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Arming speedbrakes in preparation for landing

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I find that sometimes the speedbrakes deploy at touchdown and sometimes not. More often not.What is (in detail please) the proper way to arem speed brakes so that they always deploy properly at touch down?ILS(I find that when doing an aoutoland with 2xA/P and autoflare the aircraft - despite the correct approach speed and properly entered data into the FMC - lands *very* smoothly, first touching its main gear very lightly and then again touching down. Perhaps is the autoland landing the aircraft a bit too smoothly, hence the speedbrakes not sensing it is a real landing and not deploying accordlingly?)

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I also find the landing very smooth but the speedbrakes have always deployed when armed in my case. I set my approach speed on the FMC normally at the 30

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>the short of it is: >>-> arm speedbrakes on approach and set autoland to 1 (or more>if you need it).>>Hope this helps, and if I am waAAAAy off the mark - I never>mind a gentle correction :-)>>cheers,>Ronnie>>http://ronnie.vandelaak.com/baw644.gifAutobrakes are not necessary for autospoilers, but an idle throttle IS.if you've got an external throttle, be sure it's at idle when you're touching down. Otherwise what happenes is when the autothrottles disconnect at touchdown the sim samples your throttle controller and sets the sim throttles to match.Opening your throttles once on the ground causes spoiler retraction and autobrake disconnect.

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Tim, that could be a good call. If you are one who is seeing the aircraft creep at idle throttle on the ground with the brakes applied, you might have throttle calibration issues. I don't know how sensitive PMDG's logic is, but if it sees non-idle throttle, it could definitely interfere with spoilers as well as autobrakes.Try this: on the ground external throttle at idle, what N1 do you see? Now disable the external controller, push F1 to go to idle, and do you see a lower N1? If you do, your external throttle calibration is not supplying the idle values to FS.Lee Hetherington (KBED)http://www.precisionmanuals.com/images/betaimg.jpg

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Lee,=======================On ground, idle: N1 showing 21.1Pressing F1: N1 shoing 20.4Moving sidewinder joystick thrttle up and bit and then down as far as possible: 21.1%Pressing F1: 20.4%=======================ILS

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When I autoland and right when it auto-retards throttles, I disengage A/T and press F1 (meaning hopefully that I will now *really* have pulled back throttle to idle), then speedbrake/spoilers deploy properly and I can autoland *with* deployed speedbrakes which I could do before.OK, so now it seems we know the mechanisms of why my speedbrakes did not deploy.What would be the proper way of dealing with the phenomena here? Now there's a workaround, but it's not a simulation of the real 737NG anymore...Is there something with my FS2004 setup I should go over? Or is this a PMDG 737 NG issue?The autolanding was absolutely beautiful, amazing work my Precision Manuals I must say!ILS(Nose a bit high, needs help down, and if yoke isn't under supervision, nose tends to want to go up again, until well below 85-90 knots - otherwise - perfect.)

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Even better, you can directly monitor the joystick input and output values by selecting the Joysticks tab in FSUIPC.RegardsBob ScottATP IMEL Gulfstream II-III-IV-V L-300Washington, D.C.

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I have asked you already sir, please sign your REAL NAME to your posts, thank you! "When I autoland and right when it auto-retards throttles, I disengage A/T and press F" You do not need to turn the A/T OFF, it switches OFF on it's own just like the real bird in autoland *DUAL*..[h4]Best Wishes,Randy J. Smithhttp://www.precisionmanuals.com/images/betaimg.jpg

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