Today's Message Index:
----------------------
1. 01:14 PM - Re: Pulsar-List Digest: 9 Msgs - 12/16/12 (triumphrider)
2. 01:25 PM - Low idle RPM recommendation on Rotax 912 UL? (triumphrider)
3. 02:04 PM - Re: Low idle RPM recommendation on Rotax 912 UL? (Brian Anderson)
4. 02:11 PM - Re: Re: Pulsar-List Digest: 9 Msgs - 12/16/12 (Brian Anderson)
5. 02:14 PM - Re: Low idle RPM recommendation on Rotax 912 UL? (pilot623)
6. 06:47 PM - Re: Low idle RPM recommendation on Rotax 912 UL? (Esa Lehto)
Message 1
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| Subject: | Re: Pulsar-List Digest: 9 Msgs - 12/16/12 |
Thanks for sharing your knowledge and thoughts. As a non-builder, what size/ length
of SS Fuel Lines do I need to order for the left and right? It's a Rotax
912 UL. Available at Aircraft Spruce?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=390993#390993
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| Subject: | Low idle RPM recommendation on Rotax 912 UL? |
How low should the low idle speed be adjusted for on the Rotax 912 UL?
I had someone help with it and he said 1400 rpm and if I pull the throttle that
low, the engine shutters. I usually taxi at around 1800 RPMs. With the reduction
gear of the Rotax, perhaps 1400 rpm idle is too low?
Engine seems dialed in at cruise and acceleration, but a little rough at low idle,
as if the prop is not balanced. I did a few small carbon fiber prop ding repairs
and was careful not to overweight one side. Perhaps, I did it inadvertently?
It's a Prince P-Tip. Used to purr like a kitten. As the Chinese say, it
it's not broken don't fix it? It was adjusted at the conditional inspection. Is
protection too much to expect from a 850 hr. engine? Am I asking too much?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=390994#390994
Message 3
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| Subject: | Re: Low idle RPM recommendation on Rotax 912 UL? |
I think 1400rpm is definitely too low, and at that speed you should expect to get
a deal of gearbox chatter. I'm happy with the engine idling at about 1700.
Idle should be smooth at that speed if the carbs are properly synchronised.
Brian
On 27/12/2012, at 10:24 AM, "triumphrider" <investmentsalesconsultant@gmail.com>
wrote:
>
> How low should the low idle speed be adjusted for on the Rotax 912 UL?
> I had someone help with it and he said 1400 rpm and if I pull the throttle that
low, the engine shutters. I usually taxi at around 1800 RPMs. With the reduction
gear of the Rotax, perhaps 1400 rpm idle is too low?
>
> Engine seems dialed in at cruise and acceleration, but a little rough at low
idle, as if the prop is not balanced. I did a few small carbon fiber prop ding
repairs and was careful not to overweight one side. Perhaps, I did it inadvertently?
It's a Prince P-Tip. Used to purr like a kitten. As the Chinese say, it
it's not broken don't fix it? It was adjusted at the conditional inspection.
Is protection too much to expect from a 850 hr. engine? Am I asking too much?
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=390994#390994
>
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Pulsar-List Digest: 9 Msgs - 12/16/12 |
See my .ppt posting to the Pulsar Aviators group on Yahoo. Fuel
Smell.PPT This gives some part numbers but the length and end fittings
will be a custom fit, depending on how the builder did the installation.
The teflon fuel lines used are from Earls, but there is an equivalent
Aeroquip line that Aircraft Spruce can supply.
Brian
On 27/12/2012, at 10:13 AM, "triumphrider"
<investmentsalesconsultant@gmail.com> wrote:
<investmentsalesconsultant@gmail.com>
>
> Thanks for sharing your knowledge and thoughts. As a non-builder, what
size/ length of SS Fuel Lines do I need to order for the left and right?
It's a Rotax 912 UL. Available at Aircraft Spruce?
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=390993#390993
>
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Low idle RPM recommendation on Rotax 912 UL? |
I agree that 1400 is too low. I usually idle at 2000 to avoid the gearbox
chatter issue.
