We built a 1000 watt wind turbine to help charge the battery bank that powers our offgrid home. It's a permanent magnet alternator, generating 3 phase ac, rectified to dc, and fed to a charge controller.
How to Sharpen a Chainsaw. Having a sharp blade on a chainsaw not only saves effort and wear on your equipment but makes using it safer. Besides, dull chains won't cut straight. Here are some tips for sharpening your own saw. Determine the.