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Re: Europa-List: RunningTemps and Right Roll

Subject: Re: Europa-List: RunningTemps and Right Roll
From: Bryan Allsop <bryan@blackballclub.com>
Date: Mon, 9 Jan 2006 22:02:28

Thanks Tony, At last, I feel fulfilled in life!

Don't worry about the efficiency aspect, it is minimal (if you are not too 
obsessive).

Cheers Bryan
----- Original Message ----- 
From: "Tony Bale" <tony.bale@virgin.net>
Subject: Re: Europa-List: RunningTemps and Right Roll


>
> Bryan Thanks for the comments, interesting autopilot you have !
>
> You are quite correct, when we dial out the wing drop with a trim tab you
> need to apply right rudder (just a touch) and the situation is extremely
> dependant on pilot / passenger ratio.
>
> However all the trim tabs and a touch of rudder decays all the efficiency 
> we
> have tried to obtain !!
>
> ATB
>
> Tony.
>
> ----- Original Message -----
> From: "Bryan Allsop" <bryan@blackballclub.com>
> To: <europa-list@matronics.com>
> Subject: Re: Europa-List: RunningTemps and Right Roll
>
>
> <bryan@blackballclub.com>
>>
>> Hi Tony.
>>
>> My Europa is the same format as yours. You can set it up to be 'hands
> free'
>> in any particular power and weight configuration, but changing power
>> significantly, or carrying a heavy passenger will spoil the hands free
>> state. I have tried a clip-on elevator trim for use with a passenger, and
> it
>> works until I forget it. I installed an adjustable knicker elastic
> restraint
>> on the control stick, and that works, but I don't use it now ( I could
> never
>> get on with that stuff). I find that a bit of rudder pressure sorts the
>> thing out.
>>
>> Regarding the cold running. Again my solution is a bit boring. Blank off
>> half of the over-generous radiator in the winter, and take it out when 
>> the
>> weather turns warmer. I use a bit of right angled coving from a kitchen
> work
>> surface.
>>
>> Enjoy flying.
>>
>> Bryan
>>
>>
>> ----- Original Message -----
>> From: "Tony Bale" <tony.bale@virgin.net>
>> To: <europa-list@matronics.com>
>> Subject: Europa-List: RunningTemps and Right Roll
>>
>>
>> >
>> > Greetings to one and all and a happy new year to you all,
>> >
>> > Our bird G-CCUL (mono XS, 912S, with Warp Drive circa 22 deg) has now
>> > completed something around 100 hours flying and we really only have a
>> > couple of gripes and I would appreciate input from the forum.
>> >
>> > Firstly we have a roll to the right, not bad and the test pilot was
>> > certainly not at all concerned but we want hands off flying and are
>> > fitting various sized trim tabs to the underside of the left aileron to
>> > trim out the effect (having started on the left flap). We believe the
>> > flaps are perhaps not quite level but without adjustment this is 
>> > proving
>> > very difficult to measure. The trials and errors continue, but I wonder
>> > what other pilots are experiencing - your thoughts?
>> >
>> > Secondly, and to be honest this is the real annoying one, we are
> suffering
>> > with very low oil and coolant temperatures. I brought this up some time
>> > ago but had very few responses. As the temperature outside are lower
> now,
>> > we wondered if anyone else has the same problems and what your 
>> > solutions
>> > were.
>> >
>> > We get the coolant and oil up to temperature - 100deg before take-off
> (we
>> > fitted Evans coolant, this increased CHT by circa 10 degrees, and makes
>> > for a very much more stable cooling system than water based, and pretty
>> > much impossible to boil, having boiled the water coolant during a
> lengthy
>> > hold in the summer, I can say that without fear of contradiction it is 
>> > a
>> > very worth while modification) climb out maintains temps but leveling
> out
>> > sees the oil temp drop with a corresponding drop in oil pressure. If we
>> > decend or reduce power below 5000rpm the temps fall away to 60 - 70 
>> > oil,
>> > 70 -80 coolant and are almost impossible to recover in flight. We have
>> > tried blanking off the main inlet, and closing the oil tank inlet.
> Unless
>> > you almost completely blank off the main inlet their is little effect
>> > (this cures cruise but effects ground handling).
>> >
>> > We are investigating a flap behind the radiators which will be operated
>> > from within the cockpit, but obviously nothing is approved so this 
>> > needs
>> > to be attempted with care and thought. During the build we went to 
>> > great
>> > lengths to optimize the air inlets, ramp the air into the rads instead
> of
>> > around etc, and it would appear we have done too good a job !!
>> >
>> > we are fairly sure the guages are in the right ball park and even 
>> > during
>> > the summer we experienced over cooling, with the current temps its an
>> > absolute night mare !! Any thoughts good people ?
>> >
>> > As an aside to all you builders reading the comments about problems,
> don't
>> > despare, our Europa is no doubt like everybody elses, a delight to fly,
>> > handles beautifully and uses next to no fuel. Just take a pragmatic
>> > approach to all the views expressed (IMHO ofcourse).
>> >
>> > Best wishes
>> >
>> > Tony.
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
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