Today's Message Index:
----------------------
1. 12:47 AM - Re: Splicing small wires (Brian Gowland)
2. 05:22 AM - Which connection from a Garmin 296 to my Dynon 180? (Geoff Heap)
3. 05:32 AM - Re: Progressive switch for electric trim (Robert L. Nuckolls, III)
4. 05:39 AM - Re: Icom 210 radio intercom switch (Robert L. Nuckolls, III)
5. 06:38 AM - Re: Icom 210 radio intercom switch (Kevin Boddicker)
6. 07:52 AM - Re: Icom 210 radio intercom switch (Robert L. Nuckolls, III)
7. 08:27 AM - Re: AeroElectric List access (Speedy11@aol.com)
8. 09:39 AM - Icom A210/A200 owners (Mike Welch)
9. 10:59 AM - Re: Icom A210/A200 owners (Mike Welch)
10. 11:25 AM - Re: Icom A210/A200 owners (n801bh@netzero.com)
11. 11:44 AM - Re: Icom A210/A200 owners (Mike Welch)
12. 01:35 PM - Re: Which connection from a Garmin 296 to my Dynon 180? (Geoff Heap)
13. 08:37 PM - removing bendix king kma 24 (joe motis)
Message 1
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Subject: | Re: Splicing small wires |
Splicing small wiresTry rolling a small copper/ brass/ali tube under a
sharp blade, for perfect results in seconds.
Regards
Brian
Hn700 Menestrel 11
----- Original Message -----
From: Fergus Kyle
To: 1AeroElectricLIST
Sent: Monday, August 30, 2010 10:17 PM
Subject: AeroElectric-List: Splicing small wires
I cannot pretend to be so wise as some on the net, but I do
have a small note to make when splicing the #18-on-down size wires,
especially when in crowded corners - I seem to specialize in wiring
myself into a spiralling corner.....
In radio I learned long ago you can't find the size you need
to join two wires. I hit upon the model aircraft shops for copper/brass
tubing which is nesting in size around these smaller wires. It's a pain
to cut the tubing and smooth the ends so that fine wire can enter so I
do this in tens at one time when the conditions dictate, either this or
reading a good book. For a couple of bucks and a warder file plus
small-tooth saw, you can have a pocketful of crimpable lengths just
lying there waiting for redemption. The simple crimper slides easily
into tight spaces, and we're not welding power cable here.
Just a thought.
Ferg
Europa XS A064
wiring wiring wiring
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Message 2
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Subject: | Which connection from a Garmin 296 to my Dynon 180? |
Hi Guys. I know some of you have done this. Which wire on a Garmin 296 is the one
that connects to EFIS pin #22 on a Dynon 180? My guess is that it is the DATA
OUT 2(violet) in the Power/Data connector cable. This wire is described as
to autopilot or NMEA device I have already cut (cannibalized) that cable to get
at the power wire so it's already accessible. Thank you.....Geoff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=310783#310783
Message 3
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Subject: | Re: Progressive switch for electric trim |
At 10:05 PM 8/30/2010, you wrote:
Bob, list,
I was reading through a thread on Van's Air Force today and it got me
thinking about the approaches to elevator trim control. There seemed
to be two camps:
People who use (on)-off-(on) type switches who have problems with sensitivity,
and people who have some kind of high/low motor speed switch, either
manually controlled or airspeed controlled with a Vertical Power (or
similar) module.
>From a usability versus complexity standpoint, I was imagining a
progressive-speed switch, implemented as a 5-position switch:
(second-up) : fast down trim
(first-up) : slow down trim
center : trim stop
(first-down) : slow up trim
(second-down) : fast up trim
A quick search has not turned up any toggle switches of this kind,
which may be the real problem with this approach. Have you seen this
approach elsewhere, or have any part number suggestions?
I's aware of no COTS (commercial off the shelf)
switch with this characteristic. There have been
lever operated, sping loaded to center, wafer
switches but those go back a lot of years. I
don't think they were a catalog item.
