Today's Message Index:
----------------------
1. 04:02 PM - Fuel valve siphoning across? (Phillip Perry)
2. 04:21 PM - Re: Fuel valve siphoning across? (Bob Leffler)
3. 04:40 PM - Re: Fuel valve siphoning across? (Carl Froehlich)
4. 04:43 PM - Re: Fuel valve siphoning across? (Neil Corella)
5. 06:14 PM - Re: Fuel valve siphoning across? (Phillip Perry)
6. 06:34 PM - Re: Fuel valve siphoning across? (Lenny Iszak)
Message 1
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| Subject: | Fuel valve siphoning across? |
I had a first time experience this weekend. We flew into Tradewind airport (Amarillo)
for the weekend and I parked the airplane on a ramp that was slightly
sloped.
Topped off the tanks, tied it down, and left it for a few days.
We got ready to leave today and I popped open the uphill-most tank to inspect fuel
levels and a good amount of fuel had disappeared. My first thought was that
it was stolen.
The downhill tank was full to the rim and dripping fuel at the vent. Judging from
the stains, it appears fuel was dripping out of the vent the entire weekend.
So, apparently I was cross feeding fuel from the uphill tank to the downhill tank,
then from the downhill tank out the vent line to the ground.
I topped off the uphill tank with 2.8 gal. When full, the vent on that tank dripped
fuel, so I knew its was not blocked.
The only path would be leakage inside the andair fuel valve body.
I have always left the fuel valve on the last tank used, as opposed to moving it
to the off position. It just seems safer that way as its one less thing to
miss that could kill you.
Heres the question, have any of you see siphoning across the andair fuel selector
valve in the -10? Is that normal or am I dealing with a leaky valve?
Phil
Sent from my iPhone
Message 2
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| Subject: | Re: Fuel valve siphoning across? |
I would have thought that to be physically impossible.
Even with a tank selected, the fuel path is to the engine, not the other ta
nk.
Keep us posted on what you find.
Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: owner-rv10-list-server@matronics.com <owner-rv10-list-server@matronic
s.com> on behalf of Phillip Perry <philperry9@gmail.com>
Sent: Sunday, June 10, 2018 7:00:22 PM
Subject: RV10-List: Fuel valve siphoning across?
I had a first time experience this weekend. We flew into Tradewind airport
(Amarillo) for the weekend and I parked the airplane on a ramp that was sl
ightly sloped.
Topped off the tanks, tied it down, and left it for a few days.
We got ready to leave today and I popped open the uphill-most tank to inspe
ct fuel levels and a good amount of fuel had disappeared. My first thought
was that it was stolen.
The downhill tank was full to the rim and dripping fuel at the vent. Judgi
ng from the stains, it appears fuel was dripping out of the vent the entire
weekend.
So, apparently I was cross feeding fuel from the uphill tank to the downhil
l tank, then from the downhill tank out the vent line to the ground.
I topped off the uphill tank with 2.8 gal. When full, the vent on that ta
nk dripped fuel, so I knew it=92s was not blocked.
The only path would be leakage inside the andair fuel valve body.
I have always left the fuel valve on the last tank used, as opposed to movi
ng it to the off position. It just seems safer that way as it=92s one les
s thing to miss that could kill you.
Here=92s the question, have any of you see siphoning across the andair fuel
selector valve in the -10? Is that normal or am I dealing with a leaky v
alve?
Phil
Sent from my iPhone
Message 3
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| Subject: | Re: Fuel valve siphoning across? |
If you leave a 90 degree throw Andair fuel valve in between the left and rig
ht tank, it will (somewhat) cross connect the tanks.
Carl
> On Jun 10, 2018, at 4:19 PM, Bob Leffler <bob@thelefflers.com> wrote:
>
> I would have thought that to be physically impossible.
>
> Even with a tank selected, the fuel path is to the engine, not the other t
ank.
>
> Keep us posted on what you find.
>
> Get Outlook for iOS
> From: owner-rv10-list-server@matronics.com <owner-rv10-list-server@matroni
cs.com> on behalf of Phillip Perry <philperry9@gmail.com>
> Sent: Sunday, June 10, 2018 7:00:22 PM
> To: rv10-list@matronics.com
> Subject: RV10-List: Fuel valve siphoning across?
>
>
> I had a first time experience this weekend. We flew into Tradewind airpor
t (Amarillo) for the weekend and I parked the airplane on a ramp that was sl
ightly sloped.
>
> Topped off the tanks, tied it down, and left it for a few days.
