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FM/DM threads Everything about FM/DM in CoD

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Old 05-31-2011, 05:02 PM
jojovtx jojovtx is offline
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Very cool that it is a feature. At the risk of sounding like a Fanboi we got to think that if they take the time to detail the trim control cable separately that it must be incredibly complex to make a single change to the code without effecting countless other details.
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Old 05-31-2011, 11:46 PM
IvanK IvanK is offline
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In the case of the 109 the trim wheel moves the horizontal stab not a tab on the elevator surface itself. A damaged Elevator cable would result in most cases of the elevator surface "streamlining" itself. If that was the case and the Trim/stab controls were undamaged then pitch control via trim (via the stab) might still be possible.
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Old 06-01-2011, 04:07 AM
JimmyBlonde JimmyBlonde is offline
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This is an excellent feature. I always loathed the lack of redundancy in the 1946 control DM modelling since trim is a separate system to the control surface itself.

+1 to the Like column for CoD.

PS. Is the trim control absent when the actual control surface is shot away entirely?
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Old 06-01-2011, 12:56 PM
drewpee drewpee is offline
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Its hard to say if its attentional or not, time will tell. It's been a bit of a cheat in the IL2 series where if you black out from high Gs you can pull up from a dive using your trim.
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Old 06-01-2011, 01:57 PM
IvanK IvanK is offline
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Quote:
Originally Posted by drewpee View Post
Its hard to say if its attentional or not, time will tell. It's been a bit of a cheat in the IL2 series where if you black out from high Gs you can pull up from a dive using your trim.
No cheat at all. If you are "Blacked out" you can still smell,touch hear and feel ... you just cant see, so control input is still possible. If you go to the G LOC stage then control input is not possible.
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Old 06-05-2011, 06:57 AM
zipper
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Quote:
Originally Posted by IvanK View Post
In the case of the 109 the trim wheel moves the horizontal stab not a tab on the elevator surface itself. A damaged Elevator cable would result in most cases of the elevator surface "streamlining" itself. If that was the case and the Trim/stab controls were undamaged then pitch control via trim (via the stab) might still be possible.

During the battle of Midway, Ensign Albert K. Earnest flying Grumman TBF-1 (Bureau # 00380 - the very first production TBF off the assembly line!) of VT-8 (Midway Island) was one of the first of the Midway launched attackers to suffer damage, among other things losing his elevator control. After leaving formation to aim at the nearest Japanese picket ship and drop his torpedo he prepared for the inevitable ditching due to the lack of pitch control and, after instinctively re-trimming for impact, discovered he had pitch control after all. After a long, round-about flight back to Midway he managed to land the second time around (He figured the LSO, still waving frantically, was just going to have to be ignored) with the right landing gear still retracted. The plane was shipped back to North Island Naval Base, San Diego where it was closely examined by Army and Navy engineers and the major aircraft manufacturers. The plane wound up in the back of a hangar gathering dust until, sometime in 1945, some "body" (a chief? an officer? who knows?) decided to scrap it during a base-wide clean-up. I hope they scored well during THAT inspection! In the link below are the pictures of this aircraft at Midway. Worth noting are the tarp that had been used to cover the body of Seaman 1st Class Jay D. Manning in the turret, damage to the underside of the wingtip caused during landing and, germane to the discussion, the position of the elevator trim tab - full nose up - pitch (actually, rate of descent) on final then being controlled by power. The German fighters, as noted by others, use a trimmable stab (just like J-3s and airliners), the 109 manually and the 190 electrically. It always bothered me how losing the controls would cause the loss of trim in the game.

http://www.history.navy.mil/photos/e...way/mid-4a.htm

"A Dawn Like Thunder" is a good book.
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