Mechanical Engineering Forum

Join the expert discussion on mechanical engineering topics. This can include topics like the development of machines. Mechatronics, Robotics, Engines, Drafting etc.

Threads

What are free solid modeling modeling programs?

  • mech-eng
  • · Replies 4 ·
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4

ANSYS Workbench contact problem

  • Anders Johnsen
  • · Replies 7 ·
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7

Pump power and friction losses in pipe flow using Bernoulli's equation

  • hdp12
  • · Replies 3 ·
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3

Torque -- units and transfer thereof

  • Pinon1977
  • · Replies 10 ·
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10

Recommendations for an affordable 3D CAD for home use

  • Seth Allen
  • · Replies 9 ·
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9

Boy Scout Project: Build a Car 20m with Mousetraps & Beans

  • robin14559
  • · Replies 3 ·
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3

Chain Conveyor Speed Calculation

  • kunalv
  • · Replies 2 ·
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2

-40 to 70C Degrees Special Refrigerator

  • ervays
  • · Replies 18 ·
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18

Why Ignore Tension In Pulley and Work Energy Problems?

  • LickMyEyeball
  • · Replies 4 ·
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4

Can Different Curvatures Exist in Equilibrium for Fluid-Filled Pipe?

  • member 428835
  • · Replies 5 ·
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5

What is the functioning principle of magnetometers?

  • swirlyink
  • · Replies 2 ·
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2

Is the Flow Rate Across a Split Gas System Additive?

  • Weld Engineer
  • · Replies 1 ·
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1

Find new location -- 2-wheeled car/robot

  • TimurPlusPlus
  • · Replies 3 ·
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3

Calculating Axial Thrust for a Wheelchair Axle

  • Wilson123
  • · Replies 4 ·
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4

Why is this rigidity constant decomposed using a squared cosine?

  • Guidestone
  • · Replies 10 ·
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10

Second moment of inertia for a bent rectangle

  • Ole Forsell
  • · Replies 7 ·
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7

How can a rotating shaft have a fixed end for equilibrium analysis?

  • ramzerimar
  • · Replies 5 ·
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5

Static Force Analysis of Linkage

  • BatsDude
  • · Replies 10 ·
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10

Two flow lines (pipes) meging into one

  • smims
  • · Replies 4 ·
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4
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4

Automotive Why use compression ignition instead of spark for lean-burn engines

  • Rx7man
  • · Replies 21 ·
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21

Motorized rotating platform (180 degrees, periodically)

  • hansyhop
  • · Replies 2 ·
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2

Automotive How to calculate Torque on the rear wheels of an RC car?

  • Firedawn
  • · Replies 7 ·
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7

Adjustable spring tensioner for 90deg rotating arm

  • Jonathan_Concept
  • · Replies 5 ·
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5

Can someone explain the theory of impact of jets?

  • Brenda
  • · Replies 8 ·
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8

Multiphase Flow in Fluid Dynamics - Energy Coupling

  • Tom Hardy
  • · Replies 1 ·
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1

Specifications for elephant-resistant steel poles

  • Peter Apps
  • · Replies 56 ·
2
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56

Automating a plastic greenhouse vent with a winch and pulleys

  • EE_
  • · Replies 4 ·
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4

Calculating gear ratios for a drivetrain

  • Wilson123
  • · Replies 47 ·
2
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47

Automotive Why Don't Engines Use More Steel?

  • Delta Force
  • · Replies 3 ·
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3

Vapor pressure of water between two heated plates on a press

  • mango99
  • · Replies 7 ·
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7

Wind Flow Experiments: DIY Tutorials and Ideas

  • pioneerboy
  • · Replies 7 ·
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7

Choosing tolerances for axle-bearing-housing fit

  • Wilson123
  • · Replies 4 ·
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4

Energy loss/transformation due to Aerodynamic drag?

  • Simas
  • · Replies 2 ·
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2

Load Shoulder Pressure Stress Calculations (Sketch Attached)

  • thereddevil
  • · Replies 11 ·
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11

Internal Combustion Engine question

  • MattMaxwell
  • · Replies 3 ·
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3

Water level accuracy for squaring a car frame

  • stryped
  • · Replies 15 ·
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15

Where can I find tiny U-joints for precision joint connections?

  • DaveC426913
  • · Replies 7 ·
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7

Automotive Calculate the position for a linear acutator

  • Apple&Orange
  • · Replies 4 ·
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4

Nesting Hollow Hobby Tubing: Alternatives to Brass

  • DaveC426913
  • · Replies 9 ·
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9

Calculating load factor for airplane

  • David__
  • · Replies 5 ·
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5

Automotive What causes a car to be a "lemon"?

  • jfoldbar
  • · Replies 16 ·
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16

Is BEM a More Efficient Alternative to FEA in Computational Science?

  • ramzerimar
  • · Replies 2 ·
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2

Testing for Harmonic Resonance in pole structures

  • David2017
  • · Replies 6 ·
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6

Lift a weight up with an EM switch

  • The_Thinker
  • · Replies 1 ·
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1

Maximum vapor velocity from a heat exchanger into a turbine

  • BlakeH
  • · Replies 2 ·
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2

How Does Inviscid Flow Behave Around a Submerged Cone?

