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                           AeroElectric-List Digest Archive
                                      ---
                     Total Messages Posted Thu 05/14/15: 3
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Today's Message Index:
----------------------
 
     1. 12:18 PM - Re: Dual Control Stick Trim Switches Without Relays  (weasel)
     2. 06:27 PM - Fw: RV10-List: Odyssey optimal charge voltage  (Justin Jones)
     3. 07:44 PM - Re: Fw: RV10-List: Odyssey optimal charge voltage  (user9253)
 
 
 
________________________________  Message 1  _____________________________________


Time: 12:18:33 PM PST US
Subject: AeroElectric-List: Re: Dual Control Stick Trim Switches Without Relays
From: "weasel" <airbalanceengineering@gmail.com>



Tundra10 wrote:
> I see two restrictions to utilize this circuit:
> The trim switches in your control stick would have to be not commonly  
> switched to ground.  This might be a typical case, since it would half  
> the number of wires inside the control stick.
> The trim switches would have to be capable of handling the trim motor  
> spikes.  Unlike a relay, since the voltage polarity is reversed, the  
> usual diode protection for the switch could not be used.  A  
> bi-directional device with a clamping voltage a little higher than bus  
> voltage might be desirable.
> I think that is why the relay method is commonly used.
> 
> Jeff Page
> Dream Aircraft Tundra #10
> 
> 
> >  Time: 06:36:24 AM PST US
> >  Subject: Dual Control Stick Trim Switches Without Relays
> >  From: "user9253" 
> > 
> >  Joel Graber designed and posted a circuit on VansAirforce that  
> >  controls a trim
> >  servo motor using
> >  Ray Allen G205 SPDT stick grip switches mounted on pilot and copilot  
> >  control sticks.
> >  No relays are required.  A PDF version can be download:
> >  http://tinyurl.com/Trim-Circuit
> >  Joel Graber has used this circuit in his RV-10 for over 600hrs.
> >  In case of a runaway trim caused by a stuck switch or suicidal  
> >  copilot, the opposite
> >  direction
> >  button can be pressed and held until the fuse or breaker can be pulled.
> >  I do not know if anyone else has thought of this wiring scheme before or not,
> >  but I thought it both simple and ingenious.  Even the Ray Allen  
> >  company thinks
> >  that relays
> >  must be used for 2 control sticks.
> >  Joe
> > 
> >  --------
> >  Joe Gores
> > 
> > 
> 


Just for data. I have been running this for well over 600hrs with no problems.


Joel

--------
RV-10
RV-4 SOLD
Fisher Classic -- VW Power


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=442106#442106


________________________________  Message 2  _____________________________________


Time: 06:27:18 PM PST US
From: Justin Jones <jmjones2000@mindspring.com>
Subject: AeroElectric-List: Fwd: RV10-List: Odyssey optimal charge voltage

Forwarded from the RV10 list


Begin forwarded message:

> From: Kelly McMullen <apilot2@gmail.com>
> Date: May 14, 2015 at 12:41:31 AKDT
> To: rv10-list@matronics.com
> Subject: RV10-List: Odyssey optimal charge voltage
> 
> Just wondering if anyone has researched what optimal alternator setting sh
ould be using the Odyssey 925L battery? Whether it should be different than t
he old wet cell set point between 13.8 and 14.2.
> 
> 
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> 

________________________________  Message 3  _____________________________________


Time: 07:44:17 PM PST US
Subject: AeroElectric-List: Re: Fwd: RV10-List: Odyssey optimal charge voltage
From: "user9253" <fransew@gmail.com>


There was a recent discussion about Odyssey charge voltage here:
http://www.vansairforce.com/community/showthread.php?t=125524

--------
Joe Gores


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=442123#442123


 

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