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

How fast will this torsion spring open a lid?

  • Prockey
  • · Replies 4 ·
Replies
4

Why Do Wheels Roll More Efficiently Than Other Shapes?

  • fog37
  • · Replies 5 ·
Replies
5

Removing an inside weld line in a pipe

  • Amir Sedieqy
  • · Replies 12 ·
Replies
12

Mechanism to Automatically Lower Heater for Sealing Packaging

  • Shees
  • · Replies 7 ·
Replies
7

Max Compression & Reinstall of Spiral Wound Gaskets -Advice Needed

  • Osvaldo
  • · Replies 4 ·
Replies
4

Breaking solid shaft in torsion purposefully

  • thissong
  • · Replies 19 ·
Replies
19

Is My Tractor Stable Enough to Support a Lift at Maximum Height?

  • PeterH48
  • · Replies 3 ·
Replies
3

How does an LPG tank gauge work?

  • karamss
  • · Replies 12 ·
Replies
12

Journal Bearings Clearance Calculation

  • Osvaldo
  • · Replies 11 ·
Replies
11

Stopping 80Hz Wave: Solutions to Eliminate Noise

  • ptdeskhk
  • · Replies 20 ·
Replies
20

Where to place portable A/C for best effect?

  • DaveC426913
  • · Replies 14 ·
Replies
14

Can I apply Bernoulli's equation to this situation?

  • Atouk
  • · Replies 15 ·
Replies
15

Divergent nozzle for releasing pressurised gas

  • T C
  • · Replies 10 ·
Replies
10

How to determine Wind turbine RPM

  • alokkumar
  • · Replies 33 ·
2
Replies
33

Venturi injector suction not adequate

  • kunalvanjare
  • · Replies 19 ·
Replies
19

Max lifting capacity for an average human adult

  • Yashi234
  • · Replies 30 ·
2
Replies
30

Automotive Low RPM-high torque vs High RPM-low torque -- durability?

  • John Mcrain
  • · Replies 6 ·
Replies
6

I need some help with mechanical advantage (pulleys)

  • Handysmurf
  • · Replies 5 ·
Replies
5

Help with the equations for this "sideways differential" please

  • schofieldius
  • · Replies 24 ·
Replies
24
Replies
35
  • Poll Poll

How many people hand-draw schematics anymore? (versus CAD)

  • TheQuietOne
  • · Replies 15 ·
Replies
15

Pipe Design to pump sea water from the ocean to a boiler via intermediate tanks

  • AverageEngineer
  • · Replies 4 ·
Replies
4

Cooling nozzle - convection power

  • FEAnalyst
  • · Replies 5 ·
Replies
5

Building Small Lifting Device with Kohree Motor

  • reg326j
  • · Replies 6 ·
Replies
6

Principal Stresses in a Shear Flow

  • Kushwoho44
  • · Replies 1 ·
Replies
1

Most accurate scale for weighing objects

  • Secan
  • · Replies 9 ·
Replies
9

Almost a Jetpack: Is My Crazy Idea Viable?

  • justsomeonenew
  • · Replies 6 ·
Replies
6

Cooling Tower Sizing for 20 MW Power Plant in Weymouth, England

  • Harkaran Singh
  • · Replies 5 ·
Replies
5

How much deceleration is reasonable for a free fall impact?

  • assafwei
  • · Replies 10 ·
Replies
10

Is the Total Radial Force on a Current-Carrying Hoop Zero?

  • etotheipi
  • · Replies 36 ·
2
Replies
36

Simulate the temperature inside an aquarium tank

  • bartlino
  • · Replies 4 ·
Replies
4

Calculate Pipeline Length: Pressure Drop & Parameters Explained

  • Amirul96
  • · Replies 4 ·
Replies
4

Why Do Spur Gear Pairs Have Different Face Widths?

  • cherish
  • · Replies 6 ·
Replies
6

Automotive Aerodynamic drag on a car and recovering some of that energy using a fan

  • Andrea Vironda
  • · Replies 4 ·
Replies
4

Convection powered bladeless fan style ventilation?

