[ACE-OF-ACES]

Im no expert

Don't feel bad about that..

In that no one here is an expert!

Oh sure allot of folks claim to be experts

But I have yet to see any that I would consider to be experts

And that is not to say I am an expert

All I am saying is I know enough to know that I am not an expert but know enough to know one when I see one

And I have yet to see one

All I do see is allot of folks, like yourself, making observations based off their experiences while flying

And like I said I know enough to know those kinds of observations say more about the relative pilot skill than the accuracy of the FM

Statements like 'I read allot ' or 'I watched allot of or 'It climbed like a UFO' or 'It went passed me like I was standing still' are neat but say nothing about the accuracy of the FM

The only thing that says anything about the accuracy of the FM is to do the same 'controlled' test method of the in-game plane and compare those results to the 'controlled' test method done on the real plane.

That removes the relative pilot skill factor and focus on the planes performance.

With that said there were three types of control tests they did back than

1) Top Speed per Altitude (TSPA)
2) Rate of Climb (ROC)
3) Time to Climb (TTC)

Sadly roll rate testing and turn rate testing was not done on all aircraft so you will have trouble finding that kind of info

But those three tests will cover 90% of the FM accuracy

The trick is to read up on how those controlled tests were preformed such that you can do the same type of test in the game

The next trick is to record the data (alt, speed, roc, etc) during the test so you have something to compare to the real world data

Its that simple

Anything else is just guess work aka whinning

Here is an example of such a comparison I did on the MiG15 awhile back

viewtopic.php?p=268280&highlight=#268280

PS keep in mind that the folks over at UP2.0 have been known to make changes to the FMs of mod planes (and some of the stock/orginal IL2 planes) without without thoroughly testing the change. Worse yet they are known for making changes to a mod's FM without telling the orginal mod maker they are making a change to the/their mod! So there is a good chance that the folks over at UP2.0 'introduced a bug' (a nice way of saying broke) into the orgianl FM done by PeterD/Wolf. Which is why I would recomend you uninstall UP2.0 and use HSFX 4.1. In that UP2.0 is nothing more than HSFX4.1 repackaged with 4 or 5 new slots for some variantes of existing plates and a bunch of un-documented changes to the FMs of some HSFX4.1 planes. That way you know you will be getting the orginal FM from the orginal mod maker!