Re: Questions about AIR BRAKES ???

Posted by Island A on January 12, 2006 at 10:47:47 from (68.48.29.244):

In Reply to: Re: Questions about AIR BRAKES ??? posted by john in la on January 12, 2006 at 05:45:18:

Air brakes on trains are different than road trucks. Air is used to apply the brakes. It is a whole long story to describe but it involves storage reservoirs with air activated valves. Removing air from the brake pipe will cause an equal amonut of air to be applied in the brake cylinder. Since this is not the topic of conversation I will leave it at that.
Road trucks have two types of systems, air applies the brakes but releases the spring brakes, which come on if your air runs out.
Dave

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