  • George Albercook
  • · Replies 24 ·
Replies
24

Is the 3 Gorges Dam Structurally Secure Without Bedrock Anchoring?

  • Ranger Mike
  • · Replies 7 ·
Replies
7

HVAC - Primary airflow temperatre

  • Puzzled
  • · Replies 1 ·
Replies
1

How Do You Calculate Air Surge Tank Fluctuations for Engine Intakes?

  • siddharth23
  • · Replies 2 ·
Replies
2

Natural convection enhanced by a "chimney effect"

  • gnurf
  • · Replies 9 ·
Replies
9

Expansion in non-adiabatic Otto / Diesel cycles

  • racctor
  • · Replies 13 ·
Replies
13

Linkage Analysis and force study

  • jai_helsing
  • · Replies 8 ·
Replies
8

Can this version of pneumatic piston sustain a certain load on its own?

  • Polar24
  • · Replies 3 ·
Replies
3

Has Anyone Used Xometry to Make Parts?

  • TommyGnosis
  • · Replies 2 ·
Replies
2

Dirt, debris, dust, moisture and machines

  • kenny1999
  • · Replies 5 ·
Replies
5

Power/Torque of Large Hauler, Tank & Bulldozer: Comparing Trees

  • Watuplol
  • · Replies 20 ·
Replies
20

Design of a cell phone stand - force balance question

  • rudy
  • · Replies 9 ·
Replies
9

How to fix a quad bike handlebar starter

  • Siviwe Nkosana
  • · Replies 8 ·
Replies
8

Peak Amps of a heat pump based AC vs compressor based AC?

  • Stephen Tashi
  • · Replies 4 ·
Replies
4

Analyzing the Impact of a Falling Chain on a Round Sling in Marine Environments

  • BasileDiver
  • · Replies 5 ·
Replies
5

Effect of initial stress on the natural frequency of vibration

  • Hassan2
  • · Replies 1 ·
Replies
1

Buckling and modal FEA of a submarine structure

  • Vigardo
  • · Replies 4 ·
Replies
4

Direction of Frictional Forces on Balanced Force Objects

  • physicsnoob204
  • · Replies 2 ·
Replies
2

What are these formulas? (WX=...cm^3 and Jx=....cm^4)

  • nipume07
  • · Replies 2 ·
Replies
2

Deriving the 1-D Linear Convection Equation

  • Mr_Acceleration
  • · Replies 4 ·
Replies
4

Internal forces acting on a dive system

  • Boyles
  • · Replies 12 ·
Replies
12

Bearing race diameter inequality question

  • MrMoe
  • · Replies 5 ·
Replies
5

Pressure/force calculation for combustion in a cylinder

  • Stormer
  • · Replies 2 ·
Replies
2

Calculate the air pressure needed for a projectile to travel X distance

  • DrPython
  • · Replies 6 ·
Replies
6

How to determine the airflow due to a change in temperature?

  • foal_11
  • · Replies 7 ·
Replies
7

Volumetric flow from vessel through pipe to another vessel

  • saxman2u
  • · Replies 8 ·
Replies
8

Structure adding rotational stiffness to a plate

  • petterg
  • · Replies 15 ·
Replies
15

Deflection of a cantilever beam with applied tension at the free end

  • mrbec
  • · Replies 9 ·
Replies
9

Modeling Pressure Change in a Pressurized Chamber

  • mattie
  • · Replies 11 ·
Replies
11

The most efficient nozzle shape

  • T C
  • · Replies 13 ·
Replies
13

Dual-Axis Solar Tracker Torque requirements

  • LukeTanner
  • · Replies 6 ·
Replies
6

Rack and pinion in an Ultra-High Vacuum

  • LaunyO
  • · Replies 17 ·
Replies
17

How Are Stress Lines and Streamlines Related in Physical Models?

