Karl=0Ait is desireable that the hinges let go, rather than tearing out hal
f the side of the fuselage.=0AThe force on a door behaving like a wing is c
onsiderable.=0AGraham=0A=0A=0A=0A=0A________________________________=0A Fro
m: Karl Heindl <kheindl@msn.com>=0ATo: "europa-list@matronics.com" <europa-
list@matronics.com> =0ASent: Friday, 4 July 2014, 11:58=0ASubject: RE: Euro
pa-List: Re: DOOR detached during flight=0A =0A=0A=0A =0AJohn,=0A=0ABut is
it not desirable that the hinges fail when the door opens in flight ? Rathe
r than having the door flapping about and doing untold damage ?=0AKarl=0A
=0A=0A=0A> Subject: Europa-List: Re: DOOR detached during flight=0A> From:
john@wighton.net=0A> Date: Fri, 4 Jul 2014 00:26:43 -0700=0A> To: europa-li
<john@wighton.net>=0A> =0A> Can we just get one thing straight - the hinge
did not break. The structure has torn away around the hinge due to a tear
-out failure mode. The force generated by the door flying up means that al
most any airworthy structure would have failed.=0A> =0A> There is nothing w
rong with the hinge design or manufacture. Build to the spec and ensure th
e pins are engaged and the system is 100% reliable.=0A> =0A> Any changes to
this area is deemed to be a mod and would need to be justified by a stress
analysis and design submission to the LAA (in the UK).=0A> =0A> Regards=0A
> JW=0A> =0A> --------=0A> John Wighton=0A> Europa XS trigear G-IPOD=0A>
=0A> =0A> =0A> =0A> Read this topic online here:=0A> =0A> http://forums.mat
ronics.com/viewtopic.php?p=426058#426058=0A> =0A> =0A==0A> =0A> =0A>
===============
|