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ACRO E-mail Archive Thread: [Acro] Re: Wing wire tension on S1T

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ACRO E-mail Archive Thread: [Acro] Re: Wing wire tension on S1T


Thread: [Acro] Re: Wing wire tension on S1T

Message: [Acro] Re: Wing wire tension on S1T

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From: Phil Sisson <sisson at>

Date: Mon, 29 Apr 2002 00:41:54 UTC


  Hello Rick,

Wow that was quite an adjustment. I wonder what mine are????

I think you will find that 1/2 inch on the trailing edge will not require a half
inch adjustment of the slave struts. It will only be a couple of turns.
Phil Sisson     in Litchfield, IL

SpeedDr at wrote:

>    I checked my flying wires today with the Aviat tensionometer.  They were
> all  325lb., + /- 25lb. with all ailerons in perfect trail. There was no
> aileron trim needed last flight.   I proceeded to adjust them to the
> recommended 700lb tension for 1/4 inch flying wires.  This causes the upper
> aileron trailing edge to be 1/2 inch high out of trail,equally on both sides.
>   I realize that the aileron slave struts will need to be adjusted, but 1/2
> inch seems  to be a large amount of displacement!   Could anyone with rigging
> experience guess what  unknown   twist I have either newly introduced or
> eliminated from my wings?  And what flying quality to expect.  This aircraft
> has never been checked in its 300 hours since new. I suppose everything
> uniformly had sagged.  On my last S2B, the ailerons were sagging  on top, and
> a retension  of flying and landing wires brought them into perfect trail.
> This seems different.  And why is there no rudder trim on a "T"?
>                                       Rick Volker


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