Today's Message Index:
----------------------
1. 07:42 AM - NMEA ()
2. 07:57 AM - Re: wing tip light covers (Rob Housman)
3. 09:28 AM - Re: NMEA (Peter Jeffers)
4. 09:35 AM - Re: NMEA (Alan Burrill)
5. 10:57 AM - Re: NMEA (Peter Jeffers)
6. 11:33 AM - Re: NMEA (David Joyce)
7. 11:47 AM - Re: stopping engine in flight (Gary Leinberger)
8. 12:11 PM - Re: Re: stopping engine in flight (David Joyce)
9. 01:19 PM - Re: Re: stopping engine in flight (Terry Seaver (terrys))
10. 01:40 PM - Re: Re: stopping engine in flight (Ian Cook)
11. 04:04 PM - MG Spins (Karl Heindl)
12. 05:17 PM - Re: Re: stopping engine in flight (Terry Seaver (terrys))
13. 05:18 PM - Re: MG Spins (Terry Seaver (terrys))
14. 05:59 PM - Re: Re: stopping engine in flight (Fred Klein)
Message 1
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Cheers,
I'm off the study of this topic, but can offer a clue. I have a
ham program which permits the use of the NMEA protocol. This worthy
application includes a series "statements" which allow the GPS receiver to
calculate your position, and other qualities. However, it was designed as
marine program, wherein ships don't usually change route every few minutes
as our aircraft might. Therefore, it is missing a sentence which allows for
setting up a series of legs on a flight. This is either RMB or RMC (I think
the former - experts please correct). I have failed to discover a device -
other than the multi-buck aircraft navs - which include this vital sentence.
For clarity why not consult Wikipedia, which explains it far better than I
what the sentences are. It's marvellous - and shouldn't leave anyone 'cold'.
hey,
Ferg
Message 2
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| Subject: | wing tip light covers |
I'm ready to buy.
Best regards,
Rob Housman
Irvine, California
Europa XS A070
Rotax 914
Airframe complete
Avionics a work in progress
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Fred Klein
Sent: Thursday, August 15, 2013 12:29 PM
Subject: Europa-List: wing tip light covers
All...please contact me if you have any interest in ordering a set of clear
polycarbonate wing tip light covers...I'll be making a run of them shortly.
I offer the light cover only, but in my installation, I have fitted LED
position lights, strobes, and a halogen landing light for a neat, no drag
installation. Photo below...nice winter project!
Cheers,
Fred
Message 3
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Hi Ferg,
I have this very afternoon instructed my Lowrance to transmit NMEA version 2
configured to RMC & RMB to the autopilot. If you are correct with your
statement below then with any luck on Sunday my Auto pilot may just take me
to the Laddingford Europa fly in all by itself. I await being amazed by
technology that I do not understand.
Ferg many thanks for your input.
Pete
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of
f.kyle@sympatico.ca
Sent: 16 August 2013 15:42
Subject: Europa-List: NMEA
Cheers,
I'm off the study of this topic, but can offer a clue. I have a
ham program which permits the use of the NMEA protocol. This worthy
application includes a series "statements" which allow the GPS receiver to
calculate your position, and other qualities. However, it was designed as
marine program, wherein ships don't usually change route every few minutes
as our aircraft might. Therefore, it is missing a sentence which allows for
setting up a series of legs on a flight. This is either RMB or RMC (I think
the former - experts please correct). I have failed to discover a device -
other than the multi-buck aircraft navs - which include this vital sentence.
For clarity why not consult Wikipedia, which explains it far better than I
what the sentences are. It's marvellous - and shouldn't leave anyone 'cold'.
hey,
Ferg
Message 4
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Peter, well done.
Alan
Sent from my iPad
On 16 Aug 2013, at 17:27, " Peter Jeffers" <pjeffers@talktalk.net> wrote:
> Hi Ferg,
>
> I have this very afternoon instructed my Lowrance to transmit NMEA version
2 configured to RMC & RMB to the autopilot. If you are correct with your s
tatement below then with any luck on Sunday my Auto pilot may just take me t
o the Laddingford Europa fly in all by itself. I await being amazed by tech
nology that I do not understand.
