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From: ron@brl-sem.ARPA (Ron Natalie )
Newsgroups: net.aviation
Subject: Re: Deadstick-  Straight-Tail 150 Engine Failure
Message-ID: <474@brl-sem.ARPA>
Date: Sat, 2-Nov-85 23:59:20 EST
Article-I.D.: brl-sem.474
Posted: Sat Nov  2 23:59:20 1985
Date-Received: Tue, 5-Nov-85 05:35:56 EST
References: <322@ssc-vax.UUCP>
Distribution: net
Organization: Ballistic Research Lab
Lines: 34

> 
> Now, one thing I haven't mentioned yet... I had a malfunctioning airspeed
> indicator.  One reason I'd gone to the other airport was to have my
> mechanic look at it.  He wasn't there.  Sigh...
> 
Nothing like obeying the FARs, eh.

> I pulled out the old trusty tester, and took a sample from the right tank.
> 100% water.  Second sample... 100% water.  Finally, using a clear tube and
> a old oil can, I drained *at least* a full gallon of scummy water from the
> fuel tank before red 80 octane appeared.  I started using the sampler
> again, and, 10 minutes later, I was getting pure samples.  I remembered the
> C-182 AD note about "Rock and Roll" preflight fuel checking, and waggled
> the wings.  50% water.  I took ***2 1/2 HOURS*** to completely purge the
> water from the fuel, using the "Rock and Roll" method, and the small
> sampler.
> 
Crap, my car won't take that kind of water contaminiation, let alone the
airplane.  You should nuke that FBO.

> 
> 3.  Another guy pulled up in a 150 and asked what I was up to.  I drained a
> 100% water sample.  His response?  "Yeah, I use autogas, too."
> Lesson #3:  Autogas might be cheap, but so are pine boxes.  It may seem
> silly to pay 50 cents a gallon for some red dye, but it does make SEEING
> the water easier... or telling the difference between a sample of fuel and
> a sample of water.  Autogas is clear, just like water.
> 
Autogas is died orange (except for Sunoco, for some reason which is blue).
The dies are designed to cancel each other out if you mix fuels.  If you
had both 80 Octane and Autogas in your plane, it would appear clear.  The
same thing would happen if you mixed 80 and 100LL.

-Ron