Engineering

2569 topics in this forum

1. Air Gear (aka: electrical powered inline skates) 1 2

   By Roaxis, March 30, 2012
   • 26 replies
   • 28.7k views
   • 
   • hypervalent_iodine
   • October 5, 2016

2. Materials with high specific heat?

   By cessna7686, July 19, 2005
   • 9 replies
   • 28.5k views
   • 
   • DQW
   • July 23, 2005

3. F/A-22 Raptor vs Su-43 Berkut 1 2 3 4 5

   By AtomicMX, June 15, 2004
   • 114 replies
   • 28.5k views
   • 
   • AtomicMX
   • June 22, 2005

4. Rocket engine with electric pumps 1 2

   By Enthalpy, March 12, 2013
   • 36 replies
   • 27.6k views
   • 
   • Enthalpy
   • September 7, 2020

5. Brinell Hardness Formula

   By s023624, December 24, 2005
   • 3 replies
   • 25.9k views
   • 
   • DV8 2XL
   • December 27, 2005

6. Heating water in a copper pipe from a wood oven

   By mattsawyer, April 21, 2012
   • 3 replies
   • 24.7k views
   • 
   • Enthalpy
   • May 13, 2012

7. home-made RC helicopter 1 2

   By IhaveTacos, August 4, 2007
   • 26 replies
   • 23.5k views
   • 
   • mooeypoo
   • September 14, 2009

8. Can we store thunder energy? 1 2 3

   By chatlack, April 18, 2005
   • 51 replies
   • 23.5k views
   • 
   • Sensei
   • March 11, 2014

9. Safe load weight for a house floor

   By Moontanman, October 4, 2015
   • 22 replies
   • 23.3k views
   • 
   • Moontanman
   • October 6, 2015

10. Use of Calculus in Electrical Engineering

    By Silencer, May 24, 2006
    • 1 reply
    • 22.4k views
    • 
    • zebov
    • December 13, 2006

11. A near indestructable metal? 1 2 3

    By TransformerRobot, December 21, 2011
    • 56 replies
    • 21k views
    • 
    • TransformerRobot
    • December 26, 2011

12. Mechanic vs Mechanical Engineer

    By Elite Engineer, May 25, 2014
    • 18 replies
    • 20.4k views
    • 
    • barfbag
    • July 29, 2014

13. Quick Electric Machines 1 2 3

    By Enthalpy, March 21, 2013
    • 52 replies
    • 20.2k views
    • 
    • Enthalpy
    • June 12, 2021

14. Anybody here know how to refill an empty perfume bottle?

    By Guest gio_seven, May 31, 2005
    • 4 replies
    • 20k views
    • 
    • Trurl
    • June 11, 2005

15. Convert Rocket Engines to Hydrogen or Methane

    By Enthalpy, September 13, 2011
    • 6 replies
    • 19.7k views
    • 
    • Enthalpy
    • September 14, 2011

16. Extruded Rocket Structure 1 2 3

    By Enthalpy, October 7, 2011
    • 52 replies
    • 19.7k views
    • 
    • Enthalpy
    • June 26, 2021

17. Alternators and Electric bicycle

    By Innovate!, February 9, 2011
    • 17 replies
    • 19.6k views
    • 
    • InigoMontoya
    • October 4, 2012

18. is it possible to create spark gloves? 1 2

    By beastyboy, January 3, 2010
    • 26 replies
    • 19.1k views
    • 
    • ppadams
    • October 29, 2013

19. Making a Stun Gun

    By 5614, October 29, 2004
    • 19 replies
    • 18.6k views
    • 
    • bilupaul
    • March 21, 2013

20. Would a nuclear bomb work in a vacuum? 1 2

    By Lekgolo555, March 26, 2007
    • 45 replies
    • 18.6k views
    • 
    • dragonstar57
    • September 6, 2011

21. solar power grid feed-in

    By lemur, March 31, 2011
    • 9 replies
    • 17.8k views
    • 
    • random
    • April 26, 2011

22. Viability of Solar Power 1 2 3

    By mmalluck, February 3, 2005
    • 62 replies
    • 17.4k views
    • 
    • lemur
    • May 31, 2011

23. Can faced insulation in a wall be double layered?

    By iNow, December 7, 2008
    • 6 replies
    • 17.4k views
    • 
    • iNow
    • December 8, 2008

24. Why Use a Wankel Engine? 1 2

    By jimmydasaint, April 12, 2011
    • 27 replies
    • 17.4k views
    • 
    • karthik_rao
    • July 27, 2014

25. is it possible for a spring powered automobile? 1 2

    By cameron marical, February 25, 2009
    • 28 replies
    • 17.1k views
    • 
    • finster
    • September 20, 2012