Europa-List Digest Archive

Thu 08/21/03


Total Messages Posted: 15



Today's Message Index:
----------------------
 
     1. 01:40 AM - Trim Tab Slot Height dilemna?? (Graham Singleton)
     2. 01:52 AM - Resin Pump (G-IANI)
     3. 03:55 AM - Re: Resin Pump ()
     4. 06:33 AM - Re: Resin Pump (G-IANI)
     5. 08:59 AM - Re: Trike Nose Wheel Tyre and tube. (Rob Housman)
     6. 11:43 AM - Fuel System Sealer (DuaneFamly@aol.com)
     7. 12:37 PM - Re: Trike Nose Wheel Tyre and tube. (Ami McFadyean)
     8. 12:51 PM - Re: Monowheel Brake fluid? (Europa Aircraft)
     9. 02:21 PM - Re: Fuel System Sealer (Kevin Klinefelter)
    10. 03:39 PM - Re: Monowheel Brake fluid? (James Nelson)
    11. 03:39 PM - Re: Wing Root Fairings (James Nelson)
    12. 04:17 PM - Re: Resin Pump ()
    13. 05:51 PM - Re: Fuel System Sealer (Cy Galley)
    14. 09:10 PM - Additional thoughts on wing root fairings (Fred R. Klein)
    15. 11:21 PM - Re: Additional thoughts on wing root fairings (Michael Parkin)
 
 
 


Message 1


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    Time: 01:40:36 AM PST US
    From: Graham Singleton <graham@gflight.f9.co.uk>
    Subject: Trim Tab Slot Height dilemna??
    --> Europa-List message posted by: Graham Singleton <graham@gflight.f9.co.uk> At 23:56 20/08/2003 -0700, you wrote: >--> Europa-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca> > >Tony et al: >I had a quick look in passing, and guess my slots stop about 1/2" below the > joggle - and I have 13deg of travel. I can send all my calcs for this > exercise as I mathed the travel angles through from the trim motor. > Ferg There's one other thing to watch out for, at least on early Classics; with the elevator in full up position and the trim at full nose up, check that the Tee bar doesn't strike the end of its own bellcrank. I think this was caused by the Mac servo being a bit low and may have been corrected later in the plans? Graham ---


    Message 2


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    Time: 01:52:31 AM PST US
    From: "G-IANI" <g-iani@ntlworld.com>
    Subject: Resin Pump
    --> Europa-List message posted by: "G-IANI" <g-iani@ntlworld.com> FOR SALE Michael Engineering Sticky-stuff-Dispenser (the one Europa supplies). New 2000, Very good condition, very low mileage - one Europa, One owner, Reason for sale - its work is (thank goodness) done. Offers invited Ian Rickard #505 G-IANI 37 Willowmead Close, Woking, Surrey, GU21 3DN, UK Tel 01483 714096 e-mail g-iani@ntlworld.com


    Message 3


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    Time: 03:55:23 AM PST US
    From: <europa@nimbus.geog.ox.ac.uk>
    Subject: Re: Resin Pump
    --> Europa-List message posted by: <europa@nimbus.geog.ox.ac.uk> G-IANI wrote: > --> Europa-List message posted by: "G-IANI" <g-iani@ntlworld.com> > > FOR SALE > > Michael Engineering Sticky-stuff-Dispenser (the one Europa supplies). > New 2000, Very good condition, very low mileage - one Europa, One > owner, Reason for sale - its work is (thank goodness) done. > > Offers invited How about 150? I'm based near Oxford. Cheers, Mark.


    Message 4


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    Time: 06:33:24 AM PST US
    From: "G-IANI" <g-iani@ntlworld.com>
    Subject: Resin Pump
    --> Europa-List message posted by: "G-IANI" <g-iani@ntlworld.com> I must be in the wrong business. Second hand Resin pumps are obviously a very hot property. Sorry but it was gone inside 20 minutes. Ian Rickard #505 G-IANI e-mail g-iani@ntlworld.com -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of europa@nimbus.geog.ox.ac.uk Subject: Re: Europa-List: Resin Pump --> Europa-List message posted by: <europa@nimbus.geog.ox.ac.uk> G-IANI wrote: > --> Europa-List message posted by: "G-IANI" <g-iani@ntlworld.com> > > FOR SALE > > Michael Engineering Sticky-stuff-Dispenser (the one Europa supplies). > New 2000, Very good condition, very low mileage - one Europa, One > owner, Reason for sale - its work is (thank goodness) done. > > Offers invited How about 150? I'm based near Oxford. Cheers, Mark.


