Matronics Email Lists Forum Index Matronics Email Lists
Web Forum Interface to the Matronics Email Lists
 
 Get Email Distribution Too!Get Email Distribution Too!    FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

[ Bob Haas ] : New Email List Photo Share Available!

 
Post new topic   Reply to topic    Matronics Email Lists Forum Index -> JabiruEngine-List
View previous topic :: View next topic  
Author Message
BobTezyk



Joined: 10 Jan 2006
Posts: 38
Location: Midlothian, TX

PostPosted: Tue May 08, 2007 5:45 am    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Yes Bob,

We are out here. Just we just have nothing important to say right now.

Do not Archive

Bob Tezyk
601XL QB J3300
Building Elevators

Quote:
________________________________ Message 1
_____________________________________
Time: 01:26:27 PM PST US
Subject: [ Bob Haas ] : New Email List Photo Share
Available!
From: Email List Photo Shares <pictures(at)matronics.com>

A new Email List Photo Share is available:

Poster: Bob Haas <checkpoint2(at)comcast.net>

Lists: JabiruEngine-List

Subject: Sensenich Ground Adjustable Prop

http://www.matronics.com/photoshare/checkpoint2(at)comcast.net.05.07.2007/index.html



- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message Send e-mail Yahoo Messenger
hulens61(at)comcast.net
Guest





PostPosted: Tue May 08, 2007 6:06 am    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Quote:
We are out here. Just we just have nothing important to say right now.
> Bob Tezyk


++ Yep, we're out here waiting for something earth-shaking to respond to!

Fred 280 hours 3300/Zenith 601HDS
Do not archive


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Tue May 08, 2007 1:11 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Well, try this one on for size:

I have had to adjust my valve clearance several times recently, and
when I did it a few days ago, I found brass-colored metallic
particles inside one of the valve covers. I removed the oil filter
and cut it apart and found a few specks of the same material in the
filter. I removed the rocker shaft from the head to inspect the
rocker arm bushings, and found them in very poor shape, having lost
their teflon coating on the bottom of the bushing, and exposing the
sintered brass backing. The shafts are in good shape, slightly
discolored, but not worn.
Anybody else have a problem with valve lash? If you do, there's a
good chance that the bushings are worn, causing the lash to increase.
I did some research on the bushings, and found that they will
withstand over 400 degrees F, but could find no specs on how much
pressure the bushings will endure.
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs

On May 8, 2007, at 10:06 AM, Fred Hulen wrote:

Quote:

<hulens61(at)comcast.net>

> We are out here. Just we just have nothing important to say right
> now.
> > Bob Tezyk
++ Yep, we're out here waiting for something earth-shaking to
respond to!

Fred 280 hours 3300/Zenith 601HDS



- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
Peter H



Joined: 20 Mar 2007
Posts: 197

PostPosted: Tue May 08, 2007 1:19 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Lynn, nice to hear a voice or two on this list. How many hours on that
engine and what oil have you been using? (I have only 25hours but counting)
Regards
Peter H

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message
milreed(at)directcon.net
Guest





PostPosted: Tue May 08, 2007 2:40 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

What prompted you to check ? Noisy, or was it a routine check. Keep it
going.
Mil

---


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Tue May 08, 2007 5:11 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

I've been here since day one, but have held off posting much of
anything on this group (I also watch the Yahoo one) until now...lack
of anything to write about. But I've got a couple of issues to talk
about...more later.

I've got about 280 hours on it since it was first flown about 13
months ago. I used the mineral oil break-in oil recommended, then
switched to Aeroshell 100W after that. During the winter I used
Aeroshell 15W-50. I've always changed the oil at 25-30 hours, with
the filter.
I enjoy the engine very much, and try not to bad-mouth it, but
recently I've had a couple of disturbing incidents. Anybody looked
inside their distributor caps lately?

