europa-list
[Top] [All Lists]

Europa-List: pitch torque tube attachments

Subject: Europa-List: pitch torque tube attachments
From: Rowland & Wilma Carson <rowil@clara.net>
Date: Fri, 10 Oct 2008 21:12:51

Well, here it is Friday afternoon, Europa factory tech support has 
knocked off for the weekend and so naturally I have a tech query!

I'm about the set up the CS10 transverse pitch torque tube to get the 
CS09 mountings in the right place. I have assembled the pitch 
pushrods CS11 to the trunnions on the CS10 but I am puzzled by the 
fastener callouts.

Using the combination of washers in the manual (AN960-516L each side 
of rod-end bearing) means that there is slight gap between the 
bearing and the trunnions and so the trunnions would be pulled 
together slightly when the nut is tightened.

On the starboard trunnion, either changing to AN960-516 each side, or 
using 2 off AN960-516L each side would remove the gap. (Adding that 
extra thickness in the washer stack means that the AN960-516 under 
the bolt head has to be removed in order to get shank rather than 
thread in the other trunnion hole.)

The centre and port trunnions need one AN960-516 (or 2 off 
AN960-516L) plus one AN960-516L for nil gap.

Did anyone else find that the CS10 trunnions were too far apart for 
the specifed washer stack? Is my CS10 an odd one? Or is it maybe 
right that the trunnions should be permanently stressed by being 
pulled together?

If no-one can suggest why not, I intend to use enough washers to 
allow the nut to be done up without causing any bending stress in the 
trunnions.

regards

Rowland
-- 
| Rowland Carson  LAA #16532    http://home.clara.net/rowil/aviation/
| 1130 hours building Europa #435 G-ROWI  e-mail <rowil@clara.net>



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