Today's Message Index:
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1. 07:44 AM - Re: EGT/CHT combination guage (lucien)
2. 02:08 PM - Re: Re: EGT/CHT combination guage (Bob Comperini)
3. 07:30 PM - Re: Re: EGT/CHT combination guage (Jim_and_Lucy Chuk)
Message 1
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| Subject: | Re: EGT/CHT combination guage |
stevlynn(at)bellsouth.net wrote:
> I am looking for another hole to mount an additional flight instrument in a Kolb
Firefly panel. Im considering removing the dual EGT gauge and the dual CHT
gauge, and replacing with a combination EGT/CHT gauge. Am I giving up more
than I really should in terms of Rotax 447 engine operation?
>
You should be fine, especially if your 447 is the single carb version. Just put
the remaining CHT and EGT's on the hottest cylinders. If you have dual carbs,
you run the (fairly low) risk of something happening to the non-monitored cylinder's
carb and it not showing up as an EGT spike or dip, etc. But with a single,
it'll show up on either cylinder. So IMO I say no problem....
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=337126#337126
Message 2
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| Subject: | Re: EGT/CHT combination guage |
I think you should have two EGT gauges. You can't mount a single prob in the correct
spot and expect to monitor both cylinders. Single carb or dual carb, I believe
two EGTs are important. There probably is a single gauge available that
has both dual EGT and CHT in one unit
--
Bob Comperini
On Apr 16, 2011, at 7:39 AM, "lucien" <lstavenhagen@hotmail.com> wrote:
>
>
> stevlynn(at)bellsouth.net wrote:
>> I am looking for another hole to mount an additional flight instrument in a
Kolb Firefly panel. Im considering removing the dual EGT gauge and the dual CHT
gauge, and replacing with a combination EGT/CHT gauge. Am I giving up more
than I really should in terms of Rotax 447 engine operation?
>>
>
>
> You should be fine, especially if your 447 is the single carb version. Just put
the remaining CHT and EGT's on the hottest cylinders. If you have dual carbs,
you run the (fairly low) risk of something happening to the non-monitored cylinder's
carb and it not showing up as an EGT spike or dip, etc. But with a single,
it'll show up on either cylinder. So IMO I say no problem....
>
> LS
>
> --------
> LS
> Titan II SS
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=337126#337126
>
>
>
>
>
>
>
>
>
>
Message 3
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| Subject: | Re: EGT/CHT combination guage |
Here is a solution to your problem. On my Avid Flyer with a Jabiru engine
I installed a 4 position Westach switch that switches the EGT and CHT probe
s from one cylinder to the next. At this time I have seperate EGT and CHT
gauges=2C but I'm going to switch to a single gauge to monitor both. The we
stach switch comes wired up to just do one set of 4 probes but the switch h
as 2 extra conections for each cylinder position so I wired up the CHT prob
es to the second set of conections and it works just fine. With your two s
troke=2C you wouldn't use cylinder 3 and 4 connections at all. Take care
=2C Jim Chuk
> Subject: Re: RotaxEngines-List: Re: EGT/CHT combination guage
> From: bob@fly-ul.com
> Date: Sat=2C 16 Apr 2011 14:02:05 -0700
> To: rotaxengines-list@matronics.com
>
>
> I think you should have two EGT gauges. You can't mount a single prob in
the correct spot and expect to monitor both cylinders. Single carb or dual
carb=2C I believe two EGTs are important. There probably is a single gauge
available that has both dual EGT and CHT in one unit
>
> --
> Bob Comperini
>
>
> On Apr 16=2C 2011=2C at 7:39 AM=2C "lucien" <lstavenhagen@hotmail.com> wr
ote:
>
.com>
> >
> >
> > stevlynn(at)bellsouth.net wrote:
> >> I am looking for another hole to mount an additional flight instrument
in a Kolb Firefly panel. I=99m considering removing the dual EGT gau
ge and the dual CHT gauge=2C and replacing with a combination EGT/CHT gauge
. Am I giving up more than I really should in terms of Rotax 447 engine ope
ration?
> >>
> >
> >
> > You should be fine=2C especially if your 447 is the single carb version
. Just put the remaining CHT and EGT's on the hottest cylinders. If you hav
e dual carbs=2C you run the (fairly low) risk of something happening to the
non-monitored cylinder's carb and it not showing up as an EGT spike or dip
=2C etc. But with a single=2C it'll show up on either cylinder. So IMO I sa
y no problem....
> >
> > LS
> >
> > --------
> > LS
> > Titan II SS
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=337126#337126
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
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