Deleted
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FS2002
Aug 22, 2008 5:52:59 GMT -5
Post by Deleted on Aug 22, 2008 5:52:59 GMT -5
Why am I unable to lift fs2002 planes in general off the ground? What must be done to make them fly?
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FS2002
Aug 22, 2008 8:20:20 GMT -5
Post by Piston Paul on Aug 22, 2008 8:20:20 GMT -5
Starting the engine?? No seriously, what is exactly the problem? Paul
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FS2002
Aug 22, 2008 8:46:55 GMT -5
Post by Deleted on Aug 22, 2008 8:46:55 GMT -5
I can't take-off even with long runways, full throttle and full flaps.
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FS2002
Aug 22, 2008 15:20:54 GMT -5
Post by Randy W on Aug 22, 2008 15:20:54 GMT -5
Well, a couple of things leap out right at first: - Too much weight - may have to reduce fuel load or payload
- Prop pitch? If your props are feathered, you won't go far
There's probably a few other things as well, but that's what comes to mind based on the limited info available. p.s. Another thing just popped into mind - I recently had a problem with a new plane, that would not fly no matter what. It turned out that the autopilot was turned on for some reason, trying to maintain zero altitude. Once I figured out to turn off the autopilot on takeoff, it flew nicely. Default keyboard stroke to turn off the autopilot is CTRL-Z(if I remember right).
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FS2002
Aug 22, 2008 16:03:03 GMT -5
Post by Tom/CalClassic on Aug 22, 2008 16:03:03 GMT -5
Hi,
I assume this is in FS2004 or FSX. If so, then there are things in the FS2002 flight model that make them incompatible in later sims. Download an FS2004 flight model update available from my site (on the plane's page). If not available from my pages, then you might have to do the conversion yourself. I can post that, but it's not trivial.
Hope this helps,
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FS2002
Aug 22, 2008 16:36:25 GMT -5
Post by jesse on Aug 22, 2008 16:36:25 GMT -5
You might also try bringing your flaps up to say 10%...It is rare for any airplane to take off with full flaps unless you are making a very short field takeoff attempt.
Jesse
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FS2002
Aug 22, 2008 18:01:39 GMT -5
Post by Tom/CalClassic on Aug 22, 2008 18:01:39 GMT -5
Yeah, never use full flaps for takeoff, unless you are Jimmy Doolittle on the aircraft carrier Hornet.
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Deleted
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FS2002
Aug 22, 2008 22:19:13 GMT -5
Post by Deleted on Aug 22, 2008 22:19:13 GMT -5
So how do you convert or update the flight model to FS9 standards. Btw, I only use full flaps for fs2k2 planes and it is not about weights and the like that I cannot take-off.
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Deleted
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FS2002
Aug 22, 2008 22:20:46 GMT -5
Post by Deleted on Aug 22, 2008 22:20:46 GMT -5
Also, I would use full flaps for short-field take-offs only.
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FS2002
Aug 23, 2008 9:53:22 GMT -5
Post by Tom/CalClassic on Aug 23, 2008 9:53:22 GMT -5
Normally for most propliners, short field takeoffs use only about 10 degrees (1 notch) greater flap deployment, not full flaps.
I can post the conversion instructions on Monday; I don't have them on this computer.
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FS2002
Aug 23, 2008 15:09:03 GMT -5
Post by Hans Verheij on Aug 23, 2008 15:09:03 GMT -5
Commander31, what about your trim settings ? Also this can keep your plane on the ground.
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FS2002
Aug 23, 2008 17:26:36 GMT -5
Post by Tom/CalClassic on Aug 23, 2008 17:26:36 GMT -5
You should be using a trim setting of at least 1 mark above zero, and ideally if the plane has handling notes follow those instead.
The trim will be at zero when you load the plane, and you won't get off with that.
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Deleted
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FS2002
Aug 24, 2008 5:13:51 GMT -5
Post by Deleted on Aug 24, 2008 5:13:51 GMT -5
My settings are all default
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FS2002
Aug 24, 2008 6:18:57 GMT -5
Post by johnhinson on Aug 24, 2008 6:18:57 GMT -5
My settings are all default I think that is exactly the point people are making. Aircraft with realistic FDEs often need trimming up for take off, this can range from a lot to a little. The default of zero is often not correct. As Tom has said, there are differences between FS2002 and FS2004 FDEs, and this may be accentuated by this although the differences aren't huge and I doubt they would stop you getting a plane off the ground. The conversion can be done but it requires rolling your sleeves up and making calculations and conversions. I think your problems are probably a combination of lack of trim, and too much fuel and weight. If you can tell us which aircraft you are having trouble with, there may be somebody here with experience of it. Generally speaking, if there is a FS2004 equivalent aircraft, I copy the FDEs across per Tom's notes in another thread as that is a lot easier. John
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FS2002
Aug 24, 2008 7:32:01 GMT -5
Post by Adrian Wainer on Aug 24, 2008 7:32:01 GMT -5
Hi I have used FS2002 aircraft [ without modification ] on a number of instances in FS2004 and didn't have a problem in flying them, the only problem I have ever encountered would be sometimes an aspect or a number of aspects of their structure would display oddly. Also an issue is that, with a number of aircraft of the prop-liner generation they had very little excess power available to take off at max take off weights, so if you do not set the correct trim you are likely to never get in to the air. And even at lower weights with an incorrect trim e.g. a trim set to too low one can get in to the situation the aircraft has got its rear wheels off the ground and the aircraft is speeding along the runway with the nose wheel on the ground and the aircraft pointing down. Further setting full flaps is not a free lunch in that, whilst an aircraft with fully extended flaps does generate more lift than an aircraft with partially extended flaps it also generates more drag than an aircraft with partially extended flaps, so it very possible that any advantage of being able to take off at a lower speed by using full flaps is lost by the fact the drag incured through the use of full flaps is reduceing your ability to reach such a speed. Also [ except in an emergency ] aircraft should never be flown outside of their correct trim, to do so defacto invalidates their Certificate of Airworthyness in that the C of A is issued on the basis they are flown within the relevant trim settings.
Best and Warm Regards Adrian Wainer
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