Engineering

2600 topics in this forum

1. "Wind" turbines in a vacuum

   By Myuncle, June 8, 2015
   • 7 replies
   • 4.8k views
   • 
   • Greg H.
   • June 9, 2015

2. 4 wire stepper motor control (ladder logic) 1 2

   By CasualKilla, April 21, 2015
   • 31 replies
   • 15.1k views
   • 
   • THX-1138
   • June 2, 2015

3. A guessy estimate of horsepower needed, please ?

   By Externet, May 30, 2015
   • 0 replies
   • 921 views
   • 
   • Externet
   • May 30, 2015

4. acid vapors filter

   By masoodstar, May 26, 2015
   • 1 reply
   • 1.1k views
   • 
   • imatfaal
   • May 26, 2015

5. Chemical explosion electromagnetic pulse

   By FrankM, April 6, 2015
   • 24 replies
   • 5.7k views
   • 
   • greese007
   • May 26, 2015

6. Help finding equivalent resistance for BJT circuit

   By CasualKilla, May 24, 2015
   • 4 replies
   • 2.7k views
   • 
   • CasualKilla
   • May 25, 2015

7. Water pumps inlet and outlet diameters...

   By Externet, May 12, 2015
   • 18 replies
   • 35.9k views
   • 
   • studiot
   • May 21, 2015

8. White-Colebrooks formula

   By Hydraulics, May 19, 2015
   • 3 replies
   • 1.1k views
   • 
   • studiot
   • May 19, 2015

9. Tesla power wall - worth it or not?

   By pavelcherepan, May 5, 2015
   • 19 replies
   • 3.2k views
   • 
   • StringJunky
   • May 12, 2015

10. AM + FM = ? 1 2 3

    By Acme, May 2, 2015
    • 53 replies
    • 6.3k views
    • 
    • EdEarl
    • May 9, 2015

11. Multi-Link Mechanisms

    By longman3, May 7, 2015
    • 1 reply
    • 858 views
    • 
    • studiot
    • May 7, 2015

12. Gull-wing doors

    By pavelcherepan, May 4, 2015
    • 9 replies
    • 1.8k views
    • 
    • Greg H.
    • May 6, 2015

13. electrostatic ion accelerator

    By starwarsmat, April 3, 2015
    • 6 replies
    • 1.4k views
    • 
    • Enthalpy
    • April 17, 2015

14. Electromechanical relay switching frequency

    By bluedot, April 15, 2015
    • 13 replies
    • 6.5k views
    • 
    • studiot
    • April 16, 2015

15. Weakened, compromised steel is what made the towers fall

    By Elite Engineer, April 11, 2015
    • 8 replies
    • 1.9k views
    • 
    • Enthalpy
    • April 14, 2015

16. What type of soldering iron should I use as a beginner?

    By vitality00, November 7, 2014
    • 19 replies
    • 5.8k views
    • 
    • Enthalpy
    • April 14, 2015

17. Quick help with MOSFETS, where do the electrons come from?

    By CasualKilla, March 30, 2015
    • 15 replies
    • 2.6k views
    • 
    • studiot
    • April 6, 2015

18. Climate engineering on a large scale

    By Hans de Vries, April 4, 2015
    • 5 replies
    • 1.4k views
    • 
    • EdEarl
    • April 6, 2015

19. Permanent magnet thought experiment, help with hypothesis.

    By CasualKilla, March 21, 2015
    • 4 replies
    • 1.1k views
    • 
    • Enthalpy
    • March 27, 2015

20. Spice simulation, was is the current dropping?

    By CasualKilla, March 23, 2015
    • 5 replies
    • 1.2k views
    • 
    • Enthalpy
    • March 27, 2015

21. Purely Mechanical Energy Storage

    By PP3, November 23, 2014
    • 6 replies
    • 2.5k views
    • 
    • Enthalpy
    • March 27, 2015

22. Are you smart enough to you solve mysterys of the electromagnet? 1 2

    By CasualKilla, March 20, 2015
    • 26 replies
    • 3.3k views
    • 
    • swansont
    • March 24, 2015

23. electric actuator

    By baklouti, March 19, 2015
    • 1 reply
    • 796 views
    • 
    • Spyman
    • March 20, 2015

24. How do you prevent eddy currents in a transformer?

    By Mr. Astrophysicist, February 21, 2015
    • 14 replies
    • 5.4k views
    • 
    • CasualKilla
    • March 18, 2015

25. Good idea for Fukushima? 1 2

    By Fukushimahelp, April 2, 2011
    • 28 replies
    • 6.8k views
    • 
    • Enthalpy
    • March 9, 2015