nye scienceguy!
  • · Replies 1 ·
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1
Effect on flow after sudden expansion
  • shripadgb
  • · Replies 3 ·
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3
Recommendations for Intermediate Mechanical Textbook with In-Depth Explanations?
  • dave2986
  • · Replies 3 ·
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3
Mechanical Engineering Streeses
  • chrisking2021
  • · Replies 5 ·
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5
How to Calculate Vehicle Deceleration from Angular Acceleration?
  • johnny_heart
  • · Replies 1 ·
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1
What Does Weakly Nonlinear Mean in Wave Theory?
  • hanson
  • · Replies 1 ·
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1
Annular Plate Stress Calculation(uniform thickness)
  • exclusive80
  • · Replies 6 ·
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6
Rudder& elevator torque calculation
  • ank_gl
  • · Replies 7 ·
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7
How do I calculate allowable stress for different materials?
  • araanandv2
  • · Replies 5 ·
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5
Reciprocating weight in an engine
  • negativegeforce
  • · Replies 5 ·
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5
Calculating Car Brake-Pedal Force for Desired Braking Distance
  • johnny_heart
  • · Replies 8 ·
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8
Can G-Force and Displacement Predict Fuel Consumption in a Turning Car?
  • ca2n
  • · Replies 5 ·
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5
Compressible air flow thorugh pipe
  • munni
  • · Replies 1 ·
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1
Designing an Air-Powered Car: Seeking Advice
  • kinroh
  • · Replies 5 ·
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5
What is the minimum force T necessary to lift the wheel?
  • grayworks
  • · Replies 3 ·
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3
Understand Evaporator Terms & Choose Right Compressor
  • eaboujaoudeh
  • · Replies 7 ·
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7
Temperature of the back of a turbine jet engine (or something like that)
  • strawmilk
  • · Replies 4 ·
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4
Jet Sound Contribution to Shock Waves Near Supersonic Planes
  • zoki85
  • · Replies 5 ·
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5
What are some innovative topics for a mechanical machine design seminar?
  • MR PERFECT
  • · Replies 11 ·
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11
How to Design an Eddy Current Braking System for a Roller Coaster?
  • bill nye scienceguy!
  • · Replies 2 ·
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2
How does a jet-engine compressor compress air?
  • perfectz
  • · Replies 32 ·
2
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32
Two-Wheelers vs Cars: Tire Anatomy Explained
  • banerjeerupak
  • · Replies 5 ·
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5
Newbie Seeks Advice on Robotics Project
  • Paulo Serrano
  • · Replies 4 ·
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4
Why Use BTUs Instead of Power Units for Air Conditioner Capacities?
  • pixel01
  • · Replies 6 ·
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6
What Gear Arrangements Optimize Electric Car Jack Performance?
  • akueddy
  • · Replies 4 ·
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4
Best Books for Automotive Engineering and Combustion
  • machinest
  • · Replies 2 ·
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2
Design calculator for Condensers, evaporators, heat pumps
  • eaboujaoudeh
  • · Replies 5 ·
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5
Calculating Pressure with Allen Keys
  • TaffyApple
  • · Replies 13 ·
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13
Vacuum Motor Questions: Max CFM, Weight Lift, 6 Motors
  • _HL4E_HalfLife_
  • · Replies 2 ·
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2
Flywheel Effect on a Stationary Diesel
  • wsemajb
  • · Replies 1 ·
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1
Aerospace: Banjo Fitting and Its Uses
  • araanandv2
  • · Replies 11 ·
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11
Why No Headlight Covers on Maserati MC12 & Ferrari FXX?
  • David Laz
  • · Replies 5 ·
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5
Interchangeable Chair Design: 4-Bar Linkage Solution
  • titus_polo
  • · Replies 10 ·
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10
How Does Thrust Vectoring Work?
  • pikachu
  • · Replies 5 ·
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5
How does a gas turbine nozzle work?
  • perfectz
  • · Replies 4 ·
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4
Fluid Flow: Principal Rates of Deformation/Principal Axes
  • jhuleea
  • · Replies 1 ·
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1
"fully developed laminar flow" and fully developed turbulent flow"?