> Ferg many thanks for your input.
>
> Pete
>
> From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-ser
ver@matronics.com] On Behalf Of f.kyle@sympatico.ca
> Sent: 16 August 2013 15:42
> To: 5EUROPALIST
> Subject: Europa-List: NMEA
>
> Cheers,
> I=99m off the study of this topic, but can offer a clue.
I have a ham program which permits the use of the NMEA protocol. This worth
y application includes a series =9Cstatements=9D which allow the
GPS receiver to calculate your position, and other qualities. However, it w
as designed as marine program, wherein ships don=99t usually change r
oute every few minutes as our aircraft might. Therefore, it is missing a sen
tence which allows for setting up a series of legs on a flight. This is eith
er RMB or RMC (I think the former - experts please correct). I have failed t
o discover a device - other than the multi-buck aircraft navs - which includ
e this vital sentence. For clarity why not consult Wikipedia, which explains
it far better than I what the sentences are. It=99s marvellous - and s
houldn=99t leave anyone =98cold=99.
> hey,
> Ferg
>
>
> http://www.matronics.com/Navigator?Europa-List
> http://forums.matronics.com
> http://www.matronics.com/contribution
>
>
>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
Message 5
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Thanks also to you Alan. May have to withdraw it if I end up in LCZ.
Pete
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Alan Burrill
Sent: 16 August 2013 17:35
Subject: Re: Europa-List: NMEA
Peter, well done.
Alan
Sent from my iPad
On 16 Aug 2013, at 17:27, " Peter Jeffers" <pjeffers@talktalk.net> wrote:
Hi Ferg,
I have this very afternoon instructed my Lowrance to transmit NMEA version 2
configured to RMC & RMB to the autopilot. If you are correct with your
statement below then with any luck on Sunday my Auto pilot may just take me
to the Laddingford Europa fly in all by itself. I await being amazed by
technology that I do not understand.
Ferg many thanks for your input.
Pete
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of
f.kyle@sympatico.ca
Sent: 16 August 2013 15:42
Subject: Europa-List: NMEA
Cheers,
I'm off the study of this topic, but can offer a clue. I have a
ham program which permits the use of the NMEA protocol. This worthy
application includes a series "statements" which allow the GPS receiver to
calculate your position, and other qualities. However, it was designed as
marine program, wherein ships don't usually change route every few minutes
as our aircraft might. Therefore, it is missing a sentence which allows for
setting up a series of legs on a flight. This is either RMB or RMC (I think
the former - experts please correct). I have failed to discover a device -
other than the multi-buck aircraft navs - which include this vital sentence.
For clarity why not consult Wikipedia, which explains it far better than I
what the sentences are. It's marvellous - and shouldn't leave anyone 'cold'.
hey,
Ferg
<http://www.matronics.com/Navigator?Europa-List>
http://www.matronics.com/Navigator?Europa-List
<http://forums.matronics.com> http://forums.matronics.com
<http://www.matronics.com/contribution>
http://www.matronics.com/contribution
Message 6
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Pete, My autopilot will be be taking me there as well on
Sunday. Do you think we should introduce them or just wait
for them to bump into each other?
Regards, David, G- XSDJ
On Fri, 16 Aug 2013 17:27:20 +0100
" Peter Jeffers" <pjeffers@talktalk.net> wrote:
> Hi Ferg,
>
>
>
> I have this very afternoon instructed my Lowrance to
>transmit NMEA version 2
> configured to RMC & RMB to the autopilot. If you are
>correct with your
> statement below then with any luck on Sunday my Auto
>pilot may just take me
> to the Laddingford Europa fly in all by itself. I await
>being amazed by
> technology that I do not understand.
>
>Ferg many thanks for your input.
>
>
>
> Pete
>
>
>
> _____
>
>From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On
>Behalf Of
> f.kyle@sympatico.ca
> Sent: 16 August 2013 15:42
> To: 5EUROPALIST
> Subject: Europa-List: NMEA
>
>
>
> Cheers,
>
> I'm off the study of this topic, but can
>offer a clue. I have a
> ham program which permits the use of the NMEA protocol.
