Hey Bruce, will definitely have to do that one again this summer. Also, am
better equipped now with my inflatable canoe. I was up there last fall with
my son, and we found another good spot full of hungry trout, and probably
can fish right off of some big logs there and may not even need the canoe.
Walter
-----Original Message-----
From:
mike.davis@dcsol.com [mailto:
mike.davis@dcsol.com] On Behalf Of Bruce
Georgen
Sent: May 6, 2006 8:16 AM
To:
rebel-builders@dcsol.com
Subject: Re: [rebel-builders] 1800 amphibs
Wayne,
Good to know about the hand pump. I thought mine leaked from the top down
but I haven't paid much attention to it for a year or so.
I "always" leave my gear lever in the up position (never neutral or down)
even when parked in the hanger. It will never build pressure this way.
Try flying into one of BC's nice fishing lakes in the middle of no where,
miles from anything, at altitude with 30* temps early in the morning. Land
and have your fun then come back to your closed up plane when it's 80* at
2:00 in the afternoon, pulling your string of trout, only to notice hyd.
fluid sprayed all over the inside of your windows. Next feel your heart sink
as your, up until then, wonderful day slides into oblivion as you start to
ponder your options.
True story...although I might have embellished it a little (I think we only
caught two or three trout, right Walter?) but the lesson is the same.
fortunately I had company and we fixed the problem and got home in time for
dinner but it could have been much worse.
In the heat the pressure had built enough to burst a rubber "fuel" line that
was used in place of what should have been hyd. line. They look the same,
so read the printing on your installation kit hyd. line and make sure it is
hyd line not fuel. The packing employee at MAM apparently did not know the
difference.
Bruce G
but the -----Original Message-----
From: "Wayne G. O'Shea" <
oifa@irishfield.on.ca>
Sent: May 5, 2006 12:24 PM
To:
rebel-builders@dcsol.com
Subject: Re: [rebel-builders] 1800 amphibs
Bruce...FOKM had a pump like that in it that weeped around one of the
mounting bolts on the base. Turned out when I pulled the bolt out I had a
gyser!! When they tapped the fitting threads for the pressure line then
cracked thru into the mounting hole...so the bolt kept the pressure in the
system and when I removed it major leak. Swapped in a new pump so Garry
doesn't have that problem. The newer pumps have a larger base to get away
from the fitting holes...so suspect this isn't your problem.
I have absolutely no leak/bleed down issues with my pre-builts bought out
of
the same batch as Bruce's. As a matter of fact I have to make sure that
when
I park the airplane at the dock that I select gear down and pump them part
way...then select gear up and leave it. The pressure increases from
sun/heat
will actually retract the gear!
DREW....I was in error. The cylinders are still all threaded the same for
the clevis...it was the way MAM now cuts the threads that I don't like.
After the thread they now "neck" it before the rod making a weak spot where
the old way got blended to the rod. All cylinders appear to be the same
length within 1/8" and clevis threads are the same. I was comparing an old
set of cylinders from a 1995 kit to current day 2005 kit. Get Nancy to get
one on the way to you....the water is getting warmer every day!!
Wayne
----- Original Message -----
From: "Bruce Georgen" <
bgeorgen@peoplepc.com>
To: <
rebel-builders@dcsol.com>
Sent: Friday, May 05, 2006 11:34 AM
Subject: Re: [rebel-builders] 1800 amphibs
Drew,
Did you buy your 1800 amphibs pre-assembled from MAM when they had their
sale a few years ago? Both nose gear cyl. leaked through the push rod at
the
front cyl. cap on mine. Brian sent me rebuild kits. The kit had new front
cap assemble with two "o" rings, not the one "o" ring (old model cyl.?)
that
came with the original floats. Once I replaced these I had no more leaks
and
pressure held.
I still have some weeping from the hand pump cyl. in the cabin but this
is
miner and I just keep a small rag rapped around the base of the pump to
pick
up the fluid. I have to replace the rag once or twice a year. I haven't
disassembled the pump. Pressure doesn't seem to be affected from it.
Bruce G
-----Original Message-----
holding
hydraulic pressure since new. I finally got around to isolating the
cylinders and have identified the one that's leaking internally. I took
it
apart and replaced the o-rings but that made no difference. Is it
possible
that it's leaking at the joint between the piston and the rod? Does
anyone
know how are these two parts joined? The only other thing that's not
quite
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