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Re: How many cars can Hawaii #12 pull up the Loop?

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Jesse VanWinkle

January 28, 2005 12:23PM

The usable tractive effort at the rear coupler needs to be calculated. Even though the 12 has narly the tractive effort as the 9 it also weighs more and those extra pounds will have to be dragged up the hill too. The 12 has more overall weight but less on its drivers. The engine and tender resistance would have to be calculated and compared between the two. Purhapes it wouldn't make a big difference but less tractive effort and more weight would effect things. 6 cars may be optimistic for the 12, but it would sound cool trying. Am I correct on this?

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Subject	Author	Posted
How many cars can Hawaii #12 pull up the Loop?	Jason Midyette	January 28, 2005 07:53AM
Re: How many cars can Hawaii #12 pull up the Loop?	Jesse VanWinkle	January 28, 2005 12:23PM
Re: How many cars can Hawaii #12 pull up the Loop?	Rod Jensen	January 29, 2005 10:32PM
Re: How many cars can Hawaii #12 pull up the Loop?	Jason Midyette	January 29, 2005 11:30PM
Re: How many cars can Hawaii #12 pull up the Loop?	Rod Jensen	January 30, 2005 12:33AM
Re: How many cars can Hawaii #12 pull up the Loop?	Rick Steele	January 30, 2005 07:44AM

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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter

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