Europa-List Digest Archive

Sun 05/11/03


Total Messages Posted: 7



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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    Time: 04:40:03 AM PST US
    From: "KARL HEINDL" <kheindl@msn.com>
    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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    Time: 08:56:02 AM PST US
    From: TELEDYNMCS@aol.com
    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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    Time: 11:29:54 AM PST US
    From: DvdPar@aol.com
    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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    Time: 04:22:15 PM PST US
    From: Graham Singleton <graham@gflight.f9.co.uk>
    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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    Time: 06:43:31 PM PST US
    Subject: Static when refueling?
    From: "Peter Zutrauen" <peterz@zutrasoft.com>
    --> 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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    Time: 07:52:52 PM PST US
    From: "Fergus Kyle" <VE3LVO@rac.ca>
    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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    Time: 08:30:50 PM PST US
    From: Tony Renshaw <tonyrenshaw@ozemail.com.au>
    Subject: Ampreg 22
    --> 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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