CHT raising too slow to notice, even I set the mix to lean about 20% while the engine can hardly 'breathe'.

i need more and more test i guess.

Well, it's probably not modeled in the sim aircraft, so that may not have any effect. IRL leaning has a major effect though. The leaner you run it, the hotter it gets, which will have an impact on the CHT. Ultimately airflow over the engine has the biggest effect (again, not sure if that will show up in FSX), so if you're climbing and it's getting uncomfortably hot (needle going into the yellow), it's time to lower the nose and go to cruise power for a while. As good as the default FSX Beaver is modeled (and it is VERY good), a couple of key things are not. One is the engine temp behaviour and the other is that IRL a Beaver won't climb unless you have flaps set to CLIMB. You can pull the nose back a bit, but all it will do is simply slow down. Add flaps to CLIMB setting, and up you go. So there are some things that aren't in the sim for sure, but overall the feel of the default Beaver is the best I've seen outside of the real version.

Well, it's probably not modeled in the sim aircraft, so that may not have any effect. IRL leaning has a major effect though. The leaner you run it, the hotter it gets, which will have an impact on the CHT. Ultimately airflow over the engine has the biggest effect (again, not sure if that will show up in FSX), so if you're climbing and it's getting uncomfortably hot (needle going into the yellow), it's time to lower the nose and go to cruise power for a while. As good as the default FSX Beaver is modeled (and it is VERY good), a couple of key things are not. One is the engine temp behaviour and the other is that IRL a Beaver won't climb unless you have flaps set to CLIMB. You can pull the nose back a bit, but all it will do is simply slow down. Add flaps to CLIMB setting, and up you go. So there are some things that aren't in the sim for sure, but overall the feel of the default Beaver is the best I've seen outside of the real version.

 

Thank u so much for detailed answer. B)

Ultimately airflow over the engine has the biggest effect (again, not sure if that will show up in FSX), so if you're climbing and it's getting uncomfortably hot (needle going into the yellow), it's time to lower the nose and go to cruise power for a while.

 

First, thanks for the info on the real Beaver.

 

In FSX, CHT goes up with RPM increases, and goes down with higher airspeed and lower outside air temperatures. When climbing in the Goose, I've got it adjusted where at normal climb RPM and speed, at some point the CHT gets to high and you have to pull the RPM back a bit, 50 to 100 RPM at a time, to keep CHT from getting too far into the yellow. You could keep the same RPM and lower the nose to get some relief, but it's not as dramatic a change as lowering the RPM.

 

Hook

seems i need a lot of experience in engine settings.

Thanks u two!