Today's Message Index:
----------------------
1. 04:46 AM - Re: Fuel Leak Once More from Starboard Tank (Schroeder, Bob (Parts Clerk))
2. 04:46 AM - Re: Fuel Leak Once More from Starboard Tank (Schroeder, Bob (Parts Clerk))
3. 05:24 AM - Re: Fuel Leak Once More from Starboard Tank (Schroeder, Bob (Parts Clerk))
4. 12:16 PM - Re: Fuel Leak Once More from Starboard Tank (Jay Pearlman)
5. 12:39 PM - Re: Fuel Leak Once More from Starboard Tank (Schroeder, Bob (Parts Clerk))
6. 12:41 PM - Performance of RV-6 With Lycoming O-320-D3G and Sensenich 70CM6 (George Nielsen)
7. 12:51 PM - Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich 70CM6 (Nels Hanson)
8. 02:47 PM - Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich 70CM6 (Charlie England)
9. 03:34 PM - Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich 70CM6 (Charlie England)
Message 1
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| Subject: | Fuel Leak Once More from Starboard Tank |
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Message 2
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| Subject: | Fuel Leak Once More from Starboard Tank |
George I will look and see what I have and get them to you!
-----Original Message-----
From: owner-rv6-list-server@matronics.com [mailto:owner-rv6-list-server@matronics.com] On Behalf Of George Nielsen
Sent: Sunday, April 12, 2015 2:43 PM
Subject: Re: RV6-List: Fuel Leak Once More from Starboard Tank
Bob, thank you very much for your reply.
If you happen to have any pictures of the places or parts which you repaired I
would be grateful if you could send one or two.
George
On 12/04/2015 20:28, Schroeder, Bob (Parts Clerk) wrote:
> --> <BSchroeder@rideuta.com>
>
> George, I too have had fuel leaks in both of my tanks. You can purchase complete
fuel tanks (at least you used to be able to) but you would probably have to
buy both. For me was able to remove the tanks and repair them. the one side
was just a gasket and the other side was leaking at the forward fuselage bracket
mount. I removed the cover and cleaned and then reprosealed all around the
bracket inside and out. it took a half to remove the tank then a couple of hours
to ascertain, clean and proseal the bracket. we used a vacuum to try to draw
proseal into any voids that may have been present. Then I waited a couple days
for the proseal to set up. Then we tested and confirmed that it was seal, another
hour to install the tank and voila, it has been holding very well in the
two years since the repair. For my money that is the route that I would go to
have a dependable tank and another couple hours of range. Just my two cents!
> Good luck,
> Bob
>
> -----Original Message-----
> From: owner-rv6-list-server@matronics.com
> [mailto:owner-rv6-list-server@matronics.com] On Behalf Of George
> Nielsen
> Sent: Sunday, April 12, 2015 11:54 AM
> To: rv6-list@matronics.com
> Subject: RV6-List: Fuel Leak Once More from Starboard Tank
>
>
> Four years ago my starboard fuel tank leaked. this resulted in the dripping of
fuel. I had the tank sealed from the outside by a company.
> It is supposed to be able to withstand Avgas, Mogas and fuel which contains ethanol.
This seemed to have solved the problem. Until late last year, when I noticed
a smell of fuel in the cockpit. I sealed and tightened all the fuel lines.
but this did not help.
>
> Today I noticed that at the lower aft starboard wing root some paint has flaked
off. I am afraid that it has begun to corrode. I was told that this was caused
by a fuel leak. At least this time one cannot see any dripping. However, I
hardly dare fill up the tank. When I filled a lot of fuel in this tank I had
the impression that the smell in the cockpit got stronger.
>
> Does anyone know what I can do, short term or long term, to solve or at least
reduce this problem? I reckon that the simplest thing would be to drain this
tank and only fly on the port tank. If anyone knows of a replacement tank perhaps
I could remove my tank and install the replacement.
>
> Thanks for your replies.
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
>
Message 3
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| Subject: | Fuel Leak Once More from Starboard Tank |
George, I couldn't find any pictures of my own fuel tank problem, but this
picture that I got off the net (I hope that is not a problem )illustrates t
he areas that I had trouble with. The gasket under the access cover leaked
(probably because I installed it dry originally) and then the other area wh
ich is at the bottom of the picture is where I had the most problem. This i
s where the bracket to tie the tank to the fuse is installed. i was able to
remove the access cover (after removing the tank from the wing) and as Cha
rlie said clean it, scotchbrite it, clean it some more and reproseal. This
after you've pressure tested the tank to verify where the leak is. Make sur
e that you seal the screws that fasten the access cover on the tank as thos
e have been known to leak if not sealed.
Cheers!
