Today's Message Index:
----------------------
1. 09:25 AM - Re: V-Speed question and placard question (Guy Buchanan)
2. 11:44 AM - Re: Near disaster (JetPilot)
3. 12:00 PM - Re: dang volcanos (JetPilot)
4. 02:36 PM - Re: Near disaster (Roger Lee)
5. 03:51 PM - Re: Re: - now Compass Card (Noel Loveys)
6. 04:03 PM - Re: Re: - now Compass Card (Noel Loveys)
7. 04:11 PM - Re: Re: - now Compass Card (Noel Loveys)
8. 04:14 PM - Re: Compass errors (Noel Loveys)
9. 04:46 PM - 912 Fuel pump required (Paul Franz - Merlin GT)
10. 05:41 PM - Re: Wing Strut Fairings (Lowell Fitt)
11. 05:52 PM - Re: Wing Strut Fairings (Lowell Fitt)
12. 06:15 PM - Re: Re: Near disaster (Lowell Fitt)
13. 10:46 PM - FLOSS Fight Simulator (Paul Franz - Merlin GT)
Message 1
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| Subject: | Re: V-Speed question and placard question |
At 10:48 AM 3/29/2009, you wrote:
> Does anyone have a list of the V-Speeds for a 912 Kitfox Speedster?
Well I finally got out to the airport to recover Ed Downs' "Kitfox
Pilot's Guide" only to find there's no listing of performance
information for a Speedster. Bummer. Here's what I have for a Kitfox Classic 4:
Vfe = 70 mph. Vno = 95 mph. Vne = 125 mph.
Now I have been told that Vne for a Speedster is 140 mph, but I have
no data to confirm that. Obviously the others may be quite different as well.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 300 hrs. and counting
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| Subject: | Re: Near disaster |
darinh wrote:
> I agree with Deke...there is no need for filters before the header tank. When
I say I have 3 filters, I am including my finger strainers as one. I have an
Earl's filter before the pumps and a final filter forward of the firewall just
before it goes into the pressure regulator. Had my final filter not been there,
all that disintegrated hose material would have ended up in my pressure
regulator and carbs so it did serve a purpose. After changing the hose, it is
probably overkill to have the last filter but it is there.
What kind of pressure regulator do you use ? Do you have a 912 ? This is the
first I have heard about putting a pressure regulator in the fuel line before
the 912, am I missing something ?
Mike
--------
"NO FEAR" - If you have no fear you did not go as fast as you could
have !!!
Kolb MK-III Xtra, 912-S
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=237070#237070
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| Subject: | Re: dang volcanos |
That sucks, volcanic ash is really horrible on engines very abrasive, and bad for
just about everything else that make life fun !! Do you think you might have
worn your rings and cylinders ? Could you see a cloud coming, or did it just
start raining down ? What did your air filter look like when you got back
? The tracks through the snow look awesome though, almost like glowing tracks
!
Nice pictures as always Leonard, that is just an amazing area to live and fly.
I wish you spent less time having fun and more time posting videos and pictures
for the rest of us [Wink]
Mike
--------
"NO FEAR" - If you have no fear you did not go as fast as you could
have !!!
Kolb MK-III Xtra, 912-S
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=237072#237072
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| Subject: | Re: Near disaster |
Hi Mike,
Maybe it was a misquote. There should be no pressure regulator on the 912. You
should how ever be at least using the Rotax manual operated pump on the side of
the gearbox. It supplies the correct pressure to the carbs. (2.2 - 5.8 psi).
Just a gravity fed system would have to be tested for delivered pressure, but
I would bet it is too low and because of that during certain flight maneuvers
starve the carbs. If you have a low feeding tank then a back up Facet fuel pump
rated at the proper psi should be plumbed in parallel as a back up. The manual
fuel pump was installed for a reason and should not be removed. My FD CT is
a high wing and could operate off a gravity feed, but it should not. When the
pump fails it fails open. Plus you are supposed to have a recirculating line
to help prevent vapor lock. The fuel pump is in the system to help circulate
the fuel. With Rotax having spent millions of dollars and millions of hours testing
their engine and helped fix all the owner messed up engines why would anyone
want to be a test subject with an $18K engine?