I've spent a significant portion of my career
working on motor driven trim systems for aircraft,
mostly bizjets. I did get to put the first microprocessor
controlled trim system on Roy Lopresti's M30 prototype
at Mooney. This was a proof of concept controller that
adjusted the servo gain scale factor on a servo/anti-servo
tab. The goal was to provide a constant stick-force/G
response irrespective of IAS.
Initial flight tests were encouraging but the M30
program was scrapped for a host of reasons. We've
had a number of discussions about trim systems here
on the List. A search of the aeroelectric.com website
using the words trim and speed will produce a number
of hits. But in particular, may I suggest you review
the article published at:
http://www.aeroelectric.com/articles/Trim_System_Failures.pdf
The "ideal" trim controller would adjust the motor's
speed linearly over the full range of max to minimum
depending on the airplane's IAS value. After
crafting the trim speed controller for the Lear
55, I wrote and delivered a paper at an SAE
convention where I hypothesized a number of
possibilities for future designs. Two features
of the paper talked about a way to control trim
speed from a single processor in a manner that
precludes a runaway in spite of worst case software
failure. The other was a proposal to adjust motor
speed based on the value of pitot pressure (IAS).
Obviously, there's a huge difference between a
performance of a Lear and an RV. A larger difference
exists between the product development budgets
for the two aircraft.
Setting the "ideal" system aside, what operating
characteristics might offer 90 plus percent of
everything we'd like the trim system to do.
An airplane spends MOST of its flight time in
stable flight at max IAS. This configuration
suggests a very slow trim rate that allows
fine tuning of trim for holding altitude.
A small percentage of flight time is spent
in approach to landing where IAS is on the
order of 90-100 kts and some degree of
flaps are deployed. Here the trim speed needs
to be faster to make timely adjustments to
establish the desired IAS.
On the Lears, the high speed trim was 4x faster
than low speed trim.
I've published a suggested schematic for a
two speed trim system for small aircraft
at:
http://www.aeroelectric.com/PPS/Flight/Trim/Two_Speed_Trim_2.pdf
This is modeled after the system flying on
30 series Lears where speed commands come
from a switch on the flap system. With flaps
full up, low speed is commanded. With flaps
extended more than 10 degrees, high speed
is commanded.
I'm confident that a system crafted after
this model will meet design goals for
crafting a very utilitarian pitch trim
system. The neat thing is that speed
selection is automatically controlled by
flight configuration. I could get this
system qualified on a TC aircraft with
a minimum of bureaucratic fuss.
The controller should be fitted with
screwdriver adjusted trim pots for speed
selection. Over a series of flight tests,
you can optimize system performance to
meet your design goals.
Bob . . .
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Subject: | Re: Icom 210 radio intercom switch |
At 09:11 PM 8/30/2010, you wrote:
>Bob,
>I have one of these units. It works as voice activated to my
>satisfaction. It my have some components that I do not understand,
>but voice opens the squelch and squelch closes when silent. Many
>menus to filter through, but once set it is a fine unit.
THANK YOU! There's no data better than hands-on
data. That's what I would have hoped for. I've got
some REALLY warm spots in my heart for Icom products
that were established back in the days when I was
putting repeaters on 1200 foot towers!
Do you use the external intercom ptt switch?
Bob . . .
Message 5
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Subject: | Re: Icom 210 radio intercom switch |
No I do not. When the PPT is keyed, BOTH mics are hot. I just tell my passengers
to be quiet when I transmit. While flying alone I cancel the intercom all together.
Just pushing and holding one button on the face of the unit will cancel
the intercom function. Repeat and it is back on.
Kevin
On Aug 31, 2010, at 7:34 AM, Robert L. Nuckolls, III wrote:
>
> At 09:11 PM 8/30/2010, you wrote:
>> Bob,
>> I have one of these units. It works as voice activated to my satisfaction. It
my have some components that I do not understand, but voice opens the squelch
and squelch closes when silent. Many menus to filter through, but once set it
is a fine unit.
>
> THANK YOU! There's no data better than hands-on
> data. That's what I would have hoped for. I've got
> some REALLY warm spots in my heart for Icom products
> that were established back in the days when I was
> putting repeaters on 1200 foot towers!
>
> Do you use the external intercom ptt switch?
