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March 2010

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Subject:
From:
Bob Landman <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Sun, 7 Mar 2010 15:00:59 -0500
Content-Type:
text/plain
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text/plain (48 lines)
http://articles.latimes.com/2010/feb/28/business/la-fiw-toyota-deaths-list28-2010feb28

The death toll is 56 as of Feb 28 when this article was written.   
Unlike the other articles, this one lists each victim and the reported  
curcunstances at the time of the crash.

I noted the following:

1)  most of the reports of sudden acceleration happen when the driver  
is not accelerating the vehicle.  A stuck pedal would act like cruise  
control, wouldn't it?  The sudden ACCELERATION is most striking to  
me.  The driver would have had to press the pedal down much farther to  
induce that degree of acceleration.

2) quite a few incidents have happened to vehicles not being recalled

3). some incidents happened to vehicles as old as 1996 (the  incidents  
got reported due to the recent rash of complaints. So, unless Toyota  
went leadfree much earlier than has been reported on their corporate  
website, tin whiskers cannot be the explanation for all these in  
incidents. Some, perhaps, but not all.  It is more likely there are  
many causes for these accidents.

4) many reports indicate problems in braking inability to put the  
transmission in neutral.  I am more familiar with aviation accidents  
(we make a product for the avaition industry) and it is common there  
to require 3 failures of separate systems (including crew behavior) to  
result in a crash. What appears to happen in the Toyota cases is  
acceleration, failed brake and/or inability to shift into neutral.

Bob Landman
H&L Instruments, LLC

Sent from my iPhone

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