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=237107#237107
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| Subject: | Re: - now Compass Card |
Two minor problems with that.
One: The sun is continually moving across the sky not in a straight line but
in and arc and by the time you are ready to turn 90 deg the sun has moved.
Even on Jun 21, the summer solstice, you really should make allowances for
sun movement between movements of the plane. The shadows are good enough
for government work... sometimes.
Two: Only at high solar noon is the sun in the northern hemisphere is the
sun due south so shadows fall due north true. That is the only time you
can, without navigational charts, a sextant and an accurate clock determine
true north and then decipher the direction of magnetic north. While I agree
Dave's method will give a workable swing I wouldn't use it to sign off any
certified aircraft. It all goes back to the question of how much accuracy
do you need? I guess that is why you see so many planes around with a 0
correction for north. I've done many swings and to date I have never seen
one come out with a 0 north correction. I think once I saw a 0 correction
for 135 M / 315M. And amazingly I think one direction there was off less
than a degree.
Having said that I think I would trust a swing that Dave would do on his own
land as he has been there long enough to estimate magnetic north within a
degree or two. I know on my land i know from just about every part of the
lot where true north is... Magnetic north is (around) 22 degrees less.
Noel
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Paul Franz -
Merlin GT
Sent: Monday, March 30, 2009 4:13 PM
Subject: RE: Kitfox-List: Re: - now Compass Card
<paul@eucleides.com>
On Mon, March 30, 2009 9:01 am, Noel Loveys wrote:
> The correct procedure for setting a compass is to turn the plane to
Magnetic
> North. Zero the deviation in the compass using either a brass or non
> ferrous screwdriver. Engines should be turning at cruise rpm and all
> avionics used in flight should be on for all adjustments/readings..
> Turn the plane to magnetic 90 deg. And zero the compass deviation.
> Turn the plane 180 M and remove half the deviation on the NS corrector.
> Turn the plane 270M and remove half the deviation on the E-W corrector.
> Now you are ready to turn the plane to magnetic north again and start
> filling out the compass card.
You don't even need a compass rose. Explanation is nicely described in the
link that
dave@cfisher.com provided:
<http://cfisher.com/compass.htm>
If you have a DG then you don't need any reference lines at all. Further
more, if you
are able to adjust the deviation to zero in both the N-S and E-W directions,
there
will be no deviation at any other headings.
So, given your proper preparation instructions and carefully heading either
north or
south on the compass and setting the DG to this track then turning 180 deg
by the DG
and take out half the deviation then repeat going 180 deg again taking out
half the
deviation. When there is none to take out, switch to doing it in an E-W
direction.
When you have zero deviation in both N-S and E-W there will be no deviation
at all in
any heading.
> The parallax correction I mentioned has to do with the fact the line on
the
> compass is on the glass several centimetres from the actual compass cage
> itself. From the left seat, lean forward and you will line up a couple of
> degrees higher lean back and you are going to read a couple of degrees
> lower.
Ah, thanks. I get it now. I just didn't visualize what parallax you were
talking about.
> The hardest plane to do a swing on is a float plane. If you do the swing
> while the plane is on a dolly you have introduced an error.
Should be easier than with a plane on land if you have a DG. Get to the
middle of a
lake, away from buildings and other possibly magnetic objects might be
easier on a
lake. A few people have observed that the compass deviation isn't noticeably
different
from idle to cruise power so just moving in a straight line is about all you
need to
do.