    Message 5


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    Time: 08:59:29 AM PST US
    From: "Rob Housman" <RobH@hyperion-ef.com>
    Subject: Trike Nose Wheel Tyre and tube.
    --> Europa-List message posted by: "Rob Housman" <RobH@hyperion-ef.com> Perhaps your observation about the tube being a bit too big is the reason that I managed to mangle mine the first time I did the assembly (or perhaps I'm looking for an excuse for my clumsiness). Your query got me digging into my Aircraft Spruce catalog which confirmed the source of my confusion. Although the catalog lists "Tires & Tubes" with a description that mentions both Goodyear and Shin in the same sentence, upon a closer reading it appears that only Shin are available in the 11.400-5 size. Before preparing this reply I checked both the Goodyear and Michelin web sites and could find this size on neither (and I looked for industrial and golf cart sizes too), so I guess we're stuck with Shin. Or Sears - read on. When I needed the replacement for the damaged tube I researched the tire size and found that (as mentioned in the Aircraft Spruce catalog) this is not an aircraft tire size, and I further discovered that it is available from Sears for their Craftsman riding lawn mowers and lawn tractors. When I mentioned this many months ago on this forum it prompted an immediate response from the factory, so I'll note now that the main gear do indeed use real aircraft tires (and it is those sizes that are much more expensive than the Michelins on my car.) Best regards, Rob Housman Europa XS Tri-Gear A070 Airframe complete Irvine, CA -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of R.C.Harrison Subject: RE: Europa-List: Trike Nose Wheel Tyre and tube. --> Europa-List message posted by: "R.C.Harrison" <ptag.dev@ukonline.co.uk> Hi! Rob. Are you saying that you can actually get a Goodyear tube that fits the nose wheel? If this is so please provide details and source? I'd prefer to change mine since I'm convinced that the original tube I have is too large when fitted correctly , on inflation the slight oversize of tube material has to go somewhere resulting in small folds in the walls which flex and self wear. The UK supplier agrees that there seems to be a problem ,having done a trial assembly , but says there is no other source. BTW out of interest to other "listers" my a/c although it has never flown with the mono system was constructed to take either/or system of main gear. Regards Bob Harrison G-PTAG -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of Rob Housman Subject: RE: Europa-List: Trike Nose Wheel Tyre and tube. --> Europa-List message posted by: "Rob Housman" <RobH@hyperion-ef.com> I must have been thinking of the inner tube I bought when I chopped the first one full of holes the first time I joined the two halves of the nose wheel. When I found out that a Goodyear TUBE would have cost me almost as much as a new Michelin TIRE for my car, I bought the cheap stuff. Fortunately I learned how to mount the wheel without damaging the tube. Best regards, Rob Housman Europa XS Tri-Gear A070 Airframe complete Irvine, CA -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of Ami McFadyean Subject: Re: Europa-List: Trike Nose Wheel Tyre and tube. --> Europa-List message posted by: "Ami McFadyean" <ami@mcfadyean.freeserve.co.uk> These ones have 'Made in Taiwan' molded in. Or am I missing your point? Duncan McF. ----- Original Message ----- From: "Rob Housman" <RobH@hyperion-ef.com> Subject: RE: Europa-List: Trike Nose Wheel Tyre and tube. > --> Europa-List message posted by: "Rob Housman" <RobH@hyperion-ef.com> > > Don't malign the Taiwanese. Those el-cheapos come from the Peoples Republic > of China. > > > Best regards, > > Rob Housman > Europa XS Tri-Gear A070 > Airframe complete > Irvine, CA > > -----Original Message----- > From: owner-europa-list-server@matronics.com > [mailto:owner-europa-list-server@matronics.com]On Behalf Of Ami McFadyean > To: europa-list@matronics.com > Subject: Re: Europa-List: Trike Nose Wheel Tyre and tube. > > --> Europa-List message posted by: "Ami McFadyean" > <ami@mcfadyean.freeserve.co.uk> > > I've had that problem (three times in a 500x5 wheels), but it wasn't a fold > in the tube nor obvious fretting. Probable cause was cheap, thin-walled > Taiwanese tubes made of a not-very-recognisable type of rubber. Does rubber > fatigue-fail? I was also running at nominally 25 psi, but down to 20 psi. > > > Duncan McF. > > ----- Original Message ----- > From: "R.C.Harrison" <ptag.dev@ukonline.co.uk> > To: "Europa Matronic Circuit" <europa-list@matronics.com> > Subject: Europa-List: Trike Nose Wheel Tyre and tube. > > > > --> Europa-List message posted by: "R.C.Harrison" > <ptag.dev@ukonline.co.uk> > > > > Hi! All. > > Would all concerned advise me of any incidents of nose wheel puncture that > > didn't show damage within the tyre wall? ie:- if an item had penetrated > the > > rolling diameter or wall I don't want to know. But if the tube showed > signs > > of self fretting on a fold or pinch let me know because I'm looking at > > statistics of the fact. > > > > Regards > > Bob Harrison G-PTAG > > > > > >


