Anyone heard more on the outcome of the 6 mass balance arm prototype
reviews?
Dan
A-139
----- Original Message -----
From: "Tim Weert" <tim.weert@hccnet.nl>
Subject: Re: Europa-List: Mass Balance Arm Cable Attach
>
> Hi Tony,
>
>
> I spoke Andy from Europa 2004. He told me that a (mandatory) modification
> on
> the mass balance arm will be available soon. Europa is testing a few
> prototypes (6) at this moment. After approval of the PFA, the mod will
> become available for all Europa's. In a few weeks we will all know more
> about the approved modificated mass balance arm. There is a good change
> that
> a prototype without cables will be the final solution.
>
>
> If you wait a few weeks, it may safe you a lot time right now.
>
>
> Regards, Tim.
>
>
> Heerhugowaard,
>
> PH-JAI
>
> 460 XS TG 914UL Airmaster
>
>
> ----- Original Message -----
> From: "Tony Renshaw" <tonyrenshaw@optusnet.com.au>
> To: <europa-list@matronics.com>
> Subject: Europa-List: Mass Balance Arm Cable Attach
>
>
>> <tonyrenshaw@optusnet.com.au>
>>
>> Gidday,
>> I am studying my tailplane setup and wondering if it is normal to have
>> the
>> cables that stabilise the mass balance arm wrapped around the white
>> plastic
>> tubes in such a fashion that the looping creates an overlap on the back
>> edge of the plastic sleeve, held in position under tension only by the
>> small protrudence of the pin base? Now I am unsure which way the pins
>> should be, but I have decided that I want the heads of my pins forwards,
>> as
>> I have little holes adjacent in the rear tail bulkhead that will be
>> accessible from another hole in the sternpost, so that I can use a long
>> rod
>> to tap them out again in the future, plus also drive them home from
>> within
>> the tail. This is probably the normal way anyway, to have the heads
>> facing
>> forwards, but I haven't reviewed the manual on this as I have my own
>> intentions anyway. So, I do however have the problem that if the cable
>> was
>> to flex on one side, it could enable the slack side to slip inboard over
>> the tail of the pin. Whether this would ever happen is probably the
>> question to ask, as it would mean that the other cable under tension
>> would
>> have to stretch to allow the other to go slack. I suppose this then begs
>> another question which is how tight to make these cables. I have
>> turnbuckles, so I can tweak them until they are tight as I like. Is there
>> any advice as to how tight is enough an not too much. I suppose the
>> tighter
>> the less likelihood of further stretching which is what I am trying to
>> negate with a lateral load, which is of itself a questionable load
>> anyway.
>> How am I going to fly my plane in such a fashion that I get a lateral
>> load
>> of sufficient strength that it allows one cable to stretch and the other
>> to
>> go slack and slip over the tail of the pin. My aircraft probably would
>> break elsewhere. I am simply seeing the length of my pins as being
>> apparently inadaquate to also act as a containment
>>
>>
>>
>
>
>
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