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In my experience end users are very often wrong, QA departments are rarely wrong. If pilots are saying I pressed the rudder and it didn't move healthy skepticis
by cco 8y ago
In my experience end users are very often wrong, QA departments are rarely wrong. If pilots are saying I pressed the rudder and it didn't move healthy skepticism may be needed, I'd hazard less skepticism than for an average end user as the pilots are presumably highly skilled users of the product. But if after very thorough investigations a large group of pilot reports and the NTSB are telling you something is wrong then you should assume that something is wrong and do your best to prove it otherwise.
As you note emotions, and frankly legal liability, play huge roles in this realm. Worrying about legal liability might be harder to tame but in my experience it is easier to disabuse yourself of the notion that you can do no wrong.
- stcredzero 8y agoIn my experience end users are very often wrong, QA departments are rarely wrong. This is true. However, even in the cases where I have spent considerable time analyzing the situation and have included specific information, I get the distinct impression that devs simply don't listen to what users say. I get the distinct impression that most of them simply disdain me and don't even listen to what I have to say.
- skookumchuck 8y agoThe cases of "surging" where people claimed they were pressing hard on the brake when the car lept forward come to mind. (The most credible explanation is they put their foot on the gas instead, or are simply trying deflect blame away from themselves for the crash.)
- pfdietz 8y agoThat's not the most credible explanation. http://users.ece.cmu.edu/~koopman/pubs/koopman14_toyota_ua_slides.pdf http://users.ece.cmu.edu/~koopman/pubs/koopman14_toyota_ua_s...
- skookumchuck 8y agoI don't buy it. Heck, I've even stepped on the gas instead of the brake. Besides, the brakes are much more effective than that little Toyota engine is. Try it yourself. Go full throttle and step hard on the brake. You'll stop.
- pfdietz 8y agoLook at slide 8.
- skookumchuck 8y agoWith wide open throttle, why would the power brakes lose vacuum? Vacuum is lost when the engine quits. Besides, just to stand on one foot requires 100 lbs of force exerted on your foot. If you can walk, you can do that. Pressing with 175 lbs is not a problem. The point is, the brakes can override the engine torque. Unless, of course, you're standing on the gas instead of the brake. You can also just turn the key off on a runaway engine.