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29 Mar 2024, 09:39 [ UTC - 5; DST ]


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 09:49 
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Joined: 05/25/11
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Location: Indianapolis, IN (KUMP)
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Username Protected wrote:
Same dry sump as Lycoming and Continental.


Most airplane Continental and Lycoming engines feature wet sump designs. On the Bonanza specifically, the only engine that is dry sump is the legacy E-series.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 10:28 
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Company: Underground Airways
Location: CYKF Kitchener, Ontario
Aircraft: Mooney M20K 231+
This isn't a sensor and not sure if it would work on all aircraft engines but if you notice your oil temp increases above it's normal operating range there's a possibility you have a low oil situation


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 12:32 
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Location: Columbus, Ohio
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Username Protected wrote:
Seems like an easy add for a company like JPI, EI, Insight

Yeah, changing the software so that “oil quantity” appears on the screen would be easy. Everything else associated with getting it approved wouldn’t be worth the time it would take. First a sensor would need to get approved. Then you need to figure out where to mount it on all the applications they want to offer it on. Since no OEM has done it you can’t just pop the OEM sensor out and install the EI/JPI, etc. They’d have to do all the engineering themselves and get approval to cut holes in oil sumps. Good luck.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 12:38 
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Joined: 03/23/08
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You'd think a sensor could be adhered to the side of the sump and measure the slight delta-T and with a little math could average the approximate oil level, or at least alarm a rapid decline.

Oh and you'd need one on each side of the case from what I've observed with many pilots :lol:

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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 12:39 
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Joined: 09/02/11
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Username Protected wrote:
Or just a camera, which I now have so I can see my belly and gear in action.

TJ


Now you've got my interest, Tom. Tell us more about your camera setup, por favor.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 12:46 
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Or just a camera, which I now have so I can see my belly and gear in action.

TJ


Now you've got my interest, Tom. Tell us more about your camera setup, por favor.

Its just an automotive backup camera into my G3X, I am experimental so I can do more things...

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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 12:47 
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My old 911 had an oil level gauge. Only accurate at idle and standing still. Same dry sump as Lycoming and Continental.


Huh? Porsche has a true dry sump with a separate oil tank and no oil residing in the engine. There is a scavenge pump to pump the oil out of the bottom of the engine into the oil tank.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 13:33 
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A single probe that indicated your level was below 6 qts would be good enough. Even my lawn mower has that.
Japanese autos had low coolant and low oil sensors since the 80s.

Greg


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 14:58 
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Username Protected wrote:
A single probe that indicated your level was below 6 qts would be good enough. Even my lawn mower has that.
Japanese autos had low coolant and low oil sensors since the 80s.

Greg

How would you attach that to the oil pan? My canted engines have two drain plugs so it would be pretty easy to replace the higher one with a sensor but for engines with only one drain in the sump it might not be feasible.

You'd also want to make absolutely certain the sensor couldn't fail in a way that let the oil out or you'd be creating an opportunity to lose the oil.

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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 15:07 
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Username Protected wrote:
Japanese autos had low coolant and low oil sensors since the 80s.

Greg
Not just the Japanese. Ford had them in the ‘80s, too. I imagine pretty much all auto makers did.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 16:28 
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Username Protected wrote:
My old 911 had an oil level gauge. Only accurate at idle and standing still. Same dry sump as Lycoming and Continental.


Huh? Porsche has a true dry sump with a separate oil tank and no oil residing in the engine. There is a scavenge pump to pump the oil out of the bottom of the engine into the oil tank.

You're right, thinking oil cooled, vs dry sump.

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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 02 Aug 2022, 22:39 
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Username Protected wrote:
A single probe that indicated your level was below 6 qts would be good enough. Even my lawn mower has that.
Japanese autos had low coolant and low oil sensors since the 80s.

Greg

How would you attach that to the oil pan? My canted engines have two drain plugs so it would be pretty easy to replace the higher one with a sensor but for engines with only one drain in the sump it might not be feasible.

You'd also want to make absolutely certain the sensor couldn't fail in a way that let the oil out or you'd be creating an opportunity to lose the oil.



The engine manufacturers would have to do some groundbreaking engineering and add a threaded fitting to the oil pan at the minimum oil level point for a sensor. ;)
Since it’s a almost zero pressure area, chances of a large leak occurring would be nearly nil.
Continental engines already have a enough other spots likely to lose oil, which is the reason the sensor might come in handy.
Or you could just build a dipstick that is a level sensor. The lead attached to it would of course be a pain.


Greg

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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 03 Aug 2022, 03:55 
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Username Protected wrote:
Or you could just build a dipstick that is a level sensor. The lead attached to it would of course be a pain.

Greg


You could have the contacts built into the screw in portion. So automatic connection/disconnection.


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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 03 Aug 2022, 14:25 
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Username Protected wrote:
How would you attach that to the oil pan? My canted engines have two drain plugs so it would be pretty easy to replace the higher one with a sensor but for engines with only one drain in the sump it might not be feasible.

You'd also want to make absolutely certain the sensor couldn't fail in a way that let the oil out or you'd be creating an opportunity to lose the oil.



The engine manufacturers would have to do some groundbreaking engineering and add a threaded fitting to the oil pan at the minimum oil level point for a sensor. ;)
Since it’s a almost zero pressure area, chances of a large leak occurring would be nearly nil.
Continental engines already have a enough other spots likely to lose oil, which is the reason the sensor might come in handy.
Or you could just build a dipstick that is a level sensor. The lead attached to it would of course be a pain.


Greg

I wonder if you couldn't make one that attached to or replaced the bolted on oil filler tube that some engines have? Not much chance for a big oil leak there.
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 Post subject: Re: Why No Oil Quantity Gauge Lycoming & Continental?
PostPosted: 03 Aug 2022, 14:40 
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Other than the need to smooth out readings, why couldn't this be done though the dipstick? Could it not be calibrated to account for the moving oil when the engine is running?

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