-----Original Message-----
From: owner-rv6-list-server@matronics.com [mailto:owner-rv6-list-server@mat
ronics.com] On Behalf Of George Nielsen
Sent: Sunday, April 12, 2015 2:43 PM
Subject: Re: RV6-List: Fuel Leak Once More from Starboard Tank
Bob, thank you very much for your reply.
If you happen to have any pictures of the places or parts which you repaire
d I would be grateful if you could send one or two.
George
On 12/04/2015 20:28, Schroeder, Bob (Parts Clerk) wrote:
> --> <BSchroeder@rideuta.com>
>
> George, I too have had fuel leaks in both of my tanks. You can purchase c
omplete fuel tanks (at least you used to be able to) but you would probably
have to buy both. For me was able to remove the tanks and repair them. the
one side was just a gasket and the other side was leaking at the forward f
uselage bracket mount. I removed the cover and cleaned and then reprosealed
all around the bracket inside and out. it took a half to remove the tank t
hen a couple of hours to ascertain, clean and proseal the bracket. we used
a vacuum to try to draw proseal into any voids that may have been present.
Then I waited a couple days for the proseal to set up. Then we tested and c
onfirmed that it was seal, another hour to install the tank and voila, it h
as been holding very well in the two years since the repair. For my money t
hat is the route that I would go to have a dependable tank and another coup
le hours of range. Just my two cents!
> Good luck,
> Bob
>
> -----Original Message-----
> From: owner-rv6-list-server@matronics.com
> [mailto:owner-rv6-list-server@matronics.com] On Behalf Of George
> Nielsen
> Sent: Sunday, April 12, 2015 11:54 AM
> To: rv6-list@matronics.com
> Subject: RV6-List: Fuel Leak Once More from Starboard Tank
>
>
> Four years ago my starboard fuel tank leaked. this resulted in the drippi
ng of fuel. I had the tank sealed from the outside by a company.
> It is supposed to be able to withstand Avgas, Mogas and fuel which contai
ns ethanol. This seemed to have solved the problem. Until late last year, w
hen I noticed a smell of fuel in the cockpit. I sealed and tightened all th
e fuel lines. but this did not help.
>
> Today I noticed that at the lower aft starboard wing root some paint has
flaked off. I am afraid that it has begun to corrode. I was told that this
was caused by a fuel leak. At least this time one cannot see any dripping.
However, I hardly dare fill up the tank. When I filled a lot of fuel in thi
s tank I had the impression that the smell in the cockpit got stronger.
>
> Does anyone know what I can do, short term or long term, to solve or at l
east reduce this problem? I reckon that the simplest thing would be to drai
n this tank and only fly on the port tank. If anyone knows of a replacement
tank perhaps I could remove my tank and install the replacement.
>
> Thanks for your replies.
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
>
Message 4
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| Subject: | Re: Fuel Leak Once More from Starboard Tank |
George,The newer instructions for the RV say=C2-that the cover with the f
uel=C2-gauge should not have a gasket, but should be pro sealed. The pro
sealed cover should bee able to be removed with a heat gun if necessary. I
suggest that you look on the vans air force forum. There are many discussio
ns for rising leaks and many are from experience.=C2-VAF Forums
| =C2- |
| =C2- | | =C2- | =C2- | =C2- | =C2- | =C2- |
| VAF ForumsDoug Reeves' VAF Forums - Where fans of Van's Aircraft kitplane
s hang out on the web. |
| |
| View on www.vansairforce.com | Preview by Yahoo |
| |
| =C2- |
=C2-
From: "Schroeder, Bob (Parts Clerk)" <BSchroeder@rideuta.com>
To: "'rv6-list@matronics.com'" <rv6-list@matronics.com>
Sent: Monday, April 13, 2015 5:24 AM
Subject: RE: RV6-List: Fuel Leak Once More from Starboard Tank
George, I couldn't find any pictures of my own fuel tank problem, but this
picture that I got off the net (I hope that is not a problem )illustrates t
he areas that I had trouble with. The gasket under the access cover leaked
(probably because I installed it dry originally) and then the other area wh
ich is at the bottom of the picture is where I had the most problem. This i
s where the bracket to tie the tank to the fuse is installed. i was able to
remove the access cover (after removing the tank from the wing) and as Cha
rlie said clean it, scotchbrite it, clean it some more and reproseal. This
after you've pressure tested the tank to verify where the leak is. Make sur
e that you seal the screws that fasten the access cover on the tank as thos
e have been known to leak if not sealed.
Cheers!
