 |
Matronics Email Lists
Web Forum Interface to the Matronics Email Lists
|
| View previous topic :: View next topic |
| Author |
Message |
mjurotich(at)hst.nasa.gov
Guest
|
 Posted: Tue Feb 27, 2007 12:10 pm Post subject: Glass for IFR Glass for IFR |
 |
|
I am adding a skid slip indicator just below the Garmin 480 as the
ultimate backup to the BMA and Dynon. Not flying yet.
Matthew M. Jurotich
e-mail mail to: <mjurotich(at)hst.nasa.gov>
phone : 301-286-5919
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
|
|
|
| Back to top |
|
 |
sportav8r(at)gmail.com
Guest
|
| Posted: Tue Feb 27, 2007 12:33 pm Post subject: Glass for IFR Glass for IFR |
|
|
Matt, you know that won't replace gyro's, right?
So, where are you taking this - compass, ball and airspeed?
On 2/27/07, Matt Jurotich <mjurotich(at)hst.nasa.gov> wrote:
| Quote: |
I am adding a skid slip indicator just below the Garmin 480 as the
ultimate backup to the BMA and Dynon. Not flying yet.
Matthew M. Jurotich
e-mail mail to: <mjurotich(at)hst.nasa.gov>
phone : 301-286-5919
|
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
|
|
|
| Back to top |
|
|
Doug Gray
Joined: 10 Jan 2006
Posts: 112
Location: Sydney, Australia
|
| Posted: Tue Feb 27, 2007 11:58 pm Post subject: Glass for IFR Glass for IFR |
|
|
Question: Do the current EFIS systems for experimental aircraft have
true gyros (laser/micro machine perhaps) or do they resolve attitude
from accelerometers?
If they use accelerometers how is the acceleration of the aircraft
itself cancelled?
Doug Gray
On Tue, 2007-02-27 at 15:32 -0500, Bill Boyd wrote:
| Quote: |
Matt, you know that won't replace gyro's, right?
So, where are you taking this - compass, ball and airspeed?
On 2/27/07, Matt Jurotich <mjurotich(at)hst.nasa.gov> wrote:
>
>
> I am adding a skid slip indicator just below the Garmin 480 as the
> ultimate backup to the BMA and Dynon. Not flying yet.
>
> Matthew M. Jurotich
>
> e-mail mail to: <mjurotich(at)hst.nasa.gov>
> phone : 301-286-5919
>
>
>
>
>
|
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
|
|
|
| Back to top |
|
|
khorton01(at)rogers.com
Guest
|
| Posted: Wed Feb 28, 2007 2:31 am Post subject: Glass for IFR Glass for IFR |
|
|
The current low cost EFIS systems use solid state accelerometers and
rate sensors. Each vendor has their own algorithm. The Dynon
system, which I have, uses the airspeed signal to provide a
correction for the effect of acceleration on the calculated pitch
attitude. It apparently works quite well, and the attitude is
apparently usable, but degraded, even without an airspeed input.
Kevin Horton
On 28 Feb 2007, at 02:56, Doug Gray wrote:
| Quote: |
Question: Do the current EFIS systems for experimental aircraft have
true gyros (laser/micro machine perhaps) or do they resolve attitude
from accelerometers?
If they use accelerometers how is the acceleration of the aircraft
itself cancelled?
Doug Gray
On Tue, 2007-02-27 at 15:32 -0500, Bill Boyd wrote:
>
>
> Matt, you know that won't replace gyro's, right?
>
> So, where are you taking this - compass, ball and airspeed?
> On 2/27/07, Matt Jurotich <mjurotich(at)hst.nasa.gov> wrote:
>>
>> <mjurotich(at)hst.nasa.gov>
>>
>> I am adding a skid slip indicator just below the Garmin 480 as the
>> ultimate backup to the BMA and Dynon. Not flying yet.
>>
>> Matthew M. Jurotich
>>
>> e-mail mail to: <mjurotich(at)hst.nasa.gov>
>> phone : 301-286-5919
>>
>>
>>
>>
>>
>
|
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
|
|
|
| Back to top |
|
|
bicyclop(at)pacbell.net
Guest
|
| Posted: Wed Feb 28, 2007 9:25 am Post subject: Glass for IFR Glass for IFR |
|
|
Just as another data point, the airspeed fitting broke off the back of
our D-10 on the first day of a cross country trip. I pinched the line
leading from the backup steam gauge and disabled the airspeed display on
the Dynon so as to continue the trip. After some hours, (probably 20 or
30), I noticed that the Dynon had the leans. It seemed fairly accurate
when level, but lagged in turns and didn't want to return to level. The
factory told me that there is a file that is written to continuously
that uses airspeed as a parameter that was probably screwed up over time
by having no airspeed input. I wiped the firmware and re-installed,
having first restored the pitot line of course, and it is now cool with
no problems for many hours. I definitely wouldn't trust it in clouds
without pitot.
Pax,
Ed Holyoke
--
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
|
|
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|
Get Email Distribution Too!
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
