Today's Message Index:
----------------------
1. 06:34 AM - Re: Re: Key Switch for JAB 3300 (gary aman)
2. 07:16 AM - Re: Re: Key Switch for JAB 3300 (Craig Rairdin)
3. 09:00 AM - Re: Re: Key Switch for JAB 3300 ()
4. 09:17 AM - Re: Re: Key Switch for JAB 3300 (Craig Rairdin)
5. 09:48 AM - Re: Oil Pressure Sending unit location (DanM)
6. 10:24 AM - Re: Re: Oil Pressure Sending unit location (Andy Silvester)
7. 11:52 AM - Re: Re: Oil Pressure Sending unit location (Rob Turk)
8. 12:05 PM - Re: Oil Pressure Sending unit location (DanM)
9. 02:47 PM - DYNAMIC BALANCE (Peter Harris)
Message 1
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| Subject: | Re: Key Switch for JAB 3300 |
The security the switch gives is its best feature.You can easily wire from the
master a second lead to a push button tied to the starter energize terminal.
G Aman kolb MK-3 2200
I'm not flying my CH601XL yet but I second that suggestion. I went with an aircraft
type key switch "Off, Right, Left, Both, Start" from ACS but if I were doing
it again, I would use two toggle switches for the right and left mag and a
start button. One obvious benefit is that when you are doing maintenance or daignostics,
you can spin the engine with the starter while the mag switches are
off. The key won't allow that.
Dred
---- wypaul wrote:
>
> I used the ACS switch from Aircraft Spruce, but if I were doing it today I would
just use toggle switches and a push-button. They are lighter, available anywhere
and cheaper.
>
> Paul Spackman
> Q-2 3300 Jabiru
>
> --------
> Paul Spackman
> Q-2 Jabiru 3300
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=129933#129933
>
>
>
>
>
>
>
>
>
>
Message 2
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| Subject: | Re: Key Switch for JAB 3300 |
I had a Baron that didn't require a key but had a rotating key-like
switch
for the mags and starter. Since it didn't require a key, in order to
provide
some security there was a mic jack labelled COM3 inline with the
starter.
You had to insert a mic plug that had its tip and ring shorted to
provide a
connection for the starter. When you removed this plug the plane
wouldn't
start. Made it very difficult to steal. :-)
Craig
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of gary
aman
Sent: Tuesday, August 21, 2007 8:31 AM
Subject: Re: JabiruEngine-List: Re: Key Switch for JAB 3300
The security the switch gives is its best feature.You can easily wire
from
the master a second lead to a push button tied to the starter energize
terminal.
G Aman kolb MK-3 2200
dredmoody@cox.net wrote:
Message 3
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| Subject: | Re: Key Switch for JAB 3300 |
Thanks Craig, you have given me a good idea there. My key switch will of course
provide the anti-theft protection since without it, the mags can't be turned
on. I may use your shorted out 1/4" male mono plug as a more permanent way to
activate the starter solenoid with the mags switched off.
I didn't like the idea of a permanently installed second starter switch because
of the likelihood of activating it accidently. The extra jack labeled "Starter"
could not be activated without having the shorted out plug inserted. That's
enough safety for me, and as I said, it doesn't have to be camouflaged with a
misleading label for security in my case.
Thanks again for the idea,
Dred
---- Craig Rairdin <craig@craigr.com> wrote:
> I had a Baron that didn't require a key but had a rotating key-like switch
> for the mags and starter. Since it didn't require a key, in order to provide
> some security there was a mic jack labelled COM3 inline with the starter.
> You had to insert a mic plug that had its tip and ring shorted to provide a
> connection for the starter. When you removed this plug the plane wouldn't
> start. Made it very difficult to steal. :-)
Message 4
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| Subject: | Re: Key Switch for JAB 3300 |
I put the plug on a key chain that had the door keys on it so it was easy to
keep track of. It sure fooled the mechanics when I didn't leave the keys in
the airplane but instead handed them to them. I got more than one call (from
the same guy each time) telling me they had a problem they couldn't figure
out ... The plane wasn't starting no matter what they tried. :-)
Craig
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
dredmoody@cox.net
Sent: Tuesday, August 21, 2007 10:57 AM
Subject: RE: JabiruEngine-List: Re: Key Switch for JAB 3300
Thanks Craig, you have given me a good idea there. My key switch will of
course provide the anti-theft protection since without it, the mags can't be
turned on. I may use your shorted out 1/4" male mono plug as a more
permanent way to activate the starter solenoid with the mags switched off.
I didn't like the idea of a permanently installed second starter switch
because of the likelihood of activating it accidently. The extra jack
labeled "Starter" could not be activated without having the shorted out plug
inserted. That's enough safety for me, and as I said, it doesn't have to be
camouflaged with a misleading label for security in my case.