  • person123
  • · Replies 14 ·
Replies
14

Bicycle gear system's Input-Output ratio?

  • Stevengouws
  • · Replies 3 ·
Replies
3

How Can I Connect Two Cylinders Coaxially to Transfer Pulling Force?

  • verfu
  • · Replies 2 ·
Replies
2

If two gears are connected by a shaft do they have the same torque?

  • Stevengouws
  • · Replies 9 ·
Replies
9

Understanding forces acting on a pipe bend when fluid is passing through

  • tomtomtom1
  • · Replies 3 ·
Replies
3

Automotive Vehicle Parking Brake Test on a Slope [How Convert to a Flat Ground test?]

  • physicsnoob204
  • · Replies 12 ·
Replies
12

Pressure loss pipe system: Conversion from known fluid1 to fluid2

  • Brainface
  • · Replies 8 ·
Replies
8

Cantilever beam deflection with point mass and point load at the end

  • koolraj09
  • · Replies 3 ·
Replies
3

How Does V-Belt Tension Arise in a Free Body Diagram?

  • etotheipi
  • · Replies 7 ·
Replies
7

Outdoor project - adding stability by filling a column

  • RB2314
  • · Replies 16 ·
Replies
16

Discover the Secret to Effortless Motorbike Lifting with Central Stands

  • Alec98
  • · Replies 4 ·
Replies
4

Wedge Tensile Grip Design - UTM Testing Machine

  • fede280385
  • · Replies 4 ·
Replies
4

PWM for controlling liquid flow through a Solenoid Valve

  • kunalvanjare
  • · Replies 10 ·
Replies
10

Searching for Thermally Conductive Fabric / Film

  • normynormand
  • · Replies 5 ·
Replies
5

What Is the Contact Patch Between a 0.5 mm Radius and a 3 mm Diameter Ball?

  • Ranger Mike
  • · Replies 2 ·
Replies
2

Need a compact linear drive for a hexapod table

  • some bloke
  • · Replies 8 ·
Replies
8

Hydraulic Car Ramps...... need to make them go up and down

  • Dukeman
  • · Replies 15 ·
Replies
15

Undefined log-mean temperature in heat exchanger design

  • mastermechanic
  • · Replies 3 ·
Replies
3

Does an impeller need a driveshaft?

  • theycallmevirgo
  • · Replies 21 ·
Replies
21

Coefficient of Thermal conductivity

  • imselva
  • · Replies 4 ·
Replies
4

Concept for a repeat-reset rat trap

  • kahakura
  • · Replies 5 ·
Replies
5

Calculating heat recovery from engine exhaust gases

  • LT Judd
  • · Replies 2 ·
Replies
2

Kindly name the accessories for bolting this apparatus to the floor

  • T C
  • · Replies 2 ·
Replies
2

How Quickly Can a Conical Spring Expand from Compressed to Free Length?

  • mhalc
  • · Replies 22 ·
Replies
22

How does air behave in the daisy chaining of compressors?

  • Dan Lannan
  • · Replies 10 ·
Replies
10

Build a pressurized container to infuse herbs

  • uscmedina
  • · Replies 17 ·
Replies
17

Motor Choice for Belt Movement: Stepper vs DC

  • kolleamm
  • · Replies 4 ·
Replies
4

Find Inner & Outer Radius of Hollow Circle from Second Moment of Area

  • kazel101
  • · Replies 1 ·
Replies
1

Graphing a spring mass collision with a wall

  • chusband
  • · Replies 2 ·
Replies
2
Replies
2

Bending moments about two different axes

  • etotheipi
  • · Replies 11 ·
Replies
11

What Are Economical Methods to Cool Down Mineral Oil in Server Tanks?

  • Anon_Miner
  • · Replies 36 ·
2
Replies
36

Can you me understand this mechanism?

  • nickjmi
  • · Replies 5 ·
Replies
5

Design of Hydropowered Turbine Propeller for Mobile Charger

  • TaylorHoward21
  • · Replies 11 ·
Replies
11