Jim
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of Brian Anderson
Sent: Wednesday, December 26, 2012 4:04 PM
Subject: Re: Pulsar-List: Low idle RPM recommendation on Rotax 912 UL?
I think 1400rpm is definitely too low, and at that speed you should expect
to get a deal of gearbox chatter. I'm happy with the engine idling at about
1700. Idle should be smooth at that speed if the carbs are properly
synchronised.
Brian
On 27/12/2012, at 10:24 AM, "triumphrider"
<investmentsalesconsultant@gmail.com> wrote:
> --> <investmentsalesconsultant@gmail.com>
>
> How low should the low idle speed be adjusted for on the Rotax 912 UL?
> I had someone help with it and he said 1400 rpm and if I pull the throttle
that low, the engine shutters. I usually taxi at around 1800 RPMs. With the
reduction gear of the Rotax, perhaps 1400 rpm idle is too low?
>
> Engine seems dialed in at cruise and acceleration, but a little rough at
low idle, as if the prop is not balanced. I did a few small carbon fiber
prop ding repairs and was careful not to overweight one side. Perhaps, I did
it inadvertently? It's a Prince P-Tip. Used to purr like a kitten. As the
Chinese say, it it's not broken don't fix it? It was adjusted at the
conditional inspection. Is protection too much to expect from a 850 hr.
engine? Am I asking too much?
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=390994#390994
>
>
>
>
>
>
>
>
>
>
Message 6
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| Subject: | Re: Low idle RPM recommendation on Rotax 912 UL? |
Hi=0A-=0AMy idle speed is set as well to 2000 rpm.=0A-=0AEsa-=0A=0A
=0A________________________________=0AFrom: pilot623 <pilot623@gmail.com>
=0ATo: pulsar-list@matronics.com =0ASent: Wednesday, December 26, 2012 2:13
PM=0ASubject: RE: Pulsar-List: Low idle RPM recommendation on Rotax 912 UL
=0A=0AI agree that 1400 is too low. I usually idle at 2000 to avoid the gea
rbox=0Achatter issue.=0A=0AJim =0A=0A-----Original Message-----=0AFrom: own
er-pulsar-list-server@matronics.com=0A[mailto:owner-pulsar-list-server@matr
onics.com] On Behalf Of Brian Anderson=0ASent: Wednesday, December 26, 2012
4:04 PM=0ATo: pulsar-list@matronics.com=0ASubject: Re: Pulsar-List: Low id
le RPM recommendation on Rotax 912 UL?=0A=0A--> Pulsar-List message posted
by: Brian Anderson <briana@xtra.co.nz>=0A=0AI think 1400rpm is definitely t
oo low, and at that speed you should expect=0Ato get a deal of gearbox chat
ter.- I'm happy with the engine idling at about=0A1700. Idle should be sm
ooth at that speed if the carbs are properly=0Asynchronised.=0A=0ABrian=0A
=0A=0AOn 27/12/2012, at 10:24 AM, "triumphrider"=0A<investmentsalesconsulta
r" =0A> --> <investmentsalesconsultant@gmail.com>=0A> =0A> How low should t
he low idle speed be adjusted for on the Rotax 912 UL?=0A> I had someone he
lp with it and he said 1400 rpm and if I pull the throttle=0Athat low, the
engine shutters. I usually taxi at around 1800 RPMs. With the=0Areduction g
ear of the Rotax, perhaps 1400 rpm idle is too low?=0A> =0A> Engine seems d
ialed in at cruise and acceleration, but a little rough at=0Alow idle, as i
f the prop is not balanced. I did a few small carbon fiber=0Aprop ding repa
irs and was careful not to overweight one side. Perhaps, I did=0Ait inadver
tently? It's a Prince P-Tip. Used to purr like a kitten. As the=0AChinese s
ay, it it's not broken don't fix it? It was adjusted at the=0Aconditional i
nspection. Is protection too much to expect from a 850 hr.=0Aengine? Am I a
sking too much?=0A> =0A> =0A> =0A> =0A> Read this topic online here:=0A>
=0A> http://forums.matronics.com/viewtopic.php?p=390994#390994=0A> =0A>
==============
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