>This worthy
> application includes a series "statements" which allow
>the GPS receiver to
> calculate your position, and other qualities. However,
>it was designed as
> marine program, wherein ships don't usually change route
>every few minutes
> as our aircraft might. Therefore, it is missing a
>sentence which allows for
> setting up a series of legs on a flight. This is either
>RMB or RMC (I think
> the former - experts please correct). I have failed to
>discover a device -
> other than the multi-buck aircraft navs - which include
>this vital sentence.
>For clarity why not consult Wikipedia, which explains it
>far better than I
> what the sentences are. It's marvellous - and shouldn't
>leave anyone 'cold'.
>
> hey,
>
>Ferg
>
>
>
>
Message 7
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| Subject: | Re: stopping engine in flight |
I have a Tri-Gear 912S Europa. As part of the requirement for my Motor Glid
er endorsement (US) I had to feather the prop, stop the engine and do some
gliding. I have a three bladed Airmaster Prop with the feather option. With
the short wings and the engine off, prop feathered, I show about 600 fpm d
own with no thermal activity. (I was at about 6000 feet, above the tops of
the cumulus clouds in the area so I haven't tried this in a thermal yet.) P
lane is a bit heavy (full IFR) and I am a proper sized American - 265 lbs.
And I had an instructor on board. So a lighter plane (and pilot) may do bet
ter. Should have the long wings done soon (I have given up on estimating co
mpletion dates) and will provide some better info on soaring then.
The 912S is a high compression engine, unlike the 912 and 914. So the prop
will stop when the ignition is off even if not feathered. It is also hard t
o start by diving alone although I have heard that a serious dive will fina
lly get the prop wind-milling high enough for a start - I think you need at
least 300 + rpm to get a charge out of the ignition system. For mine a s
light dive (100 knots) will start to move the blades a bit, and a mere touc
h of the starter lights it off.
The feathering and un-feathering takes a bit of time - which I imagine will
seem even longer if you wait too long when running out of lift.
Gary Leinberger
Lancaster, Pa.
N388SG
Message 8
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| Subject: | Re: stopping engine in flight |
Gary, Do you have a prop windmilling figure to compare it
with? Regards, David Joyce, G- XSDJ
On Fri, 16 Aug 2013 14:47:07 -0400
Gary Leinberger <Gary.Leinberger@millersville.edu>
wrote:
> I have a Tri-Gear 912S Europa. As part of the
>requirement for my Motor Glider endorsement (US) I had to
>feather the prop, stop the engine and do some gliding. I
>have a three bladed Airmaster Prop with the feather
>option. With the short wings and the engine off, prop
>feathered, I show about 600 fpm down with no thermal
>activity. (I was at about 6000 feet, above the tops of
>the cumulus clouds in the area so I haven't tried this in
>a thermal yet.) Plane is a bit heavy (full IFR) and I am
>a proper sized American - 265 lbs. And I had an
>instructor on board. So a lighter plane (and pilot) may
>do better. Should have the long wings done soon (I have
>given up on estimating completion dates) and will provide
>some better info on soaring then.
> The 912S is a high compression engine, unlike the 912
>and 914. So the prop will stop when the ignition is off
>even if not feathered. It is also hard to start by diving
>alone although I have heard that a serious dive will
>finally get the prop wind-milling high enough for a start
>- I think you need at least 300 + rpm to get a charge
>out of the ignition system. For mine a slight dive (100
>knots) will start to move the blades a bit, and a mere
>touch of the starter lights it off.
> The feathering and un-feathering takes a bit of time -
>which I imagine will seem even longer if you wait too
>long when running out of lift.
> Gary Leinberger
> Lancaster, Pa.
> N388SG
Message 9
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| Subject: | Re: stopping engine in flight |
Hi Gary,
We have a Europa XS with a 912S and Airmaster prop and long wings. We were interested
in two important questions; when will it stop wind milling, and when will
it do an air restart (in case we run the battery dead flying around with the
alternator not charging). We found the stop wind milling speed to be around
50 kts, and the air restart at around 110 kts. These seemed near perfect speeds,
by our reckoning.
