EFIS OAT, DA and TAS information

[RV10]

Attached a picture of my Dynon at FL95 in our RV10. Can you please explain to me how to interpret the readings on the right hand side of the EFIS, i.e., Outside air temp 18C, 12110 ft, 206 mph. Does this refer to density altitude and true airspeed and how is it calculated? What factors are being taken into account?

 

[Etienne]

You're right, Density Alt and TAS... They take the OAT and pressure altitude into consideration.

206 TAS... Nice

 

[dynonsupport]

We take indicated airspeed, pressure altitude, adn outside air temp into account, and use that to calculate density altitude and true airspeed.

If you want to learn more about how to set up your unit, you can read the users guide and the install guide, located here:

http://dynonavionics.com/docs/support_documentation.html

Those displays on the side are optional and can be configured, as can all your units. I have to say millibars / deg c OAT / deg F everything else / gallons / mph is kind of a unique mix!

Your installer should also be able to help you out.

 

[triple7driver]

Wow Cowboy,

Where were you at with an OAT of 18 (66) at 9500' ? Pretty warm for that altitude for December in most of the Northern hemisphere. Great picture of the 180 in action though !

Cheers,
RP

 

[RV10]

We are from South Africa where it is generally excellent flying conditions. Its summer time and tempretures are running between 28-38C midday that is why the temp is so high.

I am fully in the picture as far as all the functions are concerned just wanted to make sure which factors are used. As far as the different settings are concerned, as we generally work with the metric systems its easier using Celsiuis,etc. for general use, but we are so used to Fahrenheid,etc. when it comes to engine performance, that is better to set it up like I have done.

Dynon systems are great. Have recently flown another 10 with very fancy systems (5 times the price), but I still prefer the Dynon as its easy to configure, use and user friendly especially when you fly a fast aircraft.

Check our web at www.rvclubsa.com for more about our beautiful country.

ZU-TEN