    Message 6


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    Time: 11:43:09 AM PST US
    From: DuaneFamly@aol.com
    Subject: Fuel System Sealer
    --> Europa-List message posted by: DuaneFamly@aol.com Hello All, When looking at builders websites, I have noticed the use of some sort of thread sealer when assembling the pipe threads of fittings, valves, and fuel pumps under the cockpit module. With all the additives they are using in gasoline these days, what are people in the US using? Particularly, California? Hopefully in ACS. Mike Duane A207 Redding, California XS Trigear


    Message 7


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    Time: 12:37:37 PM PST US
    From: "Ami McFadyean" <ami@mcfadyean.freeserve.co.uk>
    Subject: Re: Trike Nose Wheel Tyre and tube.
    --> Europa-List message posted by: "Ami McFadyean" <ami@mcfadyean.freeserve.co.uk> It was the inner tube I was referring to. I've learnt my lesson; the proper tubes may be hideously expensive, but they're less hassle in the longer term. What price a puncture that takes (if everything goes well) an afternoon to fix? Duncan McF. ----- Original Message ----- From: "Rob Housman" <RobH@hyperion-ef.com> Subject: RE: Europa-List: Trike Nose Wheel Tyre and tube. > --> Europa-List message posted by: "Rob Housman" <RobH@hyperion-ef.com> > > I must have been thinking of the inner tube I bought when I chopped the > first one full of holes the first time I joined the two halves of the nose > wheel. When I found out that a Goodyear TUBE would have cost me almost as > much as a new Michelin TIRE for my car, I bought the cheap stuff. > Fortunately I learned how to mount the wheel without damaging the tube. > > > Best regards, > > Rob Housman > Europa XS Tri-Gear A070 > Airframe complete > Irvine, CA > > -----Original Message----- > From: owner-europa-list-server@matronics.com > [mailto:owner-europa-list-server@matronics.com]On Behalf Of Ami McFadyean > To: europa-list@matronics.com > Subject: Re: Europa-List: Trike Nose Wheel Tyre and tube. > > --> Europa-List message posted by: "Ami McFadyean" > <ami@mcfadyean.freeserve.co.uk> > > These ones have 'Made in Taiwan' molded in. Or am I missing your point? > > Duncan McF. > ----- Original Message ----- > From: "Rob Housman" <RobH@hyperion-ef.com> > To: <europa-list@matronics.com> > Subject: RE: Europa-List: Trike Nose Wheel Tyre and tube. > > > > --> Europa-List message posted by: "Rob Housman" <RobH@hyperion-ef.com> > > > > Don't malign the Taiwanese. Those el-cheapos come from the Peoples > Republic > > of China. > > > > > > Best regards, > > > > Rob Housman > > Europa XS Tri-Gear A070 > > Airframe complete > > Irvine, CA > > > > -----Original Message----- > > From: owner-europa-list-server@matronics.com > > [mailto:owner-europa-list-server@matronics.com]On Behalf Of Ami McFadyean > > To: europa-list@matronics.com > > Subject: Re: Europa-List: Trike Nose Wheel Tyre and tube. > > > > --> Europa-List message posted by: "Ami McFadyean" > > <ami@mcfadyean.freeserve.co.uk> > > > > I've had that problem (three times in a 500x5 wheels), but it wasn't a > fold > > in the tube nor obvious fretting. Probable cause was cheap, thin-walled > > Taiwanese tubes made of a not-very-recognisable type of rubber. Does > rubber > > fatigue-fail? I was also running at nominally 25 psi, but down to 20 psi. > > > > > > Duncan McF. > > > > ----- Original Message ----- > > From: "R.C.Harrison" <ptag.dev@ukonline.co.uk> > > To: "Europa Matronic Circuit" <europa-list@matronics.com> > > Subject: Europa-List: Trike Nose Wheel Tyre and tube. > > > > > > > --> Europa-List message posted by: "R.C.Harrison" > > <ptag.dev@ukonline.co.uk> > > > > > > Hi! All. > > > Would all concerned advise me of any incidents of nose wheel puncture > that > > > didn't show damage within the tyre wall? ie:- if an item had penetrated > > the > > > rolling diameter or wall I don't want to know. But if the tube showed > > signs > > > of self fretting on a fold or pinch let me know because I'm looking at > > > statistics of the fact. > > > > > > Regards > > > Bob Harrison G-PTAG > > > > > > > > > > > >