-----Original Message-----
From: owner-rv6-list-server@matronics.com [mailto:owner-rv6-list-server@mat
ronics.com] On Behalf Of George Nielsen
Sent: Sunday, April 12, 2015 2:43 PM
Subject: Re: RV6-List: Fuel Leak Once More from Starboard Tank
Bob, thank you very much for your reply.
If you happen to have any pictures of the places or parts which you repaire
d I would be grateful if you could send one or two.
George
On 12/04/2015 20:28, Schroeder, Bob (Parts Clerk) wrote:
> --> <BSchroeder@rideuta.com>
>
> George, I too have had fuel leaks in both of my tanks. You can purchase c
omplete fuel tanks (at least you used to be able to) but you would probably
have to buy both. For me was able to remove the tanks and repair them. the
one side was just a gasket and the other side was leaking at the forward f
uselage bracket mount. I removed the cover and cleaned and then reprosealed
all around the bracket inside and out. it took a half to remove the tank t
hen a couple of hours to ascertain, clean and proseal the bracket. we used
a vacuum to try to draw proseal into any voids that may have been present.
Then I waited a couple days for the proseal to set up. Then we tested and c
onfirmed that it was seal, another hour to install the tank and voila, it h
as been holding very well in the two years since the repair. For my money t
hat is the route that I would go to have a dependable tank and another coup
le hours of range. Just my two cents!
> Good luck,
> =C2-=C2-=C2- Bob
>
> -----Original Message-----
> From: owner-rv6-list-server@matronics.com
> [mailto:owner-rv6-list-server@matronics.com] On Behalf Of George
> Nielsen
> Sent: Sunday, April 12, 2015 11:54 AM
> To: rv6-list@matronics.com
> Subject: RV6-List: Fuel Leak Once More from Starboard Tank
>
>
> Four years ago my starboard fuel tank leaked. this resulted in the drippi
ng of fuel. I had the tank sealed from the outside by a company.
> It is supposed to be able to withstand Avgas, Mogas and fuel which contai
ns ethanol. This seemed to have solved the problem. Until late last year, w
hen I noticed a smell of fuel in the cockpit. I sealed and tightened all th
e fuel lines. but this did not help.
>
> Today I noticed that at the lower aft starboard wing root some paint has
flaked off. I am afraid that it has begun to corrode. I was told that this
was caused by a fuel leak. At least this time one cannot see any dripping.
However, I hardly dare fill up the tank. When I filled a lot of fuel in thi
s tank I had the impression that the smell in the cockpit got stronger.
>
> Does anyone know what I can do, short term or long term, to solve or at l
east reduce this problem? I reckon that the simplest thing would be to drai
n this tank and only fly on the port tank. If anyone knows of a replacement
tank perhaps I could remove my tank and install the replacement.
>
> Thanks for your replies.
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
>
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| Subject: | Fuel Leak Once More from Starboard Tank |
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Message 6
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| Subject: | Performance of RV-6 With Lycoming O-320-D3G and Sensenich 70CM6 |
Does anyone have information about the following aspects for an RV-6
With Lycoming O-320-D3G engine and Sensenich 70CM6 propeller:
- cruising speed performances at 55% 65% 75%
*Cruise Performance at 8,000':*
*KTAS*
*RPM*
*MAP*
*Fuel Flow*
*% Power*
75%
65%
55%
- take off and landing performance at different load , temperature and
surface (grass or concrete) at sea level , at 30C or 90F on a grass
strip , what is for you the size of runway required ?
The above are examples.
Thanks to all of you who have answered all the questions which I have
come up with and thanking in advance for any replies
George Nielsen
RV-6 PH-XGN
The Hague, the Netherlands
Message 7
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| Subject: | Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich |
70CM6
Used to use a 1,100 ft grass strip. Elevation 600 MSL. With zero wind I ne
ver took off when it was 80 degrees F. Or higher. One person full fuel load.
0-320 with a fixed wood prop.
Sent from my iPhone
> On Apr 13, 2015, at 2:41 PM, George Nielsen <genie@swissmail.org> wrote:
>
> Does anyone have information about the following aspects for an RV-6 With
Lycoming O-320-D3G engine and Sensenich 70CM6 propeller:
>
> - cruising speed performances at 55% 65% 75%
> Cruise Performance at 8,000=99:
>
> KTAS
>
> RPM
>
> MAP
>
> Fuel Flow
>
> % Power
>
>
>
>
>
>
>
>
>
> 75%
>
>
>
>
>
>
>
>
>
> 65%
>
>
>
>
>
>
>
>
>
> 55%
>
>
> - take off and landing performance at different load , temperature and sur
face (grass or concrete) at sea level , at 30=C2=B0C or 90=C2=B0F on a grass
strip , what is for you the size of runway required ?
>
> The above are examples.
