Some thoughts on the Tesla Model S fire saga

7 Июн 2014 | Author: | Комментарии к записи Some thoughts on the Tesla Model S fire saga отключены
Tesla Model X

Some thoughts on the Tesla S fire saga

What when you take a 4,000lb container filled with energy, propel it at 110 feet-per-second and put biggest fool, man, in the seat? Disaster. One way or another, always ends in some of disaster.

The objective of regulatory standards is to reduce the risk of and death. In other words disaster.

To date, there to be three incidents involving a S fire. All three incidents some form of accident that none of the cars to fireball while sitting

Two of the accidents share striking intended) similarities: striking pieces of metallic road at highway speed. In none of accidents were injuries And as Michael pointed out this buyers seem overjoyed to get into one of Musk’s luxury

The media, and special interests appear to have concluded two

1. NHTSA needs to investigate the Model S fires

2. Tesla’s is sinking because of said

A Hot Investment

Tesla has won over and investors. Owners love products and investors their

I’ll quickly take up the topic as I’m oblivious on the notion of how works, let alone speculative My venture know-how is limited to a day-trading game I played in

I have no idea what net income or convertible debt is, but at this historical graph of stock price, I find asking how a hockey stick such as this can be sustainable for a young and untested company.

Is stock slipping because are making investors wary of the safety or has the fire burned off the sparkle leaving less-attractive like long term flows and losses? Are the flames a back to reality for those on Tony Spark-iritas? Maybe the is self-correcting and isn’t a direct of three fires. Then where is the fun and link bait in an titled, “Tesla’s stock corrects after period of speculation.”

Safety NHTSA

As most of you and has been reported, the Model S through all the required tests every other automaker is to participate in and scored very (amazing, spectacular, better-than-any-other-car-EVER,

Those tests (see include various barrier tests and a rollover (car-on-a-rotisserie)

After an EV has gone through the tests that simulate road-going accidents it is required to to Federal Motor Vehicle Standard (FMVSS) 305 — Spillage .

“FMVSS No. 305 specifies requirements for limitation of electrolyte retention of propulsion batteries, and isolation of the chassis from the system during the crash This standard applies to that use electricity as propulsion

This is where things get

As far as I can tell NHTSA doesn’t a large piece of metal in the testing requirement. The standard for survival is based on the battery’s after the tests administered to light duty vehicle above).

As you can see from the pictures the armor plating that the Model S’ battery packs was impacted by traditional impact The report also indicated was no battery leakage.

But the armor isn’t tested against impact. The car isn’t flipped and stabbed with a metal moving at highway speed. the fire in both cases was caused by thermal runaway, a reaction in a battery leading to the catalyst for that runaway have been a short

Meaning the batteries aren’t to but rather the vulnerability of the armor them.

That raises the — should there be a for hazardous debris and floorboard in EVs? If the fuel source has from the rear of the vehicle to the vehicle should the government a new stress test that on direct impact of the underbody?

NOTE: I couldn’t find any or standard that addresses or hazardous road debris.

Tesla Model X

thermal runaway is good, it is better.

While doing a bit of last night I came a patent filed in March and November, 5 by Tesla regarding the of batteries and thermal runaway.

The titled, “Hazard Mitigation a Battery Pack Using Air Cells,” deals with how to the buildup of gas in a thermal runaway to “the risk of collateral

What the patent doesn’t to is the penetration vulnerabilities of the armor protecting the batteries. Ensuring the can vent during a thermal is good, but preventing a thermal say a short circuit caused by a hitch would be an evenwiser

Seeing that the plate protects the battery is an easily component and wouldn’t likely a large investment to re-engineer or I imagine Tesla is exploring to upgrade, reinforce or redesign the to withstand a stronger direct

Another thing to consider is any change to the batter plate also impact the planned option.

What does mean for Tesla, EVs, (OK, maybe not America)

If addresses the issue head on, or at the publicly states their why this isn’t an issue, get through this without too pain.

With new technology new issues (i.e. could height from the first EV contributed to a risk in hitting on the road? ).

While I encourage the body to follow these I hope they’ll be cautious to that any action they isn’t seen as an unfounded

If there is a risk associated having a fuel source a vehicle, perhaps NHTSA consider a hazardous debris for EVs?

Until we have more we can conclude that Tesla’s are the company’s stock is (likely) and NHTSA will, eventually, do

This post originally at my personal blog and for the more mundane and policy-related Feel free to keep up my other thoughts and musings me on Twitter —

Tesla Model X
Tesla Model X
Tesla Model X
Tesla Model X


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