Thanks again for the idea,
Dred
---- Craig Rairdin <craig@craigr.com> wrote:
> I had a Baron that didn't require a key but had a rotating key-like switch
> for the mags and starter. Since it didn't require a key, in order to
provide
> some security there was a mic jack labelled COM3 inline with the starter.
> You had to insert a mic plug that had its tip and ring shorted to provide
a
> connection for the starter. When you removed this plug the plane wouldn't
> start. Made it very difficult to steal. :-)
Message 5
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| Subject: | Re: Oil Pressure Sending unit location |
So guys, is it ok to use the lower port?
--------
Dan Mc Intyre
Kitfox Model IV, Jab 2200
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=130119#130119
Message 6
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| Subject: | Re: Oil Pressure Sending unit location |
Dan,
Yes, it's OK to use the lower port. I've looked at the Drawing Rob refers
to, and I think it's wrong. It's ambiguous the way it's drawn, showing the
connection through the oil pump output port, and down into the gallery, when
in fact the connection should stop at the (upper) pump output port. I'll
clarify with Jabiru and will post here if different. However, I've measured
the pressure at both points, and the lower port is definitely at a lower
pressure, consistent with it being after the cooler and filter. I note that
the drawing isn't included in the later manual version for hydraulic
lifters!
Andy
Suncoast Sportplanes, Inc.
39248 South Ave, Zephyrhills, FL 33542
Tel: (813) 779 2324 Fax: (813) 779 2246
www.suncoastjabiru.com
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of DanM
Sent: Tuesday, August 21, 2007 1:48 PM
Subject: JabiruEngine-List: Re: Oil Pressure Sending unit location
So guys, is it ok to use the lower port?
--------
Dan Mc Intyre
Kitfox Model IV, Jab 2200
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=130119#130119
Message 7
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| Subject: | Re: Oil Pressure Sending unit location |
Andy,
Thanks for looking into this. I'm very interested to hear what Jabiru's take
is on this.
Rob
----- Original Message -----
From: "Andy Silvester" <andy@suncoastjabiru.com>
Sent: Tuesday, August 21, 2007 7:11 PM
Subject: RE: JabiruEngine-List: Re: Oil Pressure Sending unit location
> <andy@suncoastjabiru.com>
>
> Dan,
>
> Yes, it's OK to use the lower port. I've looked at the Drawing Rob refers
> to, and I think it's wrong. It's ambiguous the way it's drawn, showing the
> connection through the oil pump output port, and down into the gallery,
> when
> in fact the connection should stop at the (upper) pump output port. I'll
> clarify with Jabiru and will post here if different. However, I've
> measured
> the pressure at both points, and the lower port is definitely at a lower
> pressure, consistent with it being after the cooler and filter. I note
> that
> the drawing isn't included in the later manual version for hydraulic
> lifters!
>
> Andy
> Suncoast Sportplanes, Inc.
> 39248 South Ave, Zephyrhills, FL 33542
> Tel: (813) 779 2324 Fax: (813) 779 2246
> www.suncoastjabiru.com
>
Message 8
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| Subject: | Re: Oil Pressure Sending unit location |
Thanks Andy & Rob, I'll watch the forum for any additional info on this subject.
--------
Dan Mc Intyre
Kitfox Model IV, Jab 2200
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=130146#130146
Message 9
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As a result of finding several instances of a low frequency vibration I took
the opportunity when we had a week of bad weather to remove the prop ,
spinner and backing plate and spent three days balancing the set at home.
Very boring and tedious adding and taking 2mm screws, nuts and washers I
could only do it for an hour at a time. Any draft in the house and the prop
would move. When it was perfect and soon after in flight I got a very bad
scary low frequency vibration when decelerating and turning left at about
140KTS.Maybe precession triggered it off. Reducing throttle did not
immediately help.
I got the set up dynamically balanced and it took a 3/4X 7/16" bolt with nut
and two washers to correct the dynamic balance. I had been very satisfied
with the engine running but it ran smoother than ever before when the first
weight was fitted. The difference was very obvious. The prop/spinner and
backing plate are now NO WAY in static balance. I have marked the parts and
the prop shaft. The job took 4/4 hour and was done in the hangar.
It means that it was my engine that was badly out of balance and is now
corrected by the dynamic balancing of the prop/backing plate.
It means that if flywheel bolts are breaking it could be due to a poorly
balanced engine. My 3300 engine was factory rebuilt to zero hours in 2006.
Based on my experience I would recommend that all users get a proper dynamic
balance, making sure that the backing plate and spinner are in good sound
condition at the same time.
I understand that Pete and some others have got the equipment to do the job.
Peter H
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