--
Paul A. Franz
Registration/Aircraft - N14UW/Merlin GT
Engine/Prop - Rotax 914/NSI CAP
Bellevue WA
425.241.1618 Cell
Norman Mattoon Thomas (November 20, 1884 to December 19, 1968) was a
leading American socialist, pacifist, and six-time presidential
candidate for the Socialist Party of America. The Socialist Party
candidate for President of the U.S., Norman Thomas, said this in a
1944 speech:
"The American people will never knowingly adopt socialism. But,
under the name of "liberalism," they will adopt every fragment of
the socialist program, until one day America will be a socialist
nation, without knowing how it happened!"
He went on to say: "I no longer need to run as a Presidential
Candidate for the Socialist Party. The Democrat Party has adopted
our platform."
*******
"Barely two months into his Presidency, Obama is wreaking havoc,
crippling the nation, oblivious to consequences and monumentally
arrogant, believing the timbre of his voice and the manipulation of
the media will win public confidence until the socialist utopia he
believes in comes to fruition. Who knows how bad it will be in a
year, let alone four?"
-- columnist Lance Fairchok
"The problem with socialism is that you eventually run out of other people's
money."
~~Margaret Thatcher~~
Message 6
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| Subject: | Re: - now Compass Card |
No GPS (I generally leave it in the car) and a pencil line with a 2H on the
VNC. I usually mark the magnetic headings I'll use on the chart, (VFR
Navigation Chart) but I fly by the track I visualize on the ground. I find
when flying a compass bearing I fixate too much on the compass and not
enough outside the plane. If I visualize a track on the ground then I spend
a lot more time actually flying the plane as opposed to having the plane fly
me... If you know what I mean. I also spend a lot more time looking for
other traffic and enjoying the flight.
One of the things I have noticed is the Canadian VNC show water but not
islands in the ponds. Without the islands marked a lot of the ponds look
completely different when flying over them. Road maps for some reason seem
to have the islands showing so it is easier to locate ponds by shape with
the islands in them.
Noel
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Lynn Matteson
Sent: Monday, March 30, 2009 4:25 PM
Subject: Re: Kitfox-List: Re: - now Compass Card
I've got the chart open, (a length of removable colored tape applied
along my course) and the GPS on, and I use both. I also like to have
a Road Atlas, as well as the AOPA Airport Directory. The thing I find
the most useless is the A/FD...the Airport/Facility Directory, the
green book that goes belly-up every 56 days. It is the most current
of the printed data, but it doesn't contain the stuff I need, like
motels, eateries, points of interest, distance from town, etc. You
know, stuff you need to know once you're on the ground. Of course, to
be legal, the FAA requires you to have the green book, too.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 622.1 hrs
Sensenich 62x46
Electroair direct-fire ignition system
Status: flying
On Mar 30, 2009, at 1:37 PM, Noel Loveys wrote:
>
> Lynn when you are on the longer trips you have taken do you do a dead
> reckoning navigation before leaving and follow the compass exactly
> or do
> y9ou tend to fly the chart?
>
> Noel
>
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Lynn
> Matteson
> Sent: Monday, March 30, 2009 11:56 AM
> To: kitfox-list@matronics.com
> Subject: Re: Kitfox-List: Re: - now Compass Card
>
>
> I mounted my vertical card compass above the glare shield/panel, and
> in this location it is not affected by the airframe.
>
> Lynn Matteson
> Kitfox IV Speedster, taildragger
> Jabiru 2200, #2062, 622.1 hrs
> Sensenich 62x46
> Electroair direct-fire ignition system
> Status: flying
>
Message 7
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| Subject: | Re: - now Compass Card |
That is not a problem where 90% of the communities are coastal. Every light
house is different and you get used to the different bays by shape... It's
when you move inland and there are few communities, fewer still with water
towers that the fun begins. Check us out on Google Earth... One highway,
more or less east west. Four or five major lakes in the interior and salt
water all round... kinda hard to get lost.. I've been able to do it on the
ground, sort of. It took hard work and dedication but we still ended up
where we intended to go about twelve hours late. In the air fly a cardinal
point until you hit either the highway or salt water. Once you do you will
know exactly where you are.
