Re: Re: Straighten Me Out

Posted by Joe Evans on May 14, 2004 at 07:34:20 from (209.41.233.196):

In Reply to: Re: Straighten Me Out posted by Hugh MacKay on May 13, 2004 at 14:29:30:

Hugh: the MAXIMUM BRAKE HORSEPOWER test lasted two hours. That is, indeed, and endurance test! During this period (as you probably know) fuel economy figures were recorded. There were some tractors that broke during this test, but the vast majority did fine--a testimonial to engineering. Little wonder that it is not unusual for tractors to accumulate tens of thousands of hours of use before major rebuilds.

I believe the MAXIMUM DRAWBAR HP test also lasted for two hours. There was also a 10 hour marathon drawbar test where (I think) this was done at 75% maximum pull. This test was done for reliability review and also fuel economy.

I'm likely a bit fuzzy on the test parameters. C.H. Wendel has a good section on the test parameters in his book "Nebraska Tractor Tests Since 1920". Quite fascinating reading, and it illustrates how in-depth Nebraska wanted to get with respect to data.

Follow Ups:

• Re: Re: Re: Straighten Me Out Hugh MacKay 09:48:57 05/14/04 (0)

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