    Message 8


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    Time: 12:51:53 PM PST US
    From: "Europa Aircraft" <europa@gate.net>
    Subject: Monowheel Brake fluid?
    --> Europa-List message posted by: "Europa Aircraft" <europa@gate.net> Yes, dot 5 can be used. Any dot 3, or 4 must be flushed with dot 5 first. John Hurst Europa Aircraft Lakeland, FL -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of Ronald J. Parigoris Subject: Europa-List: Monowheel Brake fluid? --> Europa-List message posted by: "Ronald J. Parigoris" <rparigor@suffolk.lib.ny.us> Can Dot 5 Silicon Brake fluid be used in an Europa Monowheel? Ron Parigoris


    Message 9


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    Time: 02:21:59 PM PST US
    From: "Kevin Klinefelter" <kevann@gte.net>
    Subject: Fuel System Sealer
    --> Europa-List message posted by: "Kevin Klinefelter" <kevann@gte.net> I read an article in the EAA mag that said on pipe threads to use Locktite PST (pipe sealant with Teflon). That is what I have done. The author recommended not using Teflon tape. Kevin -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com]On Behalf Of DuaneFamly@aol.com Subject: Europa-List: Fuel System Sealer --> Europa-List message posted by: DuaneFamly@aol.com Hello All, When looking at builders websites, I have noticed the use of some sort of thread sealer when assembling the pipe threads of fittings, valves, and fuel pumps under the cockpit module. With all the additives they are using in gasoline these days, what are people in the US using? Particularly, California? Hopefully in ACS. Mike Duane A207 Redding, California XS Trigear


    Message 10


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    Time: 03:39:15 PM PST US
    Subject: Re: Monowheel Brake fluid?
    From: James Nelson <europajim@juno.com>
    --> Europa-List message posted by: James Nelson <europajim@juno.com> Silicone is prefered as moisture is a no-no. Jim Nelson N15JN On Wed, 20 Aug 2003 18:33:53 -0400 "Ronald J. Parigoris" <rparigor@suffolk.lib.ny.us> writes: > --> Europa-List message posted by: "Ronald J. Parigoris" > <rparigor@suffolk.lib.ny.us> > > Can Dot 5 Silicon Brake fluid be used in an Europa Monowheel? > > Ron Parigoris > > > > > > > > > >


    Message 11


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    Time: 03:39:15 PM PST US
    Subject: Re: Wing Root Fairings
    From: James Nelson <europajim@juno.com>
    --> Europa-List message posted by: James Nelson <europajim@juno.com> Jim & Heather, They all have problems, use Polyfibers SuperFil to get things in order. Try to keep the fuselage straight or at least gentle curves. My fairings do vary a bit but when placed together with the wings and white vinal (electricians tape) tape to cover the gap which needs to be there, it all looks good. The gap must be covered to minimise the enormous drag created by the gap between the wing fairing and the fuselage. Jim Nelson N15JN On Wed, 20 Aug 2003 20:16:45 -0400 "Jim Butcher" <europa@triton.net> writes: > --> Europa-List message posted by: "Jim Butcher" <europa@triton.net> > > Trying to install the factory fairings on XS wing. I find the > fairings don't fit very well - almost like the radius of the curve > is too great which leaves a large (10mm) gap between the fairing and > the fuselage. Has anyone got a solution or good way to fit these? > > Thanks > > Jim & Heather A185 > > > > > > > > > >


    Message 12


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    Time: 04:17:50 PM PST US
    From: <europa@nimbus.geog.ox.ac.uk>
    Subject: Re: Resin Pump
    --> Europa-List message posted by: <europa@nimbus.geog.ox.ac.uk> > I must be in the wrong business. Second hand Resin pumps are obviously a > very hot property. Sorry but it was gone inside 20 minutes. That's a shame.. Thanks for the reply anyway. Cheers, Mark.


