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Rotax 914 Turbo Warning Lights
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Alan Carter



Joined: 02 Jul 2012
Posts: 378
Location: Kent, England.

PostPosted: Fri May 23, 2014 5:56 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Hi All
Rotax 914 warning lights. TCU switch ON.
I have a Europa 914,
Red warning light ?!!!!!
Amber warning light ?!!!!

What are they for, What should I know about them.
Many thanks.
Alan


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PostPosted: Fri May 23, 2014 6:23 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Alan,
If you don't have copies of the various 914 manuals, go to Rotax-Owner.com and download them.
Rotax Operators Manual, Section 4.4) Caution lamps -- Page 4-4 Subsections 4.4.1-4.4.3 describes the illumination of the red and orange warning lamps and what the meaning is.
Section 3.4) Engine start -- page 3-7 Lamps describes the self test illumination on start.
Quote:
Blue skies & tailwinds,
Bob Borger
Europa XS Tri, Rotax 914 w/ Intercooler & Airmaster C/S Prop
Little Toot Sport Biplane, Lycoming AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
H: 940-497-2123
C: 817-992-1117


On May 23, 2014, at 08:56 AM, Alan Carter <alancarteresq(at)onetel.net> wrote:
Quote:
-- > RotaxEngines-List message posted by: "Alan Carter" <alancarteresq(at)onetel.net (alancarteresq(at)onetel.net) >

Hi All
Rotax 914 warning lights. TCU switch ON.
I have a Europa 914,
Red warning light ?!!!!!
Amber warning light ?!!!!

What are they for, What should I know about them.
Many thanks.
Alan


Read this topic online here:

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Alan Carter



Joined: 02 Jul 2012
Posts: 378
Location: Kent, England.

PostPosted: Fri May 23, 2014 9:58 am    Post subject: Re: Rotax 914 Turbo Warning Lights Reply with quote

Hi Bob.
Hope you are well, nice weather here in the UK.
Well ," Blinking" lot to remember.
I will make up a small emergency check list for that lot.
Many thanks,
Alan


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Alan Carter



Joined: 02 Jul 2012
Posts: 378
Location: Kent, England.

PostPosted: Fri May 23, 2014 10:26 am    Post subject: Re: Rotax 914 Turbo Warning Lights Reply with quote

Hi Bob.
Warning Lamps.
I have a small plastic reservoir for the engine coolant, I take it the unit is a sealed radiator system, but I have noticed over a period of time the level has gone down a little, is this normal.
Also why is there not a warning light which illuminates if the coolant level
is getting low.
Regards.
Alan


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PostPosted: Fri May 23, 2014 1:13 pm    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Hi Alan,

Reasonably well over here. On the final stages of getting my Europa back in the air after the fuel tank replacement. Have to do some engine ground run tests tomorrow morning. Positive tests and weather permitting I might have it back in the air on Sunday. Weather may go to poop on Sunday though. And is certain forecast for poop on Monday. And I depart for Chennai, India on Tuesday. Will be there for almost 4 weeks on business. I’d like to have the Europa ready to fly when I get back so I can have some fun and do some cross country travel.

Yes, “Blinking” lot to remember. Mostly remember that if they come on in flight it’s a bad thing.

Not a bad idea to add to the emergency check list either.

As to the coolant levels. Yes, they seem to go down over time. I’m not sure why. Give me some recent flight time starting in late June and we’ll see what we come up with. As to a warning light for coolant level, I guess that’d be your coolant or CHT temperature indicators.

Enjoy the good weather while you can!

Best,
Bob
On May 23, 2014, at 12:58 PM, Alan Carter <alancarteresq(at)onetel.net> wrote:



Hi Bob.
Hope you are well, nice weather here in the UK.
Well ," Blinking" lot to remember.
I will make up a small emergency check list for that lot.
Many thanks,
Alan


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Ivor Phillips



Joined: 16 Jan 2006
Posts: 253
Location: London UK

PostPosted: Sat May 24, 2014 12:44 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

I fitted a small float to my expansion bottle wired to a led on my panel, and pleased to say it's performed well over the last five years,
A couple of years ago one of my water bleed screws developed a leak and it gave me a heads up earlier than a high water temperature would have done, so worth doing IMO,
The Rotax900 series are renowned for loosing a bit of coolant from the water pump drain hole if left inactive for any length of time,
Ivor Phillips
Sent from my iPad

Quote:
On 23 May 2014, at 22:13, Robert Borger <rlborger(at)mac.com> wrote:



Hi Alan,

Reasonably well over here. On the final stages of getting my Europa back in the air after the fuel tank replacement. Have to do some engine ground run tests tomorrow morning. Positive tests and weather permitting I might have it back in the air on Sunday. Weather may go to poop on Sunday though. And is certain forecast for poop on Monday. And I depart for Chennai, India on Tuesday. Will be there for almost 4 weeks on business. I’d like to have the Europa ready to fly when I get back so I can have some fun and do some cross country travel.

