europa-list
[Top] [All Lists]

Re: Europa-List: Re. mono gear collapse - One way to make the lever stif

Subject: Re: Europa-List: Re. mono gear collapse - One way to make the lever stiffer
From: Stephan Cassel <stephan@scassel.se>
Date: Sat, 3 Mar 2007 06:53:05
Date: Sun, 4 Mar 2007 12:18:38 +0100

Hi 

I think both David and Graham have made the right conclusions.

The key thing is to make the gear lever as stiff as possible and no play
when it is in gear-down locked position.

One way to make the lever much stronger is NOT to bend the lever as per
manual. Keep it straight. 
Moment may twist the lever, not much but enough to introduce a small
play when forces in not in one plan. 
The optional strut will help but the strut is quite week. And Dural gets
much softer when you try to bend it.

The trick is to mount the lever on the other side of LG08S and use one
counter sink bolt and file the edge of the lever slightly, see link
below

http://scassel.se/europa/cap4/images/DSCN1129.JPG (The smallest distance
between lever and the landing gear frame will be about 2 mm)

The lever will then go throw the tunnel exactly as per manual.

http://scassel.se/europa/cap4/images/DSCN1130.JPG

And, as David Joyce said, the joint between lever and LG08S must be
solid as rock. Sanded contact surfaces and Araldite 420 make that
possible.


Regards Stephan

LN -STE. Permit to fly. 
First flight when weather permits and then Pete Jeffers will kindly take
here up for the virgin flight. 



<Prev in Thread] Current Thread [Next in Thread>