Today's Message Index:
----------------------
1. 08:40 AM - Re: Yak-List Digest: 3 Msgs - 05/29/03 (Skipsly@aol.com)
2. 02:21 PM - livery design (Mark Jefferies)
3. 05:57 PM - SURGING YAK (Frank Haertlein)
4. 06:02 PM - Re: Trim (Frank Haertlein)
5. 07:26 PM - Re: SURGING YAK (Gus Fraser)
6. 07:27 PM - Re: Trim (Gus Fraser)
7. 08:04 PM - Re: SURGING YAK (Ernie)
8. 10:09 PM - Re: SURGING YAK (Jim Selby)
Message 1
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| Subject: | Re: Yak-List Digest: 3 Msgs - 05/29/03 |
--> Yak-List message posted by: Skipsly@aol.com
In a message dated 05/30/2003 3:59:18 AM Atlantic Daylight Time,
yak-list-digest@matronics.com writes:
> From: cjpilot710@aol.com
> Subject: Re: YAK training school in Manitowoc
>
Jim,
I plan on being there with the Chang. I for one would very much like to have
an aerobatic box. And maybe we could do a special formation that spells out
"communism sucks?"
Skip Slyfield
Message 2
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"YAK Club UK" <yakclub@yahoogroups.com>
--> Yak-List message posted by: "Mark Jefferies" <mark@yakuk.com>
These guys may be able to offer our club a service.
http://www.aeroprofile.com
We design liveries for all types of civil and military aircraft, for a
privately owned Yak this would cost around $400.00. We work with the
owner/operator to create the design then prepare 2D side profiles for the
paint shop. A beautiful 3D version of the finished artwork is usually
presented to the owner for framing.
Aeroprofile also produces personalized one-off profiles, these are popular
with military pilots, private owners as well as various aviation companies.
The prints look great framed and the artwork can also be used in brochures
and on websites.
Message 3
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--> Yak-List message posted by: "Frank Haertlein" <yak52driver@earthlink.net>
Yaksters;
Taking off early last Sunday I noticed the engine / prop "SURGING". You
could feel, by the seat of your pants, the variations in acceleration
after I had leveled out and reduced power to 80%. It wasn't markedly
pronounced but I could definably feel a slight acceleration and then
deceleration repeated about a half dozen times before it stopped. My
first thought was it had to do with variations in prop pitch as the
engine RPM remained constant. My guess is it has something to do with
the prop governor.
Anybody got any ideas as to where to look to solve the problem?
Thanks in advance!
Frank
N9110M
Message 4
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--> Yak-List message posted by: "Frank Haertlein" <yak52driver@earthlink.net>
Yaksters;
Given we're talking about the M14 and a new or freshly overhauled engine
just past break-in, what is the best possible oil to run with long
engine life in mind? What is the ultimate oil to run in your engine even
if cost is not a factor?
Thanks in advance!
Frank
N9110M
Message 5
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--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
Did you exercise the prop before departure ? Had it been some time since you
last flew ? it may have been air in the oil line to the gov unit. Just a
guess, I have to say that I have not heard of that before but air in the
prop head would explain the surge that went away as the air was bleed out.
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
Subject: Yak-List: SURGING YAK
--> Yak-List message posted by: "Frank Haertlein"
<yak52driver@earthlink.net>
Yaksters;
Taking off early last Sunday I noticed the engine / prop "SURGING". You
could feel, by the seat of your pants, the variations in acceleration
after I had leveled out and reduced power to 80%. It wasn't markedly
pronounced but I could definably feel a slight acceleration and then
deceleration repeated about a half dozen times before it stopped. My
first thought was it had to do with variations in prop pitch as the
engine RPM remained constant. My guess is it has something to do with
the prop governor.
Anybody got any ideas as to where to look to solve the problem?
Thanks in advance!