Yes, “Blinking” lot to remember. Mostly remember that if they come on in flight it’s a bad thing.

Not a bad idea to add to the emergency check list either.

As to the coolant levels. Yes, they seem to go down over time. I’m not sure why. Give me some recent flight time starting in late June and we’ll see what we come up with. As to a warning light for coolant level, I guess that’d be your coolant or CHT temperature indicators.

Enjoy the good weather while you can!

Best,
Bob


On May 23, 2014, at 12:58 PM, Alan Carter <alancarteresq(at)onetel.net> wrote:



Hi Bob.
Hope you are well, nice weather here in the UK.
Well ," Blinking" lot to remember.
I will make up a small emergency check list for that lot.
Many thanks,
Alan







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PostPosted: Sun May 25, 2014 3:37 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Ivor> I fitted a small float to my expansion bottle wired to a led on my panel

Hi Ivor,
Do you have a reference for the part you used for the float?
Regards,
sacha


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Alan Carter



Joined: 02 Jul 2012
Posts: 378
Location: Kent, England.

PostPosted: Sun May 25, 2014 11:51 pm    Post subject: Re: Rotax 914 Turbo Warning Lights Reply with quote

Hello Ivor.
Looks like Lydd is going to become more active know Manston is closed.
I would like to fit an indicator the same as you have done, sounds a good idea, is there something you can drill and attach to the filler cap.
Can you give some info on this.
Regards.
Alan


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Ivor Phillips



Joined: 16 Jan 2006
Posts: 253
Location: London UK

PostPosted: Mon May 26, 2014 12:36 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Hi alan
I drilled into the side of the plastic expansion bottle that Rotax supplied, I put her midway so the level would need to drop to minimum before the sensor triggered,
I will try and turn up the type of float sensor I used from my records and let you no,
It's a simple wiring job once you are through the firewall,
Regards
Ivor
Sent from my iPad

Quote:
On 26 May 2014, at 08:51, "Alan Carter" <alancarteresq(at)onetel.net> wrote:



Hello Ivor.
Looks like Lydd is going to become more active know Manston is closed.
I would like to fit an indicator the same as you have done, sounds a good idea, is there something you can drill and attach to the filler cap.
Can you give some info on this.
Regards.
Alan




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PostPosted: Mon May 26, 2014 2:19 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Alan, For my money it doesn't really matter what level the
fluid is in the bottle as long as the level in the header
tank is OK, and I assume you check that frequently as part
of your preparation for flight. The bottle is just there
to make any fluid pushed out by thermal expansion
recoverable as I see it. Why add weight and complication?
regards, David Joyce, G-XSDJ
On Mon, 26 May 2014 09:35:12 +0100
Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
Quote:

<ivor.phillips(at)ntlworld.com>

Hi alan
I drilled into the side of the plastic expansion bottle
that Rotax supplied, I put her midway so the level would
need to drop to minimum before the sensor triggered,
I will try and turn up the type of float sensor I used
from my records and let you no,
It's a simple wiring job once you are through the
firewall,
Regards
Ivor
Sent from my iPad

> On 26 May 2014, at 08:51, "Alan Carter"
><alancarteresq(at)onetel.net> wrote:
>
>
><alancarteresq(at)onetel.net>
>
> Hello Ivor.
> Looks like Lydd is going to become more active know
>Manston is closed.
> I would like to fit an indicator the same as you have
>done, sounds a good idea, is there something you can
>drill and attach to the filler cap.
> Can you give some info on this.
> Regards.
> Alan
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=423797#423797
>
>
>
>
>
>
>
>
>
>


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Ivor Phillips



Joined: 16 Jan 2006
Posts: 253
Location: London UK

PostPosted: Tue May 27, 2014 1:42 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

