Today's Message Index:
----------------------
1. 05:48 AM - Re: mono vs. trigear (R.C.Harrison)
2. 06:51 AM - Re: mono vs. trigear (STOUT, GARRY V, CSFF2)
3. 01:38 PM - Trike Nose Wheel Tyre and tube. (R.C.Harrison)
4. 02:10 PM - Re: Trike Nose Wheel Tyre and tube. (Ami McFadyean)
5. 04:44 PM - Re: Trike Nose Wheel Tyre and tube. (Rob Housman)
6. 06:43 PM - Toe in and out (Alan Stills)
7. 07:56 PM - Floatplane Mod (Ray M. Knapp)
8. 08:36 PM - Trim Tab Slot Height dilemna?????????? (Tony Renshaw)
9. 10:30 PM - Re: mono vs. trigear (Kingsley Hurst)
Message 1
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| Subject: | mono vs. trigear |
--> Europa-List message posted by: "R.C.Harrison" <ptag.dev@ukonline.co.uk>
Hi! All Trike interested Builders.
Yes, the toe in requirements are very important, but they are set with the
aircraft suspended so the ultimate MTOW dramatically changes the setting .
For my experiences, currently on my 3rd set of tyres in 462 landings mostly
on hard runways, IMHO the setting ought to be reviewed to provide a more
suitable setting say with zero fuel and solo weight fully rigged with the
engine fitted.
I'm not qualified to make statements as to what this should be, but
certainly different to the original scheme of things, although no doubt I
will have some questions as to how accurate mine was set!
It would also not be impossible to have a modification allowing some future
adjustment perhaps. (A system in which the gear leg bolt locating hole could
be slotted with differing inserts to accommodate the securring bolt
providing for a maximum loaded minimum toe in setting)
Obviously such a system would need to clearly be within the safe minimum
range with no fuel and solo set up.
Just for the record, although my a/c was constructed as main gear
"convertible", in spite of the tyre wear problem I can't envisage it ever
been used by me in the mono configuration! Other than should it ever be for
sale it has that facility to a wider "punter" interest!
regards
Bob Harrison G-PTAG
Message 2
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| Subject: | mono vs. trigear |
--> Europa-List message posted by: "STOUT, GARRY V, CSFF2" <garrys@att.com>
Well said Bob. I've inquired of the factory as to possible "fixes" to
the alignment problem, but they haven't come up with anything yet.
Clearly the gear legs must be set with the A/C at average take off
weight. Mine like yours, eats up tires, averaging about 60 hours per
set. The only solution I can see is to buy a new set of gear legs,
which I am loath to do.
Regards,
Garry V. Stout
-----Original Message-----
From: R.C.Harrison [mailto:ptag.dev@ukonline.co.uk]
Hi! All Trike interested Builders.
Yes, the toe in requirements are very important, but they are set with
the
aircraft suspended so the ultimate MTOW dramatically changes the setting
.
For my experiences, currently on my 3rd set of tyres in 462 landings
mostly
on hard runways, IMHO the setting ought to be reviewed to provide a more
suitable setting say with zero fuel and solo weight fully rigged with
the
engine fitted.
I'm not qualified to make statements as to what this should be, but
certainly different to the original scheme of things, although no doubt
I
will have some questions as to how accurate mine was set!
It would also not be impossible to have a modification allowing some
future
adjustment perhaps. (A system in which the gear leg bolt locating hole
could
be slotted with differing inserts to accommodate the securring bolt
providing for a maximum loaded minimum toe in setting)
Obviously such a system would need to clearly be within the safe
minimum
range with no fuel and solo set up.
Just for the record, although my a/c was constructed as main gear
"convertible", in spite of the tyre wear problem I can't envisage it
ever
been used by me in the mono configuration! Other than should it ever be
for
sale it has that facility to a wider "punter" interest!
regards
Bob Harrison G-PTAG
Message 3
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| Subject: | 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 4
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| Subject: | Re: 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>
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 5
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| Subject: | 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
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>
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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--> Europa-List message posted by: "Alan Stills" <astills785@earthlink.net>
To all who already have built the tri gear and are having tire problems...could
one of you measure the difference between the front and back of the tire.(outside
tire to outside tire) I'm almost ready to glass in my axle's and would not
want it to be too far out. I'll call the factory rep and see what he says b-4
I put in.
Al Stills
A095
Message 7
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--> Europa-List message posted by: "Ray M. Knapp" <rmkhomes@charter.net>
Hey all you smart Europa builders -
I've not had time to start my kit yet (XS #196), but recently
spent a week on a remote Canadian lake and yearned for the ability to
once again land on water. My shoot from the hip thoughts:
1. Build the kit with tricyle gear
2. Design floats ala Wipline (or purchase other similar floats
commonly used by light planes)
3. Modify so that in effect you could drive the Europa up onto
the floats, recess the gear into attachment wells, lock in place,
connect water rudder control, and go.
4. Amphib floats would require connection to a gear
extension/retraction cable/rod.
or, could it be done?
5. Leave wheels passing far enough through the floats to serve
as hard surface gear, and attach "wheel pants" to the floats forward of
the gear which could deploy rearward to cover the wheels and fair them
in for water landings.
Of course you'd pay a weight penalty, but only similarly to a
Piper Cub, Cessna etc. which are commonly used in this manner. Use of
the glider wings might enhance operation from water (the reputed STOL
factor) but the company website doesn't seem to publish a slower stall
speed for the glider wings, so just guessing.
I can't be the only one out there who has wished for amphib
ability, but I queried the Forum archives and couldn't find where you
guys have beat this idea to death and demonstrated why the idea is
utterly foolish.
OK, you can beat me up now. Ray Knapp
direct advertising on the Matronics Forums.
Message 8
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| Subject: | Trim Tab Slot Height dilemna?????????? |
--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optusnet.com.au>
Allan, etc.
Steve Dunsmuir and my local guru didn't have to go up into the fuse joining
rebate to get the required 12-13 degrees of movement. Don't cut up into there
until we can find out why others have different geometry!! I think the botom
line is in the trim system as the datums of "centre of rotation" (centre of
torque tube) and trim tab hinge point are fairly rigid datums. Therefore the
ideal slot size from Europa can't be "that wrong". The bulkhead distance aft at
1 1/4" as I recall was also not hard to set up, so the problem must be
elsewhere. Any takers????
Reg
Tony Renshaw
Sydney Australia
P.S. I know that 1 1/4" mightn't be right, but a short walk to the manual will
clarify, and whatever it said is where mine is at.
At 06:42 PM 8/19/2003 -0700, you wrote:
>--> Europa-List message posted by: "Alan Stills" <astills785@earthlink.net>
>
>To all who already have built the tri gear and are having tire
>problems...could one of you measure the difference between the front and
>back of the tire.(outside tire to outside tire) I'm almost ready to glass
>in my axle's and would not want it to be too far out. I'll call the factory
>rep and see what he says b-4 I put in.
>
>Al Stills
>A095
>
>
Message 9
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| Subject: | Re: mono vs. trigear |
--> Europa-List message posted by: "Kingsley Hurst" <hurstkr@growzone.com.au>
Do not archive
Bob Harrison wrote
> Just for the record, although my a/c was constructed as main gear
> "convertible", in spite of the tyre wear problem I can't envisage it ever
> been used by me in the mono configuration!
Go on Bob, be a devil mate, convert to a mono and let me know if you
have any toe in problems !!
Regards
Kingsley Hurst
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