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europa(at)pstewart.f2s.co
Guest

Posted: Fri Oct 08, 2010 10:44 am Post subject: Test flying

A couple of questions.



1. while at cruise speed the aircraft is neutral in pitch. At low speed

(flaps down) it tends to hold any pitch input (nose up or nose down). Anyone

any thoughts?



2. Does anyone have recognised check lists for a 914 mono?

Regards



Paul 



G-GIDY

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pjeffers(at)talktalk.net
Guest

Posted: Fri Oct 08, 2010 11:10 am Post subject: Test flying

Hi,



I guess the info you provide is a bit limited but may I suggest two areas to

look at. 

1.  Sounds a little as though you have excessive friction in the elevator

circuit.  The elevator control input is very light and any friction in the

circuit could cause hang up.

2.  Flettna strips on the elevators.  Are they fitted?  Are they to the spec

layed down in the build instructions.  Inadequate strips will cause you to

get no pitch change until the control movement gets to a certain point then

you will notice a large effect change all at once. Small trim tab movments

get lost within the boundary layer, hence need for flettnas.



Sorry no help with second question although of course there is a general

check list in the Pilots Flying Manual that should have come with your kit.

Failing that, it is available on the manufacturers web site for down load

under manuals.



Pete Jeffers

Europa Club LAA Inspector



--

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europa(at)pstewart.f2s.co
Guest

Posted: Sat Oct 09, 2010 12:06 am Post subject: Test flying

Thanks Pete. 



We are going through the circuit today looking for any stiffness. There are

flettna strips fitted - fairly sure they were as described but I'll check.



Regards



Paul 

On 8/10/10 20:08, "Peter Jeffers" <pjeffers(at)talktalk.net> wrote:



[quote] 

 

 Hi,

 

 I guess the info you provide is a bit limited but may I suggest two areas to

 look at. 

 1.  Sounds a little as though you have excessive friction in the elevator

 circuit.  The elevator control input is very light and any friction in the

 circuit could cause hang up.

 2.  Flettna strips on the elevators.  Are they fitted?  Are they to the spec

 layed down in the build instructions.  Inadequate strips will cause you to

 get no pitch change until the control movement gets to a certain point then

 you will notice a large effect change all at once. Small trim tab movments

 get lost within the boundary layer, hence need for flettnas.

 

 Sorry no help with second question although of course there is a general

 check list in the Pilots Flying Manual that should have come with your kit.

 Failing that, it is available on the manufacturers web site for down load

 under manuals.

 

 Pete Jeffers

 Europa Club LAA Inspector

 

 

 

 --

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

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