Decrease DPF filter regen rates and increase life of your filter

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fried1765

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GreensvilleJay said:
re: I have absolute confidence in both the people and the results. And so do you everytime you get on an airplane, step on the bathroom scales, turn on a TV, or send an internet message.

I have
ZERO confidence with respect to airplanes (hint 737max 8, locked cabin doors, and some avionics issues..)
ZERO confidence in bathroom scales ( always 5.7# high......)
ZERO confidence in TV, never any GOOD news, and too many 'reality' shows that are staged....
+1 for internet messages though, PROVIDING the ISP is 'up and running'.....
Click to expand...
YMMV.....
I have 30,000+ total hours of pilot time, in various airplane types, including aircraft carrier.
MAXIMUM confidence here......over 38 years!

BTW: If you research the accident history of the 737-8 Max , you will find that there have been zero accidents/incidents on that aircraft, when operated by 1st world nations pilots.
 
jyoutz

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I have to ask this question. Has anybody on this site ever had their DPF worn out from too much use? It seems like a non-issue if these things last for 3000+ hours.
 
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TheOldHokie

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fried1765 said:
YMMV.....
I have 30,000+ total hours of pilot time, in various airplane types, including aircraft carrier.
MAXIMUM confidence here......over 38 years!

BTW: If you research the accident history of the 737-8 Max , you will find that there have been zero accidents/incidents on that aircraft, when operated by 1st world nations pilots.
Click to expand...
Actually my comment was aimed more at confidence that Bernoulli wasn't a cheater 😃

Dan
 
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GreensvilleJay

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and my aviation comment was about the IDIOTS that decided that ONE and ONLY sensor would CONTROL the airplane......

and yes I'm a private pilot and was an avionics technician so I'm familiar with airplanes....
 
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jimh406

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jyoutz said:
I have to ask this question. Has anybody on this site ever had their DPF worn out from too much use? It seems like a non-issue if these things last for 3000+ hours.
Click to expand...
They usually don't "wear" out. What happens is they clog. When the obstruction is too much for the computer to figure out ie do a region, they go into limp mode or simply refuse to run.

The simple solution is to allow the end user to force a regen, but that would assume the end user knows when to do it. Btw, this is the same as far as I know whether it is a tractor or diesel pickup. Instead, you have to take to a dealer or someone with the dealer software. In other words, it's a software issue.

I have no idea if the holdup was the EPA rules or the manufacturers.

I had a pickup with this issue. After a couple of thousand bills including being stuck on the side of the road, I decided I wasn't going to own another vehicle with a DPF if I could avoid it at all. That's the reason why I own a L2501 instead of a tractor with more HP.
 
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GreensvilleJay

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wonder if any of the 'brainiacs' did a study of no DPF vs DPF(SAME engine, tractor, use) and compared 'pollution' levels. As well the actual costs to have DPF, for say 10 years ??
 
TheOldHokie

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GreensvilleJay said:
wonder if any of the 'brainiacs' did a study of no DPF vs DPF(SAME engine, tractor, use) and compared 'pollution' levels. As well the actual costs to have DPF, for say 10 years ??
Click to expand...
According to the report that spawned this thread addition of a DPF reduces particulate emissions by a factor of 10. Or if you prefer by 90%.l

Use of B20 without a DPF reduces particulates by 25%.

While not tested in the subject report other testing pegs the reduction for B100 wuthout a DPF at 80% plus.

Dan
 
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GreensvilleJay

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from what I've read , to clean the DPF, you have to increase RPM and use a lot of fuel and ,um, just WHERE do those trapped praticulates ('bad things') go, if not into the air ?
 
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fried1765

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GreensvilleJay said:
and my aviation comment was about the IDIOTS that decided that ONE and ONLY sensor would CONTROL the airplane......

and yes I'm a private pilot and was an avionics technician so I'm familiar with airplanes....
Click to expand...
However many sensors there are, is really not the issue.

The 737-Max 8 is has been flown for thousands of hours, without mishap.
The primary issue with the airplane, is that the systems are simply too complex for camel drivers to accommodate, without significant additional training,...... or perhaps not at all..
 
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GreensvilleJay

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re: However many sensors there are, is really not the issue.

yes , it is. Only ONE sensor was used, unlike most(all ?) others where 3 are used. THAT is the crux of the problem. Relying on ONE and ONLY one sensor is NOT smart. It also didn't show up in the BOEING testing, nor the FAA, the simulations( which WOULD have shown this fault)
They grounded the fleet for what 2-3 years until a solution was found. Yup, they read SEVERAL sensors now...
 
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fried1765

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GreensvilleJay said:
from what I've read , to clean the DPF, you have to increase RPM and use a lot of fuel and ,um, just WHERE do those trapped praticulates ('bad things') go, if not into the air ?
Click to expand...
I think that long long ago someone said ......"matter can neither be created nor destroyed".
Is a DPF magic?
 
TheOldHokie

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GreensvilleJay said:
from what I've read , to clean the DPF, you have to increase RPM and use a lot of fuel and ,um, just WHERE do those trapped praticulates ('bad things') go, if not into the air ?
Click to expand...
They are vaporized and released as CO2. The reaction also produces a small amount of ash which falls to the bottom where it collects over time. When the DPF can no longer hold anymore ash it is removed and emptied.then returned to service.

Dan
 
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fried1765

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GreensvilleJay said:
re: However many sensors there are, is really not the issue.

yes , it is. Only ONE sensor was used, unlike most(all ?) others where 3 are used. THAT is the crux of the problem. Relying on ONE and ONLY one sensor is NOT smart. It also didn't show up in the BOEING testing, nor the FAA, the simulations( which WOULD have shown this fault)
They grounded the fleet for what 2-3 years until a solution was found. Yup, they read SEVERAL sensors now...
Click to expand...
Only two of those airplanes have ever crashed!
Both were flown by "camel drivers"
Many years ago I was in A USN transport squadron (reserve) with old C-54s
On the forward instrument panels was: FTFA, printed, in black grease pencil.
This was a reference to flying....... with the loss of an engine.

If the automatic crap does not work, the "camel drivers" will drive the airplane into the ground!
They simply cannot revert to: FTFA
They are taught to push buttons, and the lack basic thinking, adaptive, and flying skills.
It is both a training and a cultural issue!
 
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jyoutz

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Good information. However I think this is is probably more of an issue with vehicles, and tractors used for regular farm use for thousands of hours, versus homeowner use for dozens or hundreds of hours.
 
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GreensvilleJay

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ever since 'fly by wire' came about, pilots don't 'fly' the airplane..can't but that's not my point.
Mine is the idiotic idea that someone( maybe a committee ?) decided to trust ONE and ONLY one sensor for realtime data used to control the airplane.
Same idiots probably would only put ONE pilot in the cockpit.
 
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