Re: Re: Tractor Draw Bar HP!!

Posted by harley1983 on July 02, 2004 at 13:29:31 from (64.136.27.229):

In Reply to: Re: Tractor Draw Bar HP!! posted by Ron on July 02, 2004 at 05:26:53:

Unless of course the course you are running on to test the static drawbar horsepower is on a 2 1/2 to 3 1/2 % grade and then the rating can either be added or suptracted from the 86% DBHP according to whether you are going uphill or downhill, whereupon one can either add 4.67% to the DBHP or subtract 4.67% as the case may be . Another variable is if the course is laid out in an east-west route and the wind is blowing from the south as it always does in Nebraska it will make a difference of approximately .96 HP per mile and hour of wind blowing. This is with a tractor without a cab. A tractor with a cab will catch more wind and then a loss of 1.27%of the DBHP muct be entered into the equasion. All of this taking into account the fact that no birds lit on the tractor during lunch hour and have added any weight to the test vehicle. YOu're right. I hate it when it rains and I have all this time to think, Harley

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