I don't quite agree David, if unbeknown to you one of your hoses/ connections developed a leak when airborne you would be unaware until the level dropped below the pressure cap bottle,
Once it had done so it would effectively stop circulating through the radiator and your temperature would start climbing upwards,
The sensor is a couple of grams at most and IMO would give me a heads up long before it got critical,
My expansion bottle is centre of the firewall as high as possible so cannot be seen without removing the top cowl, I of course visually check it but on a long flight it nice to know that nothing untoward is happening,
For people interested in the sensor I used its a DE4 PPS 10 A01. Website

http://www.deeter.co.uk/products/float-switch-liquid-level-sensors-overview/40-series-horizontal-liquid-level-sensor-float-switch

Regards
Ivor
Sent from my iPad

Quote:
On 26 May 2014, at 11:19, "David Joyce" <davidjoyce(at)doctors.org.uk> wrote:



Alan, For my money it doesn't really matter what level the fluid is in the bottle as long as the level in the header tank is OK, and I assume you check that frequently as part of your preparation for flight. The bottle is just there to make any fluid pushed out by thermal expansion recoverable as I see it. Why add weight and complication? regards, David Joyce, G-XSDJ


On Mon, 26 May 2014 09:35:12 +0100
Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>
> Hi alan
> I drilled into the side of the plastic expansion bottle that Rotax supplied, I put her midway so the level would need to drop to minimum before the sensor triggered,
> I will try and turn up the type of float sensor I used from my records and let you no,
> It's a simple wiring job once you are through the firewall,
> Regards
> Ivor
> Sent from my iPad
>> On 26 May 2014, at 08:51, "Alan Carter" <alancarteresq(at)onetel.net> wrote:
>>
>> Hello Ivor.
>> Looks like Lydd is going to become more active know Manston is closed.
>> I would like to fit an indicator the same as you have done, sounds a good idea, is there something you can drill and attach to the filler cap.
>> Can you give some info on this.
>> Regards.
>> Alan
>> Read this topic online here:
>> http://forums.matronics.com/viewtopic.php?p=423797#423797
> Un/Subscription,
> http://www.matronics.com/Navigator?RotaxEngines-List
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PostPosted: Tue May 27, 2014 4:33 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Ivor Phillips a écrit :
Quote:


I don't quite agree David, if unbeknown to you one of your hoses/ connections developed a leak when airborne you would be unaware until the level dropped below the pressure cap bottle,

Ivor and all,

In my opinion, monitoring the coolant *pressure* would be preferable,
since pressure would be more closely related to the primary cause -leak
in the circuit - than the consequence - low coolant level.
Be prepared for some additional head-scratching, like is always the case
when you monitor a new parameter.

One word of caution : anytime one opens the pressure cap of the
expansion tank, one breaks the syphon, so it's not the best way to check
the coolant level. Better monitor the level in the translucent overflow
bottle, without disturbing the coolant circuit.

Best regards,
--
Gilles
http://contrails.free.fr


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PostPosted: Tue May 27, 2014 5:59 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Ivor, It is not often I disagree with you, but I would
guess that a leaking or burst hose will let fluid out and
air out of/in to the radiator system without producing
sufficient suction to empty out the overflow bottle, so
that you could boil without your level sensor saying
anything. On the other hand boiling the coolant is
something that is very noticeable in air - you get blue
fluid all over the screen - experienced when I was trying
to do a 5 min full power climb to satisfy the LAA with one
of my early model props.!
Regards, David
On Tue, 27 May 2014 10:41:43 +0100
Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
Quote:

<ivor.phillips(at)ntlworld.com>

I don't quite agree David, if unbeknown to you one of
your hoses/ connections developed a leak when airborne
you would be unaware until the level dropped below the
pressure cap bottle,
Once it had done so it would effectively stop
circulating through the radiator and your temperature
would start climbing upwards,
The sensor is a couple of grams at most and IMO would
give me a heads up long before it got critical,
My expansion bottle is centre of the firewall as high as
possible so cannot be seen without removing the top cowl,
I of course visually check it but on a long flight it
nice to know that nothing untoward is happening,
For people interested in the sensor I used its a DE4 PPS
10 A01. Website

http://www.deeter.co.uk/products/float-switch-liquid-level-sensors-overview/40-series-horizontal-liquid-level-sensor-float-switch

