Today's Message Index:
----------------------
1. 05:51 AM - Propellor Choices (Bill Landucci)
2. 06:51 AM - Re: Propellor Choices (Bernard Wilder)
3. 07:08 AM - Re: Propellor Choices (Dennis Adams)
4. 11:56 AM - Re: Propellor Choices (Brian Anderson)
5. 12:42 PM - Re: Propeller Choices (Barry J Edwards)
6. 01:01 PM - Re: Propellor Choices (freedom4life)
7. 01:59 PM - Re: Propellor Choices (barrynorman@comcast.net)
Message 1
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| Subject: | Propellor Choices |
Hello All,
I've been flying N168TM (Pulsar III - 912ULS) for almost ten years with the Arplast
PV50. The plane is ready for a new prop. What are folks using these days
with Pulsars? I must admit that the simplicity of a fixed pitch prop is appealing,
but I'm afraid I may have gotten used to the in-flight adjustable's ability
to optimize for climb and cruise.
During the last flight the pitch motor failed to adjust the prop pitch. This time
the electric motor is spinning freely so I suspect a stripped lead screw. In
past years I've had that happen one other time, plus two failed electric pitch
motors. Fortuntately the failure mode is always the same - pitch is stuck where
you last had it. So as long as pitch range is limited to safe flight you're
okay, but it does make the cross country longer when top speed is 110mph due
to engine rpm.
If anyone has old Arplast parts I'd consider buying. But something completely different
might be the best solution at this point.
Bill
Message 2
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| Subject: | Re: Propellor Choices |
Bill,
Love my "P" Tip. The configuration of the tip reduces prop noise. It is
supposed to flex 3 degrees. Might be my imagination but when I level off
and reduce power I think I can feel it flex back and take a bigger bit of
air.
BUT - - - - it is fixed.
Bernie Wilder
On Mon, Oct 22, 2012 at 8:50 AM, Bill Landucci <bill.landucci@tds.net>wrote:
>
> Hello All,
>
> I've been flying N168TM (Pulsar III - 912ULS) for almost ten years with
> the Arplast PV50. The plane is ready for a new prop. What are folks using
> these days with Pulsars? I must admit that the simplicity of a fixed pitch
> prop is appealing, but I'm afraid I may have gotten used to the in-flight
> adjustable's ability to optimize for climb and cruise.
>
> During the last flight the pitch motor failed to adjust the prop pitch.
> This time the electric motor is spinning freely so I suspect a stripped
> lead screw. In past years I've had that happen one other time, plus two
> failed electric pitch motors. Fortuntately the failure mode is always the
> same - pitch is stuck where you last had it. So as long as pitch range is
> limited to safe flight you're okay, but it does make the cross country
> longer when top speed is 110mph due to engine rpm.
>
> If anyone has old Arplast parts I'd consider buying. But something
> completely different might be the best solution at this point.
>
> Bill
>
>
Message 3
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| Subject: | Re: Propellor Choices |
Bill,
I have the same experience as Bernie with the Prince Power Tip.
Dennis
Sent from an IPad
On Oct 22, 2012, at 7:56 AM, Bernard Wilder <bernard.wilder2@gmail.com>
wrote:
Bill,
Love my "P" Tip. The configuration of the tip reduces prop noise. It is
supposed to flex 3 degrees. Might be my imagination but when I level off
and reduce power I think I can feel it flex back and take a bigger bit of
air.
BUT - - - - it is fixed.
Bernie Wilder
On Mon, Oct 22, 2012 at 8:50 AM, Bill Landucci <bill.landucci@tds.net>wrote:
>
> Hello All,
>
> I've been flying N168TM (Pulsar III - 912ULS) for almost ten years with
> the Arplast PV50. The plane is ready for a new prop. What are folks using
> these days with Pulsars? I must admit that the simplicity of a fixed pitch
> prop is appealing, but I'm afraid I may have gotten used to the in-flight
> adjustable's ability to optimize for climb and cruise.
>
> During the last flight the pitch motor failed to adjust the prop pitch.
> This time the electric motor is spinning freely so I suspect a stripped
> lead screw. In past years I've had that happen one other time, plus two
> failed electric pitch motors. Fortuntately the failure mode is always the
> same - pitch is stuck where you last had it. So as long as pitch range is
> limited to safe flight you're okay, but it does make the cross country
> longer when top speed is 110mph due to engine rpm.
>
> If anyone has old Arplast parts I'd consider buying. But something
> completely different might be the best solution at this point.
>
> Bill<============
> y Browse, Chat, FAQ,
> ="http://www.matronics.com/Navigator?Pulsar-List"
> target="_blank">http:====
> http://forums.mle, List Admin.
> ====
>
>
> <http://forums.matronics.com/>
<http://forums.matronics.com/>
*
*
Message 4
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| Subject: | Re: Propellor Choices |
Hi Bill,
I also have the PV50. It's done about 460 hours now [12 years old] and I have been
wondering about the life. I remember reading in some of the early Arplast
documentation [ - - very limited] that the nominal life was 500 hours. It's a
great prop, and I agree about the performance improvements being able to adjust
the pitch in flight.
Some time ago I also had a motor failure. The motor just wouldn't start and move
in one direction. I talked to Arplast and they sold me an "improved" motor.
No troubles since. Each annual I open the prop hub, clean out any hardened grease
and re-grease. In fact I did that yesterday, and checked the operation. All
is OK. The new motor was supplied with the lead screw and bearing. The old bearing
was a bit rough and lumpy too. In the meantime I had purchased a replacement
bearing locally anyhow. It is a standard [metric] size and was easy to find.
