Today's Message Index:
----------------------
1. 01:17 AM - Dynon Pitot Head (Ross Hyndman)
2. 05:45 AM - Re: Sun N Fun (Jim Butcher)
3. 06:38 AM - Re: Fw: Alternator Lamp (Horizonspace@aol.com)
4. 07:53 AM - Re: Fw: Alternator Lamp (Cliff Shaw)
5. 07:55 AM - Re: Re: Sun N Fun (Steven Pitt)
6. 10:02 AM - Re: Re: Rotax regulator (Gilles Thesee)
7. 10:13 AM - Re: Dynon Pitot Head (DuaneFamly@aol.com)
8. 12:56 PM - Re: scratches (Paul Stewart)
9. 12:56 PM - Re: Mod 61 - Stall warner questionMod 61 - Stall warner question (Rowland Carson)
10. 01:08 PM - Re: scratches (NevEyre@aol.com)
11. 01:11 PM - Re: Mod 61 - Stall warner questionMod 61 - Stall warner question (NevEyre@aol.com)
12. 03:05 PM - Rotax regulator (Richard Holder)
13. 03:27 PM - Re: Rotax regulator (Gilles Thesee)
14. 10:33 PM - Re: Re: Rotax regulator (William Mills)
Message 1
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Subject: | Dynon Pitot Head |
--> Europa-List message posted by: Ross Hyndman <rhyndman@paradise.net.nz>
Has anyone installed a Dynon D10A or D100. They come with a pitot head,
OAT and magnetic sensor. Does anyone have ideas on the mounting
positions for these sensors?
Ross
Just started, Classic wings, the rest XS, Rotax 914.
Message 2
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--> Europa-List message posted by: "Jim Butcher" <europa@triton.net>
Acouple of years ago I set up a Europa forum at SNF. About 20 people came
and it got a lot of good conversation going. I won't be there this year
(trying to get the hours flown off) so if one of you that is going would set
up a forum it makes a good way for everyone interested in Europa to meet at
a defined time and place. All you have to do is go to the SNF website and
request a forum.
I'll set up a forum at OSH.
Jim Butcher
N241BW
Waiting for weather to clear to continue test flights
Message 3
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Subject: | Re: Fwd: Alternator Lamp |
--> Europa-List message posted by: Horizonspace@aol.com
The latest Rotax Installation article by Phil Lockwood explains the Rotax
912 electrical system including the operation of the alternator lamp. You can
find it at the following link:
_http://www.sportpilot.org/magazine/feature/2005%20-%2012%20December%20-%20Tip
s%20and%20Tricks%20for%20Ideal%20Rotax%20912%20Installation.pdf_
(http://www.sportpilot.org/magazine/feature/2005%20-%2012%20December%20-%20Tips%20and%20Tri
cks%20for%20Ideal%20Rotax%20912%20Installation.pdf)
T
Message 4
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Subject: | Re: Fwd: Alternator Lamp |
--> Europa-List message posted by: "Cliff Shaw" <flyinggpa@comcast.net>
I could not find the article using that long string of URL . I found this worked.
www.sportpilot.org/magazine/feature/
Cliff Shaw
1041 Euclid ave.
Edmonds, WA 98020
425 776 5555
http://www.europaowners.org/WileE
----- Original Message -----
From: Horizonspace@aol.com
To: europa-list@matronics.com
Sent: Tuesday, January 31, 2006 6:35 AM
Subject: Re: Europa-List: Fwd: Alternator Lamp
--> Europa-List message posted by: Horizonspace@aol.com
The latest Rotax Installation article by Phil Lockwood explains the Rotax
912 electrical system including the operation of the alternator lamp. You can
find it at the following link:
_http://www.sportpilot.org/magazine/feature/2005%20-%2012%20December%20-%20Tip
s%20and%20Tricks%20for%20Ideal%20Rotax%20912%20Installation.pdf_
(http://www.sportpilot.org/magazine/feature/2005%20-%2012%20December%20-%20Tips%20and%20Tri
cks%20for%20Ideal%20Rotax%20912%20Installation.pdf)
T
Message 5
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--> Europa-List message posted by: "Steven Pitt" <steven.pitt2@ntlworld.com>
Jim
I can build a Europa but the workings of the internet leave me a little
cold.
