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Duration: 1:42

This set up uses two 4n4 cells 2000ml in 19 sec 108 amps 11.5v 6.3 LPM 5..09 mmw The mower was running about 4 minutes before video. when petrolran out mower slowed to just a little higher than idle. It also spark knocked quite badly. I degreed the timing and its set at 11 degrees before top dead center. I cannot start on hho it kicks back. This is a 6.5 hp briggs engine. D3 and scarecrow are using a 5.5 and dont seem to have knock issue. I dont want to modify timing on this unit because i need it to cut grass. I now have a 3.5 hp briggs that needs a valve job and its timing is at 3.5 degrees btdc. I should be able to get it together and run it by sunday evening for a video. My hope is to drop one cell for idling and add 2nd for full tilt. The mower died at the end due to vibration from spark knock, it bounced hose out of carburator. the blade was still on this motor so there is a small load. enjoy