Epic Whoops thread.

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Me: “How the hell did that happen?”

Dark Helmet: “I needed a Legend Cat on Spaceball One.”
When my wife was about 6 years old, her Dad used to trailer a 24 foot boat behind the family's huge station wagon. They used to make the trip from Quesnel BC to Kelowna, BC where they had a cabin. Going down a long hill on the highway, a truck in front of them lost a bunch of 45 gallon drums that rolled off his flat deck. Her dad jammed on the binders, the boat shot forward over the roof of the wagon, and the leg and prop split the roof open from the back all the way to the windshield. Ended up with the boat on the hood. Her dad, an old navy guy, used to say it "split the wagon from stem to gudgeon"! Scared the crap out of everyone, but luckily no one hurt.
 
First hand experience that 572whp is the maximum hp I can make with a LY rod. This was a 451 cube 400 block w/ 175hp n20 kit through the factory a body exhaust manifolds : D One of these days I'll ressurect the combo with a solid roller cam.

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When my wife was about 6 years old, her Dad used to trailer a 24 foot boat behind the family's huge station wagon. They used to make the trip from Quesnel BC to Kelowna, BC where they had a cabin. Going down a long hill on the highway, a truck in front of them lost a bunch of 45 gallon drums that rolled off his flat deck. Her dad jammed on the binders, the boat shot forward over the roof of the wagon, and the leg and prop split the roof open from the back all the way to the windshield. Ended up with the boat on the hood. Her dad, an old navy guy, used to say it "split the wagon from stem to gudgeon"! Scared the crap out of everyone, but luckily no one hurt.
:wideyed:

Newton’s First Law can be brutal at times!

BC is home to a cluster of my relatives. My parents (born in Winnipeg) used to take us kids there in the RV. Some of the world’s most beautiful countryside, I daresay!
 
Talk about not paying attention to the label! (Even if she couldn’t read the words.)

I shudder to think about a man mistaking the stuff for shaving cream!
hopefully (if it didnt get into her ears or something), she's only looking at a buzz cut, and scarfs & hats for a few months ... and a huge lesson learned.
 
wonder how much liner is left at its thinnest point.

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the helmet looks to be 1/2 thick ... the abraded area looks to already have penetrated into whatever is lining the inside before the skull is reached.

the "road rash" damage to bare/exposed skin is frightening ... sans the helmet this incident (absent impact-related injury (ies) would likely have been a fatality. :(
 
the helmet looks to be 1/2 thick ... the abraded area looks to already have penetrated into whatever is lining the inside before the skull is reached.

the "road rash" damage to bare/exposed skin is frightening ... sans the helmet this incident (absent impact-related injury (ies) would likely have been a fatality. :(
Heh could be this guys helmet...

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But since I got the image off a FlakeBook Motorcycle group with no explanation (random image) I'll bet it's more along the line of a extra passenger falling off a bike and getting wedged under the front end of a passing vehicle and traveling a way's to grind it down like that in a stationary spot.

Who knows...

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Another PCTC fire, (Pure Car & Truck Carrier)

Morning Midas On Fire and Abandoned off the Coast of Alaska 3000 cars on board, 800 are EVs.01.jpg


Morning Midas On Fire and Abandoned off the Coast of Alaska 3000 cars on board, 800 are EVs.

Here's a diagram layout of what a 6,000 car capacity PCTC is.

Morning Midas On Fire and Abandoned off the Coast of Alaska 3000 cars on board, 800 are EVs.02.jpg



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Another PCTC fire, (Pure Car & Truck Carrier)

View attachment 722693

Morning Midas On Fire and Abandoned off the Coast of Alaska 3000 cars on board, 800 are EVs.

Here's a diagram layout of what a 6,000 car capacity PCTC is.

View attachment 722694


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I’m wondering what the root cause of these are. Maybe poor quality of the batteries?

This explains some of it:

Why do lithium-ion batteries catch fire?

Lithium-ion battery cells combine a flammable electrolyte with significant stored energy, and if a lithium-ion battery cell creates more heat than it can effectively disperse, it can lead to a rapid uncontrolled release of heat energy, known as ‘thermal runaway’, that can result in a fire or explosion.

Thermal runaway can be caused by a number reasons, including an internal short circuit due to manufacturing defects, ’lithium plating’ (formation of metallic lithium on an anode surface within a battery cell), or mechanical damage (e.g. piercing, dropping). Other possible causes of thermal runaway are exposure to heat from an external source or overcharging/over-discharging.

Thermal runaway can result in the ejection of a range of flammable and toxic gases from battery casings. The flammable gases generated often ignite immediately, but may also spread out unignited, until an external ignition source is encountered, resulting in an explosion.

Lithium-ion battery fires generate their own oxygen and can be very difficult to extinguish. Specialist Aqueous Vermiculite Dispersion (AVD) fire extinguishers may be an option for small incipient fires, where extinguishing media can be applied directly to the cells of a battery, providing a combination of cooling and oxygen depletion, but these fires are very often only controlled and extinguished when the Fire & Rescue Service deliver copious amounts of water to the burning materials.

How to minimise risk

It can be very hard to identify how and when a lithium-ion battery may catch fire, but there are some preventative measures to minimise the risk of lithium-ion battery fires:

  • Only use batteries purchased from a reputable manufacturer or supplier.
  • Protect batteries against being damaged and do not attempt to recharge lithium-ion batteries with any signs of damage. These should be safely disposed of.
  • Only charge batteries with the original charger supplied.
  • Do not leave batteries charging in unoccupied locations and disconnect/remove batteries from chargers after charging is complete.
  • Avoid storing, using, or charging batteries at very high or very low temperatures and never cover chargers or charging devices. Don't leave any equipment that may contain lithium-ion batteries such as mobile phones in high temperature environments, such as in direct sunlight, or a hot vehicle.
  • Don’t overcharge your batteries as this is a potential case of thermal runaway.
  • Avoid keeping lithium-ion battery products in close proximity. While keeping these products close together does not increase the risk of a fire occurring, keeping these products away from each other can reduce the risk of fire spread from one battery/battery-powered-device to another.
  • Remember to store batteries or products using lithium-ion batteries in a cool dry place away from flammable and combustible materials.


Why do lithium-ion batteries catch fire? | Fire Protection Association
 
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