BTW, we got a glide ratio of about 23:1 initially, but got up to almost 26:1 by;
1) adding a cowl flap to the bottom of the cowl (behind the radiators).
2) adding fairings to the non-retractable outrigger legs.
regards,
Terry
________________________________________
From: owner-europa-list-server@matronics.com [owner-europa-list-server@matronics.com]
on behalf of Gary Leinberger [Gary.Leinberger@millersville.edu]
Sent: Friday, August 16, 2013 11:47 AM
Subject: Europa-List: Re: stopping engine in flight
I have a Tri-Gear 912S Europa. As part of the requirement for my Motor Glider endorsement
(US) I had to feather the prop, stop the engine and do some gliding.
I have a three bladed Airmaster Prop with the feather option. With the short
wings and the engine off, prop feathered, I show about 600 fpm down with no thermal
activity. (I was at about 6000 feet, above the tops of the cumulus clouds
in the area so I havent tried this in a thermal yet.) Plane is a bit heavy
(full IFR) and I am a proper sized American 265 lbs. And I had an instructor
on board. So a lighter plane (and pilot) may do better. Should have the long wings
done soon (I have given up on estimating completion dates) and will provide
some better info on soaring then.
The 912S is a high compression engine, unlike the 912 and 914. So the prop will
stop when the ignition is off even if not feathered. It is also hard to start
by diving alone although I have heard that a serious dive will finally get the
prop wind-milling high enough for a start I think you need at least 300 +
rpm to get a charge out of the ignition system. For mine a slight dive (100 knots)
will start to move the blades a bit, and a mere touch of the starter lights
it off.
The feathering and un-feathering takes a bit of time which I imagine will seem
even longer if you wait too long when running out of lift.
Gary Leinberger
Lancaster, Pa.
N388SG
Message 10
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| Subject: | Re: stopping engine in flight |
Terry,
We have just finished the spinning trials in my mono motor glider
after two years of trying to satisfy the LAA (UK) requirements to get a
Permit to Fly, so was very interested in your comments, especially about
blocking of the cooling ducts to improve the LD ratio, do you have any
further details that you can make available? I had the company (Europa) fit
small wing tip wheels to my wings so I can take the outriggers off
completely if I want to go wave flying. Is your machine a mono or Tri-gear?
Best Regards
Ian Cook
G-CBHI
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Terry Seaver
(terrys)
Sent: 16 August 2013 21:19
Subject: RE: Europa-List: Re: stopping engine in flight
--> <terrys@cisco.com>
Hi Gary,
We have a Europa XS with a 912S and Airmaster prop and long wings. We were
interested in two important questions; when will it stop wind milling, and
when will it do an air restart (in case we run the battery dead flying
around with the alternator not charging). We found the stop wind milling
speed to be around 50 kts, and the air restart at around 110 kts. These
seemed near perfect speeds, by our reckoning.
BTW, we got a glide ratio of about 23:1 initially, but got up to almost 26:1
by;
1) adding a cowl flap to the bottom of the cowl (behind the radiators).
2) adding fairings to the non-retractable outrigger legs.
regards,
Terry
________________________________________
From: owner-europa-list-server@matronics.com
[owner-europa-list-server@matronics.com] on behalf of Gary Leinberger
[Gary.Leinberger@millersville.edu]
Sent: Friday, August 16, 2013 11:47 AM
Subject: Europa-List: Re: stopping engine in flight
I have a Tri-Gear 912S Europa. As part of the requirement for my Motor
Glider endorsement (US) I had to feather the prop, stop the engine and do
some gliding. I have a three bladed Airmaster Prop with the feather option.
With the short wings and the engine off, prop feathered, I show about 600
fpm down with no thermal activity. (I was at about 6000 feet, above the tops
of the cumulus clouds in the area so I haven't tried this in a thermal yet.)
Plane is a bit heavy (full IFR) and I am a proper sized American - 265 lbs.