Noel
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Lynn Matteson
Sent: Monday, March 30, 2009 4:47 PM
Subject: Re: Kitfox-List: Re: - now Compass Card
I had always heard that you could check a water tower for the name of
a city, but in reality they paint the name on the underside of the
tower...the ball-shaped ones....and you have to be a ways away or
quite low to read them. It's best to have a pretty good idea where
you are on the chart/map so you have some idea of what the name on
the tower should say.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 622.1 hrs
Sensenich 62x46
Electroair direct-fire ignition system
Status: flying
On Mar 30, 2009, at 1:17 PM, Noel Loveys wrote:
> Not in my 'Fox! I do have a compass but primarily use it to hold
> headings to maintain visual tracks on the ground. Dead reckoning
> is fun for the exercise of it but if I decide to deviate t all I
> really don't have time to set up another navigation while flying
> the plane so it goes strictly VFR follow the map stuff. It was
> suggested to me I get a set of road maps so I could drop down and
> read the signs to see where I was... I don't fly that low.
>
>
> Noel
>
>
> From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-
> list-server@matronics.com] On Behalf Of Cecil Stokesberry
> Sent: Monday, March 30, 2009 4:23 AM
> To: kitfox-list@matronics.com
> Subject: Re: Kitfox-List: Re: - now Compass Card
>
>
> I should mention that I don't have a DG.
>
> Cecil
>
> On Sun, Mar 29, 2009 at 11:14 PM, Cecil Stokesberry
> <stokesc@wildblue.net> wrote:
>
> A compass could be useful when encountering very low visibility
> conditions.
>
>
> Cecil
Message 8
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Probably got there faster than using the compass :-)
Noel
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Lynn Matteson
Sent: Monday, March 30, 2009 4:57 PM
Subject: Re: Kitfox-List: Compass errors
I've found that my vertical card does the "NOSE" .....North Opposite,
South Extreme....just like a whiskey compass does.
Speaking of compasses, I had once removed my glare shield to deal
with some more electrical work, and with it went my vertical card
compass. Also, I had taken my GPS home to download some flight info
from it. Then I decided to go flying to the Saturday morning "coffee
and lie-telling" session about 20 miles away. All of a sudden I was
definitely an "IFR" flier....following roads, lakes, and a large
smokestack that is a very good landmark for a small town near the
coffee place.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 622.1 hrs
Sensenich 62x46
Electroair direct-fire ignition system
Status: flying
On Mar 30, 2009, at 10:43 AM, fox5flyer wrote:
> <fox5flyer@idealwifi.net>
>
> It's interesting, Lynn, why the vertical card compasses don't seem
> to be affected near as much as the whiskey types. There have been
> tons of posts in the past 15 years on this list about swinging
> problems and many just gave it up and paid the price for the
> vertical card or went another direction. Perhaps it may be the
> range of adjustment available? Some have had good luck with
> degaussers, but most couldn't overcome the magnetism in the
> fuselage no matter where they place the compass. Some said it was
> caused by the welding process. Personally, I gave it up and
> installed a 2" in-dash Richie boat compass with a remote sensor.
> Works well, but not perfect.
> Deke Morisse
> Mikado Michigan
> S5/Subaru/CAP 402+ TT
> "The aim of an argument or discussion should not be victory, but
> progress."
> - Joseph Joubert
>
>>
>> I mounted my vertical card compass above the glare shield/panel,
>> and in this location it is not affected by the airframe.
>>
>> Lynn Matteson
>
>
Message 9
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| Subject: | 912 Fuel pump required |
On Tue, March 31, 2009 1:35 pm, Roger Lee wrote:
clippage: clip clip
> There should be no pressure regulator on the 912. You should
> how ever be at least using the Rotax manual operated pump on the side of the
gearbox.
