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RE: Europa-List: Re: tp9/tp10 retention

Subject: RE: Europa-List: Re: tp9/tp10 retention
From: Pete Lawless <pete@lawless.info>
Date: Tue, 1 Mar 2011 17:27:30

Phil

You could always put the battery in the original position under the cowling
on top of the foot well.  That would save you a great length of thick copper
cable.

Pete

-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of flyingphil2
Sent: 01 March 2011 16:56
Subject: Europa-List: Re: tp9/tp10 retention


Hi Rowland,

With regards to the new re-designed torque tube then I have one of these.
As Roger put it to me, the new torque tube no longer has any torque.

Basically the whole design has been beefed up and there are now only 2 pins
involved, not 4, see attached photo.

My main concern when I received this was the weight increase.  My numbers
are below:

Old Tube: 

TP4  -  1350g
2 x TP5 & TP6  -  270g
TP9  -  200g
2 x TP12  -  800g
Total  =  2.620kg or 5.776lb

New Tube:

TP4  -  1330g
2 x TP5 & TP6  -  330g
TP9  -  1250g
2 x TP12  -  1060g
Total  =  3.970kg or 8.752lb  -  52% above original.

NB.  (Pat Tunney's clamps would add 0.4kg bringing an original assembly to
3.0kg).

My mind was originally put at rest when I was told that monos (or
conventional taildraggers as my aircraft is likely to be) like having an aft
c of g and so this additional weight at the back would be ok.  I tried not
to think about it too much and decided it would be ok ......

Hope that helps.

Regards,

Phil


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=332375#332375


Attachments: 

http://forums.matronics.com//files/torque_tube_2_109.jpg


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