>
>
>
> Bob . . .
>
>
>
>
>
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Subject: | Re: Icom 210 radio intercom switch |
At 08:16 AM 8/31/2010, you wrote:
>
>No I do not. When the PPT is keyed, BOTH mics are hot. I just tell
>my passengers to be quiet when I transmit. While flying alone I
>cancel the intercom all together. Just pushing and holding one
>button on the face of the unit will cancel the intercom function.
>Repeat and it is back on.
Good info.
Bob. . .
Message 7
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Subject: | Re: AeroElectric List access |
Bob,
Wondering why you prefer the real-time emails? I've been using the digest
version for years and I like the one-a-day email. Of course, getting the
postings is delayed a day whereas the real-time ones are received same day.
Seems like the real-time notices would tend to fill up the mailbox.
Maybe I should switch to real-time. Is there a good reason?
Stan Sutterfield
I recommend that you check ONLY the real-time
and not the digest service.
Message 8
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Subject: | Icom A210/A200 owners |
Hello List=2C
I'm getting very close to hooking up all the components to my instrument
panel=2C
and I'd sure like some advice regarding my Icom A200.=2C to be put into the
2-place
plane I'm building.
I have a SoftComm International ATC-2 potable intercom that I got for my
plane
years ago. I also have a Icom A200 (mobile style). Basically=2C it the sa
me a the regular
A200=2C it's just that it comes more like a CB radio=3B attched mic via a c
oiled cord=2C speaker
that pluds into a 3mm plug recepticle=2C hot/grnd leads for power.
Anyway=2C back to my question=3B For those guys that have experience wit
h the built-in
intercom function of the Icom radios=2C would you say that that alone is su
fficient (for a 2-place)=2C
or is the intercom part "lacking"=2C and in need of a separate dedicated in
tercom?
Frankly=2C if the concensus is that the Icom is up to the task=2C I'd rat
her just go ahead and
install a couple of jacks and be done with it. (the intercom part=2C I mean
)
So=2C wuddaya think of the Icom intercom??
Thanks=2C Mike Welch
Message 9
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Subject: | Icom A210/A200 owners |
Sheesh=2C I should proof-read more. Overlook the typos. Thanks=2C Mike
From: mdnanwelch7@hotmail.com
Subject: AeroElectric-List: Icom A210/A200 owners
Hello List=2C
I'm getting very close to hooking up all the components to my instrument
panel=2C
and I'd sure like some advice regarding my Icom A200.=2C to be put into the
2-place
plane I'm building.
I have a SoftComm International ATC-2 potable intercom that I got for my
plane
years ago. I also have a Icom A200 (mobile style). Basically=2C it the sa
me a the regular
A200=2C it's just that it comes more like a CB radio=3B attched mic via a c
oiled cord=2C speaker
that pluds into a 3mm plug recepticle=2C hot/grnd leads for power.
Anyway=2C back to my question=3B For those guys that have experience wit
h the built-in
intercom function of the Icom radios=2C would you say that that alone is su
fficient (for a 2-place)=2C
or is the intercom part "lacking"=2C and in need of a separate dedicated in
tercom?
Frankly=2C if the concensus is that the Icom is up to the task=2C I'd rat
her just go ahead and
install a couple of jacks and be done with it. (the intercom part=2C I mean
)
So=2C wuddaya think of the Icom intercom??
Thanks=2C Mike Welch
Message 10
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Subject: | Re: Icom A210/A200 owners |
Not related to the intercom but....
I put a A-200 in my experimental and can say it is a great unit. Clear,
long range and easy to use.
The one BIG drawback to it was the display is not easy to read unless I
turn on my nav lights, which I wired to the internal lighting on the A-2
00, thinking I would only need radio lighting on when I needed nav light
s. WRONG.... The display is too dim for me to see in normal conditions,
I don't want to cut into my harness I made to add a splice so I removed
the radio out of the can and looked inside to see if I could jumper the
lights that way.. Not a easy deal.
I would suggest you wire the internal radio light to stay on all the tim
e.
Just my opinion.
do not archive.