I will be visiting Sun'n'Fun with a couple of British colleagues, including
Andy and John from 'the factory'. Other known visitors will be Peter Grant,
the Europa Club editor, and at last e-mail I think Alan Burrows was also
intending to be in Florida. I await further names.
As we are only just getting our act together I do not know if any
official/unofficial gatherings are to take place but if this forum can
receive any visitor intentions I can try to keep a list for the week.
Last year we had some very successful impromptu meals but my wife is
concerned that I will get led astray again!!
Regards
Steve Pitt #403 G-SMDH
----- Original Message -----
From: "Jim Butcher" <europa@triton.net>
Sent: 31 January 2006 13:39
Subject: Europa-List: Re: Sun N Fun
> --> Europa-List message posted by: "Jim Butcher" <europa@triton.net>
>
> Acouple of years ago I set up a Europa forum at SNF. About 20 people came
> and it got a lot of good conversation going. I won't be there this year
> (trying to get the hours flown off) so if one of you that is going would
set
> up a forum it makes a good way for everyone interested in Europa to meet
at
> a defined time and place. All you have to do is go to the SNF website and
> request a forum.
>
> I'll set up a forum at OSH.
>
> Jim Butcher
> N241BW
> Waiting for weather to clear to continue test flights
>
>
Message 6
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Subject: | Re: Rotax regulator |
--> Europa-List message posted by: Gilles Thesee <Gilles.Thesee@ac-grenoble.fr>
William Mills a crit :
>Do you consider the Rotax regulator could develop an intermittent fault so
>that it is not always charging at full capacity? I have noticed in flight
>that sometimes the voltmeter drops to about 13 V and other times it stays at
>14 V (13.8, I presume). Last time I brought the aircraft home the battery
>was not full charged and needed some time on the charger to top it up. The
>battery is an Odyssey PC680 and is only one year old.
>Many thanks,
>
>
Richard and all,
It would be interesting to study what electrical devices are on, and
what the engine RPM are, versus voltmeter readings. It is normal to see
the bus voltage drop when the current draw is high. It also depends on
the battery state of charge.
Now, if there is a problem, yes the regulator could be the culprit, but
there are so many other causes to investigate.
Frequent problems are faulty wiring, especially the connection between
the regulator case and the ship's ground. Remember your 14-18 charging
amps flow through this connection.
Every connection in the circuit should be checked for tightness, absence
of corrosion, correct wire gauge, etc.
Also, you need a thorough load analysis in order to be sure your
permanent draw does not exceed 10-12 amps. And remember the alternator
delivers power when RPM is sufficient, that is around 5000 RPM.
Do you have a schematic of your aircraft circuit ?
Regards,
Gilles Thesee
Grenoble, France
http://contrails.free.fr
Message 7
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Subject: | Re: Dynon Pitot Head |
--> Europa-List message posted by: DuaneFamly@aol.com
Ross,
I have just received my Dynon D100. The remote magnetic sensor is in a small
(4"x2"x11/2") box that gets mounted inside the fuselage with a specific
orientation to the display unit and away from any magnetic fields caused by
electrical wires or equipment. It comes with an 18' long cable harness.
The OAT probe "be mounted somewhere on the skin of the airplane where it will
not be affected by heat sources".
The Pitot probe "has been designed for under the wing installation". They
recommend "mount it at least 6 to 8 inches below the wing and with the tip of the
probe between 2 and 12 inches behind the leading edge". They go on to say
that it is usually mounted about mid-wing to stay out of the effect of the prop
and the wing tip.
I hope this helps. Let me know if you need any other info that I might have.
Mike Duane
Redding, Calif
XS Conventional Gear
Message 8
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--> Europa-List message posted by: Paul Stewart <europa@pstewart.f2s.com>
Cliff - feel free to give me any advice you think might help - I'm sure
it won't be the last stupid thing I do - it certainly wasn't the first.
Thanks to those that responded. I have found similar products from Light
Aero spares in the UK.
