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icubob(at)gmail.com
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 Posted: Sun Jun 03, 2012 1:06 pm Post subject: Fwd: wing tanks |
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---------- Forwarded message ----------
From: bob noffs <icubob(at)gmail.com (icubob(at)gmail.com)>
Date: Sun, Jun 3, 2012 at 4:05 PM
Subject: wing tanks
To: ffphomebuilts(at)yahoogroups.com (ffphomebuilts(at)yahoogroups.com)
i have started taking careful measurements on my fuel system and so far i have a little problem. rt. wink tank holds just under 7 gallons. sitting level it drains all but a few ounces into the cowl tank. flying is a different matter. when the tank won't drain any more there is still a little over a gallon left. i am thinking the cowl tank is pressurized by the vent facing into the breeze and it won't let the wing tank drain completely. i even went up and flew 70 mph for 10 minutes but the last gallon won't drain. any ideas? would flaring the end of the vent on the wing tank make any difference?
a couple electric pumps seems like a lot of unnecessary plumbing to get a wing tank to drain by gravity!.
bob noffs
[quote][b]
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7suds(at)Chartermi.net
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| Posted: Sun Jun 03, 2012 7:10 pm Post subject: Fwd: wing tanks |
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Bob,
I had a similar problem with my Model 4 draining from the wing tank into the panel mounted tank, I could get them to drain if I did a forward slip with that tank on the high wing.
Lloyd Cudnohufsky
Northern Mi
Model 5 912ul IVO IFA
Rebuilt Ground Loop Project
Status: Flying since November
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of bob noffs
Sent: Sunday, June 03, 2012 4:06 PM
To: kitfox-list(at)matronics.com
Subject: Fwd: wing tanks
---------- Forwarded message ----------
From: bob noffs <icubob(at)gmail.com (icubob(at)gmail.com)>
Date: Sun, Jun 3, 2012 at 4:05 PM
Subject: wing tanks
To: ffphomebuilts(at)yahoogroups.com (ffphomebuilts(at)yahoogroups.com)
i have started taking careful measurements on my fuel system and so far i have a little problem. rt. wink tank holds just under 7 gallons. sitting level it drains all but a few ounces into the cowl tank. flying is a different matter. when the tank won't drain any more there is still a little over a gallon left. i am thinking the cowl tank is pressurized by the vent facing into the breeze and it won't let the wing tank drain completely. i even went up and flew 70 mph for 10 minutes but the last gallon won't drain. any ideas? would flaring the end of the vent on the wing tank make any difference?
a couple electric pumps seems like a lot of unnecessary plumbing to get a wing tank to drain by gravity!.
bob noffs
| Quote: | | http://www.matronics.com/Navigator?Kitfox-List |
01234567
[quote][b]
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Mon Jun 04, 2012 2:48 am Post subject: Fwd: wing tanks |
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Bob-
I modified my tanks by building up an area at the front/side of the
tanks with fiberglas, then drilling and tapping for finger strainers,
and plumbed the lines down the front pillars and back to my rear-
mounted header tank.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062
Prince prop 64 x 30, P-tip
Electroair direct-fire ignition system
Rotec TBI-40 injection (sleeved to 36mm)
Status: flying with 1278 hrs... (since 3-27-2006)
On Jun 3, 2012, at 5:05 PM, bob noffs wrote:
| Quote: |
---------- Forwarded message ----------
From: bob noffs <icubob(at)gmail.com>
Date: Sun, Jun 3, 2012 at 4:05 PM
Subject: wing tanks
To: ffphomebuilts(at)yahoogroups.com
i have started taking careful measurements on my fuel system and
so far i have a little problem. rt. wink tank holds just under 7
gallons. sitting level it drains all but a few ounces into the cowl
tank. flying is a different matter. when the tank won't drain any
more there is still a little over a gallon left. i am thinking the
cowl tank is pressurized by the vent facing into the breeze and it
won't let the wing tank drain completely. i even went up and flew
70 mph for 10 minutes but the last gallon won't drain. any ideas?
would flaring the end of the vent on the wing tank make any
difference?
a couple electric pumps seems like a lot of unnecessary plumbing
to get a wing tank to drain by gravity!.
bob noffs
www.matronics.com/contribution _-
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| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Mon Jun 04, 2012 2:50 am Post subject: Fwd: wing tanks |
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I have done a similar thing, LLoyd....I have flown for several miles
with one wing high while the header tank refilled.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062
Prince prop 64 x 30, P-tip
Electroair direct-fire ignition system
Rotec TBI-40 injection (sleeved to 36mm)
Status: flying with 1278 hrs... (since 3-27-2006)
On Jun 3, 2012, at 11:10 PM, Lloyd & Lorrie Cudnohufsky wrote:
| Quote: | Bob,
I had a similar problem with my Model 4 draining from the wing tank
into the panel mounted tank, I could get them to drain if I did a
forward slip with that tank on the high wing.
Lloyd Cudnohufsky
Northern Mi
Model 5 912ul IVO IFA
Rebuilt Ground Loop Project
Status: Flying since November
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-
list-server(at)matronics.com] On Behalf Of bob noffs
Sent: Sunday, June 03, 2012 4:06 PM
To: kitfox-list(at)matronics.com
Subject: Fwd: wing tanks
---------- Forwarded message ----------
From: bob noffs <icubob(at)gmail.com>
Date: Sun, Jun 3, 2012 at 4:05 PM
Subject: wing tanks
To: ffphomebuilts(at)yahoogroups.com
i have started taking careful measurements on my fuel system and
so far i have a little problem. rt. wink tank holds just under 7
gallons. sitting level it drains all but a few ounces into the cowl
tank. flying is a different matter. when the tank won't drain any
more there is still a little over a gallon left. i am thinking the
cowl tank is pressurized by the vent facing into the breeze and it
won't let the wing tank drain completely. i even went up and flew
70 mph for 10 minutes but the last gallon won't drain. any ideas?
would flaring the end of the vent on the wing tank make any
difference?
a couple electric pumps seems like a lot of unnecessary plumbing
to get a wing tank to drain by gravity!.
bob noffs
http://www.matronics.com/Navigator?Kitfox-Listhttp://
forums.matronics.comhttp://www.matronics.com/contribution
============================================================ _-
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contribution_-
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| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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