View Full Version : Default 747 400 Too Heavy?????
kenpalm
02-15-2002, 03:31 PM
Someone in the Tip Library recommended that the weight settings on the default 747-400 be changed from 40000 to 400000 to give a more realistic performance and fuel consumption rate. I tried it and there was some improvement in the takeoff and climb. However on decent it fell like a bomb.
Has anyone else had this experience?
Kenton
windshear
02-15-2002, 10:25 PM
Yes I did and no one in the forum replied back on their experience...
I made my first nervous flight in FS2002 from KJFK-CYVR carefully planned and everything, when on approach to CYVR I hit a snow storm and bad wind gusts and I stalled, right in the middle of hmm well a normal "fast" descent,
Then I changed the settings as you did to 400 000 and did a test flight. The climb, cruise and taxi was great, but slowing the beast down seemed like impossible, and when applying flaps 5 and holding 180-200 KIAS I stalled, not like a real plane does, no it seemed as if the ground came to the airplane, it was that dramatic and fast!
I haven't tried the 747 since, but I want to...
There is a slight chance that the guy who wrote the advice was wrong, so we can change it back, but will it prevent the stalls?! I do not know!
Oh yeah BTW the rocking or sailing or what ever it does in cruise, that always catch the attention of the controllers, is not there when you change the settings to 400 000, but the other things are there?!
Strange strange but you know what, I don't think we'll get any answers or explanations from others in here, so I'll have a try and see what the heavy is like now.
Well good luck in handling your plane nicely...Windshear...Copenhagen...
"If God had intended for man to fly-
He would have made it easier to get to the airport"
http://www.ntsb.gov/Graphics/Icon/sm_seal.GIF
kenpalm
02-16-2002, 03:54 PM
Thanks at least I am not alone.
Happy flying
vfr150
02-16-2002, 04:11 PM
Have you tried a figure somewhere in between ie: 200 000?
I figure that 10 times the original weight is somewhat of a hike, so try somewhere in the middle and go up, or down from there.
I haven't tried it personally, so I wouldn't know....but I wouldn't know what a 747-400 really handled like anyhow!! :-)
pacallen
02-16-2002, 04:20 PM
Max takeoff weight for a 747-400 is 875,000 lbs so I don't think 400,000 is too much (Unless that is not including fuel etc).
http://www.boeing.com/commercial/747family/technical.html
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