Today's Message Index:
----------------------
1. 02:49 PM - Re: AOA (Richard Pike)
2. 03:50 PM - Re: Re: AOA (Charlie England)
3. 05:41 PM - Re: Re: AOA (B Young)
4. 08:26 PM - Re: AOA (Mike)
Message 1
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ceengland7(at)gmail.com wrote:
> On 6/15/2016 7:15 PM, Richard Pike wrote:
>
> >
> >
> > Thank you Charlie!
> >
> > --------
> > Richard Pike
> > Kolb MKIII N420P (420ldPoops)
> > Kingsport, TN 3TN0
> > Well, shucks. Now you've got me hoping I was right. :-)
> >
>
>
> Seriously, the display itself is easily capable of responding instantly,
> so the mfgr must have done something to make it less sensitive to abrupt
> changes.
>
> You should be able to find a more suitable meter.
>
> Charlie
Would something like this be suitable?
http://www.ebay.com/itm/10seg-LED-Bargraph-Module-usded-in-car-Battery-Tester-display-DC-value-/162086949379?hash=item25bd229203:g:IQwAAOSwLzdWSpvV
Not being electronics savvy myself, I need to have lots of advice, and be able
to just solder and glue...
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Would you consider yourself to be a good person?
https://www.youtube.com/watch?v=VWcDXT6pH7A
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=457217#457217
Message 2
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On Thu, Jun 16, 2016 at 4:49 PM, Richard Pike <thegreybaron@charter.net>
wrote:
>
>
> ceengland7(at)gmail.com wrote:
> > On 6/15/2016 7:15 PM, Richard Pike wrote:
> >
> > >
> > >
> > > Thank you Charlie!
> > >
> > > --------
> > > Richard Pike
> > > Kolb MKIII N420P (420ldPoops)
> > > Kingsport, TN 3TN0
> > > Well, shucks. Now you've got me hoping I was right. :-)
> > >
> >
> >
> > Seriously, the display itself is easily capable of responding instantly,
> > so the mfgr must have done something to make it less sensitive to abrupt
> > changes.
> >
> > You should be able to find a more suitable meter.
> >
> > Charlie
>
> Would something like this be suitable?
>
> http://www.ebay.com/itm/10seg-LED-Bargraph-Module-usded-in-car-Battery-Tester-display-DC-value-/162086949379?hash=item25bd229203:g:IQwAAOSwLzdWSpvV
> Not being electronics savvy myself, I need to have lots of advice, and be
> able to just solder and glue...
>
> --------
> Richard Pike
> Kolb MKIII N420P (420ldPoops)
> Kingsport, TN 3TN0
>
> Looks like a good candidate. Just be sure you order the right one for your
power supply & potentiometer. If you're using 12v (aircraft) power, be sure
to order the 12v version, and if you're supplying 12 v to the pot (sensor),
get the 0-10v range model.
If you look further for different models, you probably need to avoid the
ones that say they use an LM3915 driver IC. That IC has a 'logarithmic'
characteristic, intended to directly display power (ex: audio amplifier) &
will likely throw you a curve when trying to calibrate it.
Charlie
Message 3
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the pot on an AOA meter is only a small part of a turn,,, full travel on
the display should be 2 to 3 volt change
On Jun 15, 2016 8:53 PM, "Charlie England" <ceengland7@gmail.com> wrote:
>
> On 6/15/2016 7:15 PM, Richard Pike wrote:
>
>> >
>>
>> Thank you Charlie!
>>
>> --------
>> Richard Pike
>> Kolb MKIII N420P (420ldPoops)
>> Kingsport, TN 3TN0
>>
> Well, shucks. Now you've got me hoping I was right. :-)
>
> Seriously, the display itself is easily capable of responding instantly,
> so the mfgr must have done something to make it less sensitive to abrupt
> changes.
>
> You should be able to find a more suitable meter.
>
> Charlie
>
>
Message 4
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Kolb listers,
It seems to me if you wanted the "weathervane" style of an AOA you'd get b
etter results from the Hall Effect AOA circuit.
Anyway, you could use one of these, and coupled to a LED display circuit y
ou'd be in bidness.
http://www.ebay.com/itm/221554609837?ssPageName=STRK%3AMEBIDX%3AIT&fromMa
keTrack=true
Here is the final product that I'm talking about. BTW, If you're not familia
r with the Hall Effect circuitry you ought to check it out. This looks like
a super fun project to build!
http://www.barkeraircraft.com/files/AOA_rDisplay.pdf
Mike Welch
Moving back to Utah in one week.
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