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  Topic: Alternator sawtooth current generation
rv8ch

Replies: 5
Views: 2770

PostForum: AeroElectric-List   Posted: Sat Sep 19, 2020 8:43 am   Subject: Alternator sawtooth current generation
Thanks for the hints.  The voltage stays very constant.  No pitot heat or other big consumers, except lights (landing/wigwag, position, strobes).  I did some experiments today without the lights fo ...
  Topic: Alternator sawtooth current generation
rv8ch

Replies: 5
Views: 2770

PostForum: AeroElectric-List   Posted: Sat Sep 19, 2020 12:55 am   Subject: Alternator sawtooth current generation
Planepower/Harzell 60Amp, Earthx battery, GRT EIS 4000 w/hall effect sensor on alternator B-lead, running all lights, etc. Steady state getting these kinds of current fluctuations (see attachment).
...
  Topic: draw.io shapes
rv8ch

Replies: 0
Views: 2758

PostForum: AeroElectric-List   Posted: Sat Nov 17, 2018 6:12 am   Subject: draw.io shapes
Hi,

Has anyone already added to the [url=http://draw.io]draw.io program shape library with some shapes like Bob's?  Should not take too long, but if I can save a couple hours of work it would ...
  Topic: Same rating for fuses and circuit breakers?
rv8ch

Replies: 16
Views: 14644

PostForum: AeroElectric-List   Posted: Tue Oct 23, 2018 6:56 am   Subject: Same rating for fuses and circuit breakers?
Hi,

I'm curious if we should use the exact same rating for fuses as are recommended for circuit breakers.


I have all fuses with one CB as recommended by the AEC, and for most devices they ...
  Topic: Did you install a "battery bus"?
rv8ch

Replies: 10
Views: 6418

PostForum: AeroElectric-List   Posted: Fri Sep 21, 2018 8:46 am   Subject: Did you install a "battery bus"?
Many thanks for all the feedback, gents.  I've decided to skip the battery bus.  I reserve the right to change my mind at the last minute!  :DMickey Coggins
  Topic: Did you install a "battery bus"?
rv8ch

Replies: 10
Views: 6418

PostForum: AeroElectric-List   Posted: Tue Sep 18, 2018 1:56 pm   Subject: Did you install a "battery bus"?
Hi,

I'm struggling to find anything that really needs to be connected to an always-hot battery bus.


I have an io360 with pmags which will power themselves in case of issue with the normal ...
  Topic: Spark plug wire installation - distance between wires
rv8ch

Replies: 0
Views: 2173

PostForum: AeroElectric-List   Posted: Mon Jul 23, 2018 10:48 pm   Subject: Spark plug wire installation - distance between wires
Hi,


I've always heard that spark plug wires need some small distance between them, and that's what I did on my engine, but I'm curious what happens if you don't have distance betw ...
  Topic: Starting the Engine Reboots the EFIS
rv8ch

Replies: 41
Views: 32133

PostForum: AeroElectric-List   Posted: Thu May 17, 2018 12:37 pm   Subject: Starting the Engine Reboots the EFIS
Hi Jan,  Which eric jones product are you talking about?  I've been all over his site  It is a race with the relay and solenoid that enables the starter motor. A small rel ...
  Topic: TyWraps redux
rv8ch

Replies: 6
Views: 6815

PostForum: AeroElectric-List   Posted: Mon May 14, 2018 5:58 am   Subject: TyWraps redux
Thanks for the kind words - just doing it like Bob taught me via his book and many PDFs and images.Mickey Coggins





On Fri, 11 May 2018 at 15:39, FLYaDIVE <flyadive@gmail.com (What do you ...
  Topic: TyWraps redux
rv8ch

Replies: 6
Views: 6815

PostForum: AeroElectric-List   Posted: Wed May 09, 2018 10:16 pm   Subject: TyWraps redux
FWF I used a lot of flat lace along with some adel clamps and I'm really happy with the way it turned out.  I have some pictures here:


Good point Bob...


