Today's Message Index:
----------------------
1. 01:28 AM - Re: Delaminated flow (John Wighton)
2. 01:42 AM - Re: Possible Leaking Fuel Tank! (Mallard)
3. 02:00 AM - Re: Possible Leaking Fuel Tank! (Monoman)
4. 05:56 AM - Re: Delaminated flow (budyerly@msn.com)
5. 06:04 AM - Re: Re: Is 160 F too cold? (William Daniell)
6. 06:27 AM - Re: Re: Delaminated flow (D McFadyean)
7. 08:02 AM - Is 160F too cold? (crouton)
8. 08:35 AM - Re: Is 160F too cold? (Pete Zut)
9. 08:14 PM - Re: Re: Mono Slave Cyl O-ring (Kingsley Hurst)
10. 08:56 PM - Buy (50Pieces) Apple iPhone 12 Pro 5G 128GB Unlocked $29,950 (matt63867)
Message 1
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Subject: | Re: Delaminated flow |
Duncan,
Are you sure it wasn't a few kg of frozen water in that wing?
GIPOD is very sensitive to lateral balance, maybe too much Xmas turkey (or veggiechick)?
--------
John Wighton
Europa XS trigear G-IPOD
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=500183#500183
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Subject: | Re: Possible Leaking Fuel Tank! |
https://www.amazon.co.uk/Flexible-Locking-Ratchet-Removal-Pliers/dp/B01J60O4G0
--------
Seat of my pants
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=500184#500184
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Subject: | Re: Possible Leaking Fuel Tank! |
Further to the leaking fuel tank thread, I am also just about to replace all fuel
and oil hoses. Can anyone tell me roughly what length of the various hoses
to order?
I have a classic with 80HP Rotax.
Thanks
Mike
G DURO
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http://forums.matronics.com/viewtopic.php?p=500185#500185
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Subject: | Re: Delaminated flow |
Duncan,
In my Vortex Generator tests and more recently the stall tests with different sized
leading edge stall strips I found the plane to react quite differently with
any significant change.
In tuft testing, placing tape and tufts at the 50% chord point significantly changed
the deep stall and cruise trim characteristics.
Another really annoying thing is for those who built their ailerons true to design
and have a slight concave surface on the aileron upper side, any water or
frost still on the aft trailing edge is noticed in trim. I use a #10 wood pencil
or soda straw for initial trimming simply taped as a ramp to the aileron.
It is amazing what a small amount of change as a 4 inch tab can affect roll trim.
I had 12AY down for a month after a local Instructor pilot flew my plane on a short
cross country and reported back that it too an annoying amount of rudder
to keep it straight.
I checked everything. It appears the plane was left outside in a strong thunderstorm
and the rudder was banging around which caused a slack rudder cable turnbuckle
to flip the cable thimble around which shortened one cable about 1/2 inch.
Best Regards,
Bud Yerly
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=500187#500187
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Subject: | Re: Is 160 F too cold? |
thanks jim
Will
William Daniell
LONGPORT
+1 786 878 0246
On Tue, Jan 12, 2021 at 8:36 AM h&jeuropa <butcher43@att.net> wrote:
>
> Will,
>
> Here are some details of the cowl flap we have.
>
> Jim & Heather
>
> PS Before the cowl flap, we just used HVAC aluminum tape from Lowes to
> cover some of the oil cooler.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=500153#500153
>
>
> Attachments:
>
> http://forums.matronics.com//files/cowl_flap_187.docx
>
>
Message 6
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Subject: | Re: Delaminated flow |
John,
If it was water in the wing, then it will be permanent!
It's also annoying that when the cold-soaked aircraft is dragged out from the cold
hangar, water then condenses and freezes on the wing surface a very fine hoar.
That's happened before, but makes no difference to trim; so the boundary
layer thickness is between that and the size of half a pea.
Duncan McF
do not archive.
> On 13 January 2021 at 09:28 John Wighton <john@wighton.net> wrote:
>
>
>
> Duncan,
>
> Are you sure it wasn't a few kg of frozen water in that wing?
>
> GIPOD is very sensitive to lateral balance, maybe too much Xmas turkey (or veggiechick)?
>
> --------
> John Wighton
> Europa XS trigear G-IPOD
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=500183#500183
>
>
>
>
>
>
>
>
>
Message 7
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Subject: | Is 160F too cold? |
A second radiator, oil or coolant, should not be required in a Laminova set-up.
Removal of the oil radiator in the duct of the XS will increase the flow of
undisturbed air through the coolant radiator and more than compensate for the
heat load added to the coolant from the Laminova.
