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DanM
Joined: 16 Nov 2006
Posts: 64
Location: Kingsburg, Calif.
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 Posted: Thu Jul 24, 2008 12:29 pm Post subject: Sensenich prop install, 2200 |
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Hello all;
I have two questions concerning installation of the Sensenich prop on my Jab 2200;
1.) Since my prop is Sensenich as apposed to a Jabiru prop, do the Belleville washers have to be used per the Jabiru install instructions?. I read that the washers are used because the Jab prop is a soft wood. The Sensenich prop instruction don't call for these washers.
2.) The alternate propeller installation method described by Jabiru for their props shows the mounting bolts installed in the reverse direction as compared to the standard assembly method. I would like to install my bolt in the opposite direction as well. I have a clearance problem with the prop locknut's being real close the cowling. Installing the bolts reversed will solve the problem.
Thanks in advance for your comments and suggestions
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_________________
Dan Mc Intyre
Kitfox IV
Jabiru 2200 SN 1311 , 59.7 hours
Sensenich 62x46
N443DM |
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tjs22t(at)verizon.net
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| Posted: Thu Jul 24, 2008 1:22 pm Post subject: Sensenich prop install, 2200 |
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| Quote: | 1.) Since my prop is Sensenich as apposed to a Jabiru prop, do the
Belleville washers have to be used per the Jabiru install instructions?. I
read that the washers are used because the Jab prop is a soft wood. The
Sensenich prop instruction don't call for these washers.
|
+++ Since the Jab folks are heading to OSH I'll offer what I've done. I am
not an expert so take this FWIW:
When changing from the original Jab prop to a Sensenich about fifty
hours ago I did not use the belleville washers but what the Sensenich
diagram called for. Torque values have held through three checks.
I also have reversed the direction of the bolt/nut with no problems.
CAVU jeff HDS/3300
| Quote: | 2.) The alternate propeller installation method described by Jabiru for
their props shows the mounting bolts installed in the reverse direction as
compared to the standard assembly method. I would like to install my bolt
in the opposite direction as well. I have a clearance problem with the
prop locknut's being real close the cowling. Installing the bolts reversed
will solve the problem.
|
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Thu Jul 24, 2008 1:24 pm Post subject: Sensenich prop install, 2200 |
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I installed my Sensenich W62HJ46 wood prop as per Sensenich's
instructions, that is, bolts pointing forward, 1 belleville washer
with the cupped side against the plate, followed by the nylon lock nut.
As far as I could determine, the "alternate prop mounting" service
bulletin that came out was for the softer Jabiru-made props. At least
that's what I read into that bulletin, and ignored it for my
Sensenich prop installation.
I think that the reason for the multiple washers was to allow the
washers to flex enough to maintain torque throughout humidity changes
with that softer prop material. I spoke with Pete about this and I'm
pretty certain that it was from him that I got the info needed to
ignore the bulletin in my case. If still in doubt, give him a call or
email him before he heads for Oshkosh. Or try calling Jim at Pacific
Jabiru, as he'll still be there....Pacific time zone and all that.
Lynn Matteson
Kitfox IV Speedster
Jabiru 2200
Status: flying w/550+ hrs
On Jul 24, 2008, at 4:29 PM, DanM wrote:
| Quote: |
<danm(at)gangnailtruss.com>
Hello all;
I have two questions concerning installation of the Sensenich prop
on my Jab 2200;
1.) Since my prop is Sensenich as apposed to a Jabiru prop, do the
Belleville washers have to be used per the Jabiru install
instructions?. I read that the washers are used because the Jab
prop is a soft wood. The Sensenich prop instruction don't call for
these washers.
2.) The alternate propeller installation method described by Jabiru
for their props shows the mounting bolts installed in the reverse
direction as compared to the standard assembly method. I would like
to install my bolt in the opposite direction as well. I have a
clearance problem with the prop locknut's being real close the
cowling. Installing the bolts reversed will solve the problem.
Thanks in advance for your comments and suggestions
--------
Dan Mc Intyre
Kitfox Model IV, Jab 2200
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=194760#194760
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| | - 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:
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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