Posted by Clarkbug on October 03, 2008 at 06:41:14 from (72.66.34.60):
In Reply to: Battery chargers? posted by s.crum on October 03, 2008 at 05:56:47:
Kentb of SWMO said: REMEMBER THE HINDINBURG !!!!!
Kent
Actually, to go a little off topic....
The Hindenburg didnt burst into flames because of the hydrogen inside of it. The zeppelin was painted using a mixture that included powdered aluminum oxide. This is commonly used today as solid rocket propellant. When the blimp came into dock, it lowered its ropes so that the ground crew could grab them and pull it in. However, this was during a fierce rainstorm with plenty of lightning. The ropes got wet, and became like grounding rods, making the big floating metal thing a really easy target for lightning strikes.
After a few, the bladder itself began to burn from the aluminum oxide.
The famous picture with the flames coming off of it is actually of the fuel for the engines burning (the fire is below the ship, from the falling fuel)
If the hydrogen had been what caused the fire, the entire top would have exploded, rather than burned. Also, the flames would be going up, since the hydrogen would rise, rather than falling.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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