Piston MSB affecting newer engines - MSB-E4-043

Discussions specific to Austro engines

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YokotaFTC
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by YokotaFTC »

nickname wrote: Mon Dec 23, 2024 1:45 am
Bryce wrote: Sun Dec 22, 2024 3:55 pm
nickname wrote: Sun Dec 22, 2024 3:51 pm Just did the 3rd inspection and was able to get a specialized borescope to get photos via the glow plugs. Happy about no more risk to the head being stripped!
What shop did the inspection, and what was the specific boreacope that was used?
Independent mechanic and utilized Voyager C40 HD 4-way Videoscope
Do you know what size the scope diameter was?
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by jamesyonan »

I can report success on the borescope inspection via the glow plug method on my DA40-NG. Work was performed by Arapahoe Aero at KAPA. They used a 4.1mm scope.
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by nickname »

YokotaFTC wrote: Thu Dec 26, 2024 11:37 pm
nickname wrote: Mon Dec 23, 2024 1:45 am
Bryce wrote: Sun Dec 22, 2024 3:55 pm

What shop did the inspection, and what was the specific boreacope that was used?
Independent mechanic and utilized Voyager C40 HD 4-way Videoscope
Do you know what size the scope diameter was?
2.8mm camera
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by Mdm0515 »

Why would anyone buy or keep a Diamond in these circumstances
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MarkO
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by MarkO »

Because it is still the best GA solution available at the price point.
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by nickname »

Mdm0515 wrote: Mon Dec 30, 2024 10:01 pm Why would anyone buy or keep a Diamond in these circumstances
New and modern engine technology comes with growing pains. You can wait out the growing pains or deal with minor difficulty and enjoy the efficiency and ease of use today instead of waiting. Both options are valid. :)

Besides the Rotax, and even including the Rotax, nothing in the piston market has even come close to the DA42/62 experience. Not having to toy with a propeller control, mixture control, cowl flaps, worry about CHT and TIT, etc... And extraordinarily low fuel cost at $40 an hour for 150-160 KTAS.
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by Bryce »

Mdm0515 wrote: Mon Dec 30, 2024 10:01 pm Why would anyone buy or keep a Diamond in these circumstances
Because nobody with a brain would buy a new G58 Baron for $1.8MM. And I come from a Bonanza/Baron owning family. Nothing out there is perfect, including every single alternative.
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by 442AD »

Hi..Does anyone have any update on the piston Austro engine issues. Are they shipping engines yet?
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by Jeff »

Latest info that we have is that new pistons are still in test and no change expected in availability for both new production engines and field replacements in approximately April 2025. Any engines being shipped currently are still with pistons applicable to MSB E4-043.
442AD wrote: Wed Jan 08, 2025 9:11 pm Hi..Does anyone have any update on the piston Austro engine issues. Are they shipping engines yet?
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Re: Piston MSB affecting newer engines - MSB-E4-043

Post by Boatguy »

nickname wrote: Tue Dec 31, 2024 3:59 am New and modern engine technology comes with growing pains.
The Austro engine is not new. It is a Mercedes OM640, built under license to Austro. The OM640 entered production over twenty years ago. Mercedes now makes the OM654, a 2.0l diesel that is lighter while producing more power.

The Austro is "modern" only when compared to Lycoming and Continental engines that were first certified 70yrs ago and are based on technology that is at least 80yrs old, long before the invention of the "microprocessor".

The only thing new about the E4 engines is that Austro is now the builder rather than Mercedes. And that "newness" has definitely come with some growing pains.
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