Today's Message Index:
----------------------
1. 02:20 AM - Relief valve bouncing causing pulsing (James, Clive R)
2. 05:22 PM - Oil on the top of the dip stick (n5pb@AOL.COM)
3. 05:27 PM - Re: Short wingtips (n5pb@AOL.COM)
4. 05:30 PM - Saturday Flight (n5pb@AOL.COM)
5. 05:34 PM - Re: Oil on the top of the dip stick (lowell ridge)
Message 1
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Subject: | Relief valve bouncing causing pulsing |
I have recently tried the 4th shape of valve plug. Picture attached and
for Yahoo find it at:
http://groups.yahoo.com/group/jabiruengines/photos/album/439839736/pic/1
33555367/view?picmode=&mode=tn&order=ordinal&start=1&count &d
ir=asc
The new video shows clearly the effect of the taper and the smoothness
of the pressure in the system, compared to the original.
http://www.youtube.com/watch?v=jhOQmBQctHA&feature=youtu.be
Original flat top:
http://www.youtube.com/watch?v=q_TCQtrfUHc&feature=related
Given this is the same engine I hope that those that suggest the pump
puts out the pulses will now see it isn't the case.
I plan a slightly more tapered plug as the final design. The blunt end
will still ensure 'relief' properties while the taper will ensure the
smooth pressure control that will stop cooler damage and wear on
pressure senders.
Unfortunately it can't stop leakage through engine casings so my engine
still needs to be split. The healthy pressure in the video drops back
when the engine is warm and at tick over I only see 10 psi. The joys of
Jabiru ownership.....
Regards, Clive <<4 shapes of plug.jpg>>
Message 2
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Subject: | Oil on the top of the dip stick |
Did someone on the list write about oil on the outside, top of the oil dip
stick. If so, can you remind me what causes this and what you did to stop
the oil
thanks
Bear
Message 3
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Subject: | Re: Short wingtips |
Bill,
glad you're back "in the air". Probably pretty exciting to have your own h
ome/hangar. Send some pics.
Don't have any info on your short wings, as I'm pretty happy with the resul
ts I'm getting with the longer ones.
On another note, I just finished changing out all my Matco brake lines with
another product. (Bonaco) I'll be doing a write up on these as I think t
hey are FAR superior than the original ones that came with the brakes and n
ot too expensive.
All is well here in Clearwater Florida. Have a great Christmas.
Bear
N82PB
-----Original Message-----
From: Bill Strahan <bill@gdsx.com>
Sent: Sat, Dec 17, 2011 6:50 pm
Subject: Lightning-List: Short wingtips
After a long hiatus from flying due to numerous issues, I'm back. I flew f
or
he first time last week since March 31! It turns out I hadn't forgotten ho
w.
In any case, I've just moved to my new airport home with a hanger, and I'm
inally in a position to start working on my list of things to make my Light
ning
he plane I want it to be.
Top of the list is the short wing tips. Having flown the plane with short
and
ong wingtips, I much preferred the handling with the short wingtips. but t
he
ounded and tapered tips are about the worst design possible from a drag sta
nd
oint.
So I'm firing this out into the list. First, any news from the factory on
short
ing tips with the mini-winglet? Second, anyone tried some simple blocked o
ff
ips like what's on a Malibu? If I make my own I'm going to go that route f
or
implicity.
Anyone flying through the DFW area email me at bill@gdsx.com and plan a sto
p at
69 and I'll be happy to meet another Lightning driver. After wanting to li
ve
n an airport for 20 years, I'm finally there.
Bill
ead this topic online here:
http://forums.matronics.com/viewtopic.php?p=361113#361113
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Message 4
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Just another beautiful day in Fl. Went to Venice for lunch. Pic of me and
the "jet" parked for lunch...
Both plane and pilot behaved well.
Bear
-----Original Message-----
From: Mike Dwyer <q200pilot@gmail.com>
Sent: Sun, Dec 18, 2011 6:49 pm
Subject: Your pix
Sent from my Windows Phone
Message 5
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Subject: | Re: Oil on the top of the dip stick |
Clean the top of the dipstick with MEK and put a drop of epoxy on the
end of the dipstick----- Original Message -----
From: n5pb@AOL.COM
To: lightning-list@matronics.com
Sent: Sunday, December 18, 2011 5:19 PM
Subject: Lightning-List: Oil on the top of the dip stick
Did someone on the list write about oil on the outside, top of the oil
dip stick. If so, can you remind me what causes this and what you did
to stop the oil
thanks
Bear
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