I have a classic and for several years had to step climb to control temps. I no
longer have to do this.
I keep the airplane at KPGD (Punta Gorda, Florida) and at KEYW (Key West, FL) and
in a typical year stay in south Florida until July before flying north.
To be clear: I have flown many times with ramp temps in excess of 90F (33C) with
no ground temperature issues and at 4500ft, 80F (26C) with no necessity to
step climb to control temperatures.
Creighton Smith N96EG, A009, Classic Mono, 912UL, Warp Drive,
>
>
>
> Time: 09:11:19 AM PST US
> From: crouton <crouton@well.com>
> Subject: Europa-List: Re: Is 160F too cold.
>
>
> I have a classic with an 80hp.
> After several years of experimentation I have settled upon a cowl flap/exit air
> restrictor and, most important, a Laminova water-oil heat exchanger.
> The cowl flap keeps the coolant temperature under control (210-220F) and the
heat
> exchanger keeps the temps in lockstep in cruise. In climb, the oil temp stabilizes
> at 15-20degF over coolant temp. (I attribute this to heat load in the
> gearbox.)
> If you Choose the Laminova, get the largest of the 3 standard sizes. It will
not
> overcool.
> (I started with the smallest, moved to the medium and had to install a coolant
> restrictor to force more coolant through the heat exchange section)
> They are not returnable so go for the big one, its not a great deal lerger or
more
> expensive.
> In descent temps go to 170-180F. Cowl flapp closed.
> It has been a lot of work, but I love my Laminova. I am in Vermont currently,
> with surface temperatures in the 20-25F range. (-5C)
> Warmup is a bit faster too.
>
>
>
>
Message 8
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Subject: | Re: Is 160F too cold? |
very nice! I wonder if the classic rads could handle the 100hp of a ULS
with your setup.
Cheers,
Pete
Classic ULS C-GNPZ
On Wed, Jan 13, 2021 at 11:18 AM crouton <crouton@well.com> wrote:
>
> A second radiator, oil or coolant, should not be required in a Laminova
> set-up. Removal of the oil radiator in the duct of the XS will increase
> the flow of undisturbed air through the coolant radiator and more than
> compensate for the heat load added to the coolant from the Laminova.
> I have a classic and for several years had to step climb to control
> temps. I no longer have to do this.
> I keep the airplane at KPGD (Punta Gorda, Florida) and at KEYW (Key West,
> FL) and in a typical year stay in south Florida until July before flying
> north.
>
> To be clear: I have flown many times with ramp temps in excess of 90F
> (33C) with no ground temperature issues and at 4500ft, 80F (26C) with no
> necessity to step climb to control temperatures.
>
> Creighton Smith N96EG, A009, Classic Mono, 912UL, Warp Drive,
> >
> >
> >
> > Time: 09:11:19 AM PST US
> > From: crouton <crouton@well.com>
> > Subject: Europa-List: Re: Is 160F too cold.
> >
> >
> > I have a classic with an 80hp.
> > After several years of experimentation I have settled upon a cowl
> flap/exit air
> > restrictor and, most important, a Laminova water-oil heat exchanger.
> > The cowl flap keeps the coolant temperature under control (210-220F) and
> the heat
> > exchanger keeps the temps in lockstep in cruise. In climb, the oil temp
> stabilizes
> > at 15-20degF over coolant temp. (I attribute this to heat load in the
> > gearbox.)
> > If you Choose the Laminova, get the largest of the 3 standard sizes. It
> will not
> > overcool.
> > (I started with the smallest, moved to the medium and had to install a
> coolant
> > restrictor to force more coolant through the heat exchange section)
> > They are not returnable so go for the big one, its not a great deal
> lerger or more
> > expensive.
> > In descent temps go to 170-180F. Cowl flapp closed.
> > It has been a lot of work, but I love my Laminova. I am in Vermont
> currently,
> > with surface temperatures in the 20-25F range. (-5C)
> > Warmup is a bit faster too.
> >
> >
> >
> >
>
>
Message 9
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Subject: | Re: Mono Slave Cyl O-ring |
Many thanks for the drawing Remi, you are a handy person to know!
Consistent with the constraints of my ability to accurately measure the
size of the 'O' ring I purchased, it appears mine is the same as the one
in Michel's drawing so I feel more confident now that I have the correct
size.
Thanks again mate.
Kingsley
On 12.01.21 6:55 pm, Remi Guerner wrote:
>
> Hello Kingsley,
> Attached is a drawing from Michel Auvray showing the dimension of this O-ring
> Remi
Message 10
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