by Davestation » Thu Jul 04, 2019 8:31 pm
Karl wrote: ↑Wed Apr 17, 2019 12:33 am
Hi Colin,
What do you mean by replaced ECU A ?
RPM is measured at 2 sensors and sent to 2 independent computers, trying to understand what caused the problem.
Sounds like a typo because they are only replaced as a unit. Even with two sensors though, they don't seem to be as isolated as they could be - it's not like there are four canon plugs going into the box.
Colin wrote: ↑Tue Apr 16, 2019 8:37 am
The engine registered overspeed for six tenths of a second, I believe, but it was an insane number (4,600 RPM?), and I don't think it was real.
I'd say that's possible - remember you're only seeing the calculated prop RPM, the crank redline is 3500. Seems like you'd really feel it though...
[quote=Karl post_id=73976 time=1555461218 user_id=141]
Hi Colin,
What do you mean by replaced ECU A ?
RPM is measured at 2 sensors and sent to 2 independent computers, trying to understand what caused the problem.
[/quote]
Sounds like a typo because they are only replaced as a unit. Even with two sensors though, they don't seem to be as isolated as they could be - it's not like there are four canon plugs going into the box.
[quote=Colin post_id=73953 time=1555403859 user_id=162]
The engine registered overspeed for six tenths of a second, I believe, but it was an insane number (4,600 RPM?), and I don't think it was real.
[/quote]
I'd say that's possible - remember you're only seeing the calculated prop RPM, the crank redline is 3500. Seems like you'd really feel it though...