> It supplies the correct pressure to the carbs. (2.2 - 5.8 psi). Just a gravity
fed
> system would have to be tested for delivered pressure, but I would bet it is
too low
> and because of that during certain flight maneuvers starve the carbs.
If 2.2 PSIG is the minimum fuel pressure required, then that requires 81 inches
of
static head of gasoline. Our fuel tanks aren't 7 feet above the carbs so that rules
out gravity feed by itself.
> If you have a
> low feeding tank then a back up Facet fuel pump rated at the proper psi should
be
> plumbed in parallel as a back up.
OK, but then you'd need check valves if the pumps failed open. Maybe you meant
to say
configure the fuel pumps in series, rather than parallel.
> The manual fuel pump was installed for a reason
You say manual but I think you mean "engine driven". I'm not aware of a manual
pump on
my Rotax 914. I do certainly have manual pumps on my Caterpillar C-15's though
and all
my other Diesel Engines too, for that matter.
> and
> should not be removed. My FD CT is a high wing and could operate off a gravity
feed,
> but it should not.
What's an "FD CT"? Is that a 912/914 configuration?
> When the pump fails it fails open. Plus you are supposed to have a
> recirculating line to help prevent vapor lock. The fuel pump is in the system
to help
> circulate the fuel.
You've really got me confused now. If the engine driven pump fails open, a backup
should be placed in series unless there is a check valve. I am not aware of any
recirculation on non-fuel injected engines. And I don't mean throttle body injectors
either.
I'd like to see a flow diagram of what you're talking about. I was going to have
an
electric pump in the line which would be used for take-off and landing only. It
would
be in series with the existing engine driven pump. I don't see any anything that
looks
like a recirculation fuel line on my 914 but I haven't figured out how it all works
yet either. I assume, I'll find this all in the maintenance and service manuals.
--
Paul A. Franz
Registration/Aircraft - N14UW/Merlin GT
Engine/Prop - Rotax 914/NSI CAP
Bellevue WA
425.241.1618 Cell
All bad precedents began as justifiable measures.
-- Gaius Julius Caesar, quoted in "The Conspiracy of
Catiline", by Sallust
Cutting the space budget really restores my faith in humanity. It
eliminates dreams, goals, and ideals and lets us get straight to the
business of hate, debauchery, and self-annihilation."
-- Johnny Hart
Has the great art and mystery of politics no apparent utility? Does it
appear to be unqualifiedly ratty, raffish, sordid, obscene and low down,
and its salient virtuosi a gang of umitigated scoundrels? Then let us
not forget its high capacity to soothe and tickel the midriff, its
incomparable services as a maker of entertainment.
-- H.L. Mencken, "A Carnival of Buncombe"
The avoidance of taxes is the only intellectual pursuit that carries any
reward.
-- John Maynard Keynes
With reasonable men I will reason;
with humane men I will plead;
but to tyrants I will give no quarter.
-- William Lloyd Garrison
Message 10
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| Subject: | Re: Wing Strut Fairings |
Lloyd,
I sanded them off with a belt sander then finer sand paper, then used a
sanding primer (maybe a bit of spot putty first) and painted right over
them - no lines.
Lowell
----- Original Message -----
From: "Cudnohufsky's" <7suds@Chartermi.net>
Sent: Friday, March 27, 2009 11:44 AM
Subject: Kitfox-List: Wing Strut Fairings
>
> All,
> The wing struts for my Model 5 have the PVC fairings, the end that
> attaches
> to the fuselage has the aft fairing squared off and covered with fabric
> and
> then the gap between them covered with sheet aluminum. I decided I wanted
> to
> block out all the extrusion lines in the PVC fairings so I removed the
> fabric and the aluminum and found all the gaps in that area filled with
> bondo, which I have removed. Is the bondo thing normal? I do not have the
> instructions for the install of the struts so I was wondering what others
> have done and what others have seen for a finished weight for a strut with
> the PVC fairings? What have other used for fairings besides the PVC?