Ben Haas
N801BH
www.haaspowerair.com
---------- Original Message ----------
From: Mike Welch <mdnanwelch7@hotmail.com>
Subject: AeroElectric-List: Icom A210/A200 owners
Hello List,
I'm getting very close to hooking up all the components to my instrume
nt panel,
and I'd sure like some advice regarding my Icom A200., to be put into th
e 2-place
plane I'm building.
I have a SoftComm International ATC-2 potable intercom that I got for
my plane
years ago. I also have a Icom A200 (mobile style). Basically, it the s
ame a the regular
A200, it's just that it comes more like a CB radio; attched mic via a co
iled cord, speaker
that pluds into a 3mm plug recepticle, hot/grnd leads for power.
Anyway, back to my question; For those guys that have experience with
the built-in
intercom function of the Icom radios, would you say that that alone is s
ufficient (for a 2-place),
or is the intercom part "lacking", and in need of a separate dedicated i
ntercom?
Frankly, if the concensus is that the Icom is up to the task, I'd rath
er just go ahead and
install a couple of jacks and be done with it. (the intercom part, I mea
n)
So, wuddaya think of the Icom intercom??
Thanks, Mike Welch
========================
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Message 11
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Subject: | Icom A210/A200 owners |
Thanks Ben=2C I'll be sure to do that.
Regarding the value of using the Icom's intercom=2C anybody? Anybody?
?
Thanks=2C Mike
From: n801bh@netzero.com
Subject: Re: AeroElectric-List: Icom A210/A200 owners
Not related to the intercom but....
I put a A-200 in my experimental and can say it is a great unit. Clear=2C l
ong range and easy to use.
The one BIG drawback to it was the display is not easy to read unless I tur
n on my nav lights=2C which I wired to the internal lighting on the A-200
=2C thinking I would only need radio lighting on when I needed nav lights.
WRONG.... The display is too dim for me to see in normal conditions=2C I d
on't want to cut into my harness I made to add a splice so I removed the ra
dio out of the can and looked inside to see if I could jumper the lights th
at way.. Not a easy deal.
I would suggest you wire the internal radio light to stay on all the time.
Just my opinion.
do not archive.
Ben Haas
N801BH
www.haaspowerair.com
---------- Original Message ----------
From: Mike Welch <mdnanwelch7@hotmail.com>
Subject: AeroElectric-List: Icom A210/A200 owners
Hello List=2C
I'm getting very close to hooking up all the components to my instrument
panel=2C
and I'd sure like some advice regarding my Icom A200.=2C to be put into the
2-place
plane I'm building.
I have a SoftComm International ATC-2 potable intercom that I got for my
plane
years ago. I also have a Icom A200 (mobile style). Basically=2C it the sa
me a the regular
A200=2C it's just that it comes more like a CB radio=3B attched mic via a c
oiled cord=2C speaker
that pluds into a 3mm plug recepticle=2C hot/grnd leads for power.
Anyway=2C back to my question=3B For those guys that have experience wit
h the built-in
intercom function of the Icom radios=2C would you say that that alone is su
fficient (for a 2-place)=2C
or is the intercom part "lacking"=2C and in need of a separate dedicated in
tercom?
Frankly=2C if the concensus is that the Icom is up to the task=2C I'd rat
her just go ahead and
install a couple of jacks and be done with it. (the intercom part=2C I mean
)
So=2C wuddaya think of the Icom intercom??
Thanks=2C Mike Welch
c-List">http://www.matronics.com/Navigator?AeroElectric-List
tronics.com
www.matronics.com/contribution
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Subject: | Re: Which connection from a Garmin 296 to my Dynon |
180?
Never mind. My guess was right. Link below
http://www.xenonowners.com/index.php?option=com_content&view=article&id=48:connecting-garmin-gps-to-dynon-efis&catid=10:avionics&Itemid=11
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=310846#310846
Message 13
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Subject: | removing bendix king kma 24 |
I have a bendix king kma 24 that popped the 3 amp cb labeled spkr.The
installation is about 2 years old and was done by a shop.
I would like to remove the KMA 24 to bench test it and would like to know
how to do it .
Thanks
Joe Motis
Cherokee 180
CH 750 from prints.
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