General Engineering Forum

Post thread
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.
Hobby project - Bluetooth device
  • · Replies 3 ·
Replies
3
Views
5K
How to Calculate Torque in PSI for a Welding Application?
  • · Replies 1 ·
Replies
1
Views
4K
Effects of Increasing Header Pipe Diameter in Water Distribution
  • · Replies 7 ·
Replies
7
Views
3K
Water flow rate through a slot at surface
  • · Replies 17 ·
Replies
17
Views
18K
Calculating pressure on an embedded pipe in vertical plane
  • · Replies 3 ·
Replies
3
Views
4K
Determine the angle that the string starts taking tension
  • · Replies 1 ·
Replies
1
Views
3K
How Can I Calculate Air Flow Rate and Velocity Through an Orifice?
  • · Replies 3 ·
Replies
3
Views
8K
Converting Acceleration to Displacement: Is There a Simple Algorithm?
  • · Replies 26 ·
Replies
26
Views
64K
Finding the tensile modulus E11
  • · Replies 6 ·
Replies
6
Views
5K
Calculating the Force to Move a 200,000 lb Table on 12 Wheels
  • · Replies 7 ·
Replies
7
Views
5K
Build a 600ft Spring Launcher: Ideas & Advice
  • · Replies 4 ·
Replies
4
Views
6K
Aircraft Impact Damage on Movable Concrete Block vs. Non-movable Concrete Block
  • · Replies 4 ·
Replies
4
Views
11K
How Can DFB Lasers Enhance Sensor Applications in Various Fields?
  • · Replies 2 ·
Replies
2
Views
4K
Building a Parachute with Military Nylon
  • · Replies 4 ·
Replies
4
Views
5K
Voltages in bathroom appliance heating elements
  • · Replies 1 ·
Replies
1
Views
3K
Calculating time for object to reach ambient temperature in an oven
  • · Replies 4 ·
Replies
4
Views
45K
45KVA Voltage Stabilizer Recommendation?
  • · Replies 24 ·
Replies
24
Views
10K
Creating a Fast-Melting Plasma Cutter for Science Projects
  • · Replies 2 ·
Replies
2
Views
5K
Civil Engineering Personal Projects
  • · Replies 4 ·
Replies
4
Views
7K
ALON-Does anyone know the strength of this material compared to say, steel?
  • · Replies 1 ·
Replies
1
Views
4K
Building a wood bed platform - how much will it support?
  • · Replies 15 ·
Replies
15
Views
47K
What torque is needed to make a bicycle move.
  • · Replies 11 ·
Replies
11
Views
27K
What seismic design codes should I consider for my subsea structures?
  • · Replies 1 ·
Replies
1
Views
3K
Fluid Mechanics Book recommandation
  • · Replies 5 ·
Replies
5
Views
5K
Pneumatic Valve and Orifice Issues
  • · Replies 2 ·
Replies
2
Views
4K
What does the 97% storage efficiency of a flywheel represent?
  • · Replies 1 ·
Replies
1
Views
3K
Will the FE Exam Include Questions Beyond the Steam Table Limits?
  • · Replies 1 ·
Replies
1
Views
5K
Is it possible to build a mirror array with adjustable focal length?
  • · Replies 14 ·
Replies
14
Views
6K
Build NOT Gate w/ AND/OR Gates: Possible?
  • · Replies 2 ·
Replies
2
Views
4K
Projectile Measurements: RPM, Position, Velocity, acceleration
  • · Replies 1 ·
Replies
1
Views
4K
Filter White Noise: Designing FIR Moving Average Filter
  • · Replies 5 ·
Replies
5
Views
6K
What is the purpose and design of wire mesh on radar antennas?
  • · Replies 6 ·
Replies
6
Views
7K
Your favorite feats of engineering
  • · Replies 8 ·
Replies
8
Views
4K
Left hand trhread versus right hand thread
  • · Replies 4 ·
Replies
4
Views
17K
Millitary Standard for Small Water Craft, Navy, Marines
  • · Replies 2 ·
Replies
2
Views
4K
Concept Evaluation-Single house computer
  • · Replies 12 ·
Replies
12
Views
5K
What are some project ideas for a third year aircraft engineering student?
  • · Replies 7 ·
Replies
7
Views
4K
How to avoid killing birds with wind turbines
  • · Replies 110 ·
4
Replies
110
Views
28K
Understanding Centrifugal Compressor Flow Rates
  • · Replies 2 ·
Replies
2
Views
7K
Problem related to 4-stroke Honda GX 35 engine
  • · Replies 1 ·
Replies
1
Views
10K
What Was the Original Speed of the Car Before Braking?
  • · Replies 6 ·
Replies
6
Views
4K
Fluorescent/fosforescent effect applied to engineering
  • · Replies 1 ·
Replies
1
Views
3K
Gas Turbine Data: Find Pressure, Temp & Efficiency Info
  • · Replies 2 ·
Replies
2
Views
3K
Power loss in different drive systems?
  • · Replies 6 ·
Replies
6
Views
16K
Hydraulic Entrance Loss Benefits: Fluid Flow 3K US GPM
  • · Replies 7 ·
Replies
7
Views
5K
LR Circuit Data Logging: Measuring Frequency Changes with Inductance Variations
  • · Replies 1 ·
Replies
1
Views
3K
Understanding Air Compressor Power Equations
  • · Replies 7 ·
Replies
7
Views
19K
OrCAD PSpice & convergence issues
  • · Replies 5 ·
Replies
5
Views
5K
Using a zoom camera to identify object and laser to track
  • · Replies 2 ·
Replies
2
Views
4K
How to Prevent a Hydraulic Cylinder from Easily Moving Another?
