Trim problems (esp. Bf109)

The latest Air Battle game from Microsoft! Running on an entirely new platform, CFS3 is raising it's fair share of problems & opinions - Good & Bad!

Trim problems (esp. Bf109)

Postby Whiskey_Zulu » Thu Jul 03, 2003 12:32 pm

I know from flying airplanes in real life that neutral trim is what you want for cruise.  The angles of the wings and stabilizers should give you pretty close to neutral (zero) trim for the pitch, yaw, and bank planes.

However, most of the planes in CFS3 aren't close to neutral.  The Bf109 is really bad--I think it has like 60 to 80% down trim in cruise flight (I do cruise at 80% power in this game, which is the power setting recommended in all the F1 checklists).  That would be just annoying, but when you go to full power and get up to high speed, you cannot descend--you don't have enough down trim, so the nose rises, and you can't descend again until you have bled off some airspeed.  That means you can't follow many aircraft in dives because your nose will rise on its own.

Anyone else notice this or have a problem with it?
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Re: Trim problems (esp. Bf109)

Postby Woodlouse2002 » Thu Jul 03, 2003 3:29 pm

Ctrl+A will activate Autotrim for you. This should allow you to do anything in anyplane. It even makes the bombers fly nice! :D
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Re: Trim problems (esp. Bf109)

Postby Whiskey_Zulu » Thu Jul 03, 2003 6:39 pm

Autotrim can still only go to -100% for max down trim.  At about 400-420 MPH True, the Bf109 nose will rise on matter what.
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Re: Trim problems (esp. Bf109)

Postby pliabos » Thu Jul 17, 2003 3:11 am

[quote]Autotrim can still only go to -100% for max down trim.
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Re: Trim problems (esp. Bf109)

Postby Mathias » Thu Jul 17, 2003 4:51 am

There is nothing like a "generic" neutral trim position on an aircraft, when you change throttle, climb angle, altitude you have to re-trim your plane. Even for cruise you have to trim your aircraft.
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Re: Trim problems (esp. Bf109)

Postby pliabos » Thu Jul 17, 2003 5:46 am

i mean in the game , when autotrim is off i can shake nose of my plane with rudders else can't.
There is nothing like a "generic" neutral trim position on an aircraft, when you change throttle, climb angle, altitude you have to re-trim your plane. Even for cruise you have to trim your aircraft.


no f-16's dont have any trim. use rudders for taxiing only. just position ur plane and it will go trimmed  ;D, u have 29000 lb in ur hand  ;)
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Re: Trim problems (esp. Bf109)

Postby Whiskey_Zulu » Thu Jul 17, 2003 11:26 am

There is nothing like a "generic" neutral trim position on an aircraft, when you change throttle, climb angle, altitude you have to re-trim your plane. Even for cruise you have to trim your aircraft.


Yes there is a generic trim position for cruise!  Since that's where you spend most of your time flying, that's where trim is supposed to be neutral!  Not only is this obvious, I also learned it at an FAA Part 141 Flight School (a professional flight school).  Of course it won't be exactly zero, but it should be fairly close to it.

The Bf109 has roughly 75% down trim at cruise.  If I want to make a high speed dive on a ground target, even at 100% down trim, the nose will rise on its own, despite full nose-down pressure, at roughly 400-420 MPH Truse Airspeed.
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