Regards
Ivor
Sent from my iPad

> On 26 May 2014, at 11:19, "David Joyce"
><davidjoyce(at)doctors.org.uk> wrote:
>
>
><davidjoyce(at)doctors.org.uk>
>
> Alan, For my money it doesn't really matter what level
>the fluid is in the bottle as long as the level in the
>header tank is OK, and I assume you check that frequently
>as part of your preparation for flight. The bottle is
>just there to make any fluid pushed out by thermal
>expansion recoverable as I see it. Why add weight and
>complication? regards, David Joyce, G-XSDJ
>
>
> On Mon, 26 May 2014 09:35:12 +0100
> Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>>
>><ivor.phillips(at)ntlworld.com>
>> Hi alan
>> I drilled into the side of the plastic expansion bottle
>>that Rotax supplied, I put her midway so the level would
>>need to drop to minimum before the sensor triggered,
>> I will try and turn up the type of float sensor I used
>>from my records and let you no,
>> It's a simple wiring job once you are through the
>>firewall,
>> Regards
>> Ivor
>> Sent from my iPad
>>> On 26 May 2014, at 08:51, "Alan Carter"
>>><alancarteresq(at)onetel.net> wrote:
>>>
>>><alancarteresq(at)onetel.net>
>>> Hello Ivor.
>>> Looks like Lydd is going to become more active know
>>>Manston is closed.
>>> I would like to fit an indicator the same as you have
>>>done, sounds a good idea, is there something you can
>>>drill and attach to the filler cap.
>>> Can you give some info on this.
>>> Regards.
>>> Alan
>>> Read this topic online here:
>>> http://forums.matronics.com/viewtopic.php?p=423797#423797
>> Un/Subscription,
>> http://www.matronics.com/Navigator?RotaxEngines-List
>> Forums!
>> Admin.
>
>
>
>


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Alan Carter



Joined: 02 Jul 2012
Posts: 378
Location: Kent, England.

PostPosted: Tue May 27, 2014 11:29 am    Post subject: Re: Rotax 914 Turbo Warning Lights Reply with quote

Many Thanks All.
Ivan thanks for your link.
I would think with a small leak which could occur in flight or a leak that occurs when warming up and stops when the engine is hot would take coolant from the reservoir, as you can not see the reservoir with the cowlings on I think it is a nice idea to have a warning light as its so simple to install. Myself I would like to find a Small sensor probe that I could drill a hole in the reservoir filler cap and fix this sensor probe. Anybody know of such a think,? Can always find a new cap.
Regards.
Alan
PS,
I don't understand about breaking the syphon, when removing the pressure cap?. plus you can not see the reservoir tank on a pre flight check .


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Ivor Phillips



Joined: 16 Jan 2006
Posts: 253
Location: London UK

PostPosted: Wed May 28, 2014 12:05 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

I see what you are say David but in my case it works well, my Expansion bottle is set high in the centre of the firewall and has a positive head of pressure back to the filler cap,
Twice I have had small leaks, one from a hose clip before changing to the spring clamp type and once from a bottom hose bleed nipple that I had fitted,
Both times I was aware of the coolant loss long before it became critical,
I take your point that with a burst hose it probably wouldn't react quickly enough but thats were my water temperature sender with voice activated Dynon shouting high temperature in my ears would get my complete attention,

Regards
ivor

Sent from my iPad

Quote:
On 27 May 2014, at 14:58, "David Joyce" <davidjoyce(at)doctors.org.uk> wrote:



Ivor, It is not often I disagree with you, but I would guess that a leaking or burst hose will let fluid out and air out of/in to the radiator system without producing sufficient suction to empty out the overflow bottle, so that you could boil without your level sensor saying anything. On the other hand boiling the coolant is something that is very noticeable in air - you get blue fluid all over the screen - experienced when I was trying to do a 5 min full power climb to satisfy the LAA with one of my early model props.!
Regards, David