>
> We got ready to leave today and I popped open the uphill-most tank to insp
ect fuel levels and a good amount of fuel had disappeared. My first thought
was that it was stolen.
>
> The downhill tank was full to the rim and dripping fuel at the vent. Judg
ing from the stains, it appears fuel was dripping out of the vent the entire
weekend.
>
> So, apparently I was cross feeding fuel from the uphill tank to the downhi
ll tank, then from the downhill tank out the vent line to the ground.
>
> I topped off the uphill tank with 2.8 gal. When full, the vent on that t
ank dripped fuel, so I knew it=99s was not blocked.
>
> The only path would be leakage inside the andair fuel valve body.
>
> I have always left the fuel valve on the last tank used, as opposed to mov
ing it to the off position. It just seems safer that way as it=99s o
ne less thing to miss that could kill you.
>
> Here=99s the question, have any of you see siphoning across the anda
ir fuel selector valve in the -10? Is that normal or am I dealing with a l
eaky valve?
>
> Phil
>
>
>
>
>
>
> Sent from my iPhone
> ==========
> Email Forum -
> -List">http://www.matronics.com/Navigator?RV10-List
> ==========
> p; - MATRONICS WEB FORUMS -
> ums.matronics.com
> ==========
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> matronics.com
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>
>
>
Message 4
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| Subject: | Re: Fuel valve siphoning across? |
Yes I believe I have also. Tank levels get different depending on how plane is
parked. I always Shut valve off now. Neil
Sent from my iPhone
> On Jun 10, 2018, at 7:00 PM, Phillip Perry <philperry9@gmail.com> wrote:
>
>
> I had a first time experience this weekend. We flew into Tradewind airport (Amarillo)
for the weekend and I parked the airplane on a ramp that was slightly
sloped.
>
> Topped off the tanks, tied it down, and left it for a few days.
>
> We got ready to leave today and I popped open the uphill-most tank to inspect
fuel levels and a good amount of fuel had disappeared. My first thought was
that it was stolen.
>
> The downhill tank was full to the rim and dripping fuel at the vent. Judging
from the stains, it appears fuel was dripping out of the vent the entire weekend.
>
> So, apparently I was cross feeding fuel from the uphill tank to the downhill
tank, then from the downhill tank out the vent line to the ground.
>
> I topped off the uphill tank with 2.8 gal. When full, the vent on that tank
dripped fuel, so I knew its was not blocked.
>
> The only path would be leakage inside the andair fuel valve body.
>
> I have always left the fuel valve on the last tank used, as opposed to moving
it to the off position. It just seems safer that way as its one less thing
to miss that could kill you.
>
> Heres the question, have any of you see siphoning across the andair fuel selector
valve in the -10? Is that normal or am I dealing with a leaky valve?
>
> Phil
>
>
>
>
>
>
> Sent from my iPhone
>
>
>
Message 5
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| Subject: | Re: Fuel valve siphoning across? |
This one was in the detent, but I highly suspect it was leaking between the p
orts in the valve body housing.
Sent from my iPhone
> On Jun 10, 2018, at 6:38 PM, Carl Froehlich <carl.froehlich@verizon.net> w
rote:
>
> If you leave a 90 degree throw Andair fuel valve in between the left and r
ight tank, it will (somewhat) cross connect the tanks.
>
> Carl
>
>> On Jun 10, 2018, at 4:19 PM, Bob Leffler <bob@thelefflers.com> wrote:
>>
>> I would have thought that to be physically impossible.
>>
>> Even with a tank selected, the fuel path is to the engine, not the other t
ank.
>>
>> Keep us posted on what you find.
>>
>> Get Outlook for iOS
>>
>> From: owner-rv10-list-server@matronics.com <owner-rv10-list-server@matron
ics.com> on behalf of Phillip Perry <philperry9@gmail.com>
>> Sent: Sunday, June 10, 2018 7:00:22 PM
>> To: rv10-list@matronics.com
>> Subject: RV10-List: Fuel valve siphoning across?
>>
>>
>> I had a first time experience this weekend. We flew into Tradewind airpo
rt (Amarillo) for the weekend and I parked the airplane on a ramp that was s
lightly sloped.
>>
>> Topped off the tanks, tied it down, and left it for a few days.
>>
>> We got ready to leave today and I popped open the uphill-most tank to ins
pect fuel levels and a good amount of fuel had disappeared. My first though
t was that it was stolen.
>>
>> The downhill tank was full to the rim and dripping fuel at the vent. Jud
ging from the stains, it appears fuel was dripping out of the vent the entir
e weekend.
