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  Topic: Low voltage warning light
bobnoffs

Replies: 21
Views: 6779

PostForum: AeroElectric-List   Posted: Wed Dec 29, 2021 3:53 am   Subject: Low voltage warning light
the problem with some low voltage monitors in the past was they let you use up a lot of lipo reserve power as they were set too low.you are right, you should be alerted as soon as alternator goes off ...
  Topic: Low voltage warning light
bobnoffs

Replies: 21
Views: 6779

PostForum: AeroElectric-List   Posted: Tue Dec 28, 2021 12:59 pm   Subject: Low voltage warning light
fwiw i tried a circuit board, under the guidance of an elect. wizard i also  built a board from scratch and in the end i ordered the light from perihelion .this is in the last couple of years. i talk ...
  Topic: Thread Lacing Tape
bobnoffs

Replies: 31
Views: 9450

PostForum: AeroElectric-List   Posted: Mon May 10, 2021 3:03 am   Subject: Thread Lacing Tape
fwiw , when i started using it 20 yrs. ago the breaking strength was 80 lbs. . plenty for what  i wanted.

On Sun, May 9, 2021 at 10:18 PM Robert L. Nuckolls, III <nuckolls.bob@aeroelectric.com ...
  Topic: EarthX vs Concord Batteries
bobnoffs

Replies: 13
Views: 4580

PostForum: AeroElectric-List   Posted: Sun May 09, 2021 4:22 am   Subject: EarthX vs Concord Batteries
earthx is expensive and you don't need the weight savings. i wouldn't even look at concorde, you can do just as well for way less money with an odessey. i think the trick to longlife with an a ...
  Topic: bench power
bobnoffs

Replies: 7
Views: 3447

PostForum: AeroElectric-List   Posted: Sat Jan 30, 2021 5:02 am   Subject: Re: bench power
while waiting for the power supply i ordered i came across some tutorials [u tube] about taking an atx [the power supply in a computer] and converting it to a bench power. easy, and a fun project.
...
  Topic: bench power
bobnoffs

Replies: 7
Views: 3447

PostForum: AeroElectric-List   Posted: Wed Jan 27, 2021 2:52 am   Subject: Re: bench power
thanks for the input. i plan to put a cig. lighter plug on output of the power source. my rv12 is wired to easily handle current for one source at a time thru the cig. plug.
instead of the mapbox, ...
  Topic: bench power
bobnoffs

Replies: 7
Views: 3447

PostForum: AeroElectric-List   Posted: Mon Jan 25, 2021 3:57 pm   Subject: Re: bench power
when i use the ''bench power ''source i plan to only power a small part of my panel at a time. a couple amps. my questions are1. is there something i may be applying power to that may cause harm the w ...
  Topic: bench power
bobnoffs

Replies: 7
Views: 3447

PostForum: AeroElectric-List   Posted: Mon Jan 25, 2021 11:38 am   Subject: bench power
soon as the weather warms up a little [50 deg] i want to run my avionics and get limits etc. set. i have decided i do not want a power supply that could fry something if a knob gets bumped. i have got ...
  Topic: low voltage warning
bobnoffs

Replies: 4
Views: 2385

PostForum: AeroElectric-List   Posted: Wed Jan 13, 2021 6:39 pm   Subject: Re: low voltage warning
like i said it was a good learning experience. if i had left out the reg. i probably would have gone with the setup.
winter is setting in up here and there is not much else to do. seriously , a co ...
  Topic: low voltage warning
bobnoffs

Replies: 4
Views: 2385

PostForum: AeroElectric-List   Posted: Wed Jan 13, 2021 10:35 am   Subject: Re: low voltage warning
hey charlie,
that is the board i started with. when you get it it doesn't match the picture. has 4 buttons, not 3 for starters. when i asked for some kind of instructions for the board i got they en ...
  Topic: low voltage warning
bobnoffs

Replies: 4
Views: 2385

PostForum: AeroElectric-List   Posted: Wed Jan 13, 2021 7:09 am   Subject: low voltage warning
a few months i posted about a low voltage warning that would trip at 13.4 volts especially for earthx batteries. i set up a circuit board for a low voltage trip and another voltage regulator board to ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Mon Nov 23, 2020 1:48 pm   Subject: Re: heat probe
well, here's where i am at. the gearbox feeds the oil sump with a 1/2''id hose. the run is about 18'' long. my plan is to install a tee with hose barbs as close as possible to the gearbox. maybe insul ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Fri Nov 20, 2020 4:29 pm   Subject: Re: heat probe
I admit adding a chip detector is a stretch but I think a temp probe could be valuable. You are not looking for absolute temp but a trend compared to engine oil temp.
If I had a gearbox with a hx ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Fri Nov 20, 2020 3:31 am   Subject: Re: heat probe
the chip detecter looks like a good idea but i don't have a place to mount it. it is way over my head to drill and tap a hole in the gearbox case.
maybe down the road it would be a job for someone c ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Thu Nov 19, 2020 11:45 am   Subject: Re: heat probe
i would be interested in reading about the chip detecter but the link didn't work. i can not find that part number.
bob
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Thu Nov 19, 2020 11:36 am   Subject: Re: heat probe
i have looked into the temp sender and it appears to be a resistive single wire. i think these are very common. a cross reference # took me to one used in a cont. 0-200. sold by dynon so i think i hav ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Thu Nov 19, 2020 3:43 am   Subject: Re: heat probe
the chip detector sounds like a much more positive way to go than a magnetic plug. i will look into that too. hopefully there are industrial ones that don't have the faa's million dollar stamp of app ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Wed Nov 18, 2020 6:21 pm   Subject: Re: heat probe
thanks for all the ideas.
my gearbox has a drain line from the bottom of the box to the oil sump. engine oil is fed in the top of the box. my plan it to put a tee in the drainline and a temp. sender ...
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Wed Nov 18, 2020 4:30 am   Subject: Re: heat probe
i really need to know the temp as the gearbox is lubed by engine oil. temp will be relative to engine oil temp
bob noffs
  Topic: heat probe
bobnoffs

Replies: 22
Views: 8897

PostForum: AeroElectric-List   Posted: Tue Nov 17, 2020 11:56 am   Subject: heat probe
i am looking for a way to measure temp. of a gearbox from the outside [no threaded holes]. my eis already has a lead for a resistive type 1/8npt oil temp probe. there must be flat, glue on probes avai ...
 
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