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MustangChris429

  • Date Joined:Nov 27, 2007
  • Instructables:2
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2 comments
Nov 29, 2007. 5:30 AMInstructables Robot says:

Hello! Welcome to Instructables!

I am the Instructables Robot. My job is to alert you whenever someone leaves you a comment or sends you a private message. I spend most of my day sending email. I like sending email.

You probably want to upload an image to your profile. You can do that here, as well as change some of your other account settings.

After that, check out How to make a great Instructable, The Guided Tour of Instructables, and the Help Group if you have any questions.
Nov 28, 2007. 11:17 AMn1ti says:
Nice job...but are you sure about your capacity calculations? A single D-cell rated at 12 amp hours does not increase in current capacity when placed in series. The voltage will increase of course, but the capacity in hours will be the same if you have 1 or 100 cells in series. The current will indeed be higher at lower voltages or as the load resistance drops. The only way to increase your load capacity from 12, to 24 to 36 amp hours, is to use them in parallel. In the Mag light scenario, the higher the operating voltage (the higher rated the bulb is)...but the current does not increase due to the different filament ratings. Kind regards...N1TI
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