And I had an instructor on board. So a lighter plane (and pilot) may do
better. Should have the long wings done soon (I have given up on estimating
completion dates) and will provide some better info on soaring then.
The 912S is a high compression engine, unlike the 912 and 914. So the prop
will stop when the ignition is off even if not feathered. It is also hard to
start by diving alone although I have heard that a serious dive will finally
get the prop wind-milling high enough for a start - I think you need at
least 300 + rpm to get a charge out of the ignition system. For mine a
slight dive (100 knots) will start to move the blades a bit, and a mere
touch of the starter lights it off.
The feathering and un-feathering takes a bit of time - which I imagine will
seem even longer if you wait too long when running out of lift.
Gary Leinberger
Lancaster, Pa.
N388SG
Message 11
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|
Hi Terry=2C
This is the first note I have seen about spinning the motorglider. Could yo
u give us details please about recovery and height loss per rotation ? I ha
ve been unable to stall mine in level or descending flight and I have been
reluctant to force a spin without knowing that it would be okay.
Cheers=2C
Karl
> From: iancook_1@btinternet.com
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Re: stopping engine in flight
> Date: Fri=2C 16 Aug 2013 21:40:19 +0100
>
>
> Terry=2C
> We have just finished the spinning trials in my mono motor glide
r
> after two years of trying to satisfy the LAA (UK) requirements to get a
> Permit to Fly=2C so was very interested in your comments=2C especially ab
out
> blocking of the cooling ducts to improve the LD ratio=2C do you have any
> further details that you can make available? I had the company (Europa) f
it
> small wing tip wheels to my wings so I can take the outriggers off
> completely if I want to go wave flying. Is your machine a mono or Tri-gea
r?
>
> Best Regards
>
> Ian Cook
> G-CBHI
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of Terry Seaver
> (terrys)
> Sent: 16 August 2013 21:19
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Re: stopping engine in flight
>
> --> <terrys@cisco.com>
>
> Hi Gary=2C
>
> We have a Europa XS with a 912S and Airmaster prop and long wings. We we
re
> interested in two important questions=3B when will it stop wind milling
=2C and
> when will it do an air restart (in case we run the battery dead flying
> around with the alternator not charging). We found the stop wind milling
> speed to be around 50 kts=2C and the air restart at around 110 kts. Thes
e
> seemed near perfect speeds=2C by our reckoning.
> BTW=2C we got a glide ratio of about 23:1 initially=2C but got up to almo
st 26:1
> by=3B
> 1) adding a cowl flap to the bottom of the cowl (behind the radiators).
> 2) adding fairings to the non-retractable outrigger legs.
>
> regards=2C
> Terry
>
> ________________________________________
> From: owner-europa-list-server@matronics.com
> [owner-europa-list-server@matronics.com] on behalf of Gary Leinberger
> [Gary.Leinberger@millersville.edu]
> Sent: Friday=2C August 16=2C 2013 11:47 AM
> To: 'europa-list@matronics.com'
> Subject: Europa-List: Re: stopping engine in flight
>
> I have a Tri-Gear 912S Europa. As part of the requirement for my Motor
> Glider endorsement (US) I had to feather the prop=2C stop the engine and
do
> some gliding. I have a three bladed Airmaster Prop with the feather optio
n.
> With the short wings and the engine off=2C prop feathered=2C I show about
600
> fpm down with no thermal activity. (I was at about 6000 feet=2C above the
tops
> of the cumulus clouds in the area so I haven't tried this in a thermal ye
t.)
> Plane is a bit heavy (full IFR) and I am a proper sized American - 265 lb
s.
> And I had an instructor on board. So a lighter plane (and pilot) may do
> better. Should have the long wings done soon (I have given up on estimati
ng
> completion dates) and will provide some better info on soaring then.
> The 912S is a high compression engine=2C unlike the 912 and 914. So the p
rop
> will stop when the ignition is off even if not feathered. It is also hard
to
> start by diving alone although I have heard that a serious dive will fina
lly
> get the prop wind-milling high enough for a start - I think you need at
> least 300 + rpm to get a charge out of the ignition system. For mine a
> slight dive (100 knots) will start to move the blades a bit=2C and a mere
> touch of the starter lights it off.