>
> Lloyd C
> UP Mi.
> Mod 5 912ul
> IVO IFA
>
> Checked by AVG.
> 8:05 PM
>
>
>
Message 11
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| Subject: | Re: Wing Strut Fairings |
I respectfully disagree that these are vortex generators. If you look at
the ridges, they exactly line up with the internal beads designed to grip
the lift strut. With a thicker mass of hot plastic in these areas, a
disproportunate amount of shrinkage will occur on the surface opposite the
beads - presto a slight depression.
Lowell
----- Original Message -----
From: "Cudnohufsky's" <7suds@Chartermi.net>
Sent: Saturday, March 28, 2009 5:23 AM
Subject: RE: Kitfox-List: Wing Strut Fairings
Mike,
Thanks for the reply, you are probably correct that they are in by design
since extrusion processes have evolved to the point where the outcome will
be exact to the design. I guess in my thinking I have never seen vortex
generators as continual lines on a surface especially strut fairings, all
the strut fairings I have seen on aircraft are smooth. I suppose if I was
building a Lancair I would kick myself but since I am building a Kitfox Im
not too alarmed over my decision. Offhand do you know what the difference in
drag coefficient is with and without the vortex generators on the struts? I
would imagine the manufacturer would have developed some numbers before
investing in the dies.
Lloyd
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of
skyflyte@comcast.net
Sent: Friday, March 27, 2009 4:37 PM
Subject: Re: Kitfox-List: Wing Strut Fairings
Those "extrusion lines" are actually vortex generators which were part of
the design to reduce drag. Eliminating them increases DRAG!!
Mike
490MC
M II 582
----- Original Message -----
From: "Lynn Matteson" <lynnmatt@jps.net>
Sent: Friday, March 27, 2009 5:05:54 PM GMT -05:00 US/Canada Eastern
Subject: Re: Kitfox-List: Wing Strut Fairings
I have a Model IV, with the same fairings that you describe, but I
left the "extrusion lines" as is, covered them, and the sheet
aluminum at the lower end, with fabric and let it go at that.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 618.4 hrs
Sensenich 62x46
Electroair direct-fire ignition system
Status: flying
On Mar 27, 2009, at 3:44 PM, Cudnohufsky's wrote:
> <7suds@chartermi.net>
>
> All,
> The wing struts for my Model 5 have the PVC fairings, the end that
> attaches
> to the fuselage has the aft fairing squared off and covered with
> fabric and
> then the gap between them covered with sheet aluminum. I decided I
> wanted to
> block out all the extrusion lines in the PVC fairings so I removed the
> fabric and the aluminum and found all the gaps in that area filled
> with
> bondo, which I have removed. Is the bondo thing normal? I do not
> have the
> instructions for the install of the struts so I was wondering what
> others
> have done and what others have seen for a finished weight for a
> strut with
> the PVC fairings? What have other used for fairings besides the PVC?
>
> Lloyd C
> UP Mi.
> Mod 5 912ul
> IVO IFA
>
> Checked by AVG.
> 8:05 PM
>
>
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Checked by AVG.
3/26/2009 8:05 PM
Checked by AVG.
3/27/2009 6:51 PM
Message 12
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| Subject: | Re: Near disaster |
My set-up was exactly like Lynns, and will be the same in my new build.
When descending once from the 10,000 ft necessary to clear the Sierras, I
watched the fuel in the filters as the tanks drained to check the operation
of my low fuel indicator. (Consider that I was in a 400 fpm descent that
eventually unported the wing tanks). Shortly after the last of the flow
passed the glass encased filters, the low fuel light came on. I can't count
the number of times I looked at the filters to gauge fuel flow. It is sort
of like the drip chamber in an IV. You can see flow of the fuel when low
vs. just seeing the fuel in a transparent line and having no clue if it is
moving.
