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Lew Gallagher
Joined: 04 Jan 2008
Posts: 402
Location: Greenville , SC
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 Posted: Tue Oct 06, 2009 9:28 am Post subject: hat switch relays |
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OK, EE guys.
We got the relay by aircraft extras (aircraftextras.com) to control the elavator trim through the hat switch. Not expensive, well made, does the job (Thanks!).
What I'm wondering is: if i just got two SPDT 12v relays from radio shack, would it do the same thing? As you know, I love to tinker and the aircraft extras relay gizmo incorporates a couple of diodes and something else (?) to "protect against inductive sparking generated from relays switching inductive loads such as motors". How critical is this? Anybody just go with the relays?
Later, - Lew amazed-and-bedazzled-by-the-door-latch-braintrust Gallagher
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Lew Gallagher
Joined: 04 Jan 2008
Posts: 402
Location: Greenville , SC
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| Posted: Wed Oct 07, 2009 5:55 am Post subject: Re: hat switch relays |
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While you're thinking about the relays, here's another one:
Are you isolating left and right grip controls with a switch on the panel? The schematic that came with the relay board just shows both wired in -- assumes only one pilot will trigger the hat switch? I've searched the archives and found some with a pretty hefty selector switch.
Later, - Lew
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ricksked(at)embarqmail.co
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| Posted: Wed Oct 07, 2009 7:17 am Post subject: hat switch relays |
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I wouldn't use the relay setup for nothing.....the fail safe trim system is the only way to go. IMHO...
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marcausman
Joined: 08 Feb 2007
Posts: 70
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| Posted: Thu Oct 08, 2009 7:09 am Post subject: Re: hat switch relays |
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Just a note to clarify this issue for anyone using the Vertical Power system. You do not need relays or other boards for the trim. It is all built-in and all solid-state. Also, the pilot and co-pilot inputs are handled appropriately when there is conflicting control inputs between the two.
On a separate but related note, you also do NOT need to install relays for the door latch annunciator switches. You just run the two switches in series from each door into a switched input pin, and you can change the logic (on when grounded or on when un-grounded) in the setup menus.
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Marc Ausman
http://www.verticalpower.com "Move up to a modern electrical system"
RV-7 IO-390 Flying |
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jesse(at)saintaviation.co
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| Posted: Thu Oct 08, 2009 7:53 am Post subject: hat switch relays |
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Note, though, that the VP only handles 2 trim servos, so if you have
3, then you will need a relay for the 3rd.
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694
On Oct 8, 2009, at 11:09 AM, marcausman wrote:
| Quote: |
Just a note to clarify this issue for anyone using the Vertical
Power system. You do not need relays or other boards for the trim.
It is all built-in and all solid-state. Also, the pilot and co-pilot
inputs are handled appropriately when there is conflicting control
inputs between the two.
On a separate but related note, you also do NOT need to install
relays for the door latch annunciator switches. You just run the two
switches in series from each door into a switched input pin, and you
can change the logic (on when grounded or on when un-grounded) in
the setup menus.
--------
Marc Ausman
http://www.verticalpower.com
RV-7 IO-390 Flying
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 67102#267102
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dmaib@me.com
Joined: 25 Apr 2006
Posts: 454
Location: New Smyrna Beach, Florida
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| Posted: Fri Oct 09, 2009 3:55 am Post subject: hat switch relays |
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I have pitch, roll, and yaw trim on my VP 200 and don't have any
relay's. Maybe because I have VP-200 duo. ?
David Maib
40559
On Oct 8, 2009, at 11:46 AM, Jesse Saint wrote:
| Quote: |
Note, though, that the VP only handles 2 trim servos, so if you have
3, then you will need a relay for the 3rd.
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694
On Oct 8, 2009, at 11:09 AM, marcausman wrote:
>
> <marc(at)verticalpower.com>
>
> Just a note to clarify this issue for anyone using the Vertical
> Power system. You do not need relays or other boards for the
> trim. It is all built-in and all solid-state. Also, the pilot and
> co-pilot inputs are handled appropriately when there is conflicting
> control inputs between the two.
>
> On a separate but related note, you also do NOT need to install
> relays for the door latch annunciator switches. You just run the
> two switches in series from each door into a switched input pin,
> and you can change the logic (on when grounded or on when un-
> grounded) in the setup menus.
>
> --------
> Marc Ausman
> http://www.verticalpower.com
> RV-7 IO-390 Flying
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p 67102#267102
>
>
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David Maib
RV-10 #40559
New Smyrna Beach, FL |
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jesse(at)saintaviation.co
Guest
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| Posted: Fri Oct 09, 2009 4:25 am Post subject: hat switch relays |
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Correct. You have 2 trims per control unit.
Do not archive.
Jesse Saint
Saint Aviation
jesse(at)saintaviation.com
352-427-0285
Sent from my iPhone
On Oct 9, 2009, at 7:53 AM, David Maib <dmaib(at)me.com> wrote:
| Quote: |
I have pitch, roll, and yaw trim on my VP 200 and don't have any
relay's. Maybe because I have VP-200 duo. ?
David Maib
40559
On Oct 8, 2009, at 11:46 AM, Jesse Saint wrote:
>
> <jesse(at)saintaviation.com>
>
> Note, though, that the VP only handles 2 trim servos, so if you
> have 3, then you will need a relay for the 3rd.
>
> Jesse Saint
> Saint Aviation, Inc.
> jesse(at)saintaviation.com
> Cell: 352-427-0285
> Fax: 815-377-3694
>
> On Oct 8, 2009, at 11:09 AM, marcausman wrote:
>
>>
>> >
>>
>> Just a note to clarify this issue for anyone using the Vertical
>> Power system. You do not need relays or other boards for the
>> trim. It is all built-in and all solid-state. Also, the pilot and
>> co-pilot inputs are handled appropriately when there is
>> conflicting control inputs between the two.
>>
>> On a separate but related note, you also do NOT need to install
>> relays for the door latch annunciator switches. You just run the
>> two switches in series from each door into a switched input pin,
>> and you can change the logic (on when grounded or on when un-
>> grounded) in the setup menus.
>>
>> --------
>> Marc Ausman
>> http://www.verticalpower.com
>> RV-7 IO-390 Flying
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p 67102#267102
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
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marcausman
Joined: 08 Feb 2007
Posts: 70
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| Posted: Fri Oct 09, 2009 5:24 am Post subject: Re: hat switch relays |
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Each Control Unit can handle two trim servos. So a system with two control units ("red boxes") can control and display three trim servos.
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_________________
Marc Ausman
http://www.verticalpower.com "Move up to a modern electrical system"
RV-7 IO-390 Flying |
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Lew Gallagher
Joined: 04 Jan 2008
Posts: 402
Location: Greenville , SC
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| Posted: Fri Oct 09, 2009 6:15 am Post subject: hat switch relays |
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Wow, Marc.
Thanks for your link. I can see now why others scoff at relays. At this
point we can only dream and drool of such an awesome gizmo!
Later, - Lew
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crazy about building
NOW OFICIALLY BUILDER #40549
Fly off completed ! |
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