> The feathering and un-feathering takes a bit of time - which I imagine wi
ll
> seem even longer if you wait too long when running out of lift.
> Gary Leinberger
> Lancaster=2C Pa.
> N388SG
>
>
>
>
>
>
>
>
>
>
>
>
===========
===========
===========
===========
>
>
>
Message 12
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| Subject: | Re: stopping engine in flight |
We have a mono-wheel. I will see if I have some pics of the cowl flap later on.
We used narrow roller blade wheels on the outriggers and fitted aerodynamic
fairings to the outrigger legs, using hot wire cut blue foam and shrink sleeve
to hold it in place.
regards,
Terry
________________________________________
From: owner-europa-list-server@matronics.com [owner-europa-list-server@matronics.com]
on behalf of Ian Cook [iancook_1@btinternet.com]
Sent: Friday, August 16, 2013 1:40 PM
Subject: RE: Europa-List: Re: stopping engine in flight
Terry,
We have just finished the spinning trials in my mono motor glider
after two years of trying to satisfy the LAA (UK) requirements to get a
Permit to Fly, so was very interested in your comments, especially about
blocking of the cooling ducts to improve the LD ratio, do you have any
further details that you can make available? I had the company (Europa) fit
small wing tip wheels to my wings so I can take the outriggers off
completely if I want to go wave flying. Is your machine a mono or Tri-gear?
Best Regards
Ian Cook
G-CBHI
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Terry Seaver
(terrys)
Sent: 16 August 2013 21:19
Subject: RE: Europa-List: Re: stopping engine in flight
--> <terrys@cisco.com>
Hi Gary,
We have a Europa XS with a 912S and Airmaster prop and long wings. We were
interested in two important questions; when will it stop wind milling, and
when will it do an air restart (in case we run the battery dead flying
around with the alternator not charging). We found the stop wind milling
speed to be around 50 kts, and the air restart at around 110 kts. These
seemed near perfect speeds, by our reckoning.
BTW, we got a glide ratio of about 23:1 initially, but got up to almost 26:1
by;
1) adding a cowl flap to the bottom of the cowl (behind the radiators).
2) adding fairings to the non-retractable outrigger legs.
regards,
Terry
________________________________________
From: owner-europa-list-server@matronics.com
[owner-europa-list-server@matronics.com] on behalf of Gary Leinberger
[Gary.Leinberger@millersville.edu]
Sent: Friday, August 16, 2013 11:47 AM
Subject: Europa-List: Re: stopping engine in flight
I have a Tri-Gear 912S Europa. As part of the requirement for my Motor
Glider endorsement (US) I had to feather the prop, stop the engine and do
some gliding. I have a three bladed Airmaster Prop with the feather option.
With the short wings and the engine off, prop feathered, I show about 600
fpm down with no thermal activity. (I was at about 6000 feet, above the tops
of the cumulus clouds in the area so I haven't tried this in a thermal yet.)
Plane is a bit heavy (full IFR) and I am a proper sized American - 265 lbs.
And I had an instructor on board. So a lighter plane (and pilot) may do
better. Should have the long wings done soon (I have given up on estimating
completion dates) and will provide some better info on soaring then.
The 912S is a high compression engine, unlike the 912 and 914. So the prop
will stop when the ignition is off even if not feathered. It is also hard to
start by diving alone although I have heard that a serious dive will finally
get the prop wind-milling high enough for a start - I think you need at
least 300 + rpm to get a charge out of the ignition system. For mine a
slight dive (100 knots) will start to move the blades a bit, and a mere
touch of the starter lights it off.
The feathering and un-feathering takes a bit of time - which I imagine will
seem even longer if you wait too long when running out of lift.
Gary Leinberger
Lancaster, Pa.
N388SG
Message 13
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Hi Karl,
We have not spun our plane with long wings, that was another participant to this
thread.