    Message 13


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    Time: 05:51:04 PM PST US
    From: "Cy Galley" <cgalley@qcbc.org>
    Subject: Re: Fuel System Sealer
    --> Europa-List message posted by: "Cy Galley" <cgalley@qcbc.org> NEVER use Teflon tape. Ordinary pipe dope with Teflon powder is ok. Loctite PST is one of the very best. Cy Galley, TC - Chair, Emergency Aircraft Repair, Oshkosh Editor, EAA Safety Programs cgalley@qcbc.org or experimenter@eaa.org Always looking for articles for the Experimenter ----- Original Message ----- From: <DuaneFamly@aol.com> Subject: Europa-List: Fuel System Sealer > --> Europa-List message posted by: DuaneFamly@aol.com > > Hello All, > > When looking at builders websites, I have noticed the use of some sort of > thread sealer when assembling the pipe threads of fittings, valves, and fuel > pumps under the cockpit module. With all the additives they are using in gasoline > these days, what are people in the US using? Particularly, California? > Hopefully in ACS. > > Mike Duane A207 > Redding, California > XS Trigear > >


    Message 14


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    Time: 09:10:54 PM PST US
    Subject: Additional thoughts on wing root fairings
    From: "Fred R. Klein" <fklein@orcasonline.com>
    --> Europa-List message posted by: "Fred R. Klein" <fklein@orcasonline.com> Gentlepeople, After seeing the recent postings on problems of fitting the wing root fairings...and after checking the archives for additional and broader discussion...I would like to inquire as to whether or not anyone has attempted to deal with the issue of interference drag between the fuselage and the wing of our proud bird beyond installation of the kit-supplied fairings. (?) Our little fairings...even when massaged to make a clean fit...leave me envious of the sweeping curves of the wing fillet/fairings which are showing up in some of the new glass ships such as the Cirrus 20; to me they are reminiscent of those on the Staggerwing and the Spitfire, and if memory serves, the potential for significant drag reduction is there if one were to pay attention to the airflow around this critical intersection. Given that one of the fundemental rationales behind the design of the Europa is a low drag, sooo-smoothe, airframe lifted by a very sophisticated wing, is this an aspect of the design which deserves more thought? Of course, I recognise that these other ships don't like to have their wings pulled off everyday, and in setting up production for a kitplane, compromises are inevitable in the drive for controlling costs, assuring durability and easy handling. And I understand that such mods would be a no-no in the UK, and that significant expense would be involved in the Company getting certification approval for such a mod. Still, I can't help but believe that cruise speed and fuel economy could be significantly enhanced with the proper aerodynamic transition between fuselage and wing. So I'm thinking about a really big fairing/fillet...I want to see that trailing edge of the wing sweep aft along the fuselage in a quarter of an elipse with a half-major axis of say 30 inches and a half-minor axis of say 24 inches, with a generous curvature between fuselage and wing. My sense is that the technical problems relating to pulling the wings, whether such a fairing be fixed to the fuselage or to the wing, and allowing for full-span flap extension are all solvable. And I'm not an aerodynamicist, and probably know just enough to get myself in real trouble. I seem to recall that interference drag between fuselage and wing primarily builds up aft of the center of lift when there is no gentle transition, but I may be completely off-base. Perhaps fairing the leading edge is just as important...I do not know. What I do know is that I would benefit emmensely if I knew whether or not others have looked into this issue and could learn what...if anything...has come of their enquiries. Hopefully, Fred Klein, A-194


    Message 15


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    Time: 11:21:10 PM PST US
    From: "Michael Parkin" <Mikenjulie.Parkin@btopenworld.com>
    Subject: Re: Additional thoughts on wing root fairings
    --> Europa-List message posted by: "Michael Parkin" <Mikenjulie.Parkin@btopenworld.com> Fred, I am not convinced that the performance could be significantly improved with a change of wing fillet. Having just returned from the EAS Fly-in in Switzerland, travelling along at 130 knots IAS on 18 lts/hr and leaving most spamcans behind in the French dust I am not sure the effort would be worth the final result. The phrase, "If it ain't broke, don't fix it" springs to mind. regards, Mike ----- Original Message ----- From: "Fred R. Klein" <fklein@orcasonline.com> Subject: Europa-List: Additional thoughts on wing root fairings > --> Europa-List message posted by: "Fred R. Klein" <fklein@orcasonline.com> > > Still, I can't help but believe that cruise speed and fuel economy could be > significantly enhanced with the proper aerodynamic transition between > fuselage and wing. So I'm thinking about a really big fairing/fillet...I > want to see that trailing edge of the wing sweep aft along the fuselage in a > quarter of an elipse with a half-major axis of say 30 inches and a > half-minor axis of say 24 inches, with a generous curvature between fuselage and wing. > Hopefully, > > Fred Klein, A-194 > >




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