Nigel
perfect thanks.
Thank makes life a lot easier that than changing the cross ways control
tube.
Do you see any reason why the bracket would have to be steel...for example
could it be composite provided that it was sufficiently strong/well made?
Is there a similar option for the aileron servo - ie one that doesn't
require the bracket on the torque tube? Perhaps attached to the base of
the joystick.
Thanks again
Will
William Daniell
LONGPORT
+57 310 295 0744
On Tue, Apr 14, 2015 at 2:11 AM, nigel_graham@m-tecque.co.uk <
nigel_graham@m-tecque.co.uk> wrote:
> Bud, Will, I have attached a couple of drawings and a picture of the UK
> mod application for the scheme that Bud described FYI
>
> Nigel
>
>
> On 13/04/2015 20:39, Bud Yerly wrote:
>
> Yep. Bob Berube first showed me and it is simple. I use 2 in tube cut
> in half with a drove lug or post welded on for MW-4 attached. Put 3/32
> silicone cowl seal in the tube and clamp it on. I prefer this if there i
s
> no access in the aft end.
>
> Bud
>
> *Sent from my Verizon Wireless 4G LTE DROID*
> On Apr 12, 2015 10:18 PM, William Daniell <wdaniell.longport@gmail.com>
> <wdaniell.longport@gmail.com> wrote:
> Bud
> Does this mean that you put a clamp on the main torque tube?
> Will
>
>
> William Daniell
> LONGPORT
> +57 310 295 0744
>
> On Sun, Apr 12, 2015 at 9:02 PM, Bud Yerly <budyerly@msn.com> wrote:
>
> Alan,
> Nice clean job.
> I prefer not to run a thin wall one inch tube that far without an idler i
n
> the center. However, the pitch system only needs a couple of pounds of
> pressure when out of trim, and when the stab is trimmed neutral, very
> little pressure is necessary to move the stab. We design our systems for
> the worse case scenario, that is, full trim up the the max torque of the
> trim motor and the bending moment of the thin wall tubing has to be capab
le
> of taking the load plus a rather large safety factor (since it is a contr
ol
> system) without bending or flexing. If the trim tube should bend, it can
> jamb the flight control.
>
> I prefer to put the trim motor where you did, but make a 3/2 ratio arm to
> drive the tube via a tube clamp.
>
> However, to keep a short drive tube, I would recommend installing the new
> light weight servos behind the mass balance post using a two inch extensi
on
> from the torque tube arm (there are two holes there anyway to mount .016
> steel arms to). Use a 1/2 inch with .049 wall for the drive tube (like t
he
> aileron tubes). The length of the tube should be about 2 feet.
>
> Regards,
> Bud Yerly
>
> *From:* Alain Chabert <alainchabert@wanadoo.fr>
> *Sent:* Saturday, April 11, 2015 1:05 PM
> *To:* europa-list@matronics.com
> *Subject:* Re: Europa-List: Autopilot servo instalation
>
> Hello,
> Look at the solution I adopted from 330 hours and is much simpler than th
e
> proposed mod.
> Regards
>
> *Alain CHABERT*
>
>
> Le 11/04/2015 18:44, William Daniell a =C3=A9crit :
>
> I have seen searching through the list that there are some alternatives
> to the major surgery required for Mod 75 and 76.
>
> For example I saw some correspondence between Raimo and Bob Gowing
> connecting servo to the tail plane torque tube using a bracket. I assume
> that the service is mounted on a fiberglass bracket mounted on the floor
> ....
>
> Could I prevail on anyone who has who has an alternative to the official
> mods and which does not require major surgery send me a pic please.
>
> Many thanks
>
> Will
>
>
> William Daniell
> LONGPORT
> +57 310 295 0744
>
>
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