Today's Message Index:
----------------------
0. 12:08 AM - What's Your Contribution Used For? (Matt Dralle)
1. 12:35 AM - Re: Question for 914 users (Remi Guerner)
2. 12:31 PM - Re: Question for 914 users (pestar)
3. 02:39 PM - Re: Re: Question for 914 users (Kingsley Hurst)
4. 02:48 PM - Re: Re: Question for 914 users (Kingsley Hurst)
5. 04:29 PM - Re: Re: Question for 914 users (Garry Stout)
6. 07:47 PM - Re: Question for 914 users (pestar)
7. 08:10 PM - Re: Re: Question for 914 users (Kingsley Hurst)
Message 0
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| Subject: | What's Your Contribution Used For? |
Dear Listers,
You might have wondered at some pointd, "What's my Contribution used for?" Here
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and Wiki.
But most importantly, your List Contribution enables a forum where you and your
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It is YOUR CONTRIBUTION that directly enables all these aspects of Matronics List
services. Please support it today with your List Contribution. Its one of
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List Contribution Web Site:
http://www.matronics.com/contribution
or, you can send a personal check to the following address:
Matronics / Matt Dralle
581 Jeannie Way
Livermore, CA 94550
Thank you for your support!
Matt Dralle
Email List Administrator
Message 1
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| Subject: | Re: Question for 914 users |
Kingsley,
It seems your wastegate takes more time than normal to move to its position. This
may be caused by some undesirable friction in the system. I would first investigate
this possible cause. I suggest you disconnect the waste gate bowden cable
at both ends and pull it back and forth. Move the waste gate lever back and
forth. Both should move easily. If they dont, some cleaning and lubrication
should solve the problem.
Please let us know your findings. Good luck.
Remi
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387667#387667
Message 2
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| Subject: | Re: Question for 914 users |
As the other New Zealand 914 user that Bill refers to I add a little advice that
may help.
You state you are only seeing 34 ins, that is what you get when the TCU is not
working. How do I know, I took off the other day with the TCU switched off and
noted that I only pulled about 33 in manifold but was still getting full rpm,
5780 in my case.
This makes sense and though I do not suggest taking off with the TCU switched off
it can be tried and would be a good pointer to see if your TCU is working.
That is apart from the usual checks to see if the servo is cycling.
Cheers Peter
--------
Peter Armstrong
Auckland, New Zealand
DynAero MCR-4S (Do not shoot me :) ).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387706#387706
Message 3
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| Subject: | Re: Question for 914 users |
Peter,
I eventually get 38" at 115% throttle setting. I get 34" at 100% throttle on the
climb and it maintains 34" to 12,000 ft so I assume the TCU must be working.
The TCU cycles perfectly on turn on.
Having said that, I can certainly try a T/O with the TCU turned off to observe
what happens.
I need to have a fly behind another 914 in case my problem is only imaginary.
Thank you for your help.
Kingsley
Sent from my iPhone
On 13/11/2012, at 6:30 AM, "pestar" <peter@reivernet.com> wrote:
>
> As the other New Zealand 914 user that Bill refers to I add a little advice that
may help.
>
> You state you are only seeing 34 ins, that is what you get when the TCU is not
working. How do I know, I took off the other day with the TCU switched off
and noted that I only pulled about 33 in manifold but was still getting full rpm,
5780 in my case.
>
> This makes sense and though I do not suggest taking off with the TCU switched
off it can be tried and would be a good pointer to see if your TCU is working.
That is apart from the usual checks to see if the servo is cycling.
>
> Cheers Peter
>
> --------
> Peter Armstrong
> Auckland, New Zealand
> DynAero MCR-4S (Do not shoot me :) ).
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387706#387706
>
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Question for 914 users |
Remi,
Observing the waste gate lever and cable during the TCU test, it all appears to
be nice and free. Notwithstanding, I shall check the cable as you describe.
Thank you for taking the time to assist.
Kingsley
Sent from my iPhone
On 12/11/2012, at 6:34 PM, "Remi Guerner" <air.guerner@orange.fr> wrote:
>
> Kingsley,
> It seems your wastegate takes more time than normal to move to its position.
This may be caused by some undesirable friction in the system. I would first investigate
this possible cause. I suggest you disconnect the waste gate bowden
cable at both ends and pull it back and forth. Move the waste gate lever back
and forth. Both should move easily. If they dont, some cleaning and lubrication
should solve the problem.
> Please let us know your findings. Good luck.
> Remi
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387667#387667
>
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: Question for 914 users |
Not sure how you got 33 ins MP without turbo boost. Nominal ambient
pressure at sea level is 29.92 ins. You need turbo boost to achieve
something higher.
Garry Stout
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of pestar
Sent: Monday, November 12, 2012 3:31 PM
Subject: Europa-List: Re: Question for 914 users
As the other New Zealand 914 user that Bill refers to I add a little advice
that may help.
You state you are only seeing 34 ins, that is what you get when the TCU is
not working. How do I know, I took off the other day with the TCU switched
off and noted that I only pulled about 33 in manifold but was still getting
full rpm, 5780 in my case.
This makes sense and though I do not suggest taking off with the TCU
switched off it can be tried and would be a good pointer to see if your TCU
is working. That is apart from the usual checks to see if the servo is
cycling.
Cheers Peter
--------
Peter Armstrong
Auckland, New Zealand
DynAero MCR-4S (Do not shoot me :) ).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387706#387706
Message 6
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| Subject: | Re: Question for 914 users |
It is because I live in the Southern Hemisphere and do not get impacted by Northern
Hemisphere FUD. (':D')
Seriously I questioned that as well as what you say is correct however that is
what my manifold pressure was reading on my EFIS.
Cheers Peter
--------
Peter Armstrong
Auckland, New Zealand
DynAero MCR-4S (Do not shoot me :) ).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387738#387738
Message 7
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| Subject: | Re: Question for 914 users |
Gary,
On the 914, even with the waste gate fully open, not all of the exhaust gas bypasses
the turbo hence there is still some boost. According to the manual, with
a fully open waste gate, the engine will produce 70 Kw (approx 93 HP) instead
of the 80 HP the same engine would produce if the turbo charger was removed.
Regards
Kingsley
Sent from my iPhone
On 13/11/2012, at 10:28 AM, "Garry Stout" <garrys@tampabay.rr.com> wrote:
>
> Not sure how you got 33 ins MP without turbo boost. Nominal ambient
> pressure at sea level is 29.92 ins. You need turbo boost to achieve
> something higher.
>
> Garry Stout
>
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of pestar
> Sent: Monday, November 12, 2012 3:31 PM
> To: europa-list@matronics.com
> Subject: Europa-List: Re: Question for 914 users
>
>
> As the other New Zealand 914 user that Bill refers to I add a little advice
> that may help.
>
> You state you are only seeing 34 ins, that is what you get when the TCU is
> not working. How do I know, I took off the other day with the TCU switched
> off and noted that I only pulled about 33 in manifold but was still getting
> full rpm, 5780 in my case.
>
> This makes sense and though I do not suggest taking off with the TCU
> switched off it can be tried and would be a good pointer to see if your TCU
> is working. That is apart from the usual checks to see if the servo is
> cycling.
>
> Cheers Peter
>
> --------
> Peter Armstrong
> Auckland, New Zealand
> DynAero MCR-4S (Do not shoot me :) ).
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387706#387706
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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