Today's Message Index:
----------------------
1. 04:40 AM - Re: Vacuum pump leaking (KARL HEINDL)
2. 08:56 AM - Proper height for baggage floor board (TELEDYNMCS@aol.com)
3. 11:29 AM - Re: Proper height for baggage floor board (DvdPar@aol.com)
4. 04:22 PM - Static when refueling? (Graham Singleton)
5. 06:43 PM - Re: Static when refueling? (Peter Zutrauen)
6. 07:52 PM - Re: Static when refueling? (Fergus Kyle)
7. 08:30 PM - Ampreg 22 (Tony Renshaw)
Message 1
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Subject: | Re: Vacuum pump leaking |
--> Europa-List message posted by: "KARL HEINDL" <kheindl@msn.com>
do not archive
Dave,
Many thanks for your reply, it gives me hope. I was afraid I might have to
dismantle the gearbox.
I'll find out from Europa how to do it, I believe it requires special tools.
Cheers, Karl
>From: DJA727@aol.com
>Reply-To: europa-list@matronics.com
>To: europa-list@matronics.com
>Subject: Re: Europa-List: Vacuum pump leaking
>Date: Sun, 11 May 2003 00:07:14 EDT
>
>--> Europa-List message posted by: DJA727@aol.com
>
>In a message dated 5/8/2003 2:16:55 PM Pacific Standard Time,
>kheindl@msn.com
>writes:
>
> >
> > I noticed a small amount of oil leaking from the Rapco vacuum pump (on
> > 912S). It is coming out of
> > the openings at the side, and also from the metal to metal seal between
>it
> > and the gearbox. The pump
> > was installed a long time ago and the engine hasn't flown yet. Have only
> > done warmups and midrange
> > rpm. I didn't think there would be any oil going to the external drive.
> > Does
> > it indicate something more
> > sinister, like a broken seal in the gearbox ?
> >
> >
>
>I had the same problem after the first few flights - I had to replace the
>oil
>seal at the vacuum pump drive. It could be replaced without removing the
>cover to the gear box.
>
>Dave
>A227
>Mini U2
>
>
Overloaded with spam? With MSN 8, you can filter it out
Message 2
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Subject: | Proper height for baggage floor board |
--> Europa-List message posted by: TELEDYNMCS@aol.com
Greetings all,
I've been working on my main gear which has spurred thought about the baggage
floor board bulkhead and the height at which it's mounted. The manual is
vague in this department and I can detect no trim lines on the rear bulkhead
of the cockpit module for reference, although there is one on the front of
the baggage bulkhead where it bonds to the CM. I'd like to give as much
height to the area as I can since my Lab Myrtle is likely going to ride back
there. Besides the battery, the pitch pushrod, and the upper part of the
bulkhead where it contacts the top are there any other considerations
regarding the height of the baggage bay floor?
Regards,
John Lawton
Dunlap, TN
A-245 Leaning towards Jabiru for power.......
Message 3
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Subject: | Re: Proper height for baggage floor board |
--> Europa-List message posted by: DvdPar@aol.com
Just doing mine and fitted it temporarily to find dimensions of ply supports
and while in place marked my own reference lines with marker pen for rubbing
down before fitting finally. Rear of baggage bay clears pitch push rod by
3/4" at nearest point but is well supported by ply supports.
Regards Dave Park
Message 4
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Subject: | Static when refueling? |
--> Europa-List message posted by: Graham Singleton <graham@gflight.f9.co.uk>
At 23:56 09/05/2003 -0700, you wrote:
>Static when refueling?
> As long as both are at
>the same potiential (voltage wise) then there will be no current flowing
>between them. The obvious way is to ground the truck to earth and ground
>the aircraft fuel system to earth ground. That keeps all partys in this
>equation equal.
I think that the problem may well be static charge generated when fuel
flows through a non conducting pipe. First it flows down the PE filler
moulding, then the moulded rubber section, (that may? conduct a little)
then into the insulated tank. At the same time it starts to flow up the
breather tube, usually also non conducting, first as vapour, then
splashing, often onto the fuselage top of Classics, air flow through the
1/4" tube has to be fast, finally as liquid. In the standard installation
the breather is not very far away from the filler, particularly in the
Classic. One Classic I know of caught fire from a static spark, right at
the end of the refuelling from a metal can. It was a hot dry day.
I would recommend that the breather pipe should be solid aluminium, 3/8"
dia. not 1/4 and that it, the filler cap assembly and the funnel or other
apparatus used to refuel should be kept grounded together. Paul McAllister
has a picture of the breather we developed on his web site I believe. This
diverts splashes back into the tank filler.
Graham
---
Message 5
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Subject: | Static when refueling? |
--> Europa-List message posted by: "Peter Zutrauen" <peterz@zutrasoft.com>
I plan also on putting a metal braid down the filler opening into the
tank and connecting to Graham's aluminum tank outlet fitting. I plan on
Alum pipe runs which will ultimately be grounded to the engine ground. A
ground clip on the exhaust pipe when filling at the local FBO during
refueling should then be quite effective.
Cheers,
Pete
A239
-----Original Message-----
From: Graham Singleton [mailto:graham@gflight.f9.co.uk]
Subject: Europa-List: Static when refueling?
--> Europa-List message posted by: Graham Singleton
<graham@gflight.f9.co.uk>
At 23:56 09/05/2003 -0700, you wrote:
>Static when refueling?
> As long as both are at
>the same potiential (voltage wise) then there will be no current
flowing
>between them. The obvious way is to ground the truck to earth and
ground
>the aircraft fuel system to earth ground. That keeps all partys in
this
>equation equal.
I think that the problem may well be static charge generated when fuel
flows through a non conducting pipe. First it flows down the PE filler
moulding, then the moulded rubber section, (that may? conduct a little)
then into the insulated tank. At the same time it starts to flow up the
breather tube, usually also non conducting, first as vapour, then
splashing, often onto the fuselage top of Classics, air flow through the
1/4" tube has to be fast, finally as liquid. In the standard
installation
the breather is not very far away from the filler, particularly in the
Classic. One Classic I know of caught fire from a static spark, right at
the end of the refuelling from a metal can. It was a hot dry day.
I would recommend that the breather pipe should be solid aluminium, 3/8"
dia. not 1/4 and that it, the filler cap assembly and the funnel or
other
apparatus used to refuel should be kept grounded together. Paul
McAllister
has a picture of the breather we developed on his web site I believe.
This
diverts splashes back into the tank filler.
Graham
---
Message 6
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Subject: | Re: Static when refueling? |
--> Europa-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca>
Hello,
I get the distinct impression that (a) some of this static is due
to refuelling right after a flight, when the aircraft has stirred itself thru
the ether and built up a charge, (b) that the engine is still warm and the
wind on the nose is wafting tepid breezes past fuel vents and inetrnal features,
(c) that the main culprit is many times more effective from a plastic container
than a metal one and (d) if a spark from grounding wires is to be tolerated
it should be upwind of any fumes, like the exhaust stack.
cheers, Ferg
Message 7
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--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@ozemail.com.au>
Calling David Cripps,
I am wondering if you have received any of my e-mails concerning Ampreg 22
in my Europa build? Anyone knowing how I can get in touch with him via
private e-mail, I'd appreciate it.
Reg
Tony Renshaw
Sydney Australia
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