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dean.psiropoulos(at)veriz
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 Posted: Sun Oct 15, 2006 9:26 pm Post subject: Trim control module flap switch |
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I purchased a trim control module from F1 Rocket Boy because I'd heard that
electric elevator trim on RVs was too sensitive in the pattern and not
sensitive enough in cruise (or is it vice versa). In any case, if you
install a switch that is actuated by the flaps, then the unit will
automatically change the trim motor speed to match aircraft configuration.
Since I have manual flaps on my RV-6 this may fall on deaf ears (seems like
everyone has electric flaps in the RV world) but I'll ask it anyway.
If you have one of these trim rate changers and you utilized some sort of
switch that is actuated by the lowering the flaps how did you set it up?
Did you set it up to activate the switch when the flaps were fully extended
or only partially? How and where did you mount the switch? Any info would
be appreciated. Those that installed and AOA system from Advanced Flight
Systems (formerly Proprietary Software Systems) have to do the same thing
with their flap actuated switch so you folks with this AOA may also be able
to help me here (same criteria apply for mounting the AOA flap actuated
switch as the trim changer). Any photos and guidance on the install would
be much appreciated. Thanks.
Dean Psiropoulos
RV-6A N197DM
Down to that last 1% of the 90% to-go and very excited about 1st flight.
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LloydDR(at)wernerco.com
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| Posted: Mon Oct 16, 2006 5:18 am Post subject: Trim control module flap switch |
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Dean
I am using the AOA, as well as Aircraft Extra's relay deck to accomplish
what you are talking about. Aircraft Extra's has the diagram for
installing this and it is downloadable from their website, hope this
helps.
http://www.aircraftextras.com/FPS-Plus-Mech.htm
Dan Lloyd
RV10E
40289 (N289DT)
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Hopperdhh(at)aol.com
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| Posted: Mon Oct 16, 2006 3:20 pm Post subject: Trim control module flap switch |
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Dean,
I know this doesn't answer your original question, but here is my take on it.
It is true that the trim motor runs a little too fast for cruise flight, but I quit trimming for landings. I just apply the (not too great) stick back pressure it takes to do the landing and that way it stays trimmed for takeoff and cruise. At this time I don't have a trim indicator, so this works fine for me. KISS.
BTW, I bought the Trim Control Module but haven't installed it yet. I thought I was buying a module that would hold altitude in cruise, so I haven't decided what to do with the module.
Just my $.02.
Dan Hopper
RV-7A
In a message dated 10/16/2006 5:15:01 P.M. Eastern Daylight Time, dgra1233(at)bigpond.net.au writes:
| Quote: |
On Mon, 2006-10-16 at 01:24 -0400, DEAN PSIROPOULOS wrote:
| Quote: | --> RV-List message posted by: "DEAN PSIROPOULOS" <dean.psiropoulos(at)verizon.net>
I purchased a trim control module from F1 Rocket Boy because I'd heard that
electric elevator trim on RVs was too sensitive in the pattern and not
sensitive enough in cruise (or is it vice versa). In any case, if you
install a switch that is actuated by the flaps, then the unit will
automatically change the trim motor speed to match aircraft configuration.
Since I have manual flaps on my RV-6 this may fall on deaf ears (seems like
everyone has electric flaps in the RV world) but I'll ask it anyway.
If you have one of these trim rate changers and you utilized some sort of
switch that is actuated by the lowering the flaps how did you set it up?
Did you set it up to activate the switch when the flaps were fully extended
or only partially? How and where did you mount the switch? Any info would
be appreciated. Those that installed and AOA system from Advanced Flight
Systems (formerly Proprietary Software Systems) have to do the same thing
with their flap actuated switch so you folks with this AOA may also be able
to help me here (same criteria apply for mounting the AOA flap actuated
switch as the trim changer). Any photos and guidance on the install would
be much appreciated. Thanks.
Dean Psiropoulos
RV-6A N197DM
Down to that last 1% of the 90% to-go and very excited about 1st flight.
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Don't you need just a simple microswitch to detect the flap deployment?
Attached photo is not mine so apologies to rightful owner, I pulled it
from my good ideas collection folder.
Doug Gray
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[quote][b]
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