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andy717(at)comcast.net
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 Posted: Tue May 17, 2011 5:43 am Post subject: 4way hat switch interrupts? |
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Hello gentlemen,
I would like to install two 4way trim hat switches with some sort of interrupt device (relay?) where operation of switch A would block operation of switch B. As well, operation of switch B would block operation of switch A.
The Ray Allen trim servos are used as the trim devices and the switches are mounted on flight grips.
Any details here are appreciated — wiring diagrams and any part numbers would be great.
Thank you very much for your time,
Andy Hawes [quote][b]
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Tim Olson
Joined: 25 Jan 2007
Posts: 2879
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| Posted: Tue May 17, 2011 6:14 am Post subject: 4way hat switch interrupts? |
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You may want to just look at Safety-Trim as a system.
It would be a real easy rip-out and replace and gives
more benefits....one of them being real simple
wiring and stick A/B functionality.
http://www.tcwtech.com/
I developed issues with the relays, and ended
up switching to the system, and it's one of the
nicer upgrades I've done.
http://www.myrv10.com/N104CD/upgrades/20071027/index.html
Tim Olson - RV-10 N104CD
On 5/17/2011 8:41 AM, Andy Hawes wrote:
| Quote: | Hello gentlemen,
I would like to install two 4way trim hat switches with some sort of
interrupt device (relay?) where operation of switch A would block
operation of switch B. As well, operation of switch B would block
operation of switch A.
The Ray Allen trim servos are used as the trim devices and the switches
are mounted on flight grips.
Any details here are appreciated — wiring diagrams and any part numbers
would be great.
Thank you very much for your time,
Andy Hawes
|
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andy717(at)comcast.net
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| Posted: Tue May 17, 2011 6:33 am Post subject: 4way hat switch interrupts? |
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Thanks Tim -- I'll look into it.
Do you use 2 trim switches controlling the same servo? After a very quick
look at their site, I'm still wondering if they handle two separate trim
controllers (4way hat in my case) controlling the same trim servo?
I'll look further later tonight and thanks very much for the tip --
Andy
On 5/17/11 9:11 AM, "Tim Olson" <Tim(at)MyRV10.com> wrote:
| Quote: |
You may want to just look at Safety-Trim as a system.
It would be a real easy rip-out and replace and gives
more benefits....one of them being real simple
wiring and stick A/B functionality.
http://www.tcwtech.com/
I developed issues with the relays, and ended
up switching to the system, and it's one of the
nicer upgrades I've done.
http://www.myrv10.com/N104CD/upgrades/20071027/index.html
Tim Olson - RV-10 N104CD
On 5/17/2011 8:41 AM, Andy Hawes wrote:
> Hello gentlemen,
>
> I would like to install two 4way trim hat switches with some sort of
> interrupt device (relay?) where operation of switch A would block
> operation of switch B. As well, operation of switch B would block
> operation of switch A.
>
> The Ray Allen trim servos are used as the trim devices and the switches
> are mounted on flight grips.
>
> Any details here are appreciated ‹ wiring diagrams and any part numbers
> would be great.
>
> Thank you very much for your time,
>
> Andy Hawes
>
|
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nuckolls.bob(at)aeroelect
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| Posted: Tue May 17, 2011 6:35 am Post subject: 4way hat switch interrupts? |
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At 09:41 AM 5/17/2011, you wrote:
| Quote: | Hello gentlemen,
I would like to install two 4way trim hat switches with some sort of interrupt device (relay?) where operation of switch A would block operation of switch B. As well, operation of switch B would block operation of switch A.The Ray Allen trim servos are used as the trim devices and the switches are mounted on flight grips. |
| Quote: | | Any details here are appreciated wiring diagrams and any part numbers would be great. |
The drawing at
http://www.aeroelectric.com/PPS/Flight/Trim/Trim5.pdf
shows 2 trim switches wired in parallel. These
switches could be coolie hats, push-buttons, etc.
When no switch is depressed, both relays are relaxed,
power is removed from the motor. Any one switch being
depressed energizes one relay and power the motor
runs. If a second switch is pressed that conflicts with
the first switch, both relays are energized and power
is removed from the motor until the conflict is
resolved.
Bob . . . [quote][b]
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andy717(at)comcast.net
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| Posted: Tue May 17, 2011 6:54 am Post subject: 4way hat switch interrupts? |
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outstanding. perfect. Thanks very much for this Bob. And thanks for the quick reply --
Andy
On 5/17/11 9:32 AM, "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com> wrote:
| Quote: | The drawing at
http://www.aeroelectric.com/PPS/Flight/Trim/Trim5.pdf
shows 2 trim switches wired in parallel. These
switches could be coolie hats, push-buttons, etc.
When no switch is depressed, both relays are relaxed,
power is removed from the motor. Any one switch being
depressed energizes one relay and power the motor
runs. If a second switch is pressed that conflicts with
the first switch, both relays are energized and power
is removed from the motor until the conflict is
resolved.
|
[quote][b]
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Tim Olson
Joined: 25 Jan 2007
Posts: 2879
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| Posted: Tue May 17, 2011 6:55 am Post subject: 4way hat switch interrupts? |
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Yes, I have a hat switch on each stick, and the controller
makes it real easy to wire the switches in...far simpler
than the relays. Then the 2 switches don't fight with
eachother either. So it should give you the
capability you're looking for. On the RV-10 at least,
the speed control is a "must have".