In general BLACK Ty-Wraps are UV ...
  Topic: two different Z-33 diagrams
rv8ch

Replies: 8
Views: 7768

PostForum: AeroElectric-List   Posted: Wed Apr 04, 2018 6:39 am   Subject: two different Z-33 diagrams
Hi Bob,  The drawing is absolutely perfect for my application as-is.   Last time I hand propped an aircraft was my boss's tri-pacer in 1978 or 79, so that feature is not a high priority for me. ...
  Topic: two different Z-33 diagrams
rv8ch

Replies: 8
Views: 7768

PostForum: AeroElectric-List   Posted: Tue Apr 03, 2018 9:07 pm   Subject: two different Z-33 diagrams
Hi Bob, for hand propping, my understanding is that the device would need at least a bit of power.  There is some discussion on some forums about just using a tiny 9v battery.  I don't see anyth ...
  Topic: two different Z-33 diagrams
rv8ch

Replies: 8
Views: 7768

PostForum: AeroElectric-List   Posted: Tue Apr 03, 2018 12:45 pm   Subject: two different Z-33 diagrams
Thanks Bob.  The maintenance mode is for setting the ignition timing - if the device has power, but the p-lead is grounded, then it's in a mode where blowing on the manifold pressure tube connect ...
  Topic: two different Z-33 diagrams
rv8ch

Replies: 8
Views: 7768

PostForum: AeroElectric-List   Posted: Tue Apr 03, 2018 5:15 am   Subject: two different Z-33 diagrams
Thanks Bob - I've sent the drawing I have offline - I didn't want it to get out into the wild until you had a look as it might cause some confusion.  Regards, Mickey
Mickey Coggins



...
  Topic: two different Z-33 diagrams
rv8ch

Replies: 8
Views: 7768

PostForum: AeroElectric-List   Posted: Mon Apr 02, 2018 11:36 am   Subject: two different Z-33 diagrams
Hi,

I have a printout of a Z-33 that shows how to wire pmags so that you can do maintenance on them, but I can't find this diagram any longer.  The Z-33 I find is about Dual Power Path for Bat ...
  Topic: Bench tester to simulate an alternator
rv8ch

Replies: 2
Views: 3389

PostForum: AeroElectric-List   Posted: Thu Oct 26, 2017 8:23 am   Subject: Bench tester to simulate an alternator
...

 Actually, since you're emulating a runaway
 alternator, perhaps tight control over voltage
 is unnecessary. You just need a current source
 with an open circuit voltage substant ...
  Topic: Bench tester to simulate an alternator
rv8ch

Replies: 2
Views: 3389

PostForum: AeroElectric-List   Posted: Thu Oct 26, 2017 5:22 am   Subject: Bench tester to simulate an alternator
Hi,

Does anyone have a recommendation for a bench tester to see how lifepo4 batteries behave during an overvoltage event?  Thinking about buying various brands of lifepo4 batteries and subjecting ...
  Topic: e-mag p model (pmag) power/ground wire size question
rv8ch

Replies: 0
Views: 2109

PostForum: AeroElectric-List   Posted: Sun Sep 03, 2017 12:16 pm   Subject: e-mag p model (pmag) power/ground wire size question
Thanks for the feedback, gentlemen.

Kind regards,
Mickey

Mickey Coggins


On 3 September 2017 at 20:41, Robert L. Nuckolls, III <nuckolls.bob@aeroelectric.com ( At 11:14 AM 9/3/2017, yo ...
  Topic: e-mag p model (pmag) power/ground wire size question
rv8ch

Replies: 1
Views: 2704

PostForum: AeroElectric-List   Posted: Sun Sep 03, 2017 2:53 am   Subject: e-mag p model (pmag) power/ground wire size question
Hi,

The pmag instructions say that the maximum current draw is 0.25 amps, but they recommend 18 AWG wire for both power and ground, and 22 AWG for the other 4 wires.


From the manual:
"(P ...
  Topic: Interesting thread on overvoltage event
rv8ch

Replies: 21
Views: 24375

PostForum: AeroElectric-List   Posted: Wed Apr 26, 2017 5:56 am   Subject: Re: Interesting thread on overvoltage event
In the Z diagrams, follow all the wires leaving the regulator. One of them (the A terminal on the generic Ford model) goes through the alternator half of the master switch, to a 5A breaker, which is t ...
 
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