REFLECTOR: Air fuel monitor installed - works great
Geoff Gerhardt
geoff.gerhardt at gmail.com
Mon Dec 9 11:21:24 CST 2013
Ron,
Yes, I'll keep an eye on that. I think that in typical auto uses where the
O2 sensor is placed quite far from the exhaust ports, lead accumulation can
be a problem. Placed closer to the exhaust port where it stays hotter,
might help. As I mentioned, the other builder who has been using this has
not seen any problems for 200hrs. O2 sensors are pretty cheap, tho, may
not be a bad idea for me just to swap it out at annual.
Thanks.
Geoff
On Mon, Dec 9, 2013 at 12:15 PM, Ron N VelocityXLFG
<velocityxl at fastmail.fm>wrote:
> Just a note but O2 Sensors do not like leaded fuel. Life of a o2 sensor
> with av fuel is around 60 hr. Can be extended with fuel additives.
> I work with this problem for a while now with my LT1 Engine install.
>
> Ron
>
>
>
> On 12/8/2013 5:07 PM, Geoff Gerhardt wrote:
>
> Guys,
>
> A fellow Canadian and Lancair builder (Murray Marien) posted something
> on the Dynon about an air/fuel monitor he installed and got working with
> the Dynon Skyview system. I installed a similar system on my IO-360 and
> absolutely love it. I always fly LOP, but have always found it a bit of a
> pain to get to the right mixture, particularly if you want to lean out on
> climb or keep it lean on descent. With this AFR monitor, its a snap, just
> dial in the mixture until you get the AFR you want.
>
> Here's the one I installed:
> http://www.plxdevices.com/product_info.php?id=SEMOSMAFRV2
>
> Its only ~$140 and comes with everything you need (O2 sensor, harness,
> module). It outputs a 0-5V signal that is proportional to the air/fuel
> ratio. I was able to wire it into one of the free sensor inputs on my
> Dynon Skyview so I have an AFR gauge on my panel. I put the O2 sensor on
> the #4 exhaust quite close to the exhaust port. Murray had asked the
> manufacture about proper placement on a Lycoming, and they suggested close
> to the exhaust port to keep it hot to avoid lead buildup. Murray has been
> running his setup for >200hrs without problems. I highly recommend it.
>
> Geoff
>
>
>
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