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  • From: Richard MURPHY <murphman108@msn.com>
  • To: nafex <nafex@lists.ibiblio.org>
  • Subject: [nafex] elec. vs. gas
  • Date: Fri, 21 Jun 2013 20:54:22 +0000

Lawn tractors electricity is 12 volts.

A decent pump will draw 8 amps from it. (my best Shurflo did)

Hence, the pump 'consumes' 96 watts of power.

Say the pump is 80% efficient (I'm being generous here) so the actual
'Pumping Power' is 77 watts.

The other 19 watts are lost to heating.



1 HP = 746 watts



77 watts = 0.103 HP (my electric motor)



5 HP = 3730 watts (my gas motor)



This is a 'simplified model'. Accuracy +/- 25%



Murph



  • [nafex] elec. vs. gas, Richard MURPHY, 06/21/2013

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