Today's Message Index:
----------------------
1. 12:41 AM - Re: 914 draining coolant and changing coolant lines (JohnFrance)
2. 01:37 AM - Re: Europa-List Digest: 1 Msgs - 06/14/21 (Graeme Coates and Sharon Beaman)
3. 01:37 AM - Re: Europa-List Digest: 1 Msgs - 06/14/21 (Graeme Coates and Sharon Beaman)
4. 06:36 AM - Re: Re: 914 draining coolant and changing coolant lines (Bud Yerly)
5. 10:43 AM - Re: 914 draining coolant and changing coolant lines (h&jeuropa)
6. 04:31 PM - Re: 914 draining coolant and changing coolant lines (Griffo)
7. 07:18 PM - Re: Re: 914 draining coolant and changing coolant lines (Jerry Rehn)
Message 1
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| Subject: | Re: 914 draining coolant and changing coolant lines |
Jerry,
Rotax thought about draining the system and included a drain in the coolant pump
housing which is very useful.... when the engine is on a bench and the rear
of the engine is accessible!
I devised my own method which takes a little more time but avoids the mess. I use
a large syringe, the bigger the better and a piece of silicon tubing which
I use to empty the expansion tank on top of the engine, I then insert the tube
down the coolant return hose 10/15 cm 4/6" and suck it out with the syringe.
Once you have lowered the coolant level below the expansion tank remove the return
hose from the tank and insert the tube all the way down to the radiator and
empty the system.
A small quantity of coolant remains at the low points of the engine but its manageable
with an absorbant rag to catch the drops.
John
--------
Europa mono Nr 192
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=502384#502384
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| Subject: | Re: Europa-List Digest: 1 Msgs - 06/14/21 |
Hi all,
Here are two spreadsheets of coordinates for Dykins Airfoil, can't
remember wher I got them from.
Graeme Coates
On 15/06/2021 4:35 pm, Europa-List Digest Server wrote:
> *
>
> =================================================
> Online Versions of Today's List Digest Archive
> =================================================
>
> Today's complete Europa-List Digest can also be found in either of the
> two Web Links listed below. The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. The .txt file includes the plain ASCII version
> of the Europa-List Digest and can be viewed with a generic text editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 21-06-14&Archive=Europa
>
> Text Version:
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 21-06-14&Archive=Europa
>
>
> ===============================================
> EMail Version of Today's List Digest Archive
> ===============================================
>
>
> ----------------------------------------------------------
> Europa-List Digest Archive
> ---
> Total Messages Posted Mon 06/14/21: 1
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 01:13 PM - Europa aerofoil coordinates (John Wigney)
>
>
>
> ________________________________ Message 1 _____________________________________
>
>
> Time: 01:13:51 PM PST US
> From: John Wigney <johnwigney@windstream.net>
> Subject: Europa-List: Europa aerofoil coordinates
>
> To fellow Europaphiles,
>
> I have been away from home and am catching up with old emails. I see
> that there was a query at the end of May about aerofoil coordinates. In
> my dusty archives, I found a file from 2015 which gives a lot (too much
> perhaps ?) of information. See file attached. I do not know the author
> of the file but I hope it may be helpful.
>
> Cheers, John
>
> N262WF, mono XS, 912S
> Mooresville, North Carolina
>
>
>
>
>
>
>
>
Message 3
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| Subject: | Re: Europa-List Digest: 1 Msgs - 06/14/21 |
Hi all,
Here are two spreadsheets of coordinates for Dykins Airfoil, can't
remember wher I got them from.
Graeme Coates
On 15/06/2021 4:35 pm, Europa-List Digest Server wrote:
> *
>
> =================================================
> Online Versions of Today's List Digest Archive
> =================================================
>
> Today's complete Europa-List Digest can also be found in either of the
> two Web Links listed below. The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. The .txt file includes the plain ASCII version
> of the Europa-List Digest and can be viewed with a generic text editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 21-06-14&Archive=Europa
>
> Text Version:
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 21-06-14&Archive=Europa
>
>
> ===============================================
> EMail Version of Today's List Digest Archive
> ===============================================
>
>
> ----------------------------------------------------------
> Europa-List Digest Archive
> ---
> Total Messages Posted Mon 06/14/21: 1
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 01:13 PM - Europa aerofoil coordinates (John Wigney)
>
>
>
> ________________________________ Message 1 _____________________________________
>
>
> Time: 01:13:51 PM PST US
> From: John Wigney <johnwigney@windstream.net>
> Subject: Europa-List: Europa aerofoil coordinates
>
> To fellow Europaphiles,
>
> I have been away from home and am catching up with old emails. I see
> that there was a query at the end of May about aerofoil coordinates. In
> my dusty archives, I found a file from 2015 which gives a lot (too much
> perhaps ?) of information. See file attached. I do not know the author
> of the file but I hope it may be helpful.
