Author Topic: Post-take off control ploblems  (Read 908 times)

SatanasSatanas

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Post-take off control ploblems
« on: February 08, 2000, 07:43:00 AM »
After I take off the plane suddenly starts spinning wildly without any joystick input. Then I usually crash just after the runway. I thought at the start the program was getting wrong joystick inputs, but in the view from behind you can see there are no inputs, the rudder is centered and all flight controls in zero position.
I use a CH-Flightstick Pro with the standard throttle wheel.
Please help.

Offline Rocket

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Post-take off control ploblems
« Reply #1 on: February 08, 2000, 01:51:00 PM »
Be sure to calibrate your stick in windows then in the game.  At the Joystick screen see if you stick is spiking at all.  This is what it sounds like to me.  You may need to adjust the dampening abit to cure it or the calibration may be able to fix it.  

Hope that helps.

Rocket

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Offline mx22

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Post-take off control ploblems
« Reply #2 on: February 08, 2000, 03:12:00 PM »
Might it be torque spinning your plane? During takeoff, as you rolling on runway, your plane will be turning to one side. Make sure to apply needed amount of opposite rudder to keep your path right. Don't apply a lot right away, do you it slowly or plane will drop the wing and you'll crash. Also right after you got airborn, immidiatly apply left(right) pressure on stick to counteract torque effect which makes your aircraft to suddenly roll to one side. As you gain speed, control will get much easier.

Hope this helps,

mx22

SatanasSatanas

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Post-take off control ploblems
« Reply #3 on: February 08, 2000, 04:13:00 PM »
Thanks so far,

I know it's not a joystick calibration problem, because the input lines on the test screen are all optimum.
It does sound like that torque problem although I don't understand why a plane should go completely out of control while taxiing on the runway. I center the rudder every time before I start, and also try to stay in straight line by gently applied rudder, but some planes, like the F4, are almost impossible to get off the runway. It works for some planes (B26 or Mustan) though.

Satanas

Offline Pyro

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Post-take off control ploblems
« Reply #4 on: February 08, 2000, 05:02:00 PM »
Sounds like you may be groundlooping.  You need to feed in rudder control to keep the plane moving straight.  You can use the slip indicator on the gunsight to help you.



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Offline bloom25

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Post-take off control ploblems
« Reply #5 on: February 08, 2000, 05:05:00 PM »
During takeoff in an f4, you have got to keep the tail on the ground, or the plane will suddenly flip over as soon as you get to around 120 mph.  A single notch of flaps helps too.  Also, right after take off, use autopilot angle (shift x) to reset your trim from takeoff settings this will eliminate the rolling tendency and bounciness.

bloom25
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Offline Rocket

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Post-take off control ploblems
« Reply #6 on: February 08, 2000, 05:17:00 PM »
On the f4 let it fly off the ground so to speak.  I use only Right rudder and let it slide back to the left. As soon as I try to correct with left rudder the torque takes over.  Just try to keep the ball centered or just a bit to the right and about 120-150 IAS gently pull back on the stick, once lifting get those drag inducing gear up and you can hit shft or alt X to get the trim centered up quick.  
You will notice on the planes that as soon as the tail comes up less rudder is needed to maintain straight flight.  On planes like the p51 you can nose down a bit on the rollout to help get the plane in a lvl attitude.  

If ya need I will make a couple of quick films with take off and landing on them  


Rocket

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Offline Lephturn

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Post-take off control ploblems
« Reply #7 on: February 08, 2000, 06:25:00 PM »
The spit has a tail-wheel bug I've heard, so if that's what you are trying to launch in, it's a bit of a handful at the moment.

I fly the F4U, which is always a bit of a monster with all of that torque.  I roll smoothly on the throttle and use right rudder only to keep it mostly straight on the runway.  Once I get it to about 150 Mph, I simply engage auto-trim for speed and go to the fridge for a beer.  The auto-trim will lift you off smoothly and do your climb-out for you.

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SatanasSatanas

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Post-take off control ploblems
« Reply #8 on: February 09, 2000, 03:31:00 AM »
Thanks for the help, guys. I haven't tried all your advice yet, but I'm sure it'll work.

SatanasSatanas