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Date: Fri, 18 Feb 2005 23:06:42 -0600
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Water in the fuel
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Might help to stay where it doesn't get too cold ...

daveleonard@cox.net wrote:

>Tom, the pickup is in the lower rear corner of the tank.  I would let it sit overnight to be sure all the water had time to collect (traverse the entire tank).  Most of that glob will be sucked up as soon as I turn on the pump, but you are right that some additional amount may get sucked up when the tail comes up, so I will be careful.  Perhaps a taxi only test.
>
>The point of this test is to show that the 50 gph of fuel flow is enough to mix in any water.  If I can't pass this test with flying colors, then I need to put the drain plugs back in.
>
>Dave Leonard
>
>  
>
>>Dave,
>>What's the point of letting it set overnight?   Are you running mogas with alcohol and expect it to mix in?        If it doesn't mix in and just sits on the bottom in a glop, when are you gonna conclude that you've consumed it and it's not just sitting off somewhere on the bottom?  (other than the engine sputtering and going quiet)
>> 
>>Your RV has diehedral.  Where's your fuel pickup, how far from the bottom of the tank?   If it's a taildragger the water glop would sit to the rear of the tank until you got the tail up. 
>> 
>>Be careful
>>Tom
>> 
>> 
>> 
>>
>>
>>daveleonard@cox.net wrote:
>>Heresy it it, but before I go to my lynching I think I would like to try a little magic. Next time I get the chance, I am going to POUR one full cup of water into my gas tank. I will let it set overnight. Then I will attempt to start the engine without draining the fuel. If my magic works, the engine will start an run just fine after a few seconds of running the pump. If the test fails, I will put the drain plugs back in (and eat a crow).
>>
>>Dave Leonard
>>
>>    
>>
>>>>I never drain my fuel. I even took out the drain plugs.
>>>>
>>>>JMHO,
>>>>Dave Leonard
>>>>        
>>>>
>>>HERESY!! (but it does make sense - assuming you only have a little
>>>water; i.e. not a leaky gap cap!) I think I'll still check...
>>>
>>>Joe Hull
>>>Bellevue (Seattle), Washington
>>>Cozy MkIV #991 (working on Engine & Electrical & Finishing)
>>>http://www.maddyhome.com/canardpages/pages/JoeHull/index.html
>>>
>>>
>>>
>>>      
>>>
>>>>>Homepage: http://www.flyrotary.com/
>>>>>Archive: http://lancaironline.net/lists/flyrotary/List.html
>>>>>          
>>>>>
>>    
>>
>>>>Homepage: http://www.flyrotary.com/
>>>>Archive: http://lancaironline.net/lists/flyrotary/List.html
>>>>        
>>>>
>>		
>>---------------------------------
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>>    
>>
>
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>>> Homepage:  http://www.flyrotary.com/
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