  • · Replies 6 ·
Replies
6
Views
3K
Replicating Objects: Molecular Assemblers vs. Physics
  • · Replies 1 ·
Replies
1
Views
3K
Technichal drawing legend markings question
  • · Replies 3 ·
Replies
3
Views
4K
Identifying Gate Logic Symbol on Spec Sheet: Digital Fundamentals Paper
  • · Replies 3 ·
Replies
3
Views
4K
Round vs Straight Line Antennas: What is the difference?
  • · Replies 2 ·
Replies
2
Views
5K
Pressure / Vacuum Analysis During Submersion
  • · Replies 2 ·
Replies
2
Views
4K
Build a Thermistor: Step-by-Step Guide, Cheap Options
  • · Replies 1 ·
Replies
1
Views
3K
How can vacuum and water be used for cooling?
  • · Replies 11 ·
Replies
11
Views
12K
Question on use of Piezoelectric sensor:
  • · Replies 10 ·
Replies
10
Views
6K
Can Opamps Square Input Signals?
  • · Replies 4 ·
Replies
4
Views
4K
Rotor vs Propeller: Know the Difference
  • · Replies 1 ·
Replies
1
Views
19K
Can Air Compressor Noise be Cancelled Without Affecting Air Flow?
  • · Replies 1 ·
Replies
1
Views
4K
Please I want mathematical model of cpu,HDD
  • · Replies 3 ·
Replies
3
Views
4K
Soil Mechanics: Relationship between pH of seawater and sand
  • · Replies 5 ·
Replies
5
Views
6K
Propelling a model maglev train
  • · Replies 7 ·
Replies
7
Views
20K
Help me calculate skin friction drag on a vehicle please
  • · Replies 4 ·
Replies
4
Views
12K
Lumped capacitance model if you insure the interior is well mixed?
  • · Replies 1 ·
Replies
1
Views
3K
How can I calculate the energy output from spinning a wheel at a certain RPM?
  • · Replies 3 ·
Replies
3
Views
8K
Understanding Op Amps and Kirchoff's Current Law
  • · Replies 11 ·
Replies
11
Views
4K
FE Exam Prep: Standardized Test or Different Every Time?
  • · Replies 2 ·
Replies
2
Views
4K
Consequences of running a 60 Hz instrument on 50 Hz
  • · Replies 4 ·
Replies
4
Views
5K
Suggest me some low sensitive Sound sensors.
  • · Replies 3 ·
Replies
3
Views
4K
System for condensing steam in a low pressure system
  • · Replies 6 ·
Replies
6
Views
5K
Friction, contact area and a clamp design
  • · Replies 1 ·
Replies
1
Views
7K
Creating Transparent Touch Screen: Find the Right Display
  • · Replies 7 ·
Replies
7
Views
7K
How Do You Calculate Displacement for an Irregular Cantilever Beam?
  • · Replies 1 ·
Replies
1
Views
4K
A different approach towards Thrust Engines
  • · Replies 1 ·
Replies
1
Views
3K
Rubber Tyre Gantry: Learn How It Works
  • · Replies 1 ·
Replies
1
Views
3K
Two pressure vessels connected by a pipe
  • · Replies 1 ·
Replies
1
Views
5K
What Is Coherence Distance in Laser Interferometers?
  • · Replies 3 ·
Replies
3
Views
4K
Full Motion Antenna motors designing problem
  • · Replies 2 ·
Replies
2
Views
5K
Is China's New Aircraft Carrier Design Real or Just a Virtual Concept?
  • · Replies 17 ·
Replies
17
Views
10K
Question with my circuit in multisim dealing with op-amp
  • · Replies 3 ·
Replies
3
Views
5K
How Can I DIY a Safe Pressurized Water Tank for Testing Waterproof Watches?
  • · Replies 4 ·
Replies
4
Views
8K
Measuring 3 phase power current
  • · Replies 1 ·
Replies
1
Views
6K
Calculate Temperature of S/S 304 with 4KW Input
  • · Replies 24 ·
Replies
24
Views
7K
How Quickly Will Water Drain from a Tank with a 13mm Hole?
  • · Replies 3 ·
Replies
3
Views
4K
Why is directional noise correlated noise?
  • · Replies 2 ·
Replies
2
Views
5K
Writing Engineering Research Papers at Bachelor Level: Tips & Advice
  • · Replies 7 ·
Replies
7
Views
4K
Architect? What does it take to be one?
  • · Replies 2 ·
Replies
2
Views
4K
Navier Stokes Equation Derivation and Inertial Forces
  • · Replies 12 ·
Replies
12
Views
10K
Create Sound-Activated LED Circuit: Subwoofer & Floor Speakers
  • · Replies 2 ·
Replies
2
Views
6K
How to calculate impact/stopping power energies
  • · Replies 3 ·
Replies
3
Views
6K
Delaying Autoignition: 10:1 Air-Petrol Mix at 20°C
  • · Replies 9 ·
Replies
9
Views
5K
  • Poll Poll
Is Harnessing Pressure for Energy Possible in the Near Future?
  • · Replies 24 ·
Replies
24
Views
61K
What should be the size of HT cable from Feeder line of 11 KV to
  • · Replies 2 ·
Replies
2
Views
3K
Modeling and Analysis of Dynamic Systems
  • · Replies 10 ·
Replies
10
Views
16K
Multiple integral to find the contact surface area of a bolt thread
  • · Replies 13 ·
Replies
13
Views
12K
How does a vector network analyzer obtain phase information?
  • · Replies 1 ·
Replies
1
Views
3K
Questions about a Hydrogen Economy; Scientific American
  • · Replies 366 ·
13
Replies
366
Views
81K
How to Understand Laplace Transform Maths
  • · Replies 1 ·
Replies
1
Views
3K