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           ----------------------------------------------------------
                           Europa-List Digest Archive
                                      ---
                     Total Messages Posted Sat 06/23/18: 7
           ----------------------------------------------------------
 
 
Today's Message Index:
----------------------
 
     1. 01:10 AM - Re: First Flight  (BobD)
     2. 03:13 AM - Re: Vista ventilators  (spcialeffects)
     3. 07:46 AM - Re: Vista ventilators  (Phil B)
     4. 11:48 AM - Return of unused fuel to reserve tank  (Europa48)
     5. 06:48 PM - Re: Mtow+  (Bud Yerly)
     6. 08:11 PM - Re: Return of unused fuel to reserve tank  (Bud Yerly)
     7. 08:12 PM - Re: First Flight  (Bud Yerly)
 
 
________________________________  Message 1  _____________________________________


Time: 01:10:42 AM PST US
Subject: Europa-List: Re: First Flight
From: "BobD" <rjd@bobdawson.plus.com>


Congratulations on your first flight. A superb looking machine.

--------
Bob Dawson
Europa XS TG || 912 ULS || G-NHRJ || Dynon Skyview || PilotAware || SmartAss3


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=481130#481130


________________________________  Message 2  _____________________________________


Time: 03:13:34 AM PST US
Subject: Europa-List: Re: Vista ventilators
From: "spcialeffects" <spcialeffects@aol.com>


Hi Phil. Have you considered the ultimate vents? They work very well

Frank Xuereb 
Kit#165


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=481131#481131


________________________________  Message 3  _____________________________________


Time: 07:46:01 AM PST US
Subject: Europa-List: Re: Vista ventilators
From: "Phil B" <daveporthcawl@aol.com>


My post should have read " I would prefer to mount them [the Vista vents]  in the
quarter lights [lower corners of the windscreen] but have been told that the
windshield is a stressed item." Unfortunately the quarter was written as a figure
and did not come through as such on the Matronics list.

--------
Phil B


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=481139#481139


________________________________  Message 4  _____________________________________


Time: 11:48:54 AM PST US
Subject: Europa-List: Return of unused fuel to reserve tank
From: "Europa48" <corinthian@me.com>


Hi

Does anyone know what the normal rate of fuel return is from a Europa Xs main fuel
tank to the reserve is? Is it necessary to use the reserve side first before
switching to the main tank to allow space for unused fuel to be returned, or
does any excess just go to the main tank.

Thanks


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=481148#481148


________________________________  Message 5  _____________________________________


Time: 06:48:56 PM PST US
From: Bud Yerly <budyerly@msn.com>
Subject: RE: Europa-List: Mtow+

Will,
The maximum I have taken off with is 1600 lbs.  Gary Leinberger has also.
I do not recommend normal operations beyond 1450 for anything resembling no
rmal operations.  I have a number of clients that operate at 1450 lbs. take
off weight.
To ferry an aircraft, or one time flight in the best of conditions, conside
r using the following guide lines:

The CG should be narrowed slightly to 59 inches to 62inches above 1450 lbs 
takeoff weight until sure of operations with a further aft CG is verified. 
 .

I flight tested my aircraft and a couple others (including motor gliders) a
t these higher weights and found if balanced about 61-62 inches at takeoff 
weight, the handling is quite acceptable and very comfortable on cross coun
try as the fuel burns off to minimum fuel.  Most Europa aircraft with prope
r Annex E full control throws will fly even at the max aft CG up to 1450 po
unds, Due to loading limits of the baggage bay, I have not been able to loa
d a 1600 pound aircraft to CGs beyond 62 aft...

 Example:  No other aircraft in my chapter could fly the larger linemen on 
the football team, so I did with full fuel.  It was the first time I rotate
d and nothing happened.  But it flew well as I had been there before and wa
s confident in my and my aircrafts ability.   The CG was 59 inches with the
 350 pound pax, 190 pound flight bag, and full 100 pounds of fuel and a 10 
pound flight bag and handling was adequate but the nose was definitely heav
ier than normal but flare out was possible at the higher weights

Remember:  Anything forward of 59 inches at 1450 pounds, it gets a bit too 
nose heavy to enjoy, and keeping the nose wheel off during landing is quite
 difficult for some.

On to some guidelines:
Using simple ratio and proportions one can easily stay within the design st
ress limits of the aircraft.  The gear are good to 1600 pounds on a smooth 
landing as the gear were originally the RV 4 gear designed for a GW of 1500
 lbs. for normal operations.  Our gear socket in the trigear may get wallow
ed out a bit if ops on rough fields is done for many hours but it takes a l
icking.

I use the following G limits for over gross on a placard and in the POH:

STRUCTURAL LIMITS:

+3.8g / -1.9g at 1370 lbs.

Max recommended:

+3.5g / -1.79g at 1450 lbs.

Max overload condition:

+3.25g / -1.6g at 1600 lbs.


The CG Range should be reduced by one inch to 59 max forward, 61.5 to 62 ma
x aft above 1370 pounds unless tested.