Frank
N9110M
Message 6
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--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
Ha,
There is a clue here to the surge problem. Did you do a 5/10 hour oil change
? maybee that is where the air came from. Was the oil change just prior to
the flight.....
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
Subject: RE: Yak-List: Trim
--> Yak-List message posted by: "Frank Haertlein"
<yak52driver@earthlink.net>
Yaksters;
Given we're talking about the M14 and a new or freshly overhauled engine
just past break-in, what is the best possible oil to run with long
engine life in mind? What is the ultimate oil to run in your engine even
if cost is not a factor?
Thanks in advance!
Frank
N9110M
Message 7
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--> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
If you search the archives I think you will find that someone else had the
same exact problem. I beleive it turned out to be the prop gov.
Ernie
----- Original Message -----
From: "Gus Fraser" <fraseg@comcast.net>
Subject: RE: Yak-List: SURGING YAK
> --> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
>
> Did you exercise the prop before departure ? Had it been some time since
you
> last flew ? it may have been air in the oil line to the gov unit. Just a
> guess, I have to say that I have not heard of that before but air in the
> prop head would explain the surge that went away as the air was bleed out.
>
>
> Gus
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
> To: yak-list@matronics.com
> Subject: Yak-List: SURGING YAK
>
>
> --> Yak-List message posted by: "Frank Haertlein"
> <yak52driver@earthlink.net>
>
> Yaksters;
> Taking off early last Sunday I noticed the engine / prop "SURGING". You
> could feel, by the seat of your pants, the variations in acceleration
> after I had leveled out and reduced power to 80%. It wasn't markedly
> pronounced but I could definably feel a slight acceleration and then
> deceleration repeated about a half dozen times before it stopped. My
> first thought was it had to do with variations in prop pitch as the
> engine RPM remained constant. My guess is it has something to do with
> the prop governor.
>
> Anybody got any ideas as to where to look to solve the problem?
>
> Thanks in advance!
> Frank
> N9110M
>
>
Message 8
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--> Yak-List message posted by: "Jim Selby" <alikatz@mbay.net>
Frank,
Recently went through the same problem on a New Engine we installed and
Yes, it was the Prop Govenor. Good luck
Jim, Jr
----- Original Message -----
From: "Ernie" <ernest.martinez@oracle.com>
Subject: Re: Yak-List: SURGING YAK
> --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
>
> If you search the archives I think you will find that someone else had the
> same exact problem. I beleive it turned out to be the prop gov.
>
> Ernie
> ----- Original Message -----
> From: "Gus Fraser" <fraseg@comcast.net>
> To: <yak-list@matronics.com>
> Subject: RE: Yak-List: SURGING YAK
>
>
> > --> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
> >
> > Did you exercise the prop before departure ? Had it been some time since
> you
> > last flew ? it may have been air in the oil line to the gov unit. Just a
> > guess, I have to say that I have not heard of that before but air in the
> > prop head would explain the surge that went away as the air was bleed
out.
> >
> >
> > Gus
> >
> > -----Original Message-----
> > From: owner-yak-list-server@matronics.com
> > [mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
> > To: yak-list@matronics.com
> > Subject: Yak-List: SURGING YAK
> >
> >
> > --> Yak-List message posted by: "Frank Haertlein"
> > <yak52driver@earthlink.net>
> >
> > Yaksters;
> > Taking off early last Sunday I noticed the engine / prop "SURGING". You
> > could feel, by the seat of your pants, the variations in acceleration
> > after I had leveled out and reduced power to 80%. It wasn't markedly
> > pronounced but I could definably feel a slight acceleration and then
> > deceleration repeated about a half dozen times before it stopped. My
> > first thought was it had to do with variations in prop pitch as the
> > engine RPM remained constant. My guess is it has something to do with
> > the prop governor.
> >
> > Anybody got any ideas as to where to look to solve the problem?
> >
> > Thanks in advance!
> > Frank
> > N9110M
> >
> >
>
>
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