In warm weather a single group 31 battery will deliver enough current and maintain tolerable terminal voltages. The Mannheims with a 3KW starter will draw approx 450 amps if the starter terminals are kept at 10V. The same application with a battery that can maintain only 8V while cranking will draw 570amp. This of course causes a viscous circle of more voltage drop across each connection,cable and winding. The higher current increases the voltage drops, which causes the starter to draw even more current. As previously stated.A world of difference what you can get away with at temps above 50F vs. below 50F. Battery available energy drops rapidly as approaching freezing temps. While the engine becomes more difficult to turn. And higher cranking rpms are required to warm the air in a combustion chamber surrounded by colder metal.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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