Today's Message Index:
----------------------
1. 06:53 AM - Re: Bussmann fuse blocks (Chris Stone)
2. 07:39 AM - Re: Dynon D10A audio alarm output signal (Mike Welch)
3. 10:48 AM - Re: Bussmann fuse blocks (rparigor@suffolk.lib.ny.us)
4. 11:26 AM - Re: Dynon D10A audio alarm output signal (Robert L. Nuckolls, III)
5. 11:42 AM - Re: Bussmann fuse blocks (Bill Bradburry)
6. 01:59 PM - Re: Dynon D10A audio alarm output signal (Mike Welch)
7. 06:07 PM - Dual power source into diode pair (jonlaury)
8. 07:05 PM - Re: Shunt/Hall Sensor placement (Speedy11@aol.com)
9. 10:26 PM - D-sub connectors, what is disadvantage of solder over crimp? (rparigoris)
Message 1
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Subject: | Re: Bussmann fuse blocks |
Hello Ron,
Waytek has sold them although I don't see them in the current web catalog. They
are a terminal removal tool for the BUSSMANN 15712-14-06-21A (Waytek 46074)
The Waytek terminal P/N is 46074 for the Bussman blocks for which the removal
tool is designed.
I can send you a sketch. Very easy to make from a piece of ~.030-.040 thick steel.
chris stone
RV-8
Oregon
-----Original Message-----
From: rparigor@suffolk.lib.ny.us
Sent: May 13, 2010 4:45 PM
Subject: Re: AeroElectric-List: Bussmann fuse blocks
Hi Chris
"Be sue to get the terminal removal tool (it looks
like a very small (10mm wide) two pronged fork)."
I never saw a
tool like that. Who sells them?
Perhaps this:
http://www.handsontools.com/Lisle-13120-Electrical-Connector-Separator_p_5706.html
Thx.
Ron Parigoris
Message 2
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Subject: | Dynon D10A audio alarm output signal |
Bob=2C
Regarding your circuit=2C I've got the 3906=2C but I don't have the 3904.
Is it okay to switch the 3904 with a 2N4401? I have some of these on han
d.
Also=2C I'm having a bit of trouble finding the specific electrolytic tan
talum capacitor on Digikey. Do you have a part number? Thanks.
Mike Welch
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Message 3
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Subject: | Re: Bussmann fuse blocks |
Hi Chris
"I can send you a sketch. Very easy to make from a piece of
~.030-.040 thick steel."
If you don't mind, please send a
sketch.
Thx.
Ron Parigoris
Message 4
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Subject: | Dynon D10A audio alarm output signal |
At 09:21 AM 5/14/2010, you wrote:
>Bob,
>
> Regarding your circuit, I've got the 3906, but I don't have the
> 3904. Is it okay to switch the 3904 with a 2N4401? I have some of
> these on hand.
ANY jelly bean pnp, npn pair can be used here. It's
exceedingly non-critical.
>
> Also, I'm having a bit of trouble finding the specific
> electrolytic tantalum capacitor on Digikey. Do you have a part
> number? Thanks.
ANY 1 uf tantalum (or aluminum for that matter)
would be fine too. Radio Shack has a suitable
part here:
http://www.radioshack.com/product/index.jsp?productId 62392
If you're ordering OTHER things from Digikey too then
this one would work.
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=399-3528-ND
Did you check the output voltage when no tone is present?
Also, it occurs to me that the output tone COULD
be capacitively coupled . . . which means we'll need
to add a diode to the circuit. But it will be a RS
part too . . . so marching ahead with the current
experiment is a good thing.
Bob . . .
Message 5
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Subject: | Bussmann fuse blocks |
Please put it on the list..
Bill B
_____
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
rparigor@suffolk.lib.ny.us
Sent: Friday, May 14, 2010 1:45 PM
Subject: Re: AeroElectric-List: Bussmann fuse blocks
Hi Chris
"I can send you a sketch. Very easy to make from a piece of ~.030-.040 thick
steel."
If you don't mind, please send a sketch.
Thx.
Ron Parigoris
Message 6
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Subject: | Dynon D10A audio alarm output signal |
Bob=2C
Mike @ Dynon Tech support confirms--zero voltage when alarm is not soundi
ng.
What about that diode you mentioned? Probably wouldn't hurt=2C right?
And why do they still call it Radio Shack? Shouldn't rename themselves C
ell Phone Shack??
Mike Welch
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Message 7
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Subject: | Dual power source into diode pair |
In looking at Z-19 Engine Primary and Secondary Switches, does having two fused
supplies through the switch to the diode pair double the current potential for
the single wire downstream from the diodes and does it need to be sized to handle
the sum of the fused supplies?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=297797#297797
Message 8
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Subject: | Re: Shunt/Hall Sensor placement |
John
I also appeased my "demons" and inserted current detections where I wanted
it. I'm not an aero electric expert, but I've been flying numerous
aircraft for 35 years and I know what info I like to have displayed in the
cockpit. I wanted current measurements.
So, I inserted a HE device along the wire from the alternator to the #1
battery and a shunt on the wire from the #2 battery. My thinking was that I
could monitor the amps going to the #1 battery to see how much load was on
the alternator. It works great in that function and shows the high amps
used to recharge the battery and then once it is recharged, it shows the load
being used by the entire aircraft. The shunt will indicate the amps being
drawn from the #2 battery should the alternator and #1 battery fail.
I like having information in the cockpit. Control freak? Perhaps. Guess
I've been a control freak for 35 years and didn't realize it.
For me, just as I like to know what my fuel flow is, what my oil pressure
is, what my system voltage is, - I also like to know my amperage load.
Build it the way you like it.
Stan Sutterfield
So with your and Joe's clarifications about
what the different placements of the current sensor mean, I will
confidently sally
forth to appease my inner demons.
Message 9
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Subject: | D-sub connectors, what is disadvantage of solder over |
crimp?
What is the disadvantage of using a 36 or 50 pin solder pot d-sub connectors (while
having an extra set of hands to insert wires) where you heat shrink over
solder pot and wire compared to using much more expensive machined pin connectors
that are crimped?
Ron Parigoris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=297806#297806
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