Today's Message Index:
----------------------
1. 09:18 AM - Re: Propellor Choices (pilot623)
2. 01:56 PM - Re: Propellor Choices (barrynorman@comcast.net)
3. 02:34 PM - Re: Propellor Choices (pilot623)
4. 04:35 PM - Re: Propellor Choices (barrynorman@comcast.net)
5. 10:01 PM - Re: Propeller Choices (freedom4life)
6. 10:50 PM - Re: Propellor Choices (Keith Palmer)
Message 1
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| Subject: | Propellor Choices |
I have to agree with Cliff. My Airmaster CS prop has been in use about 140
hours and as he says, it's simple to use in all phases of flight. I have not
had any maintenance issues. It's a bit heavier than most and certainly more
expensive but I love it and would buy it again. My previous experience was
with the Ivo in-flight adjustable. It worked fine but I did suffer a few
maintenance issues like replacing the internal drive motor twice. I'm no
aerodynamicist but the shape of the blades had me wondering if there were
some more efficiencies that could be had there. I've never operated my plane
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of freedom4life
Sent: Monday, October 22, 2012 3:01 PM
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 -
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 |
Jim,
What prop did you have before?=C2- Did you get the 2 or three blade versi
on? Was there in improvement in performance over the old one?
Barry
----- Original Message -----
From: "pilot623" <pilot623@gmail.com>
Sent: Thursday, October 25, 2012 12:17:53 PM
Subject: RE: Pulsar-List: Propellor Choices
I have to agree with Cliff. My Airmaster CS prop has been in use about 140
hours and as he says, it's simple to use in all phases of flight. I have no
t
had any maintenance issues. It's a bit heavier than most and certainly more
expensive but I love it and would buy it again. My previous experience was
with the Ivo in-flight adjustable. It worked fine but I did suffer a few
maintenance issues like replacing the internal drive motor twice. I'm no
aerodynamicist but the shape of the blades had me wondering if there were
some more efficiencies that could be had there. I've never operated my plan
e
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of freedom4life
Sent: Monday, October 22, 2012 3:01 PM
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 thi
s
same propeller. =C2-I have not had to do anything to it other than replac
e
brushes. =C2-It transformed my plane and I wouldn't replace it with anyth
ing
else. =C2-The controller is simple to use and brilliant. =C2-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 i
s
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. Thi
s
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
===========
===========
MS -
===========
e -
=C2- =C2- =C2- =C2- =C2--Matt Dralle, List Admin.
===========
Message 3
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| Subject: | Propellor Choices |
Hi Barry,
I used the 3 blade Ivo medium before. The Airmaster is 3 blade as well and
uses Warp blades. I like the inlaid nickel leading edges but here in
Houston, have to keep a light coat of oil or grease on the nickel to avoid
corrosion. I have seen around 5 mph improvement with the Airmaster. It is
fully feathering but I haven't feathered it in flight. Something about
killing a perfectly happy engine in flight bothers me.
A rotating switch is used to select the Takeoff (5,800 rpm), Climb (5,500)
or Cruise (5,000) setting. There a Hold setting so you can select your rpm
if you don't want to use one of the standard settings. There is also a
Manual mode where you then use a toggle switch to increase or decrease
pitch. This prop only consumes an amp or two vs. the Ivo which consumes more
as it nears the stops, up to 10 amps or so. The Ivo achieves different pitch
settings by warping the blades rather than rotating them in the hub.
Jim
_____
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
barrynorman@comcast.net
Sent: Thursday, October 25, 2012 3:56 PM
Subject: Re: Pulsar-List: Propellor Choices
Jim,
What prop did you have before? Did you get the 2 or three blade version?
Was there in improvement in performance over the old one?
Barry
_____
From: "pilot623" <pilot623@gmail.com>
Sent: Thursday, October 25, 2012 12:17:53 PM
Subject: RE: Pulsar-List: Propellor Choices
I have to agree with Cliff. My Airmaster CS prop has been in use about 140
hours and as he says, it's simple to use in all phases of flight. I have not
had any maintenance issues. It's a bit heavier than most and certainly more
expensive but I love it and would buy it again. My previous experience was
with the Ivo in-flight adjustable. It worked fine but I did suffer a few
maintenance issues like replacing the internal drive motor twice. I'm no
aerodynamicist but the shape of the blades had me wondering if there were
some more efficiencies that could be had there. I've never operated my plane
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of freedom4life
Sent: Monday, October 22, 2012 3:01 PM
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 -
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
_p; &n===================
Message 4
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| Subject: | Re: Propellor Choices |
Jim,
Thanks for the info. I s there an advantage to a three blade vs two blade?