I respect rules and other's ideas, but wonder about removing a filter after
it has caught something. I recall the original Kreem controversy when the
Kreem came sheeting off one of the first Alaska flyers and clogged the
finger strainer. All of a sudden there was talk on the list of removing the
finger strainers to eliminate that problem.
Lowell Fitt
Cameron Park, CA
Model IV-1200 R-912 UL
building new
----- Original Message -----
From: "Lynn Matteson" <lynnmatt@jps.net>
Sent: Monday, March 30, 2009 5:31 AM
Subject: Re: Kitfox-List: Re: Near disaster
>
> Just to throw in some more fodder for debate, I have 2 finger strainers
> (one in each tank), and three filters....one in each downline from the
> tank and before the header, and one after the header. These filters are
> the Purolator glass filters in the 5/16" fuel line size and since the
> first application of fuel into the Kreemed fuel tanks, I haven't seen any
> crap in these filters. Maybe that means I don't need all these filters,
> but I'm not taking them out. My engine runs on gravity feed only. I have
> removed all the pumps (engine mechanical, and back-up electric) because
> the location of my carburetor is at a position where gravity alone feeds
> all the fuel necessary. The reason I like the filters in the down lines,
> is so that if I get a bad batch of fuel, or dirt in the fuel I can see
> it immediately...the glass filters are visible just above the top of the
> back of the seat, and just below the two fuel shut-offs (for service
> only). My system flows 12.3 gallons per hour if I recall correctly. I
> should take another reading now that I've installed the Northstar F210
> fuel flow meter, and see what it says the flow rate is. When I checked
> the flow rate before I installed the flow meter, it was through the carb
> inlet. So that much fuel is getting through the carb.
>
> p.s. I have all "rubber" fuel lines...automotive 30R7
>
> Lynn Matteson
> Kitfox IV Speedster, taildragger
> Jabiru 2200, #2062, 622.1 hrs
> Sensenich 62x46
> Electroair direct-fire ignition system
> Status: flying
>
>
> On Mar 29, 2009, at 11:16 PM, darinh wrote:
>
>>
>> I agree with Deke...there is no need for filters before the header tank.
>> When I say I have 3 filters, I am including my finger strainers as one.
>> I have an Earl's filter before the pumps and a final filter forward of
>> the firewall just before it goes into the pressure regulator. Had my
>> final filter not been there, all that disintegrated hose material would
>> have ended up in my pressure regulator and carbs so it did serve a
>> purpose. After changing the hose, it is probably overkill to have the
>> last filter but it is there.
>>
>> --------
>> Darin Hawkes
>> Series 7
>> 914 Turbo
>> Kaysville, Utah
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=236799#236799
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 13
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| Subject: | FLOSS Fight Simulator |
Here's a pretty impressive Flight Simulator called Flight Gear. It's Free/Open
Source
Software. Has loads of aircraft and scenery. Windows, Mac OS 10 and most Unix flavors
including BSD, Sparc, Irix and several Linux Distros.
<http://www.flightgear.org/>
You can buy boxed sets and printed manuals if you want too.
I haven't yet tried it, but I did d/l and install it on a Fedora 10 machine. Started
and ran, seems pretty cool but I am no flight Sim expert.
--
Paul A. Franz
Registration/Aircraft - N14UW/Merlin GT
Engine/Prop - Rotax 914/NSI CAP
Bellevue WA
425.241.1618 Cell
Hurewitz's Memory Principle:
The chance of forgetting something is directly proportional
to... to... uh.....
"Wall Street -- including the banking sector -- is burning itself
down. The fire is fueled by panic -- the final stage in a decline of
confidence -- and can only be put out by measures that restore
confidence. ... But President Obama -- having first claimed that
only government can solve the economic problems -- is failing to
provide any solutions Wall Street can believe in."
-- Human Events editor Jed Babbin
Foreign aid might be defined as a transfer of money from poor people
in rich countries to rich people in poor countries.
-- Douglas Casey
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