On Tue, 27 May 2014 10:41:43 +0100
Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>
> I don't quite agree David, if unbeknown to you one of your hoses/ connections developed a leak when airborne you would be unaware until the level dropped below the pressure cap bottle,
> Once it had done so it would effectively stop circulating through the radiator and your temperature would start climbing upwards, The sensor is a couple of grams at most and IMO would give me a heads up long before it got critical, My expansion bottle is centre of the firewall as high as possible so cannot be seen without removing the top cowl, I of course visually check it but on a long flight it nice to know that nothing untoward is happening,
> For people interested in the sensor I used its a DE4 PPS 10 A01. Website
> http://www.deeter.co.uk/products/float-switch-liquid-level-sensors-overview/40-series-horizontal-liquid-level-sensor-float-switch
> Regards
> Ivor
> Sent from my iPad
>> On 26 May 2014, at 11:19, "David Joyce" <davidjoyce(at)doctors.org.uk> wrote:
>>
>> Alan, For my money it doesn't really matter what level the fluid is in the bottle as long as the level in the header tank is OK, and I assume you check that frequently as part of your preparation for flight. The bottle is just there to make any fluid pushed out by thermal expansion recoverable as I see it. Why add weight and complication? regards, David Joyce, G-XSDJ
>> On Mon, 26 May 2014 09:35:12 +0100
>> Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>>>
>>> Hi alan
>>> I drilled into the side of the plastic expansion bottle that Rotax supplied, I put her midway so the level would need to drop to minimum before the sensor triggered,
>>> I will try and turn up the type of float sensor I used from my records and let you no,
>>> It's a simple wiring job once you are through the firewall,
>>> Regards
>>> Ivor
>>> Sent from my iPad
>>>> On 26 May 2014, at 08:51, "Alan Carter" <alancarteresq(at)onetel.net> wrote:
>>>>
>>>> Hello Ivor.
>>>> Looks like Lydd is going to become more active know Manston is closed.
>>>> I would like to fit an indicator the same as you have done, sounds a good idea, is there something you can drill and attach to the filler cap.
>>>> Can you give some info on this.
>>>> Regards.
>>>> Alan
>>>> Read this topic online here:
>>>> http://forums.matronics.com/viewtopic.php?p=423797#423797
>>> Un/Subscription,
>>> http://www.matronics.com/Navigator?RotaxEngines-List
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PostPosted: Fri May 30, 2014 9:21 pm    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

What if the overflow bottle was mounted on the cockpit side of the firewall where it was visible at all times?
On May 28, 2014, at 2:04 AM, Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:

Quote:


I see what you are say David but in my case it works well, my Expansion bottle is set high in the centre of the firewall and has a positive head of pressure back to the filler cap,
Twice I have had small leaks, one from a hose clip before changing to the spring clamp type and once from a bottom hose bleed nipple that I had fitted,
Both times I was aware of the coolant loss long before it became critical,
I take your point that with a burst hose it probably wouldn't react quickly enough but thats were my water temperature sender with voice activated Dynon shouting high temperature in my ears would get my complete attention,

Regards
ivor

Sent from my iPad

> On 27 May 2014, at 14:58, "David Joyce" <davidjoyce(at)doctors.org.uk> wrote:
>
>
>
> Ivor, It is not often I disagree with you, but I would guess that a leaking or burst hose will let fluid out and air out of/in to the radiator system without producing sufficient suction to empty out the overflow bottle, so that you could boil without your level sensor saying anything. On the other hand boiling the coolant is something that is very noticeable in air - you get blue fluid all over the screen - experienced when I was trying to do a 5 min full power climb to satisfy the LAA with one of my early model props.!
> Regards, David
>
>
> On Tue, 27 May 2014 10:41:43 +0100
> Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>>
>> I don't quite agree David, if unbeknown to you one of your hoses/ connections developed a leak when airborne you would be unaware until the level dropped below the pressure cap bottle,
>> Once it had done so it would effectively stop circulating through the radiator and your temperature would start climbing upwards, The sensor is a couple of grams at most and IMO would give me a heads up long before it got critical, My expansion bottle is centre of the firewall as high as possible so cannot be seen without removing the top cowl, I of course visually check it but on a long flight it nice to know that nothing untoward is happening,
>> For people interested in the sensor I used its a DE4 PPS 10 A01. Website
>> http://www.deeter.co.uk/products/float-switch-liquid-level-sensors-overview/40-series-horizontal-liquid-level-sensor-float-switch
>> Regards
>> Ivor
>> Sent from my iPad
>>> On 26 May 2014, at 11:19, "David Joyce" <davidjoyce(at)doctors.org.uk> wrote:
>>>
>>> Alan, For my money it doesn't really matter what level the fluid is in the bottle as long as the level in the header tank is OK, and I assume you check that frequently as part of your preparation for flight. The bottle is just there to make any fluid pushed out by thermal expansion recoverable as I see it. Why add weight and complication? regards, David Joyce, G-XSDJ
>>> On Mon, 26 May 2014 09:35:12 +0100
>>> Ivor Phillips <ivor.phillips(at)ntlworld.com> wrote:
>>>>
>>>> Hi alan
>>>> I drilled into the side of the plastic expansion bottle that Rotax supplied, I put her midway so the level would need to drop to minimum before the sensor triggered,
>>>> I will try and turn up the type of float sensor I used from my records and let you no,
>>>> It's a simple wiring job once you are through the firewall,
>>>> Regards
>>>> Ivor
>>>> Sent from my iPad
>>>>> On 26 May 2014, at 08:51, "Alan Carter" <alancarteresq(at)onetel.net> wrote:
>>>>>
>>>>> Hello Ivor.
>>>>> Looks like Lydd is going to become more active know Manston is closed.
>>>>> I would like to fit an indicator the same as you have done, sounds a good idea, is there something you can drill and attach to the filler cap.
>>>>> Can you give some info on this.
>>>>> Regards.
>>>>> Alan
>>>>> Read this topic online here:
>>>>> http://forums.matronics.com/viewtopic.php?p=423797#423797
>>>> Un/Subscription,
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>>>> Forums!
>>>> Admin.
>> Un/Subscription,
>> http://www.matronics.com/Navigator?RotaxEngines-List
>> Forums!
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>
>
>
>