I can't imagine the lead screw stripping. It is fairly substantial.
I was about to write an email to Arplast to ask about the life, and any particular
maintenance that might be necessary. If I need to think about a new prop I
would still think seriously about the Arplast again.
Brian
On 23/10/2012, at 1:50 AM, Bill Landucci <bill.landucci@tds.net> wrote:
>
> Hello All,
>
> I've been flying N168TM (Pulsar III - 912ULS) for almost ten years with the Arplast
PV50. The plane is ready for a new prop. What are folks using these days
with Pulsars? I must admit that the simplicity of a fixed pitch prop is appealing,
but I'm afraid I may have gotten used to the in-flight adjustable's ability
to optimize for climb and cruise.
>
> During the last flight the pitch motor failed to adjust the prop pitch. This
time the electric motor is spinning freely so I suspect a stripped lead screw.
In past years I've had that happen one other time, plus two failed electric pitch
motors. Fortuntately the failure mode is always the same - pitch is stuck
where you last had it. So as long as pitch range is limited to safe flight you're
okay, but it does make the cross country longer when top speed is 110mph
due to engine rpm.
>
> If anyone has old Arplast parts I'd consider buying. But something completely
different might be the best solution at this point.
>
> Bill
>
>
>
>
Message 5
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| Subject: | Re: Propeller Choices |
Hi Brian,
I=99d be interested to hear what Arplast have to say about
maintenance of an =98old=99 PV50. Mine is getting on for 15
years old and must have around 600 hours on it now. No problems at all
with it since all the early problems were ironed out (mine was a very
early model) but it would be nice to hear what they have to say. The UK
distributer closed down a few years ago so there is no direct support
(that I know of) in the UK.
Barry
G-XPXP Taildragger, 1040 hrs
From: Brian Anderson
Sent: Monday, October 22, 2012 7:56 PM
Subject: Re: Pulsar-List: Propellor Choices
Hi Bill,
I also have the PV50. It's done about 460 hours now [12 years old] and I
have been wondering about the life. I remember reading in some of the
early Arplast documentation [ - - very limited] that the nominal life
was 500 hours. It's a great prop, and I agree about the performance
improvements being able to adjust the pitch in flight.
Some time ago I also had a motor failure. The motor just wouldn't start
and move in one direction. I talked to Arplast and they sold me an
"improved" motor. No troubles since. Each annual I open the prop hub,
clean out any hardened grease and re-grease. In fact I did that
yesterday, and checked the operation. All is OK. The new motor was
supplied with the lead screw and bearing. The old bearing was a bit
rough and lumpy too. In the meantime I had purchased a replacement
bearing locally anyhow. It is a standard [metric] size and was easy to
find.
I can't imagine the lead screw stripping. It is fairly substantial.
I was about to write an email to Arplast to ask about the life, and any
particular maintenance that might be necessary. If I need to think about
a new prop I would still think seriously about the Arplast again.
Brian
On 23/10/2012, at 1:50 AM, Bill Landucci <bill.landucci@tds.net> wrote:
<bill.landucci@tds.net>
>
> Hello All,
>
> I've been flying N168TM (Pulsar III - 912ULS) for almost ten years
with the Arplast PV50. The plane is ready for a new prop. What are folks
using these days with Pulsars? I must admit that the simplicity of a
fixed pitch prop is appealing, but I'm afraid I may have gotten used to
the in-flight adjustable's ability to optimize for climb and cruise.
>
> During the last flight the pitch motor failed to adjust the prop
pitch. This time the electric motor is spinning freely so I suspect a
stripped lead screw. In past years I've had that happen one other time,
plus two failed electric pitch motors. Fortuntately the failure mode is
always the same - pitch is stuck where you last had it. So as long as
pitch range is limited to safe flight you're okay, but it does make the
cross country longer when top speed is 110mph due to engine rpm.
>
> If anyone has old Arplast parts I'd consider buying. But something
completely different might be the best solution at this point.
>
> Bill
>
>
>
>
Message 6
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| Subject: | Re: Propellor Choices |
Hi Bill
I have been using a Constant Speed Airmaster Prop for the last 1500 hrs on
my Pulsar XP. In the circle of friends that I fly with more than 15 run this
same propeller. I have not had to do anything to it other than replace
brushes. It transformed my plane and I wouldn't replace it with anything
else. The controller is simple to use and brilliant. There are others in
the group running this prop so it would be good to hear their experience
too. I'm not an agent for these but I certainly endorse them.
http://www.airmasterpropellers.com/
Cliff
Hello All,
I've been flying N168TM (Pulsar III - 912ULS) for almost ten years with the
Arplast PV50. The plane is ready for a new prop. What are folks using these
days with Pulsars? I must admit that the simplicity of a fixed pitch prop is
appealing, but I'm afraid I may have gotten used to the in-flight
adjustable's ability to optimize for climb and cruise.
During the last flight the pitch motor failed to adjust the prop pitch. This
time the electric motor is spinning freely so I suspect a stripped lead
screw. In past years I've had that happen one other time, plus two failed
electric pitch motors. Fortuntately the failure mode is always the same -
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motors. Fortuntately the failure mode is always the same - pitch is stuck where
you last had it. So as long as pitch range is limited to safe flight you're
okay, but it does make the cross country longer when top speed is 110mph due
to engine rpm.
If anyone has old Arplast parts I'd consider buying. But something completely different
might be the best solution at this point.
Bill
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