Regards
Paul
G-GIDY
Message 9
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Subject: | Re: Mod 61 - Stall warner questionMod 61 - Stall warner |
question
--> Europa-List message posted by: Rowland Carson <rowil@clara.net> warner question
At 2006-01-30 09:56 -0800 Andrew Sarangan wrote:
>I could not find Neville's posting in the archives on using a light
>bulb to locate the distance
Andrew - I'm not sure who originally offered the idea, but here's the
one that worked very easily for me - I certainly don't claim to be
the originator.
Once you've made your hole in the spar, place a very bright light in
front of the wing leading edge (not too close, don't cook the wing!).
You should be able to look forward through the spar hole and note
that the light is shining through the leading edge skin. You may have
to arrange things so that the light is not shining directly in your
eyes above the wing skin while you're trying to squint through the
hole. Now ask your beautiful assistant to hold up an opaque sheet
(metal, wood, thick card) close to the LE. You should be able to see
the edge of the shadow cast by the opaque sheet. Now ask the
assistant (before she gets gets fed up & goes away again) to slide
the sheet inboard or outboard on the wing LE until the edge of its
shadow (as seen by you looking forwards through the spar hole) is in
the desired position relative to the edge of the rib nose. Next she
should use her marker pen to put a nice dot on the LE at the very
edge of her opaque sheet. That's got the position fixed in one plane
- nw use the template to fix the hole in the up/down direction.
It is possible to do a similar process single-handed - but as all the
best maths books say, this is left as an exercise for the student.
regards
Rowland
--
| Rowland Carson PFA #16532 <http://home.clara.net/rowil/aviation/>
| 750 hours building Europa #435 G-ROWI e-mail <rowil@clara.net>
Message 10
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--> Europa-List message posted by: NevEyre@aol.com
Paul,
With the fine abrasive papers, and the polish, don't go round in circles, or
you will get a '' Torvil and Dean '' effect, best to go ''up and
down'' so any small residual marks will be in that plane, and not horizontal,
which seems to show up more ? [ or you will be looking thru more of it on the
horizon ?]
If the scratches are deep, sand / polish a larger area, so as to get a
gradual ''thinning'' rather than a ''dip''.
Softly, softly, and you can be sure of rescuing it.
Cheers,
Nev.
Message 11
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Subject: | Re: Mod 61 - Stall warner questionMod 61 - Stall warner |
question
--> Europa-List message posted by: NevEyre@aol.com
A big [ D cell ] Maglite, sat on scrap foam, shining forward thru the hole
in the spar works well if you have no pretty assistant to hand, get your head
under a blanket, draped over the leading edge, and the rib will show up thru
the wing, where there is no foam present.
Cheers,
Nev; [ with no pretty assistant to hand !]
Message 12
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--> Europa-List message posted by: Richard Holder <rholder@avnet.co.uk>
I checked the C terminal. Disconnecting it does eventually
kill the charging but not very quickly, so disconnecting
the C connection via a crowbar won't work.
At about 5000 rpm the C terminal was taking 0.04 A.
Not-a-lot !
Gilles - I notice you say that earthing the C terminal
will kill the output. But your own wiring diagram shows
that the C terminal is connected directly to a diode which
would not allow any current to run to earth from inside
the regulator ! So I suspect your "earthing" of the C
terminal was really just disconnecting it.
I replaced my original (intermittent fault) rectifier
today and it worked. So the replacement (which flicked the
ammeter needle between 1 - 10 amps 5 times a second over
5000 rpm) was faulty and it will be on its way back to the
supplier tomorrow !
I actually looked at the circuit board of my original (now
re-installed) regulator and saw three possible sites for
dry-joints. So I applied my soldering iron. The regulator
still works so I didn't bu**er it up; I will wait for a
few flights before I proclaim that I have fixed the
intermittent failure to charge !
Richard with positive engineering news about the
electrics. So now to continue to determine why the oil
thermostat doesn't work the way I expected.
G-OWWW High Cross
Message 13
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Subject: | Re: Rotax regulator |
--> Europa-List message posted by: Gilles Thesee <Gilles.Thesee@ac-grenoble.fr>
Hi Richard and all,
>--> Europa-List message posted by: Richard Holder <rholder@avnet.co.uk>
>
>I checked the C terminal. Disconnecting it does eventually
>kill the charging but not very quickly, so disconnecting
>the C connection via a crowbar won't work.