  • miffy1279
  • · Replies 10 ·
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10
Using Hydraulics to generate electricty
  • qaliq
  • · Replies 4 ·
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4
Automotive Frictionless automotive ball bearings
  • intalect187
  • · Replies 16 ·
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16
Reciprocating Compressors Energy Losses
  • fab473
  • · Replies 4 ·
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4
How Does Grid Shape Affect Strain Gauge Resistance Calculations?
  • X1088LoD
  • · Replies 7 ·
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7
Finite Element Analysis (FEA) Products and Developers
  • Astronuc
  • · Replies 10 ·
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10
How many watts are needed to defrost a car window in a specific amount of time?
  • gee9669
  • · Replies 10 ·
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10
Why does an airplane perform a loop?
  • jernejk
  • · Replies 5 ·
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5
Optimizing Intake Runner Length for a 1.6L 4 Cylinder Engine
  • heli-mech
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2
What are the Uses of Chemical Conversion Coating in the Aerospace Industry?
  • araanandv2
  • · Replies 8 ·
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8
Can Excel be Used to Solve for 2-D Transient Finite Difference in Heat Transfer?
  • semeer.s
  • · Replies 3 ·
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3
Some questions about strain gauges
  • X1088LoD
  • · Replies 3 ·
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3
How does gravity torque affect the position control system of a robot arm?
  • remz
  • · Replies 2 ·
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2
Aerodynamics of modern wind turbine
  • DaveC426913
  • · Replies 2 ·
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2
Small electric vehicle project help
  • akueddy
  • · Replies 1 ·
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1
Moving Infinite Plate at a Constant Velocity
  • jhuleea
  • · Replies 7 ·
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7
Plen: Skating Robot - Amazed by Tech Innovation
  • Ivan Seeking
  • · Replies 2 ·
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2
Estimate Air Density in ICE at Different Throttle Speeds
  • TexanJohn
  • · Replies 5 ·
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5
Calculating Radiation View Factor for Various Shapes
  • Baltistani
  • · Replies 2 ·
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2
Fluid Dynamic: Stokeslet? Rotlet?
  • hanson
  • · Replies 16 ·
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16
Flow Control Valves - Help for Mech Engg Student
  • venkatr56
  • · Replies 2 ·
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2
Thread Torque Specs for 3/4-14 NPSM S.S. & Aluminum
  • wxrocks
  • · Replies 3 ·
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3
Designing a Vehicle Powered by One Rubber Band to Transport an Egg
  • satish87
  • · Replies 6 ·
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6
Solving Modeling Problem with 2 Intersecting Rectangles
  • ahanesh
  • · Replies 4 ·
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4
Heat dissipation between brake Pad and Disc
  • heiroglif
  • · Replies 8 ·
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8
Vortex Doubt: Get Hints & Answers!
  • perfectz
  • · Replies 1 ·
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1
What is the Definition of Degree of Freedom?
  • edwardbanzai
  • · Replies 1 ·
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1
Quick questions about Area-Velocity relation
  • piano_girl
  • · Replies 4 ·
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4
Perpetual Motion Machine: Jared Andrew Ashby's Creation
  • Hard Proof
  • · Replies 2 ·
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2
Car Jack Torque Calculation - 100kg
  • akueddy
  • · Replies 3 ·
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3
Heat Loss from Pool: Info Reliability & Free Natural Convection
  • eaboujaoudeh
  • · Replies 10 ·
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10
CPU differences: quad core, dual core, etc. for CFD
  • timmay143
  • · Replies 3 ·
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3
How Do Airframe Stresses Change During Rocket Motor Ignition and Flight?
  • denverdoc
  • · Replies 4 ·
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4
Globe Valved IC Engine: Possible with Modern Materials?
  • wolram
  • · Replies 24 ·
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24
How to Launch a 15-Pound UAV: Air Pressure or Bungee?
  • nomorevishnu
  • · Replies 4 ·
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4
Time for water to freeze in a pipe
  • Krisk
  • · Replies 2 ·
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2
What Are Common Failure Modes of Strain Gauges and How Can They Be Induced?
  • Bellis
  • · Replies 7 ·
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7