Today's Message Index:
----------------------
1. 08:23 AM - Re: Relays (user9253)
2. 11:03 AM - Garmin 696 Data Out (tomcostanza)
3. 11:14 AM - Re: Garmin 696 Data Out (Kenneth Melvin)
4. 07:43 PM - Dynon Skyview Airspeed Calibration... (Matt Dralle)
5. 08:43 PM - Re: Dynon Skyview Airspeed Calibration... (Jared Yates)
6. 09:06 PM - Re: Dynon Skyview Airspeed Calibration... (Bill Bradburry)
Message 1
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> Do I need to add the battery relay?
I asked a similar question here:
http://forums.matronics.com/viewtopic.php?t=87274&sid=3724253c38f733fb3dfb539a40ee396b
And the answer is, "It depends."
The majority of aircraft have both a master battery contactor and a starter contactor
connected in series. If the starter contactor ever fails in the closed
position, the circuit can still be opened with the battery contactor. The likelihood
of that failure mode occurring is, in Bob's words, "exceedingly rare".
Weight and electrical energy can be saved by not installing a battery contactor.
A 30-amp automotive relay can be used as a mini-master to remotely control
all electrical power leaving the battery (except for starting current). That
is a nice feature to have in case of a forced landing. Since the Rotax dynamo
is rated at only 18 amps, a 20 amp toggle switch can be used as a mini-master
with the disadvantage of not being able to remotely shut off power at the battery.
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361671#361671
Message 2
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| Subject: | Garmin 696 Data Out |
Happy holidays all.
I'm using a Garmin 696 and want to use the "data out" to drive a TruTrak autopilot,
and an ACK ELT. Does anyone know if I can just parallel all these data lines
together, or do I need a buffer?
Thanks.
--------
Clear Skies,
Tom Costanza
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361677#361677
Message 3
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| Subject: | Re: Garmin 696 Data Out |
I can confirm that the 496 will drive at least 3 units, including a TruTrak autopilot.
Kenneth Melvin
On Dec 26, 2011, at 10:59 AM, tomcostanza wrote:
>
> Happy holidays all.
>
> I'm using a Garmin 696 and want to use the "data out" to drive a TruTrak autopilot,
and an ACK ELT. Does anyone know if I can just parallel all these data
lines together, or do I need a buffer?
>
> Thanks.
>
> --------
> Clear Skies,
> Tom Costanza
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=361677#361677
>
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Dynon Skyview Airspeed Calibration... |
Dear Listers,
I've been flying the new 10" Dynon Skyview in the RV-6 for a few weeks now and
it seems like the airspeed is reading maybe 10mph fast. The GS always reads 10mph
or more slower than the True airspeed, no matter which way I fly with respect
to the current wind. Looking through the configuration options on the Skyview,
I'm not seeing parameters to calibrate the airspeed. If the airspeed were
*slow* compared to the GS, I could envision making adjustments to the Pitot
tube to get it in better alignment with slipstream. But *fast* is a head scratcher.
If there's no electronic configuration parameters to adjust, what do
you do? Are there Pitot line "attenuators" like for RF in coax? ;-)
Matt
-
Matt "Red Dawg" Dralle
RV-8 #82880 N998RV "Ruby Vixen"
http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log
http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: 170+ Hours TTSN - Rebuilding Fuselage After Landing Mishap...
RV-6 #20916 N360EM "The Flyer"
http://www.mattsrv6.com - Matt's RV-6 Revitalization Log
Status: 42+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer Mode
Message 5
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| Subject: | Re: Dynon Skyview Airspeed Calibration... |
Perhaps it is an issue with the way it is calculating tas. Do you have an ias indication?
If so perhaps you could use a flight computer to verify. Have the
Dynon folks had any input?
On Dec 26, 2011, at 22:39, Matt Dralle <dralle@matronics.com> wrote:
>
> Dear Listers,
>
> I've been flying the new 10" Dynon Skyview in the RV-6 for a few weeks now and
it seems like the airspeed is reading maybe 10mph fast. The GS always reads
10mph or more slower than the True airspeed, no matter which way I fly with respect
to the current wind. Looking through the configuration options on the
Skyview, I'm not seeing parameters to calibrate the airspeed. If the airspeed
were *slow* compared to the GS, I could envision making adjustments to the Pitot
tube to get it in better alignment with slipstream. But *fast* is a head
scratcher. If there's no electronic configuration parameters to adjust, what
do you do? Are there Pitot line "attenuators" like for RF in coax? ;-)
>
> Matt
>
> -
> Matt "Red Dawg" Dralle
>
> RV-8 #82880 N998RV "Ruby Vixen"
> http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log
> http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log
> http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
> Status: 170+ Hours TTSN - Rebuilding Fuselage After Landing Mishap...
>
> RV-6 #20916 N360EM "The Flyer"
> http://www.mattsrv6.com - Matt's RV-6 Revitalization Log
> Status: 42+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer Mode
>
>
>
>
>
Message 6
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| Subject: | Dynon Skyview Airspeed Calibration... |
The problem is with your static port. Check out this link.
http://www.kilohotel.com/rv8/rvlinks/ssec.html
Bill B
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Matt
Dralle
Sent: Monday, December 26, 2011 10:39 PM
Subject: AeroElectric-List: Dynon Skyview Airspeed Calibration...
Dear Listers,
I've been flying the new 10" Dynon Skyview in the RV-6 for a few weeks now
and it seems like the airspeed is reading maybe 10mph fast. The GS always
reads 10mph or more slower than the True airspeed, no matter which way I fly
with respect to the current wind. Looking through the configuration options
on the Skyview, I'm not seeing parameters to calibrate the airspeed. If the
airspeed were *slow* compared to the GS, I could envision making adjustments
to the Pitot tube to get it in better alignment with slipstream. But *fast*
is a head scratcher. If there's no electronic configuration parameters to
adjust, what do you do? Are there Pitot line "attenuators" like for RF in
coax? ;-)
Matt
-
Matt "Red Dawg" Dralle
RV-8 #82880 N998RV "Ruby Vixen"
http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log
http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: 170+ Hours TTSN - Rebuilding Fuselage After Landing Mishap...
RV-6 #20916 N360EM "The Flyer"
http://www.mattsrv6.com - Matt's RV-6 Revitalization Log
Status: 42+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer Mode
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