>
>
In our circuit, the crow bar connects the C wire to ground, so it sees
zero volt. At the same time, it trips the alternator disconnect CB,
opening the line relay. So the alternator is totally disconnected from
the ship's circuit.
>At about 5000 rpm the C terminal was taking 0.04 A.
>Not-a-lot !
>
>Gilles - I notice you say that earthing the C terminal
>will kill the output. But your own wiring diagram shows
>that the C terminal is connected directly to a diode which
>would not allow any current to run to earth from inside
>the regulator !
>
Correct. The C terminal is a sense connection to provide a reference
voltage to the command circuit. When you ground it, the reference
voltage is zero volt.
No current is intended to flow out of it. C voltage is always greater
than or equal to zero volt.
>So I suspect your "earthing" of the C
>terminal was really just disconnecting it.
>
>
What voltage does C teminal see when it is left dangling "in the air" ?
>I replaced my original (intermittent fault) rectifier
>today and it worked. So the replacement (which flicked the
>ammeter needle between 1 - 10 amps 5 times a second over
>5000 rpm) was faulty and it will be on its way back to the
>supplier tomorrow !
>
>I actually looked at the circuit board of my original (now
>re-installed) regulator and saw three possible sites for
>dry-joints. So I applied my soldering iron. The regulator
>still works so I didn't bu**er it up; I will wait for a
>few flights before I proclaim that I have fixed the
>intermittent failure to charge !
>
>Richard with positive engineering news about the
>electrics.
>
Great news.
> So now to continue to determine why the oil
>thermostat doesn't work the way I expected.
>
>
>
Maybe I missed previous messages, but how should it work, and how does
it behave ?
We shunned the thermostat thing, and went the duct and cowl flap route,
with great satisfaction.
Regards,
Gilles Thesee
Grenoble, France
http://contrails.free.fr
Message 14
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Subject: | Re: Rotax regulator |
--> Europa-List message posted by: "William Mills" <william@wrmills.plus.com>
Thanks John and Gilles,
I'm afraid I don't have a schematic, but I have several hundred hours with
the same loading regime and I have noticed a change in the readings on the
VDO voltmeter over the past 3 months or so. It is also intermittent. I
will check all my connections, however. Would a smear of grease help to
maintain a good connection?
B w,
William
Do not archive
----- Original Message -----
From: "Gilles Thesee" <Gilles.Thesee@ac-grenoble.fr>
Sent: Tuesday, January 31, 2006 5:57 PM
Subject: Re: Europa-List: Re: Rotax regulator
> --> Europa-List message posted by: Gilles Thesee
> <Gilles.Thesee@ac-grenoble.fr>
>
> William Mills a crit :
>
>>Do you consider the Rotax regulator could develop an intermittent fault so
>>that it is not always charging at full capacity? I have noticed in flight
>>that sometimes the voltmeter drops to about 13 V and other times it stays
>>at
>>14 V (13.8, I presume). Last time I brought the aircraft home the battery
>>was not full charged and needed some time on the charger to top it up.
>>The
>>battery is an Odyssey PC680 and is only one year old.
>>Many thanks,
>>
>>
> Richard and all,
>
> It would be interesting to study what electrical devices are on, and
> what the engine RPM are, versus voltmeter readings. It is normal to see
> the bus voltage drop when the current draw is high. It also depends on
> the battery state of charge.
>
> Now, if there is a problem, yes the regulator could be the culprit, but
> there are so many other causes to investigate.
> Frequent problems are faulty wiring, especially the connection between
> the regulator case and the ship's ground. Remember your 14-18 charging
> amps flow through this connection.
> Every connection in the circuit should be checked for tightness, absence
> of corrosion, correct wire gauge, etc.
> Also, you need a thorough load analysis in order to be sure your
> permanent draw does not exceed 10-12 amps. And remember the alternator
> delivers power when RPM is sufficient, that is around 5000 RPM.
>
> Do you have a schematic of your aircraft circuit ?
>
> Regards,
> Gilles Thesee
> Grenoble, France
> http://contrails.free.fr
>
>
> --
> 27/01/2006
>
>
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