NASA tested dual brake systems??? LOL

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This video brought back memories of driving on rainy days in cars with manual 4 wheel Bendix brakes, skinny bias ply tires, and no power steering. Sometimes the wet braking situation resulted in puckered underwear!
 
When there's nothing on TV and I feel lazy, I've been searching YouTube for "Navy training films".............not "videos" FILMS. THis crops up lots of archive WWII and old stuff. This showed up in the lot
 
67Dart273 said:
When there's nothing on TV and I feel lazy, I've been searching YouTube for "Navy training films".............not "videos" FILMS. THis crops up lots of archive WWII and old stuff. This showed up in the lot
Click to expand...

Feeling nostalgic, Del?
 
I guess LOL, I enjoy this kind of stuff. Sometimes, you learn something "disturbing"



One of these on the deep sea diving "dress" I watched.......had a segment on JUST HOW DANGEROUS these are!!!

These have (or had) NO safety relief valving. You had an inlet valve to control air coming into the suit and an exhaust valve to control "what's going out". You had to MANUALLY manage these valves

SO WHAT HAPPENS if you get too much air coming in, and the exhaust valve is shut too far?

"It's not a pretty picture" as outlined in one of the films

1..The air coming in creates pressure which STARTS TO INFLATE THE SUIT like a balloon

2..If this catches the diver by surprise, and happens very fast, the inflation BLOWS THE ARMS OUT on the suit and the diver will not have the strength to bend them. HE WILL NOT be able to reach the valve(s) if he is concious!!!

3...With the suit inflated, and unable to work his arms, the diver is forced to the surface by the bouyant air in the suit. WHEN THE DIVER reaches the surface, THE SUIT RUPTURES from the pressure AND THEN SINKS!!!!

4..You, the diver, ARE DEAD!!

This video at 6:25 illustrates the "problem" in GRAPHIC DETAIL!!!

 
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