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Author
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Topic: Ailerons detach but wing still has control surface
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Raider
Pilot
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posted 02-14- 05:57 PM
   
I can shoot off both ailerons and the plane will still roll with stick input. I made sure that the coupling of the rudder and ailerons is off so the roll is not induced by the rudder.I tried to make it a obExec/Func and set the airMax to 0. I tried to change the airControl and airObject. None of these things have worked when the ailerons detach from the wing. I know the obExec/Func worked because I tested it by adding smoke to the wing if the aileron was shot. Any suggestions? IP: Logged |
bjorn
Pilot
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posted 02-14- 06:28 PM
Ah, I fought this struggle some time back. The unfortunate answer is that you cannot alter those air* at runtime. Some things you can alter, like wing area, but not others, like airMax.However, there's a way. SV is the king of this trick. Use a replacement model, say LWTipNoAileron. When you reach the point where you scrap the aileron, you switch in the LWTipNoAileron model as a replacement for the original LWTip. Check SV's great tutoarials, and do examine his aircraft for how to do it.
_
/Bjorn. IP: Logged |
Raider
Pilot
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posted 02-16- 10:51 AM
Bjorn, I still do not see it. I looked through the info at Sv's site and checked the SE5a and Albatros. I do not see how it is done.Can you or SV be more specific. I think it is very important for this to be accurate in WW I. Most pilots crashed because of control failure, and engine failure/fire ... or getting shot. Please help me here. Raider {GS} [This message has been edited by Raider (edited 02-16-2000).] IP: Logged |
Yardstick
Pilot
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posted 02-16- 11:03 AM
As they did in W.W.II. Catastrophic structural failure was actually rather rare but it is the only way to get a kill in SDOE  ------------------
Yardstick painted this
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Sv
Pilot
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posted 02-16- 11:13 AM
Hmmmm...Model replacement does nothing but replace one mesh with another - it has no effect on any FM/DM stuff. When my Albatros loses the top wings it has no aileron control because the bottom wings are aileron challenged  I would have thought that shooting off the ailerons would eliminate the use of the airfoil up/down charts... I guess not Here is a hack fix: Leave your normal wing where they are, but remove the aileron children and the trailing control surface props from it. Now create 2 new wings that use your aileron LOD - make these wings hidden. Hidden objects still receive damage. Now add your ailerons as children of these hidden wings. Now set the FM up so hidden wings add little to the main wing FM of your plane, but push the control deflection to the max to get the aileron to function correctly. Now add the 2 new hidden wings to the wing list of your plane. Now when these get shot off, you will lose aileron control. I would think that this is too big a hack to use in any practical way. It messes with the FM too - makes it harder to get the wing v/ aileron FM correct. So this issue effects all the shipping planes as well? That is too bad... this sounds like a fix is needed: don't use the up/down airfoil charts if there is no aileron child on the wing. ------------------
-Sv =FC=
WWI in SDOE!
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Raider
Pilot
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posted 02-16- 01:56 PM
Thanks guys. Sv, I will give that a try. Too bad this is such a long way around, but I don't see any other way. Yardstick. What do you think the probability of disabling the control surfaces (ailerons, elevators and rudder) were in WW I? Should this be easier or harder than engine damage? Thanks again. Raider {GS}
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Whirlwind
Pilot
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posted 02-16- 02:49 PM
I thought that MH had once posted that hidden airfoils still affect flight dynamics. IP: Logged |
Sv
Pilot
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posted 02-16- 03:50 PM
Yes, hidden airfoils WILL effect FM.That is why this way can never be 100% correct - you need to model part of the wing in the main wing, and part of the wing as the aileron parent. It would work though. In fact, when the aileron is shot off you SHOULD have less working wing area anyway. The bad thing is that the aileron effectivness is based as a percentage of the wing effectiveness - the hopw is that if you magnify the aileron airmax and stuff, you could get away with a very small area on the aileron parent hidden wing... -Sv IP: Logged |
charmstar
Pilot
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posted 02-16- 05:20 PM
similar idea to SV's, but why couldn't you just remove the ailerons from the wings, add them at the root level (or whatever), and declare them as wings. Then you could make the actual wings have no control surfaces, while the ailerons would have a small airfoil (actually kind of realistic right?), and would properly detach control surfaces when detached.
There is a similar principle behind the Bleriot XI I'm building. For the Ble, there are no ailerons, instead the wings each have an aileron DOF, and have their control surface being itself. It works with no problem for the bleriot, but of course you are talking about making an aileron a wing, while I'm making a wing an aileron.charm IP: Logged |
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