>
> Thanks to all of you who have answered all the questions which I have come
up with and thanking in advance for any replies
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
Message 8
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| Subject: | Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich |
70CM6
On 4/13/2015 2:41 PM, George Nielsen wrote:
> Does anyone have information about the following aspects for an RV-6
> With Lycoming O-320-D3G engine and Sensenich 70CM6 propeller:
>
> - cruising speed performances at 55% 65% 75%
>
> *Cruise Performance at 8,000:*
>
> *KTAS*
>
>
>
> *RPM*
>
>
>
> *MAP*
>
>
>
> *Fuel Flow*
>
>
>
> *% Power*
>
>
>
>
>
>
>
>
>
> 75%
>
>
>
>
>
>
>
>
>
> 65%
>
>
>
>
>
>
>
>
>
> 55%
>
>
> - take off and landing performance at different load , temperature and
> surface (grass or concrete) at sea level , at 30C or 90F on a grass
> strip , what is for you the size of runway required ?
>
> The above are examples.
>
> Thanks to all of you who have answered all the questions which I have
> come up with and thanking in advance for any replies
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
*Van's takeoff, climb, and cruise numbers for a given HP engine and
gross weight are pretty accurate.
The charts in Lycoming performance manuals are usually accurate, also,
for HP/fuel burn at various settings. 75% power in a Lyc will burn
almost exactly .45 pounds per HP per hour. Fuel injection and electronic
ignition will improve that slightly, but don't believe the miracle
numbers some publish. For example, some will talk about their normally
aspirated Lyc making xx HP at 75% power at 12,000 feet altitude. Cannot
happen without suspending the laws of physics. Or, 75% power 8,000 feet
altitude and 2400 rpm. Again, can't happen. *
What matters is what your particular plane will do. Load to gross
weight, and practice max performance takeoffs & climbs. If they come
close to Van's numbers, then you can explore cruise numbers. 7500-8000
feet, full throttle and 2700 rpm at Lyc's spec'd temps will give you
accurate 75% power cruise numbers. If they don't match Van's numbers
pretty closely, then you may have cooling drag, trim drag, etc issues.
FWIW,
Charlie
Message 9
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| Subject: | Re: Performance of RV-6 With Lycoming O-320-D3G and Sensenich |
70CM6
On April 13, 2015 4:47:03 PM CDT, Charlie England <ceengland7@gmail.com> wrote:
>On 4/13/2015 2:41 PM, George Nielsen wrote:
>> Does anyone have information about the following aspects for an RV-6
>> With Lycoming O-320-D3G engine and Sensenich 70CM6 propeller:
>>
>> - cruising speed performances at 55% 65% 75%
>>
>> *Cruise Performance at 8,000:*
>>
>> *KTAS*
>>
>>
>>
>> *RPM*
>>
>>
>>
>> *MAP*
>>
>>
>>
>> *Fuel Flow*
>>
>>
>>
>> *% Power*
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> 75%
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> 65%
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> 55%
>>
>>
>> - take off and landing performance at different load , temperature
>and
>> surface (grass or concrete) at sea level , at 30C or 90F on a grass
>
>> strip , what is for you the size of runway required ?
>>
>> The above are examples.
>>
>> Thanks to all of you who have answered all the questions which I have
>
>> come up with and thanking in advance for any replies
>>
>> George Nielsen
>> RV-6 PH-XGN
>> The Hague, the Netherlands
>>
>*Van's takeoff, climb, and cruise numbers for a given HP engine and
>gross weight are pretty accurate.
>
>The charts in Lycoming performance manuals are usually accurate, also,
>for HP/fuel burn at various settings. 75% power in a Lyc will burn
>almost exactly .45 pounds per HP per hour. Fuel injection and
>electronic
>ignition will improve that slightly, but don't believe the miracle
>numbers some publish. For example, some will talk about their normally
>aspirated Lyc making xx HP at 75% power at 12,000 feet altitude. Cannot
>
>happen without suspending the laws of physics. Or, 75% power 8,000 feet
>
>altitude and 2400 rpm. Again, can't happen. *
>
>What matters is what your particular plane will do. Load to gross
>weight, and practice max performance takeoffs & climbs. If they come
>close to Van's numbers, then you can explore cruise numbers. 7500-8000
>feet, full throttle and 2700 rpm at Lyc's spec'd temps will give you
>accurate 75% power cruise numbers. If they don't match Van's numbers
>pretty closely, then you may have cooling drag, trim drag, etc issues.
>
>FWIW,
>
>Charlie
Forgot to add: the fixed pitch metal Senn. Props for O320s aren't allowed to make
75% at 8000 feet, because of their 2600 rpm limit. 75% at that altitude requires
full throttle and 2700 rpm.
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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