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs

On May 8, 2007, at 5:17 PM, Peter Harris wrote:

[quote]
<peterjfharris(at)bigpond.com>

Lynn, nice to hear a voice or two on this list. How many hours on that
engine and what oil have you been using? (I have only 25hours but
counting)
Regards
Peter H

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Tue May 08, 2007 5:39 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

After just the suggested checking at the proscribed hour, and
checking during the suggested head torque period, it came to me that
the engine was running more roughly...vibrating, actually...and
knowing engines as I do, I knew this could be caused by a cylinder
being off on valve lash. (If cylinders are dissimilar in their valve
lash, the power output is affected, hence it runs rough or vibrates.
It's a whole lot more noticeable on a 4-cylinder than on a higher
number of cylinders) After a lash re-setting, the engine ran fine.
When I found the brassy-colored particles the other day, inside the
rocker cover, and then "fingering" the rocker arms for slop, I
decided to pull the rocker shafts and have a look at the bushings.
What I found was a loss of the teflon coating where the arm contacts
the rocker shaft. I took the parts to an engine-knowledgeable person
locally, and he immediately recognized the bearing material as a DU
bearing material...do a google search for DU and read the interesting
history about this technology.
When I contacted my dealer, he said that apparently there is no
problem in the history of the Jabiru line of engines.
Perhaps there is no problem, but I've seen what my bearings look like
and I don't like the looks, and will be changing bushings soon. Since
I am out of warranty, I don't expect Jabiru to do anything for me, so
I'm taking the repair into my own hands.

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
On May 8, 2007, at 6:39 PM, Milburn Reed wrote:

Quote:

<milreed(at)directcon.net>

What prompted you to check ? Noisy, or was it a routine check. Keep
it going.
Mil


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
Peter H



Joined: 20 Mar 2007
Posts: 197

PostPosted: Tue May 08, 2007 8:11 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

I got a vast improvement in smooth running when I had my wooden prop
dynamically balanced even though I had spent hours to achieve a perfect
static balance. When the dynamic weights were added it was like a new
engine.
Peter J3300 25hrs

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message
JohnDRead(at)AOL.COM
Guest





PostPosted: Tue May 08, 2007 8:35 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Did you try emailing the factory rather than the dealer about this problem?

John Read
do not archive

See what's free at AOL.com.
[quote][b]


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Wed May 09, 2007 5:10 am    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

What kind/make prop? Mine's a Sensenich, and was smooth running from
the git-go. My engine started out smooth as silk, but over the hours
got mild vibration due to the valve lash loosening. After each new
setting, back to smooth again.

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
On May 9, 2007, at 12:10 AM, Peter Harris wrote:

Quote:

<peterjfharris(at)bigpond.com>

I got a vast improvement in smooth running when I had my wooden prop
dynamically balanced even though I had spent hours to achieve a
perfect
static balance. When the dynamic weights were added it was like a new
engine.
Peter J3300 25hrs


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Wed May 09, 2007 5:32 am    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

I don't know who this question if for , because you didn't include at
least a snippet of the post you're referring to, but I'll take a
chance it was about the valve lash/rocker arm bushing thread.
No, I didn't email the factory, because I've always heard that the
factory doesn't answer their emails. Besides, I've always had good
luck just phoning the dealers here in the USA. That is until another,
previous problem, came up and I never got an answer to my 2 emails
(including pictures) to each of the 3 US dealers....solved that one
on my own.
I guess it wouldn't hurt to email the factory, and see what they have
to say. I'm not trying to bad mouth the dealers, I just want to get
some answers, or alert somebody to a possible problem.

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
do not archive
On May 9, 2007, at 12:35 AM, JohnDRead(at)aol.com wrote:

Quote:
Did you try emailing the factory rather than the dealer about this
problem?

John Read
do not archive

See what's free at AOL.com.
http://www.matronics.com/Navigator?JabiruEngine-List _-
============================================================

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
do not archive


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
hulens61(at)comcast.net
Guest





PostPosted: Wed May 09, 2007 6:58 am    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Quote:
I got a vast improvement in smooth running when I had my wooden prop
dynamically balanced even though I had spent hours to achieve a perfect
static balance. When the dynamic weights were added it was like a new
engine.
Peter J3300 25hrs

