REFLECTOR: Fuel venting issue

[Brett Ferrell]

Then it's a good thing it's not open to the cabin.  The check valve only 
allows air from the cabin into the tanks....

B

Scott Derrick wrote:
> I have a hard time feeling good about having a fuel vent line open to 
> the interior of the cabin...
>
> Scott
>
> Alex Balic wrote:
>> The check valve is located inside the plane and above the level of the fuel
>> in the tanks (right up at the roof- it T's into the vent system, so fi the
>> external vent fails, it will open and allow air into the tanks from the
>> cabin- but not let fuel/fumes out into the cabin.
>>
>> -----Original Message-----
>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>> Behalf Of David Staten
>> Sent: Sunday, July 01, 2007 12:49 PM
>> To: Velocity Aircraft Owners and Builders list
>> Subject: Re: REFLECTOR: Fuel venting issue
>>
>> If the check valve is on the same line that is theoretically blocked by 
>> ice or mud, how is it able to prevent ANYTHING? An obstructed vent is an 
>> obstructed vent.
>>
>> Dave
>>
>> Brett Ferrell wrote:
>>
>>   
>>> The check valve is actually there to prevent tank collapse should the 
>>> vent line become blocked (by say a mud-dauber or ice accumulation).  
>>> I've seen a 15,000 gallon steel tank collapse by a plugged vent, and 
>>> it's not pretty...
>>>
>>> B
>>>
>>> Scott Derrick wrot

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