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Electrics and Trim

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wdaniell.longport(at)gmai
Guest

Posted: Mon Feb 29, 2016 8:01 am Post subject: Electrics and Trim

A couple of questions for the assembled company

In the Europa wiring diagram there is a separate alternator output switch and a 25 A fuze or CB.Â  Can this be replaced by a just a 25A circuit breaker?Â  Is there any reason to have the switch?
Dynon trim.Â  Has anyone fitted the DynonÂ SV-AP-PANEL?Â  If so how did you wire it to the Trim servo supplied with the Europa?Â  The Dynon puts out 4A to the trimÂ motorÂ and the Europe TrimÂ has a 1A CB....So I am assuming that one can use the Dyonon trim controller but with a 1A CB between the controller and the trim motor.Thanks in advance

Will



William Daniell



LONGPORT

+57 310 295 0744

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rampil

Joined: 04 May 2007
Posts: 870

Posted: Mon Feb 29, 2016 9:42 am Post subject: Re: Electrics and Trim

The size of the circuit break is strictly dependent on the gauge of the

wire that you run to the trim motor in the tail.



Do yourself a favor and get a copy of "The Aeroelectric Connection"

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_________________
Ira N224XS

wdaniell.longport(at)gmai
Guest

Posted: Mon Feb 29, 2016 9:59 am Post subject: Electrics and Trim

Thanks Ira



William Daniell



LONGPORT

+57 310 295 0744



 

On Mon, Feb 29, 2016 at 12:42 PM, rampil <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)> wrote:

 	  Quote: 	
		  --> Europa-List message posted by: "rampil" <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)>

 

 The size of the circuit break is strictly dependent on the gauge of the

 wire that you run to the trim motor in the tail.

 

 Do yourself a favor and get a copy of "The Aeroelectric Connection"

 

 --------

 Ira N224XS

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=453295#453295

 

 

 

 

 

 

 

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Fred Klein

Joined: 26 Mar 2012
Posts: 503

Posted: Mon Feb 29, 2016 1:22 pm Post subject: Electrics and Trim

 	  Quote: 	
		  On Feb 29, 2016, at 9:42 AM, rampil <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)> wrote:

Do yourself a favor and get a copy of "The Aeroelectric Connection”

	


Will...	Here’s a link: http://www.bandc.aero/aircraft-electrical-books.aspx



…check out the entire site…lots of good info…



F.

 	  Quote:

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Fred Klein

Joined: 26 Mar 2012
Posts: 503

Posted: Mon Feb 29, 2016 2:23 pm Post subject: Electrics and Trim

Here’s another source for VERY helpful electrical info:

	http://www.aeroelectric.com/articles.html



F.

 	  Quote: 	
		  On Feb 29, 2016, at 1:21 PM, Fred Klein <fklein(at)orcasonline.com (fklein(at)orcasonline.com)> wrote:

 	  Quote: 	
		  On Feb 29, 2016, at 9:42 AM, rampil <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)> wrote:

Do yourself a favor and get a copy of "The Aeroelectric Connection”

	


Will...	Here’s a link: http://www.bandc.aero/aircraft-electrical-books.aspx



…check out the entire site…lots of good info…



F.

 	  Quote:

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Tue Mar 01, 2016 2:01 pm Post subject: Re: Electrics and Trim

Will,



These are strictly my opinions, use them as you see fit.  



The diagram I have XS Page 25-11 Issue 4, shows a 30 amp slow blow fuse.  This is required and needs to be a slow blow type fuse.  I used a Buss Maxi fuse to get the slow blow feature.  



The switch shown which is rated at 25 amps allows one to isolate the alternator from the aircraft electrical system.  This could be useful in case of an alternator failure or if the capacitor should fail by shorting out.  Many prefer to start their engine with the alternator out of the circuit and then turn it on after the engine is started.  For these reasons a switch is probably preferred since circuit breakers may not be rated to be turned on and off frequently.  I used Aero Electric Connection standard diagram Z-13 as the basis for my electrical system.  I have since incorporated portions of Z-16 as well.  I can send you  a pdf of my electrical system if you like.  Don't forget an overvolt protection device.  There is a approved club mod for an overvolt crow bar module.



I have looked at the Dynon SV-AP Panel install instructions.  I assume you are fitting a Skyview system with Dynon pitch and roll servos for their autopilot system. That should be a cool setup!   The Dynon panel will allow you to control the Europa supplied Ray Allen pitch trim motor without using the supplied rocker switch.  The Dynon is to be fed through a 4A fuse (they probably specified 4A since it can control two trim motors and some motors may draw more than 1A).  It will supply as much current as the Ray Allen motor requires.  The Ray Allen servos are fused at 1A when installed alone and the wires are quite small (26 AWG), so fuse the wire going from the Dynon Panel to the trim motor with a 1A fuse.  You will probably want to keep the Europa supplied position indicator.  I know I always look at it prior to take off to make sure the trim is positioned properly.  



I hope this helps.

Jim Butcher

N241BW

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carlp101

Joined: 07 Mar 2016
Posts: 120

Posted: Wed Mar 16, 2016 3:18 pm Post subject: Re: Electrics and Trim

Hi Will,



I have just gone through the rather lengthy process of fitting a full Skyview D1000T system in my Europa Tri-gear, G-URMS. It includes the auto-pilot panel. I wired the trim motor to the AP panel's D-type 15 way connector, but the panel's nose-up / nose-down buttons cannot be used to alter the pitch unless the auto-pilot is flying the plane. You need to wire the existing trim switch to the 15 way D-type connector too to give you the ability to manually control the pitch trim. In addition, if you want the trim gauge to work you'll need to wire it in a specific way that includes the addition of a resistor. It works well.



Email me on cparkinson(at)cisc-uk.com and I'll send you the details of what I did to get it working. I'm typing this on a tablet at the moment, so I don't have the information easily to hand.



Regards

Carl

+44 7810 565195

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