Terry
________________________________________
From: owner-europa-list-server@matronics.com [owner-europa-list-server@matronics.com]
on behalf of Karl Heindl [kheindl@msn.com]
Sent: Friday, August 16, 2013 4:03 PM
Subject: Europa-List: MG Spins
Hi Terry,
This is the first note I have seen about spinning the motorglider. Could you give
us details please about recovery and height loss per rotation ? I have been
unable to stall mine in level or descending flight and I have been reluctant
to force a spin without knowing that it would be okay.
Cheers,
Karl
> From: iancook_1@btinternet.com
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Re: stopping engine in flight
> Date: Fri, 16 Aug 2013 21:40:19 +0100
>
>
> Terry,
> We have just finished the spinning trials in my mono motor glider
> after two years of trying to satisfy the LAA (UK) requirements to get a
> Permit to Fly, so was very interested in your comments, especially about
> blocking of the cooling ducts to improve the LD ratio, do you have any
> further details that you can make available? I had the company (Europa) fit
> small wing tip wheels to my wings so I can take the outriggers off
> completely if I want to go wave flying. Is your machine a mono or Tri-gear?
>
> Best Regards
>
> Ian Cook
> G-CBHI
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of Terry Seaver
> (terrys)
> Sent: 16 August 2013 21:19
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Re: stopping engine in flight
>
> --> <terrys@cisco.com>
>
> Hi Gary,
>
> We have a Europa XS with a 912S and Airmaster prop and long wings. We were
> interested in two important questions; when will it stop wind milling, and
> when will it do an air restart (in case we run the battery dead flying
> around with the alternator not charging). We found the stop wind milling
> speed to be around 50 kts, and the air restart at around 110 kts. These
> seemed near perfect speeds, by our reckoning.
> BTW, we got a glide ratio of about 23:1 initially, but got up to almost 26:1
> by;
> 1) adding a cowl flap to the bottom of the cowl (behind the radiators).
> 2) adding fairings to the non-retractable outrigger legs.
>
> regards,
> Terry
>
> ________________________________________
> From: owner-europa-list-server@matronics.com
> [owner-europa-list-server@matronics.com] on behalf of Gary Leinberger
> [Gary.Leinberger@millersville.edu]
> Sent: Friday, August 16, 2013 11:47 AM
> To: 'europa-list@matronics.com'
> Subject: Europa-List: Re: stopping engine in flight
>
> I have a Tri-Gear 912S Europa. As part of the requirement for my Motor
> Glider endorsement (US) I had to feather the prop, stop the engine and do
> some gliding. I have a three bladed Airmaster Prop with the feather option.
> With the short wings and the engine off, prop feathered, I show about 600
> fpm down with no thermal activity. (I was at about 6000 feet, above the tops
> of the cumulus clouds in the area so I haven't tried this in a thermal yet.)
> Plane is a bit heavy (full IFR) and I am a proper sized American - 265 lbs.
> And I had an instructor on board. So a lighter plane (and pilot) may do
> better. Should have the long wings done soon (I have given up on estimating
> completion dates) and will provide some better info on soaring then.
> The 912S is a high compression engine, unlike the 912 and 914. So the prop
> will stop when the ignition is off even if not feathered. It is also hard to
> start by diving alone although I have heard that a serious dive will finally
> get the prop wind-milling high enough for a start - I think you need at
> least 300 + rpm to get a charge out of the ignition system. For mine a
> slight dive (100 knots) will start to move the blades a bit, and a mere
> touch of the starter lights it off.
> The feathering and un-feathering takes a bit of time - which I imagine will
> seem even longer if you wait too long when running out of lift.
> Gary Leinberger
> Lancaster, Pa.
> N388SG
>
>
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| Subject: | Re: stopping engine in flight |
On Aug 16, 2013, at 5:16 PM, Terry Seaver (terrys) wrote:
> We have a mono-wheel. I will see if I have some pics of the cowl flap
later on. We used narrow roller blade wheels on the outriggers and
fitted aerodynamic fairings to the outrigger legs, using hot wire cut
blue foam and shrink sleeve to hold it in place.
Very clever Terry...Fred
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