REFLECTOR: Fuel Flow Sensor

[Jim Sower]

NOT a wives' tale.  Don't know about yours, but my sump feeds the engine 
out of the TOP of the sump.  Standpipe cheats off the bottom half an 
inch, goes out the top of the sump and drops down (that's where I have 
my fuel flow - at present!) and on to boost pump.  Potential is there 
for vapor or air getting into system.  I'm seriously considering 
drawing  the fuel to the engine out of the bottom (or nearly so) of the 
sump.  Definitely if I switch to  a rotary.  The Cozy list just lost a 
guy who had fueling problems on his SQ200/13B.  He had a sure 'nuff 
vapor lock power failure (as near as can be determined) and another 
power failure after he [evidently] fixed the first problem that did him 
in. 

Be VERY careful about vapor lock / air in the system ... Jim S.

Brett Ferrell wrote:

> I agree that it should be fine, there is a note in the sensor section 
> of this month's Kitplanes that claims the issue is vapor lock due to 
> the sensor being on the suction side.  That *could* be an issue, but 
> sounds like a wives tale to me.
>
> Brett
>
> ----- Original Message ----- From: "Scott Derrick" <scott at tnstaafl.net>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Thursday, June 30, 2005 8:59 PM
> Subject: Re: REFLECTOR: Fuel Flow Sensor
>
>
>> As TEC says,  the fuel flow should be right before the divider.
>>
>> Scott
>>
>> HYTEC45 at aol.com wrote:
>>
>>> Know nothing about a "auto" installation, or your type of fuel 
>>> injection, BUT can you place it just upstream of the divider leading 
>>> to the injectors?  I placed mine between the servo and flow divder.  
>>> This meeters the actual flow going to the injectors.
>>>  TEC
>>>
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>
>
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