++ Hey Peter, please tell me more about the particular process you went
through to dynamically balance your prop. I went to a specialty place to
have mine done but after about an hour of applying sensors and getting all
of their equipment ready to actually do it, the guy asked that I run the
engine at 2500 rpm for 5 minutes! My cooling is just fine in normal
operations but there's no way could I sit there on the ground and run it at
2500 rpms for 5 minutes without getting too hot. Please tell me some of the
particulars when you had yours done.
Thanks
Fred


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
Peter H



Joined: 20 Mar 2007
Posts: 197

PostPosted: Wed May 09, 2007 1:16 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Lynn
My prop is from Ed Sterba and I have been trimming it, also there were
issues with the spinner backing plate. But my experience proved that static
balance was not enough. It was not until dynamic balance that I discovered
how smooth is smooth.
By valve lash do you mean that the tappet clearances were regularly becoming
uneven?
Peter H

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message
info(at)usjabiru.com
Guest





PostPosted: Wed May 09, 2007 1:44 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Peter,

Where did you attach the weights to the prop or spinner to balance it? How
much weight did it take? We are about to go into the dynamic balancing
business and are not sure just yet as to where to attach the weights.

Pete Krotje
Jabiru USA Sport Aircraft, LLC

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Wed May 09, 2007 2:58 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Yes, valve lash is what it is sometimes referred to over here. It
used to be called tappet clearance (in the days of flathead engines)
when in fact you were setting the clearances *at* the tappet (cam
follower), but with overhead valve engines, the term valve clearance
or valve lash is used...here at least. When dealing with a small
number of cylinders, any cylinder which has its valves mis-adjusted
will operate at less power than the others, causing the vibration or
imbalance. This is partly due to less *effective* camshaft lift
(looser clearance setting), or maybe keeping the valve open when it
should be closed (tighter to 'zero' clearance setting).
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
do not archive

On May 9, 2007, at 5:14 PM, Peter Harris wrote:

Quote:

<peterjfharris(at)bigpond.com>

Lynn
My prop is from Ed Sterba and I have been trimming it, also there were
issues with the spinner backing plate. But my experience proved
that static
balance was not enough. It was not until dynamic balance that I
discovered
how smooth is smooth.
By valve lash do you mean that the tappet clearances were regularly
becoming
uneven?
Peter H


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
Back to top
View user's profile Send private message Send e-mail
Peter H



Joined: 20 Mar 2007
Posts: 197

PostPosted: Wed May 09, 2007 9:05 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Pete the maintenance shop here did the job and they have a lot of experience
with the equipment, using electronic equipment which they said cost $6000. A
vibration sensor is attached to the engine near centre front just behind the
prop. A laser is fitted where it will see the reflection from tape on the
prop. The two inputs establish weight and position. The control unit is
attached to the sensor and laser by long leads. The backing disc for the
spinner was indexed and I ran the engine up to 2700 rpm and the first read
out called up weights and a location. At this stage washers were selected
and weighed using a very sensitive electronic scale part of the kit which
measures to .01 G . The washers were fitted for convenience to the nearest
spinner attach screw and we ran again twice more with small adjustments to
the weights, then we calculated by proportion how much weight to fix at a
convenient hidden point at a smaller radius inside the backing plate. From
memory it took about 1.5G which we did with a short bolt and some washers
weighed using the e scale.
What impressed me was how much smoother it bran right from the first
addition. I think it is a good starting point for the flywheel bolts job.I
think your customers will be happy with the result. It took about 45min.
Peter

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message
Peter H



Joined: 20 Mar 2007
Posts: 197

PostPosted: Wed May 09, 2007 9:23 pm    Post subject: [ Bob Haas ] : New Email List Photo Share Available! Reply with quote

Hi Fred,
I covered most of the details in my post to Pete . From the point of view of
overheating it was not really an issue. I had the cowls off and each run up
was for only a minute or so, then there was down time for interpreting the
results, selecting and weighing the weights etc. and I switched off for
this. There was a total of 3 power runs and the whole job took about 45
mins. I would guess that 50% of the time was down time devoted to selecting
and weighing and adding the weights.
Let me know if you have any other questions.
Peter

--


- The Matronics JabiruEngine-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?JabiruEngine-List
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    Matronics Email Lists Forum Index -> JabiruEngine-List All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


Powered by phpBB © 2001, 2005 phpBB Group