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By Duke of Wybourne.
#98624
7 1/2 minute video, an anonymous test lab, and scientist, and at his own admission, a miniscule sample.

Click bait.
By Daiwiskers
#98625
Could be

But the lad has some quite good video's

It could well be right as I believe the Enfield factory is the newest so could well be the cleanest
By Duke of Wybourne.
#98638
Oil analysis is an interesting thing. The first change at low mileage/hours is always going to be dirty, it would be more interesting to see the results at a 20k oil change once everything is bedded in, and see the comparisons, but that would probably be in 5 - 10 years time for most new bikes of today.
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By Wheaters
#98641
Duke of Wybourne. wrote:
Tue Oct 19, 2021 7:03 am
Oil analysis is an interesting thing. The first change at low mileage/hours is always going to be dirty, it would be more interesting to see the results at a 20k oil change once everything is bedded in, and see the comparisons, but that would probably be in 5 - 10 years time for most new bikes of today.
The RAF were (and possibly still are) engaged in a program known as "SOAP" sampling (Spectromatic Oil Analysis Program) for helicopter engines and gearboxes. It was carried out on hours flown and the analysis was carried out by a specialist company, not surprisingly, using a mass spectrometer. The results showed how much metal was present in the oils and what metal it was. From that, the state of the engine/gearbox was monitored. We had to know how to take the samples because they were some times needed while we were deployed away from base and we didn't carry engineers with us. It was fairly straight forward; it involved removing a plug to reveal a self sealing valve. A special bottle (100ml iirc) was pushed onto the coupling, releasing the oil until the bottle was filled.

During one night flight, which involved hovering for quite a prolonged period at a very high altitude (over a place I can't reveal), I noticed some light but unusual vibrations. After landing this was reported to the engineers who told me the aircraft had reached a point where SOAP samples needed to be taken. I went in expecting to fly the following night but I was told that the aircraft was grounded because it needed a main rotor gearbox change (a very major job)!

They had tried to get some oil out and failed and on further investigation found a very large piece of a gear cog blocking the outlet! I've often wondered how things would have turned out had that gear wheel given way. :shock:
By Duke of Wybourne.
#98644
Oil analysis is common practice within hgv , and heavy plant operators for the same reasons. Some also base their "oil change" on analysis whereby the sample will determine how much oil will be drawn off and replaced with fresh, this will include a filter change. I remember stripping a Gardiner diesel with a colossal mileage on it, and it was still within manufacturers spec. The company who had run it from new were "famous" for their fastidious servicing practices.

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