Correct term for this part ?

[Jemiba]

Currently working on a cutaway, I found in a drawing a linkage between the pushrods for
rudder and for elevators and would like to get to know the correct term for this part,
et si possible en francais

 

[jstar]

In English it is a 'bellcrank', Google translates it as 'coude'.

 

[RanulfC]

I always understood the technical name was "thing-a-ma-jiggie"? :

Randy

 

[jstar]

No, sorry, that's the left-handed one. This is more correctly known as a 'whatzit'.

 

[Jemiba]

Ok, it's a "bell crank", thanks.
But this bell crank is quite a general term and this one somehow mixes control inputs
for the rudder with the elevator and vice versa, as far as I can see. Still yet, I only knew
something like that for V-tails (but here it's for a conventional tail for sure), or for RC-planes,
but there rudder and ailerons were controlled with just one servo.
There probably is a special term, maybe like "control link", or "rudder mixer" or whatever
and that's what I'm looking for.

 

[GeorgeA]

Here's an example of a bell crank distributing wheel loads from the pushrods to a torsion bar (spring), dampers, and a "third spring"/damper for ride height control. (Third and fourth pictures on page.) This basic design is very common in motorsports.

http://www.mulsannescorner.com/AcuraARX-02-3.html

 

[Jemiba]

Problem solved ! Many thanks for your support, it really is a "simple" bell crank ! Should have looked
closer at the top view from the beginning, it's not just one crank, but two working completely independently,
forming just a bearing for the pushrods. So, nothing exotic, just simple mechanics ... and again a wrong
interpretation of a drawing .... :-\

Thanks again to all of you !