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At 01:24 PM 4/19/02 -0500, [EMAIL PROTECTED] wrote: > Two lessons learned I want to share > > Vapor lock caused the incident and I've permanently switched to 100LL. I wouldn't become too complacent that you've found the real problem. The RVP (Reid Vapor Pressure) of good auto fuel isn't that much different than avgas. Rather than automatically blaming the auto-fuel, you should investigate whether a fuel line is mis-routed or damaged. In particular, pay attention to the fuel lines' location relative to the exhaust manifold. Furthermore, vapor-lock is one of those things, like carb-ice, that is difficult to prove. It goes away. It's a default diagnosis. Do you *know* that it wasn't some sort of crud in your fuel system? Are you *sure* that the header tank is clean and free of water and debris? When's the last time the carb was re-built? Is it a Marvel carb with the two-piece venturi? Some of those were problematic. If you had 1000RPM, I doubt that you had 'vapor lock.' Vapor lock is just that... a lock. No fuel is moving. And it is very rare in gravity-fed airplanes because, well, bubbles bubble up and liquid flows down. Rather, it sounds a whole lot like somehow your high-speed jet got blocked. Some mechanics are going to be all-too-willing to blame auto fuel. Everyone's entitled to his or her opinion, of course. The problem is, by blaming what might not be the problem, they're apt to stop looking for the real culprit, which might bite you again later on. In sum, I think the incident bears closer examination. >President Bush was right. In a world of random odds, it had to happen eventually. >With the cooperative spirit and automatic response we have to help each >other (all out when neccesary) are what make this country a place to be >proud of and part of. Above all, pilots are good people, most of whom will do anything they can to help their fellows. Greg ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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