  • member 428835
  • · Replies 11 ·
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11

The Best Orifice Type for highest pressure drop

  • theo1234901
  • · Replies 3 ·
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3

How to show Bernoulli's equation applies on same streamline?

  • member 428835
  • · Replies 2 ·
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2

Automotive How can porting and valve design improve engine performance?

  • XPD8
  • · Replies 5 ·
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5

Is reverse engineering ethical?

  • mastermechanic
  • · Replies 56 ·
2
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56

Bending stiffness of circular bars

  • itsmi
  • · Replies 9 ·
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9

How to calculate stress on a pipe wall

  • Galvax85
  • · Replies 5 ·
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5

Automotive How to Calculate Gear Speed in RPM?

  • The Jargon
  • · Replies 5 ·
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5

Can I design a horizontal cylindrical hollow turbine blade

  • jjoll
  • · Replies 17 ·
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17

How to calculate the torque of an engine?

  • mastermechanic
  • · Replies 19 ·
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19

Automotive Common rail high pressure pump

  • Charly Segaert
  • · Replies 3 ·
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3

Need to interview a Mechanical Engineer

  • Sophie Carson
  • · Replies 1 ·
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1

Automotive Powering a turbo with intake air

  • DJR91
  • · Replies 12 ·
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12

Why does propane stay liquid at 12 bar in a cylinder?

  • don_greene
  • · Replies 5 ·
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5

EMA: Measuring Material Aging with Experimental Modal Analysis

  • skrat
  • · Replies 3 ·
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3

How much does it cost to produce a carbon-fiber bicycle frame

  • mastermechanic
  • · Replies 9 ·
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9

Calculate cutting force (guillotine) GFRP

  • Dirk
  • · Replies 8 ·
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8

Wind Tunnel -- initial testing speed?

  • Bispen
  • · Replies 4 ·
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4

Rack and Pinion Design Question

  • Jhoneine
  • · Replies 3 ·
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3

Natural Frequency for torsional vibration

  • har_rai
  • · Replies 1 ·
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1

Mechanism for vertical movement while rotating horizontally

  • Arun John
  • · Replies 1 ·
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1

Starting force of a falling object on a compound lever

  • Builder89
  • · Replies 65 ·
3
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65

How to Calculate Heater Gain for a Boiler?

  • Jayanth D
  • · Replies 3 ·
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3

Hepa filter specifications/ blower match

  • Dones
  • · Replies 11 ·
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11

Stoichiometric air/fuel ratio of gasoline vapor

  • Michael Vannozzi
  • · Replies 45 ·
2
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45
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1

Strange unit of mass flow rate G?

  • DanKot
  • · Replies 7 ·
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7

Automotive Crankshaft axis offset from cylinder axis?

  • Baluncore
  • · Replies 25 ·
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25

Automotive Standing mile race car twin engine heavy front end?

  • Roberto palacio
  • · Replies 5 ·
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5

Can a wooden stand with edge support hold a 380 kg aquarium?

  • Togmeny
  • · Replies 4 ·
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4
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3

Tribology Engineering: VG 110 Oil vs 100cSt Viscosity

  • Patrick Jago
  • · Replies 2 ·
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2

Is Downwash a Myth in Lift Theory?

  • Wing 11
  • · Replies 3 ·
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3

Designing Haunch for Cantilever Beam in BS 8110

  • HarryKoh
  • · Replies 5 ·
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5

How Much Force Is Needed to Compress Air in a Sealed Tube?

  • Negativ3
  • · Replies 1 ·
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1

Automotive Air fuel ratio effects in diesel vs. petrol engines

  • suomi123
  • · Replies 11 ·
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11

Why are centrifugal pumps generally used to move water?

  • escape_velocity
  • · Replies 21 ·
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21
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1

Rotary Mechanical Brake System

  • Jameseyboy
  • · Replies 8 ·
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8

Stress in a tube due to external radial temperature gradiant

  • LACAZE
  • · Replies 1 ·
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1

Need to interview a mechanical engineer for class assignment

  • KaelanSong
  • · Replies 1 ·
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1

Calculate Sound Directionality w/ Equation & CAD

  • Raddy13
  • · Replies 16 ·
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16

Tension/compression spring thing

  • MacLaddy
  • · Replies 7 ·
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7

What are the equations for selecting a motor for an RC plane?

  • pegus
  • · Replies 2 ·
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2

Can supersonic flight be quiet?

  • Astronuc
  • · Replies 6 ·
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6

Design a 6-bottle capper mechanism for home brew kit

  • NewEngineer
  • · Replies 11 ·
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11

Analytical bending of a deformed beam

  • saybrook1
  • · Replies 5 ·
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5

How to calculate the required specifications of a motor?

  • Kaarmugilan
  • · Replies 2 ·
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2
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5

Constant density vs Incompressible

  • humphreybogart
  • · Replies 10 ·
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10

How to Calculate Drag Load of Sticker on Fast Moving Vehicle

  • enotyphoon
  • · Replies 9 ·
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9

What do you think about conditioning the outdoor air?

  • masihsamara
  • · Replies 7 ·
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7
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7

How to determine Steel Grade? [BS 5950]

  • HarryKoh
  • · Replies 3 ·
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3