Thanks Michael.
That's kinda how I expected he was doing it. Think I've got most of the
parts laying around to buid up the 5v supply and the "servo tester". Think
I've got a schematic around somewhere.....
Bill
A010
----- Original Message -----
From: "Michael Grass" <M.Grass@comcast.net>
Subject: Re: RE : Europa-List: roll trim tab and servo installation
>
> Hi all,
>
> We are dealing here with 2 (little) problems.
>
> 1. The plane has 12V but the servo needs 5 V.
>
> You can go to your local electronic shop and buy for approx. 4 dollar the
> parts.
> you need
> 1 Electrolytic capacitor of 1000 uF min.40V (the arrow with the minus sign
> must be connected to ground)
> 1 Voltage regulator from the 7805 family. You can get them as a 1A, 2A or
3A
> any one will do. (pin 1 is to the left side if you hold the regulator so
you
> can read the label, 2 is the middle 3 the right one)
> 1 MP capacitor 100nF min 40V (must be mounted very close to the regulator
> pins)
> 1 Electrolytic capacitor of 100 uF min.40V (the arrow with the minus sign
> must be connected to ground)
>
> I hope you guys will be able to see the drawing!
>
> 12V Input--------+--------(1)-7805-(3)-----+--------+----- 5Volt output
> ! (2) !
> !
> ! ! !
> !
> 1000uF +-100nF-+ 100uF
> (-) !
> (-)
> ! !
> !
> ! !
> !
> ground -----------+---------------+-------------------+------ground
>
> The regulators back side should be mounted against an aluminum plate as a
> heat sink.
>
>
> 2. Controlling the servo.
>
> You will be able to get at your hobby shop a little servo tester. It has a
> knob (Potentiometer) which can be mounted in your panel and you just dial
in
> your Trim position. This servo tester just sits electrically between your
> 5Volt regulator and the servo.
>
> BTW. Bob Jacobson supplied my servo, servo tester electronic and small
> hardware needed for aprox 100US. He did not supply the electronics for the
> Voltage drop down regulator, but as said before, you can get it at your
> local electronic shop.
>
> Hope that helps.
>
> Michael Grass
> TriGear A266
> ----- Original Message -----
> From: "John & Amy Eckel" <eckel1@comcast.net>
> To: <europa-list@matronics.com>
> Subject: Re: RE : Europa-List: roll trim tab and servo installation
>
>
<eckel1@comcast.net>
> >
> > Bob,
> > Would you mind explaining how you drive your trim tab servo?
> >
> > Thanks,
> > John A230
> > ----- Original Message -----
> > From: "Bob Jacobsen" <jacobsenra@hotmail.com>
> > To: <europa-list@matronics.com>
> > Subject: Re: RE : Europa-List: roll trim tab and servo installation
> >
> >
> <jacobsenra@hotmail.com>
> > >
> > > Michel,
> > >
> > > The servo of chioce is a Hitec HS-645MG. It is small, extremely
> powerful
> > > and has an alloy gear train and ball bearings.
> > >
> > > Thanks for the nice comments on the web site - I was up flying today
and
> I
> > > still can't get over just how fantastic and fun to fly my plane is.
> > >
> > > Are we having FUN yet?!
> > >
> > > Bob Jacobsen
> > > A131
> > >
> > >
> > > >From: "Auvray" <m.auvray@aerodyne-int.com>
> > > >Reply-To: europa-list@matronics.com
> > > >To: <europa-list@matronics.com>
> > > >Subject: RE : Europa-List: roll trim tab and servo installation
> > > >Date: Tue, 11 Nov 2003 14:42:59 +0100
> > > >
<m.auvray@aerodyne-int.com>
> > > >
> > > >Hello Bob
> > > >Congratulations for your web site and Aicraft they are beautiful.
> > > >What servo model do you used for the aileron?
> > > >
> > > >Thanks
> > > >Michel Auvray Classic monowheel N145-220 hours(to day)
> > > >
> > > > --|--
> > > >--------(*)--------
> > > >
> > > >Michel AUVRAY
> > > >
> > > >
> > > >-----Message d'origine-----
> > > >De : owner-europa-list-server@matronics.com
> > > >[mailto:owner-europa-list-server@matronics.com] De la part de Bob
> > > >Jacobsen
> > > >Envoy : mardi 11 novembre 2003 02:04
> > > > : europa-list@matronics.com
> > > >Objet : Re: Europa-List: roll trim tab and servo installation
> > > >
> > > >
> > > >--> <jacobsenra@hotmail.com>
> > > >
> > >
> > > Compare high-speed Internet plans, starting at $26.95.
> > > https://broadband.msn.com (Prices may vary by service area.)
> > >
> > >
> >
> >
>
>
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