Barry
----- Original Message -----
From: "pilot623" <pilot623@gmail.com>
Sent: Thursday, October 25, 2012 5:34:15 PM
Subject: RE: Pulsar-List: Propellor Choices
Hi Barry,
=C2-
I used the 3 blade Ivo medium before. The Airmaster is 3 blade as well and
uses Warp blades. I like the inlaid nickel leading edges but here in Housto
n, have to keep a light coat of oil or grease on the nickel to avoid corros
ion. I have seen around 5 mph improvement with the Airmaster. It is fully f
eathering but I haven't feathered it in flight. Something about killing a p
erfectly happy engine in flight bothers me.
=C2-
A rotating switch is used to select the Takeoff (5,800 rpm), Climb (5,500)
or Cruise (5,000) setting. There a Hold setting so you can select your rpm
if you don't want to use one of the standard settings. There is also a Manu
al mode where you then use a toggle switch to increase or decrease pitch. T
his prop only consumes an amp or two vs. the Ivo which consumes more as it
nears the stops, up to 10 amps or so. The Ivo achieves different pitch sett
ings by warping the blades rather than rotating them in the hub.
=C2-
Jim
From: owner-pulsar-list-server@matronics.com [mailto:owner-pulsar-list-serv
er@matronics.com] On Behalf Of barrynorman@comcast.net
Sent: Thursday, October 25, 2012 3:56 PM
Subject: Re: Pulsar-List: Propellor Choices
Jim,
=C2-
What prop did you have before?=C2- Did you get the 2 or three blade versi
on? Was there in improvement in performance over the old one?
=C2-
Barry
----- Original Message -----
From: "pilot623" <pilot623@gmail.com>
Sent: Thursday, October 25, 2012 12:17:53 PM
Subject: RE: Pulsar-List: Propellor Choices
I have to agree with Cliff. My Airmaster CS prop has been in use about 140
hours and as he says, it's simple to use in all phases of flight. I have no
t
had any maintenance issues. It's a bit heavier than most and certainly more
expensive but I love it and would buy it again. My previous experience was
with the Ivo in-flight adjustable. It worked fine but I did suffer a few
maintenance issues like replacing the internal drive motor twice. I'm no
aerodynamicist but the shape of the blades had me wondering if there were
some more efficiencies that could be had there. I've never operated my plan
e
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of freedom4life
Sent: Monday, October 22, 2012 3:01 PM
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 thi
s
same propeller. =C2-I have not had to do anything to it other than replac
e
brushes. =C2-It transformed my plane and I wouldn't replace it with anyth
ing
else. =C2-The controller is simple to use and brilliant. =C2-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 i
s
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. Thi
s
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
_p; =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- &
n====================
href="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronhr
ef="http://forums.matronics.com">http://forums.matronics.com href="http
://www.matronics.com/contribution">http://www.matronics.com/c
==
Message 5
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| Subject: | Re: Propeller Choices |
Barry,because of the large speed envelope of the Pulsar any fixed pitch
prop is going to be a very limited in its performance. I tried several
two and three blade ground adjustable props before fitting the Airmaster
CS propeller system. Three blades gave very good take of performance
but was so restrictive in top end speed (like driving your car in low
gear) and the two blades gave very poor take off performance with
reasonable top end speed. (Try taking off in overdrive in your car!)
Because I always fly off grass which is often wet and long the end fence
was always coming up very quickly before getting airborne! The Pulsar
benefits so much from the three bladed constant speed prop as it fines
itself up to give maximum HP from the engine with resulting rapid
acceleration. At the other end of the spectrum it allows a high top
speed with normal engine speeds at 5,000 rpm. My 80HP XP will do 144
knots straight and level with the Airmaster. It wouldn=99t get
close to that with original two bladed GSC prop. I did try several
other propellers and despite the GSC only having three laminations and
the blades warping and becoming different to each other, it was about
the best compromised prop I tried. The Prince prop may well have been
better but I never tried that.
I would say that the performance gained from the constant speed prop was
better than 30%. Also slowing done in the pattern now is no trouble at
all as the propeller does all the braking. You can approach much
steeper for better visibility without going through your max flap
speeds.
Cliff
Jim,
Thanks for the info. Is there an advantage to a three blade vs two
blade?
Barry
-------------------------------------------------------------------------
-------
From: "pilot623" <pilot623@gmail.com>
Sent: Thursday, October 25, 2012 5:34:15 PM
Subject: RE: Pulsar-List: Propellor Choices
Hi Barry,
I used the 3 blade Ivo medium before. The Airmaster is 3 blade as well
and uses Warp blades. I like the inlaid nickel leading edges but here in
Houston, have to keep a light coat of oil or grease on the nickel to
avoid corrosion. I have seen around 5 mph improvement with the
Airmaster. It is fully feathering but I haven't feathered it in flight.
Something about killing a perfectly happy engine in flight bothers me.
A rotating switch is used to select the Takeoff (5,800 rpm), Climb
(5,500) or Cruise (5,000) setting. There a Hold setting so you can
select your rpm if you don't want to use one of the standard settings.
