Today's Message Index:
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1. 12:15 PM - Re: Re: fuse holder and starting procedure (Dee LeBlanc)
2. 03:03 PM - Re: fuse holder and starting procedure (N456TS)
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| Subject: | Re: fuse holder and starting procedure |
N456TS,
Thanks for the information. All the work to re-commission this engine
was in fact done by a Rotax-certified mechanic. The starting issue is
not and every- flight issue. I now I have 13 hours flying time on this
plane and have only had a starting issue twice. The first time I had a
starting issue, it was using the procedure that you described below,
with the exception that I burped the engine first. My mechanic(rotax
certified) seems to think I was flooding the carbs; however, I
understand that this should not happen per your input below. Not sure
what's going on yet.
The rough running engine issue ( i.e. between 2200 RPM and 2800 RPM) is
in fact an every- flight issue. Still working on this. Thanks for your
input.
Dee LeBlanc
leblancds@cox.net
cell 225-802-1038
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> On Sep 5, 2016, at 10:31 PM, N456TS <bottleworksnet@gmail.com> wrote:
>
<bottleworksnet@gmail.com>
>
> A Rotax should start cleanly and quickly hot or cold. In hot or cold
weather. It's not at all like the aviation engines of old. I've
uploaded a video clip I happen to have when I started my Allegro. It
was a cold engine and 83F weather. You can see the video at:
https://youtu.be/mOH_8cDqA30
>
> If your engine isn't starting like this, you have problems.
> 1. Turn on your electric fuel pump. It can stay on at all times.
Rotax now specifically states you should always have it on. To be
clear, having the pump on can't force extra fuel into the carburetors
(unless there is a carb issue such as a leaking needle valve, heavy or
mis-adjusted floats).
> 2. Throttle at idle.
> 3. Fuel enricher (choke) on.
> 4. Start engine. Once engine starts, apply small throttle and turn
enricher off.
> Allow engine to warm up. Below 2,500 RPM until warm.
> Idle should be 1,800 RPM.
>
> The carbs on these engines shouldn't really be tweaked and adjusted.
You set them up correctly and they work. If you're changing adjustments
all around, something is way out of wack. I would find a Rotax mechanic
to find and correct your engine issues. Not a regulator A&P or anyone
else who doesn't know Rotax 912's.
> You can find people at: http://www.rotaxirmt.com
> It's possible, it's not carb related. It could be weak spark, but
further investigation requires hands on access.
>
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> N456TS
>
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=460289#460289
>
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Message 2
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| Subject: | Re: fuse holder and starting procedure |
It might be best to find another mechanic to look at it. Not necessarily specific
to your situation, but - not all mechanics are good mechanics.
--------
N456TS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=460316#460316
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