Tim(at)MyRV10.com
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 Posted: Sun Dec 17, 2006 10:59 am Post subject: GNS-430 vs. 480 feature list |
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Not wanting the builders to go without the info, or have to wade through
a war to find the info on their radio choices, I decided today while
updating my tips page to add a new one on GNS-430 vs 480.
Truly I think there is not one specific system that will be better for
all pilots. Much of it will actually depend on what EFIS or other
systems you also choose to incorporate, as these days many things
talk together, and not all of them talk well. To that end, the more
info we can gather on these kinds of things, the better it is for
the builder.
So I started this link:
http://www.myrv10.com/tips/avionics/430vs480.html
There you can find everything that I could dig up within a couple hours,
and compile into a pro-con list. You will see that there are a fairly
even number of pros and cons, which is not only by design, but likely
what the builder will experience. Your job as a builder is to figure
out which items match your requirements. Again, based on your other
choices, this is still not an easy choice. Case in point: The GNS-480
does not auto-tune or overlay a CDI on my Chelton. That would make
it a bad choice, if I did not have my SL-30. It also makes it a
good choice if I want to fly WAAS approaches. The routing and
everything else involved in GPS function is largely irrelevant, as
I find that my EFIS does most of those things so much better and
displays them so much cleaner that I really don't need all of those
functions on the Nav/Com/GPS except for backup. If your panel is
more slimmed down, or you rely less on your EFIS hardware, you may
actually want to place lots more importance on your Nav/Com/GPS choice.
For me, it's a way cool nav/com/gps, that is a great radio, but a
backup nav system. For others, it is possible it's something
completely different.
So if anyone else has info that could be applicable and added to this
list, it will be a fair long-term reference down the road. Ultimately
I'd love to see a good EFIS page built similar...once we get some
real good experience with all the various EFIS systems...and once
they're all available and flying. Imagine the wars that could
happen at that time if we tried to do that. That one should probably
go on a special EFIS list, with just the resulting page posted
here.  As with anything, it's nice to know what the up and downsides
are BEFORE you buy.
--
Tim Olson - RV-10 N104CD - Flying
do not archive
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