Remember the stall speed increases with weight.  By calculation:
Stall Clean / Dirty:            45/49  at 1370
                                                48/52 at 1450
                                                49/56 at 1600
Warning:  The pre-stall characteristics may be significantly reduced as GW 
is increase beyond 1370 and at CGs move near the forward or aft limit.

Handling characteristics should be practiced at higher takeoff and landing 
weights to determine the aircrafts handling characteristics.  Some ideas fo
r takeoff and landing testing at these higher loadings follows:

Takeoff:
Lower flaps to 10 to 15 degrees max for takeoff.   (Trigear) (Reduces that 
old sinking feeling if pulled out of ground effect.)
Rotation speed is higher for the trigear and mono.
Once pitch is set for takeoff with the nose wheel off the pavement (Trigear
), or slight tail down pressure (Mono), do not over-rotate maintain a low p
itch angle.
Takeoff speeds are increased so plan accordingly.
Maintain pitch and allow the aircraft to fly off the runway at a shallow an
gle.
Accelerate in ground effect until 65 Knots and reduce flaps approaching 75 
Knots and climb at a shallow angle until desired climb speed is achieved.
Consider climbing at 80-90Knots for additional cooling.

Landing Pattern:
Increase approach speed to 65 to70 minimum using half to full flaps.

Note:  If using an aux tank in the baggage area, after the fuel is burned o
ff and with minimum fuel in the main tank, the CG may be quite far forward.
  Do a complete analysis of the CG and its shift with fuel loading prior to
 attempting flight outside the original POH guidelines.

Minimum speed on final should not be reduced below 60 until in ground effec
t with a forward CG.

Warning:  If approaching steeply at 55 Knots and at reduced power setting t
he aircraft will develop a significant sink rate that cannot be recovered f
rom at forward CGs, idle power and low airspeeds.

Practice like you are going to fly and you will fly like you practiced.

Regards,
Bud Yerly
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________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of William Daniell <wdaniell.longport@gmail.com>
Sent: Thursday, June 21, 2018 7:46:54 AM
Subject: Europa-List: Mtow+

What is the maximum mtow that anyone has flown with?

I am looking at the trip to usa.

Aircraft without fuel weighs 930.

Co pilot, pilot and 17 gals weigh 470.   My aux tank with pump and 10.5 gal
s weighs 75 lbs will be strapped to the wing tie bar up against the main ta
nk.

So we have 930+545=1485.   Add liferaft 8 lbs and odd and ends and itll b
e a smidgen over 1500.

I have flown with 1400lbs taking off at 8500 so I am sure that itll take of
f.

What the opinion of the group on this?  Anyone have any experience?  Does a
nyone foresee issues?

Will


________________________________  Message 6  _____________________________________


Time: 08:11:24 PM PST US
From: Bud Yerly <budyerly@msn.com>
Subject: RE: Europa-List: Return of unused fuel to reserve tank

The hump in the tank bottom allows the returned fuel to enter the tank rese
rve side and spill over to the main side until the fuel level drops to abou
t 2.5 gallons remaining.  Once the main side of the saddle is exhausted of 
fuel (2.5 gallons remaining), of course the engine quits if the selector is
 on main, so the fairly standard procedure of:

Aux fuel pump ' On

Fuel Selector ' Reserve

Engine ' Restart if not wind milling above 200RPM


This will allow you to have the remaining 2.5 gallons US on the Reserve sid
e of the hump for about 20-30 minutes before total fuel starvation.  Hopefu
lly you never have to be that low on gas.


Keep in mind, if flying in a very high angle side slip will splash fuel fro
m one side of the saddle to the other when fuel level is down to about 4-5 
US gallons remaining.


Please study the cockpit module and fuel tank description in the build manu
al for a clearer picture of the tank shape.


Fuel return is very small at high cruise and normally is about 1-2 gallons 
depending on 912 engine type over a full 2.5 hour flight time.  The 914 ret
urn is quite high at low power and low altitude and lower in full power ope
rations at high boost.


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________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of Europa48 <corinthian@me.com>
Sent: Saturday, June 23, 2018 2:48:20 PM
Subject: Europa-List: Return of unused fuel to reserve tank


Hi

Does anyone know what the normal rate of fuel return is from a Europa Xs ma
in fuel tank to the reserve is? Is it necessary to use the reserve side fir
st before switching to the main tank to allow space for unused fuel to be r
eturned, or does any excess just go to the main tank.

Thanks


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________________________________  Message 7  _____________________________________


Time: 08:12:51 PM PST US
From: Bud Yerly <budyerly@msn.com>
Subject: RE: Europa-List: First Flight

Congrats on a job well done.

Bud Yerly


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________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of spcialeffects <spcialeffects@aol.com>
Sent: Friday, June 22, 2018 11:46:13 AM
Subject: Europa-List: First Flight


It is my pleasure to announce that my aircraft, G-STUE, beat gravity for th
e first time this week with Pete Jeffers at the controls. Im forever indebt
ed to Ivor Phillips for this time, knowledge and tools for helping get to t
his special day


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