There is also a Manual mode where you then use a toggle switch to
increase or decrease pitch. This prop only consumes an amp or two vs.
the Ivo which consumes more as it nears the stops, up to 10 amps or so.
The Ivo achieves different pitch settings by warping the blades rather
than rotating them in the hub.
Jim
-------------------------------------------------------------------------
-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
barrynorman@comcast.net
Sent: Thursday, October 25, 2012 3:56 PM
To: pulsar-list@matronics.com
Subject: Re: Pulsar-List: Propellor Choices
Jim,
What prop did you have before? Did you get the 2 or three blade
version? Was there in improvement in performance over the old one?
Barry
-------------------------------------------------------------------------
-----
From: "pilot623" <pilot623@gmail.com>
To: pulsar-list@matronics.com
Sent: Thursday, October 25, 2012 12:17:53 PM
Subject: RE: Pulsar-List: Propellor Choices
I have to agree with Cliff. My Airmaster CS prop has been in use about
140
hours and as he says, it's simple to use in all phases of flight. I
have not
had any maintenance issues. It's a bit heavier than most and certainly
more
expensive but I love it and would buy it again. My previous experience
was
with the Ivo in-flight adjustable. It worked fine but I did suffer a
few
maintenance issues like replacing the internal drive motor twice. I'm
no
aerodynamicist but the shape of the blades had me wondering if there
were
some more efficiencies that could be had there. I've never operated my
plane
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
freedom4life
Sent: Monday, October 22, 2012 3:01 PM
To: pulsar-list@matronics.com
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 -
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
_p;
&n===================
href="http://www.matronics.com/Navigator?Pulsar-List">http://www.matron
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
arget=_blank>http://www.matronics.com/Navigator?Pulsar-List
p://forums.matronics.com
blank>http://www.matronics.com/contribution
Message 6
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| Subject: | Re: Propellor Choices |
Barry,
There is a stack of information on the net about props it
becomes a very interesting subject once you get started, and one thing
least known about by most pilots, you must have heard the phrase "There
are horses for courses"
Good reading
Keith
----- Original Message -----
From: barrynorman@comcast.net
To: pulsar-list@matronics.com
Sent: Friday, October 26, 2012 1:29 AM
Subject: Re: Pulsar-List: Propellor Choices
Jim,
Thanks for the info. Is there an advantage to a three blade vs two
blade?
Barry
-------------------------------------------------------------------------
-----
From: "pilot623" <pilot623@gmail.com>
To: pulsar-list@matronics.com
Sent: Thursday, October 25, 2012 5:34:15 PM
Subject: RE: Pulsar-List: Propellor Choices
Hi Barry,
I used the 3 blade Ivo medium before. The Airmaster is 3 blade as well
and uses Warp blades. I like the inlaid nickel leading edges but here in
Houston, have to keep a light coat of oil or grease on the nickel to
avoid corrosion. I have seen around 5 mph improvement with the
Airmaster. It is fully feathering but I haven't feathered it in flight.
Something about killing a perfectly happy engine in flight bothers me.
A rotating switch is used to select the Takeoff (5,800 rpm), Climb
(5,500) or Cruise (5,000) setting. There a Hold setting so you can
select your rpm if you don't want to use one of the standard settings.
There is also a Manual mode where you then use a toggle switch to
increase or decrease pitch. This prop only consumes an amp or two vs.
the Ivo which consumes more as it nears the stops, up to 10 amps or so.
The Ivo achieves different pitch settings by warping the blades rather
than rotating them in the hub.
Jim
-------------------------------------------------------------------------
---
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
barrynorman@comcast.net
Sent: Thursday, October 25, 2012 3:56 PM
To: pulsar-list@matronics.com
Subject: Re: Pulsar-List: Propellor Choices
Jim,
What prop did you have before? Did you get the 2 or three blade
version? Was there in improvement in performance over the old one?
Barry
-------------------------------------------------------------------------
---
From: "pilot623" <pilot623@gmail.com>
To: pulsar-list@matronics.com
Sent: Thursday, October 25, 2012 12:17:53 PM
Subject: RE: Pulsar-List: Propellor Choices
I have to agree with Cliff. My Airmaster CS prop has been in use
about 140
hours and as he says, it's simple to use in all phases of flight. I
have not
had any maintenance issues. It's a bit heavier than most and
certainly more
expensive but I love it and would buy it again. My previous
experience was
with the Ivo in-flight adjustable. It worked fine but I did suffer a
few
maintenance issues like replacing the internal drive motor twice.
I'm no
aerodynamicist but the shape of the blades had me wondering if there
were
some more efficiencies that could be had there. I've never operated
my plane
with a fixed pitch prop.
Jim Fillman
N623JF
Series 2
Rotax 912S
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
freedom4life
Sent: Monday, October 22, 2012 3:01 PM
To: pulsar-list@matronics.com
Subject: Re: Pulsar-List: Propellor Choices
--> <freedom4life@xtra.co.nz>
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 -
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
_p;
&n===================
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