>>
>> So, apparently I was cross feeding fuel from the uphill tank to the downh
ill tank, then from the downhill tank out the vent line to the ground.
>>
>> I topped off the uphill tank with 2.8 gal. When full, the vent on that t
ank dripped fuel, so I knew it=99s was not blocked.
>>
>> The only path would be leakage inside the andair fuel valve body.
>>
>> I have always left the fuel valve on the last tank used, as opposed to mo
ving it to the off position. It just seems safer that way as it=99s o
ne less thing to miss that could kill you.
>>
>> Here=99s the question, have any of you see siphoning across the and
air fuel selector valve in the -10? Is that normal or am I dealing with a l
eaky valve?
>>
>> Phil
>>
>>
>>
>>
>>
>>
>> Sent from my iPhone
>> ==========
>> Email Forum -
>> -List">http://www.matronics.com/Navigator?RV10-List
>> ==========
>> p; - MATRONICS WEB FORUMS -
>> ums.matronics.com
>> ==========
>> p; - NEW MATRONICS LIST WIKI -
>> matronics.com
>> ==========
>> p; - List Contribution Web Site -
>> p; -Matt Dralle, List Admin.
>> http://www.matronics.com/contribution
>> ==========
>>
>>
>>
Message 6
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| Subject: | Re: Fuel valve siphoning across? |
Was it hot outside? I live in Florida and this happens to me often. The plane is
red and black, fuel in the tank gets hot, expands and just drips out the vents.
Lenny
> On Jun 10, 2018, at 9:11 PM, Phillip Perry <philperry9@gmail.com> wrote:
>
> This one was in the detent, but I highly suspect it was leaking between the ports
in the valve body housing.
>
> Sent from my iPhone
>
> On Jun 10, 2018, at 6:38 PM, Carl Froehlich <carl.froehlich@verizon.net> wrote:
>
>> If you leave a 90 degree throw Andair fuel valve in between the left and right
tank, it will (somewhat) cross connect the tanks.
>>
>> Carl
>>
>> On Jun 10, 2018, at 4:19 PM, Bob Leffler <bob@thelefflers.com> wrote:
>>
>>> I would have thought that to be physically impossible.
>>>
>>> Even with a tank selected, the fuel path is to the engine, not the other tank.
>>>
>>> Keep us posted on what you find.
>>>
>>> Get Outlook for iOS
>>> From: owner-rv10-list-server@matronics.com <owner-rv10-list-server@matronics.com>
on behalf of Phillip Perry <philperry9@gmail.com>
>>> Sent: Sunday, June 10, 2018 7:00:22 PM
>>> To: rv10-list@matronics.com
>>> Subject: RV10-List: Fuel valve siphoning across?
>>>
>>>
>>> I had a first time experience this weekend. We flew into Tradewind airport
(Amarillo) for the weekend and I parked the airplane on a ramp that was slightly
sloped.
>>>
>>> Topped off the tanks, tied it down, and left it for a few days.
>>>
>>> We got ready to leave today and I popped open the uphill-most tank to inspect
fuel levels and a good amount of fuel had disappeared. My first thought was
that it was stolen.
>>>
>>> The downhill tank was full to the rim and dripping fuel at the vent. Judging
from the stains, it appears fuel was dripping out of the vent the entire weekend.
>>>
>>> So, apparently I was cross feeding fuel from the uphill tank to the downhill
tank, then from the downhill tank out the vent line to the ground.
>>>
>>> I topped off the uphill tank with 2.8 gal. When full, the vent on that tank
dripped fuel, so I knew its was not blocked.
>>>
>>> The only path would be leakage inside the andair fuel valve body.
>>>
>>> I have always left the fuel valve on the last tank used, as opposed to moving
it to the off position. It just seems safer that way as its one less thing
to miss that could kill you.
>>>
>>> Heres the question, have any of you see siphoning across the andair fuel selector
valve in the -10? Is that normal or am I dealing with a leaky valve?
>>>
>>> Phil
>>>
>>>
>>>
>>>
>>>
>>>
>>> Sent from my iPhone
>>> ==========
>>> Email Forum -
>>> -List">http://www.matronics.com/Navigator?RV10-List
>>> ==========
>>> p; - MATRONICS WEB FORUMS -
>>> ums.matronics.com
>>> ==========
>>> p; - NEW MATRONICS LIST WIKI -
>>> matronics.com
>>> ==========
>>> p; - List Contribution Web Site -
>>> p; -Matt Dralle, List Admin.
>>> http://www.matronics.com/contribution
>>> ==========
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