Tour pg 4 of 7
 
   
 

HYDROGEN AS FUEL

Ever since the Hindenburg blew up hydrogen has had a bad rap. But hydrogen did not cause that disaster- the coating on the canvas shell was highly flammable, kin to rocket fuel, and a static charge set it alight (most of the passengers survived, and those that died jumped prematurely, or suffered diesel fuel burns).

Hydrogen has its peculiarities, but it is no more intrinsically dangerous than propane or gasoline. Hydrogen's big drawback as a fuel is its low density: Per unit mass, it packs more energy than anything, but even when compressed it stores much less energy than anything per unit volume (it has about 30% the energy density of natural gas). In vehicle applications this low energy density is a serious problem. In stationary applications, it means a big storage tank.

Hydrogen is reactive with metals, leading to corrosion. All pipes and fittings must be stainless steel. This raises the price of installations, but not the difficulty- the plumbing assembles readily.

 

         Above Left: A view of some piping.                     Above Right: The 500 gallon storage tank.
 

   
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