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.
Wild Goose@pf.com - Have I been Chasing?
  • · Replies 16 ·
Replies
16
Views
6K
How do I design a traffic light controller using a counter and clock?
  • · Replies 7 ·
Replies
7
Views
13K
Which CAD Program Should I Learn?
  • · Replies 10 ·
Replies
10
Views
6K
Future construction - a theoretical estimate?
  • · Replies 6 ·
Replies
6
Views
4K
Mulyiplying the effect on the load in a rope system?
  • · Replies 5 ·
Replies
5
Views
3K
New Efficient AC: Is There a Maintainence Issue?
  • · Replies 28 ·
Replies
28
Views
9K
Can You Create a Home-Based Micro-Hydro Generator Without Natural Running Water?
  • · Replies 1 ·
Replies
1
Views
8K
For all the mechanical engineers whom had working experience in mines, oil rigs
  • · Replies 3 ·
Replies
3
Views
10K
Engine room ventilation system
  • · Replies 27 ·
Replies
27
Views
27K
Need Help with Yield Strength for FEA
  • · Replies 3 ·
Replies
3
Views
9K
Thickness of insulation material
  • · Replies 1 ·
Replies
1
Views
11K
Maximizing Airflow: 2 4" Fans on 1 Duct - A Cost-Effective Solution?
  • · Replies 11 ·
Replies
11
Views
24K
Dealing with Inaccurate System Errors
  • · Replies 7 ·
Replies
7
Views
2K
Recovering 3D Surfaces from Flattened Panels: A Metropolis Approach"
  • · Replies 3 ·
Replies
3
Views
3K
Load Cell Application Q&A: Single Cell for Loss in Weight Feeder
  • · Replies 10 ·
Replies
10
Views
6K
Q3: Can a box with air pressure peaks dampen sound energy peaks?
  • · Replies 3 ·
Replies
3
Views
4K
Tooling question: List of Diameter Sizes?
  • · Replies 7 ·
Replies
7
Views
6K
Need help with some keywords to search with
  • · Replies 4 ·
Replies
4
Views
3K
Gasoline engine modification - ethanol fuel
  • · Replies 1 ·
Replies
1
Views
11K
BioJet 1: Biodiesel Takes Flight
  • · Replies 4 ·
Replies
4
Views
3K
Selecting a DC Motor for 50kg Project
  • · Replies 4 ·
Replies
4
Views
5K
Statically indeterminant problem
  • · Replies 3 ·
Replies
3
Views
5K
Plate Deflection: Calculating Central & Eccentric Loads
  • · Replies 17 ·
Replies
17
Views
25K
How Does Broadband Over Power Lines Achieve High-Speed Data Transmission?
  • · Replies 1 ·
Replies
1
Views
5K
Hovercraft plans (1) - How much i need in voltage?
  • · Replies 4 ·
Replies
4
Views
4K
Should I leave my heater on 24/7 ?
  • · Replies 3 ·
Replies
3
Views
3K
Where can I find low-profile multi-axis rocker switches or joysticks?
  • · Replies 6 ·
Replies
6
Views
7K
What materials can increase magnetic strength in an electromagnetic coil?
  • · Replies 3 ·
Replies
3
Views
11K
Where can I find information on overhead crane wheel derailment and maintenance?
  • · Replies 20 ·
Replies
20
Views
15K
Engineering vs Physics: Understanding the Differences and Choosing Your Path
  • · Replies 21 ·
Replies
21
Views
14K
Convection & Shapes: How Would They Affect Heat Plate?
  • · Replies 1 ·
Replies
1
Views
3K
How to Increase Current Output in a Push-Pull Amplifier Design?
  • · Replies 2 ·
Replies
2
Views
7K
Are Mechanical Engineers in High Demand in Ontario, Canada?
  • · Replies 3 ·
Replies
3
Views
3K
Airplane Mechanics Help Please: Understanding Lift
  • · Replies 10 ·
Replies
10
Views
4K
How to Determine the Best Floor Joist Configuration for a Heavy Load?
  • · Replies 1 ·
Replies
1
Views
21K
Fresh Air Globe - Discover the Technology Behind It!
  • · Replies 9 ·
Replies
9
Views
8K
More questions than I can count
  • · Replies 1 ·
Replies
1
Views
3K
What decrease in torque can be expected with a 3mm hex compared to a 4mm hex?
  • · Replies 3 ·
Replies
3
Views
8K
Ion Drive Question - Ionization process
  • · Replies 5 ·
Replies
5
Views
4K
Solving Cable Tension Question with Proportion
  • · Replies 2 ·
Replies
2
Views
2K
Environmental Engineering schools in PA
  • · Replies 2 ·
Replies
2
Views
4K
Creating an Artificial Island: Is It Possible?
  • · Replies 5 ·
Replies
5
Views
7K
How Can You Design an Effective Hand Crank Generator?
  • · Replies 1 ·
Replies
1
Views
12K
Help An issue with a cantilever tube instrumented with strain gauges.
  • · Replies 4 ·
Replies
4
Views
4K
Why isn't there a civil engineering forum?
  • · Replies 2 ·
Replies
2
Views
2K
Thermal Expansion on Piping Systems
  • · Replies 3 ·
Replies
3
Views
8K
Solenoid Valve? Area Adjustment?
  • · Replies 4 ·
Replies
4
Views
4K
Increasing Stationary Radio's Reception
  • · Replies 3 ·
Replies
3
Views
6K
Digital Electronics Project - Sound detection
  • · Replies 6 ·
Replies
6
Views
11K
Diametral Pitch: Pinion & Gear Compatibility?
