Today's Message Index:
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1. 01:21 AM - Re: Re: Filter on the fuel vent (D McFadyean)
2. 05:50 AM - Re: the Obsidian Files - So Much Noise!!! (Area-51)
3. 10:18 AM - Re: What Did You Do With Your Europa This Week - 28/05/23 (IanGale)
4. 10:23 AM - Re: The Obsidian Files - Speed Kit (IanGale)
5. 05:41 PM - Re: What Did You Do With Your Europa This Week - 28/05/23 (Area-51)
6. 05:52 PM - Re: Re: What Did You Do With Your Europa This Week - 28/05/23 (Pete)
7. 06:14 PM - Re: What Did You Do With Your Europa This Week - 28/05/23 (Area-51)
8. 06:26 PM - Re: The Obsidian Files - Speed Kit (Area-51)
9. 07:15 PM - Re: The Obsidian Files - Speed Kit (n7188u)
Message 1
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| Subject: | Re: Filter on the fuel vent |
The backup circuit is the fuel sight-gauge vent (if you have one fitted). Which
comes with a warning system (i.e. fuel gauge contents will read zero if the tank
vent blocks up!).
Duncan McF.
> On 30 May 2023 at 14:40 Rick Moss <Rkwmoss@gmail.com> wrote:
>
>
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> I don't, but the bugs you are getting in the fuel filter could equally be building
nests in an inlet filter, and unlike the fuel filter, you have no backup
circuit for that.
>
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=510878#510878
>
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Message 2
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| Subject: | Re: the Obsidian Files - So Much Noise!!! |
Yesterday was spent recording db levels in the cockpit, and also in the car on
the way home... 95-100 db on WOT, 93db on Cruise Climb, 90db on Cruise, 77-80
db at Idle... the daily driver was 70 db down the highway. Sitting in a cafe at
lunch watching the db frequencies on the app allowed identification of various
tones; definitely carbi throat noise and low freq' panel drumming. Going back
to the console to check our earlier acoustic results which indicate the baffle
attenuating the frequency range required by 30db... this is going to be interesting
to observe on the actuals.
A great day again to fly, but no flying was done... instead the morning was spent
trial fitting the airbox baffle insert.
The new Prusa was pulled out of the box last night after three months waiting for
something to do; and it is a beast of a machine... perfect prints after carrying
out Z height calibration.
Half the baffle insert and an extension was printed up.. after measuring the tolerances
things were left as set by the supplier at 0.05mm under size; and that
quality is pretty amazing.
Straight after pulling the baffle print off the print bed i thought; hmm looks
fantastic, should of just printed a profile stencil...
So off we went to the field to see what happens... the lid came off the engine
bay and out came the air filter element and in went the baffle; except it didn't
fit... .... .... out came the Sharpee and the ruler and away went the hacksaw
over the marker lines, choppy chop chop, sand sand sand, chop some more, and
some more until the baffle fit.
Then it was time for a cup of tea and a walk down to the back hangar to sort out
Norman's ignition issues. Then it was time for a cup of tea.
After another cup of tea it was time to throw the airbox into the ute and go home
and ponder the day's failures and successes.... so some templates were printed
up and then the baffle insert got totally remodelled... now it will slide
straight into the airbox with the airfilter element nesting in the baffle as the
retainer.
Tomorrow another printing session, and another step toward success! Hopefully next
airfield session will involve an engine start...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510893#510893
Attachments:
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http://forums.matronics.com//files/6cd60818_fba9_488f_b78b_d0523ed2cc9f_590.jpeg
http://forums.matronics.com//files/a2af8966_2aaa_43bd_b98d_8c5209f09883_113.jpeg
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http://forums.matronics.com//files/55bdf495_df87_4606_b764_5fb643e84cc0_206.jpeg
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Message 3
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| Subject: | Re: What Did You Do With Your Europa This Week - 28/05/23 |
A round Britain trip for me to pick up prop spares, attend meetings in London,
pick up and fly with a sword (a first for me!) then lay a wreath at a service
to commemorate the 80th Anniversary of the Battle of the Atlantic. Finally a dash
back up to Scotland on Friday afternoon, navigating a few hot danger areas
(military drones and live ordnance firing) then a pleasant low level transit
of Edinburgh and the Firth of Forth before home. All on just under 16 litres and
hour and about 115 indicated. I love the Europa!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510894#510894
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Message 4
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| Subject: | Re: The Obsidian Files - Speed Kit |
Really interesting work, thanks so much for publishing. Im wrestling with the speed
kit being most efficient if you dont fit it! It doesnt seem logical - the
outrigger assembly is not at all aerodynamic whilst the fairing seems to offer
an improvement. I was wondering if you had any thoughts on why the results were
as they were? At present my speed kit is off and this has made me delay refitting
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510895#510895
Message 5
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| Subject: | Re: What Did You Do With Your Europa This Week - 28/05/23 |
Wow, scenery must of been amazing! Jealous...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510897#510897
Message 6
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| Subject: | Re: What Did You Do With Your Europa This Week - 28/05/23 |
Flew 9 young eagles (chapter total about 60) last saturday.
Love it when they light up. The europa is such an easy ship for them to stick
around!
Cheers,
PeteZ
(YE total so far = ~40)
Message 7
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| Subject: | Re: What Did You Do With Your Europa This Week - 28/05/23 |
Nice! Last flight around the chicken pen a few days ago flew past a mother eagle
teaching her three babies how to dive from 3000'
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510899#510899
Message 8
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| Subject: | Re: The Obsidian Files - Speed Kit |
Ian its simply a case of Frontal Area Volume; the speed kit being broader than
the hinges; changing the overall hinge post shape to fill the operating gap during
wing building would likely provide more benefit... The outrigger cover is
still beneficial to fit as it allows the free stream air to flow around the mechanism
block a bit more cleanly; it also prevents stuff that may cause badness
getting into the mechanism... changing the outrigger cover shape to something
more sculptured does not provide that much gain on the CFD analysis for the
work involved; but it certainly can look the goods!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510900#510900
Message 9
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| Subject: | Re: The Obsidian Files - Speed Kit |
Just a comment to Ian, I installed the speed kit and love the looks of the wings
with them. Just for that reason I wouldnt doubt installing them.
In my case, living in a coastal area, I feel they offer some protection against
corrosion. Im going to remove them now, after a year of use, and see how everything
looks in there.
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=510901#510901
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