>
> Cheers, John
>
> N262WF, mono XS, 912S
> Mooresville, North Carolina
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: 914 draining coolant and changing coolant lines |
Jerry,
Like you I use a 1/8inch ID polyurethane hose like our pitot/static lines to push
a line down through the spider into the radiator. Then I siphon the coolant
down. Perhaps there is a cardio vascular surgeon on the site that can make
the process easier, as the drain line is like pushing a rope. Some technique
required.
The bad part of this method is you don't flush the system. Flushing is important
they say. In the past I would pull the coolant line off of the lower #2 cylinder
(left front) because it was easy to get to and let it drain. Later I used
a Prestone flush kit and fittings to install an in line plastic elbow in my
#2 line and a pressure cap elbow supplied (and modified by grinding and polishing
to fit the radiator cap inlet) to allow easy hookups. That was a bad idea.
Plastic and exhaust pipes don't mix.
One client siphons down the coolant while the oil is draining. Then pulls the
port radiator hose at the top, puts in an elbow on the hose and a rubber stopper
with a hose fitting in the spider 1" hole and flushes that way. Of course,
there is room on the 914 to pull the hose at the radiator and put in a 90 degree
hose, plug the hose and using my Prestone radiator cap elbow from the kit
wash water from a hose down through the system and out the radiator. I did it
this way once and it was messy, but it was quick and thorough for a flush.
To flush a nasty system, I still siphon out the coolant, then pull lower #2 hose,
hook my flush kit up to the spider/filler neck and flush from the filler neck
with my modified Prestone elbow and out my #2 lower hose through the system,
with a hose. Then drain again and fill with distilled water and drain again.
Then fill with coolant. This is still quite a messy procedure and frankly
not a thorough as I like... So the bottom line is the only time the bottom of
the radiator gets a good flush is during a hose change at the 5 year point.
I may die before I finally mod my radiator with a new radiator with a custom drain
plug. That would be the ticket on the XS Europa in my opinion. But not without
its issues as changing one thing on an airplane affects 20 others it seems.
Bud Yerly
-----Original Message-----
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matronics.com>
On Behalf Of JohnFrance
Sent: Wednesday, June 16, 2021 3:41 AM
Subject: Europa-List: Re: 914 draining coolant and changing coolant lines
Jerry,
Rotax thought about draining the system and included a drain in the coolant pump
housing which is very useful.... when the engine is on a bench and the rear
of the engine is accessible!
I devised my own method which takes a little more time but avoids the mess. I use
a large syringe, the bigger the better and a piece of silicon tubing which
I use to empty the expansion tank on top of the engine, I then insert the tube
down the coolant return hose 10/15 cm 4/6" and suck it out with the syringe.
Once you have lowered the coolant level below the expansion tank remove the return
hose from the tank and insert the tube all the way down to the radiator and
empty the system.
A small quantity of coolant remains at the low points of the engine but its manageable
with an absorbant rag to catch the drops.
John
--------
Europa mono Nr 192
Read this topic online here:
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| Subject: | Re: 914 draining coolant and changing coolant lines |
Jerry,
As other have suggested, we initially siphoned the fluid. Last time the rad was
out we fitted a drain plug on the port side tank. Now it's easy to drain.
Jim & Heather
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| Subject: | Re: 914 draining coolant and changing coolant lines |
No experience with a 914 however with my 912ULS:
I do my coolant changes at the 2.5 year mark - so one drain in part of hose replacement
Just remove the lowest coolant hose, followed by the "radiator" cap. It's handy,
not essential, to have a second person to hold a wide mouth container up to
the open hose.
After bulk of coolant removed, I open one end of each lower hose to remove any
"dregs"
After reattaching all but one hose, I do a compressed air blast into the "spider"
tank (cup hand over opening put air gun nozzle between finger/thumb and blast)
- usually gets a few more drops.
Drain expansion tank separately.
If using same/compatible coolant, within recommended drain interval, no need to
"flush" system.
Be sure to top up using Rotax compatible coolant, mixed with purified water at
the 50:50 ratio.
Squeeze/pulsing of the larger radiator hoses may asset in removing trapped air
bubbles.
Conduct brief test flight - allow system to cool (overnight good) recheck coolant
levels & top up.
--------
46
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| Subject: | Re: 914 draining coolant and changing coolant lines |
> Thanks everyone, all helped, I managed to pump most of coolant out through
the return line at the =9Cspider=9D.
Almost done, have top lines left to do tomorrow. My old silicone lines were a
ll still in good shape and replacing with new silicone. Glad this is not a p
roject that comes around too often!
Thanks again for all the help!
Jerry
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