Tim Olson - RV-10 N104CD
On 5/17/2011 9:31 AM, Andy Hawes wrote:
| Quote: |
Thanks Tim -- I'll look into it.
Do you use 2 trim switches controlling the same servo? After a very quick
look at their site, I'm still wondering if they handle two separate trim
controllers (4way hat in my case) controlling the same trim servo?
I'll look further later tonight and thanks very much for the tip --
Andy
On 5/17/11 9:11 AM, "Tim Olson"<Tim(at)MyRV10.com> wrote:
>
>
> You may want to just look at Safety-Trim as a system.
> It would be a real easy rip-out and replace and gives
> more benefits....one of them being real simple
> wiring and stick A/B functionality.
> http://www.tcwtech.com/
>
> I developed issues with the relays, and ended
> up switching to the system, and it's one of the
> nicer upgrades I've done.
> http://www.myrv10.com/N104CD/upgrades/20071027/index.html
> Tim Olson - RV-10 N104CD
>
> On 5/17/2011 8:41 AM, Andy Hawes wrote:
>> Hello gentlemen,
>>
>> I would like to install two 4way trim hat switches with some sort of
>> interrupt device (relay?) where operation of switch A would block
>> operation of switch B. As well, operation of switch B would block
>> operation of switch A.
>>
>> The Ray Allen trim servos are used as the trim devices and the switches
>> are mounted on flight grips.
>>
>> Any details here are appreciated ‹ wiring diagrams and any part numbers
>> would be great.
>>
>> Thank you very much for your time,
>>
>> Andy Hawes
>>
>
|
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andy717(at)comcast.net
Guest
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| Posted: Tue May 17, 2011 7:03 am Post subject: 4way hat switch interrupts? |
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sounds like a great product and thanks again for the notes Tim.
The flap controller looks very tempting as well for my Radial Rocket build.
If that "talks" to the MVP-50 flap indicators, I'm in business.
On 5/17/11 9:52 AM, "Tim Olson" <Tim(at)myrv10.com> wrote:
| Quote: |
Yes, I have a hat switch on each stick, and the controller
makes it real easy to wire the switches in...far simpler
than the relays. Then the 2 switches don't fight with
eachother either. So it should give you the
capability you're looking for. On the RV-10 at least,
the speed control is a "must have".
Tim Olson - RV-10 N104CD
On 5/17/2011 9:31 AM, Andy Hawes wrote:
>
>
> Thanks Tim -- I'll look into it.
>
> Do you use 2 trim switches controlling the same servo? After a very quick
> look at their site, I'm still wondering if they handle two separate trim
> controllers (4way hat in my case) controlling the same trim servo?
>
> I'll look further later tonight and thanks very much for the tip --
>
> Andy
>
>
> On 5/17/11 9:11 AM, "Tim Olson"<Tim(at)MyRV10.com> wrote:
>
>>
>>
>> You may want to just look at Safety-Trim as a system.
>> It would be a real easy rip-out and replace and gives
>> more benefits....one of them being real simple
>> wiring and stick A/B functionality.
>> http://www.tcwtech.com/
>>
>> I developed issues with the relays, and ended
>> up switching to the system, and it's one of the
>> nicer upgrades I've done.
>> http://www.myrv10.com/N104CD/upgrades/20071027/index.html
>>
>>
>> Tim Olson - RV-10 N104CD
>>
>>
>>
>> On 5/17/2011 8:41 AM, Andy Hawes wrote:
>>> Hello gentlemen,
>>>
>>> I would like to install two 4way trim hat switches with some sort of
>>> interrupt device (relay?) where operation of switch A would block
>>> operation of switch B. As well, operation of switch B would block
>>> operation of switch A.
>>>
>>> The Ray Allen trim servos are used as the trim devices and the switches
>>> are mounted on flight grips.
>>>
>>> Any details here are appreciated ‹ wiring diagrams and any part numbers
>>> would be great.
>>>
>>> Thank you very much for your time,
>>>
>>> Andy Hawes
>>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
>
>
>
>
|
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kuffel(at)cyberport.net
Guest
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| Posted: Tue May 17, 2011 7:23 am Post subject: 4way hat switch interrupts? |
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Andy,
The information you seek is on the Ray Allen web site (RayAllenCompany.com). From the home page click on the link "Download them here" below the "Need Instructions?" at the lower center. Then scroll down to the "Do it yourself Relay Deck Instructions". This shows how to wire up two single pole - double throw relays to drive a servo. If you also look at the G205/207 Grip Wiring Instructions page 7 you see they just wire the pilot's and co-pilot's switches in parallel. This means activating one switch doesn't really disable the other. Instead, activating the second switch in the opposite direction disables the servo. Ray Allen did have some problems with marginal service from the relays in the REL-1 deck. They currently sell a REL-2 deck with much more robust relays.
Safety Trim (tcwtech.com) also wires the pilot's and co-pilot's switches in parallel. To actually block the other switch would require 4 relays per axis instead of two. TCW's trim controller has many additional useful features such as runaway blocking, reverse override and speed control. If you are not in a hurry, I'm developing a homebuilt trim controller with the same features for a cost much lower than TCW's $300. Hope to get it published in Kitplanes like my fuel transfer controller. When I get the prototype built and tested I can send you a schematic which should be Real Soon Now.
Tom Kuffel
[quote][b]
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