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PostPosted: Fri May 30, 2014 11:47 pm    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

When the fluid boils the cockpit could be filled with steam. That would
certainly get your attention!

Regards

Brian Davies

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dirtfly7(at)yahoo.com
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PostPosted: Sat May 31, 2014 5:41 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Thats the whole point right Smile
On May 31, 2014, at 1:46 AM, Brian Davies <brian.davies(at)clara.co.uk (brian.davies(at)clara.co.uk)> wrote:
[quote]--> RotaxEngines-List message posted by: "Brian Davies" <brian.davies(at)clara.co.uk (brian.davies(at)clara.co.uk)>

When the fluid boils the cockpit could be filled with steam. That would
certainly get your attention!

Regards

Brian Davies

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b.carl@sympatico.ca



Joined: 20 May 2008
Posts: 77

PostPosted: Sat May 31, 2014 12:44 pm    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

I was once comfortable checking the overflow bottle level. not any more. A
friend had a small leak in one of his hoses and the first indication he had
was an overheat indication. When he landed his over flow bottle was at the
normal level but he had no coolant in the pressure reservoir.
Over time the coolant had slowly leaked ender pressure and on cool down the
system sucked in air instead of coolant from the reserve bottle.
I now check for leaks, bottle level and coolant in the pressure tank.
Carl
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richard collings



Joined: 08 Jul 2011
Posts: 73
Location: warwickshire england

PostPosted: Mon Jun 02, 2014 4:19 am    Post subject: Rotax 914 Turbo Warning Lights Reply with quote

Hi everyone.
I think the experienced pilots amongst our community need to stop this right now and I don’t class myself in that group. Imagine the situation, say on take off, your busy in the cockpit to say the least and you see the engine temp rise into the red,
what do you do, you can’t shut down, you must expedite a safe landing asap. If you have time before the engine seizes try to do an abbreviated circuit and radio your intention with a Pan call and pray you can get back down in one piece. I am sure other pilots will offer differing scenarios. The point is if on top of the considerable work load the pilot has, he now has to somehow manage boiling water and steam in the cabin, he isn’t going to do it.
Sorry for being blunt.
Richard
only 700ish hrs 75 on type
From: Joel Milloway (dirtfly7(at)yahoo.com)
Sent: Saturday, May 31, 2014 2:40 PM
To: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Subject: Re: Re: Rotax 914 Turbo Warning Lights


Thats the whole point right Smile
On May 31, 2014, at 1:46 AM, Brian Davies <brian.davies(at)clara.co.uk (brian.davies(at)clara.co.uk)> wrote:
[quote] --> RotaxEngines-List message posted by: "Brian Davies" <brian.davies(at)clara.co.uk (brian.davies(at)clara.co.uk)>

When the fluid boils the cockpit could be filled with steam. That would
certainly get your attention!

Regards

Brian Davies

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