  • · Replies 2 ·
Replies
2
Views
2K
How can we use sound energy to power motors?
  • · Replies 10 ·
Replies
10
Views
12K
Is VNA 675116 the Standard for Measuring Cold Index in Valves?
  • · Replies 1 ·
Replies
1
Views
4K
Controllable Valve to Maintain Constant Flow Rate
  • · Replies 10 ·
Replies
10
Views
5K
Gtech pro (cigarette lighter ie. 12v source) how do they work
  • · Replies 1 ·
Replies
1
Views
8K
How Does JFISNAR Liquid Dispensing Work?
  • · Replies 3 ·
Replies
3
Views
3K
Balancing on a Bicycle: Weight Distribution Explained
  • · Replies 1 ·
Replies
1
Views
4K
Finding if the correct pump is installed
  • · Replies 3 ·
Replies
3
Views
3K
How Will the Bay Area and New Delhi Handle the 'Big One'?
  • · Replies 2 ·
Replies
2
Views
2K
Validation of Ansys FEA solution
  • · Replies 2 ·
Replies
2
Views
8K
I wanted to know in what applications there is a great need for very
  • · Replies 1 ·
Replies
1
Views
3K
A passenger car with an non-shaking room
  • · Replies 16 ·
Replies
16
Views
5K
CFM and PSI Requirements for Abrasive Blasting 80' Steel Pipe
  • · Replies 9 ·
Replies
9
Views
16K
Can a Car Alternator be Submerged in Oil for Underwater Power Generation?
  • · Replies 3 ·
Replies
3
Views
6K
Are sig figs necessary in real-world measurements?
  • · Replies 17 ·
Replies
17
Views
7K
Force calculation for lock-rotor motor
  • · Replies 2 ·
Replies
2
Views
17K
Variable compression ratio engine
  • · Replies 11 ·
Replies
11
Views
6K
Turbocharger Efficiency: The Relationship Between PSI and CFM in Car Engineering
  • · Replies 8 ·
Replies
8
Views
21K
Will nanotechnology replace modern Engineering disciplines?
  • · Replies 4 ·
Replies
4
Views
4K
Car Design Project - Ideas to Beat Other Cars in Races
  • · Replies 3 ·
Replies
3
Views
13K
Need Help With Pressure Downstream of Solenoid.
  • · Replies 3 ·
Replies
3
Views
3K
Multimeter Resistance and Error Compensation
  • · Replies 2 ·
Replies
2
Views
5K
Yet another Flow rate question
  • · Replies 9 ·
Replies
9
Views
3K
Mining Earth's Magnetic Fields with Satellites - Chris O'Connor
  • · Replies 3 ·
Replies
3
Views
4K
Is ANSYS Difficult for Beginners to Learn?
  • · Replies 1 ·
Replies
1
Views
6K
Torque vs Horsepower: Clarifying the Difference
  • · Replies 2 ·
Replies
2
Views
3K
ZIL Screws You: Russian Heavy-Duty Transport Vehicles
  • · Replies 5 ·
Replies
5
Views
4K
Design pressure & max working pressure
  • · Replies 7 ·
Replies
7
Views
73K
Calculating Thermal Conductance with Excel
  • · Replies 4 ·
Replies
4
Views
7K
Resonance Frequency-modal Analysis
  • · Replies 4 ·
Replies
4
Views
9K
How Strong Should a Model Plane's Spar Be to Survive Mid-Air Collisions?
  • · Replies 3 ·
Replies
3
Views
3K
Calculating Weight Pull for a Pulley System
  • · Replies 2 ·
Replies
2
Views
3K
Why are diesel engines considered better than gasoline engines?
  • · Replies 22 ·
Replies
22
Views
28K
Heat transfer phenomena in frictional welding
  • · Replies 10 ·
Replies
10
Views
4K
Is a Hollow Driveshaft Stronger Than a Solid One?
  • · Replies 2 ·
Replies
2
Views
6K
Fire tube boiler-literature review
  • · Replies 1 ·
Replies
1
Views
9K
How to Design Tapered Sections for Flexural Members?
  • · Replies 3 ·
Replies
3
Views
6K
Paintball Cylinder Threaded Port Dimensions
  • · Replies 2 ·
Replies
2
Views
4K
Motor Sizing Help (Basic Rotational Inertia Problem)
  • · Replies 8 ·
Replies
8
Views
5K
Flame temperature when heavy fuel oil is burnt
  • · Replies 1 ·
Replies
1
Views
9K
Stiochiometric air-to-fuel ratio for heavy fuel oil
  • · Replies 2 ·
Replies
2
Views
17K
Standards on steel-rims for 12.00 R 20 tire
  • · Replies 2 ·
Replies
2
Views
3K
Manufacturing - Cool things being made
  • · Replies 1 ·
Replies
1
Views
4K
Smaller DN on pump than on pipe
  • · Replies 2 ·
Replies
2
Views
6K
Can Plexiglass Withstand Underwater Pressure for Submersible Camcorder Housings?
  • · Replies 13 ·
Replies
13
Views
9K
Some kind of LC sound resonator?
  • · Replies 3 ·
Replies
3
Views
3K
Vertical lift aircraft fuel longevity
  • · Replies 4 ·
Replies
4
Views
5K
Need help on clarifying concepts on materials
  • · Replies 9 ·
Replies
9
Views
3K
Non-coductive material but thermal conductive plates
  • · Replies 1 ·
Replies
1
Views
4K
How to calculate maximum torque capability on square drives ? ? ?
  • · Replies 9 ·
Replies
9
Views
35K
Turning LED's into photodiodes?
  • · Replies 7 ·
Replies
7
Views
18K