On Mon, 17 Oct 2005 01:49:52 +0930, George wrote in message <[EMAIL PROTECTED]>:
> On Sun, 2005-10-16 at 22:15 +1300, Dene Maxwell wrote: > > Just an observation that may be of interest; > > > > I can fly approx 1500Nm over water at 300kts and not have a > > problem... reasonable graphics and even land successfully (any > > landing you can walk away from is a good landing!!!). > > > > I can't fly approx 400Nm at 300kts over land without the aircraft > > crashing about 300Nm into the flight. > > > > Some background > > NZWN (Wellington International,NZ) to YSSY (Sydney-Kingsford-Smith, > > Australia) 1484NM in a A10 Thunderbolt at 300kts cruise... flight > > goes great. > > > > YSSY (Sydney- Kingsford-Smith, Australia to YBBN (Brisbane > > International, Australia) 410NM in either an A10 Thunderbolt at > > 300kts or Cessna 310 twin prop at 180kts crashes at about the 300NM > > mark. > > > > Interestingly I can fly the A10 from YSSY out to sea, then due north > > to parallel to YBBN then line up for a landing no problems, total > > trip is about 500NM. > > > > The problem seems to be triggered by flying over land for a > > prolonged period. In all cases the majority of the flight is > > undertaken under AutoPilot control at variably 5,000 to 10,000 ft > > ASL. > > > > I have tried reducing the screen resolution from 1280x1024 to > > 800x600 but it makes no difference. > > > > The platform is a 1.8Ghz P4, Windows Me, 256M RAM, nVidia GeForce2 > > MX/MX400 video card (32Mbyte). ..this below assumes you _are _ on FG-0.9.8. ..your box is good enough to run a Knoppix Live CD Linux on, to check and verify your findings: http://knopper.net/knoppix/index-en.html Just pick a mirror and follow the advice given in the Knoppix and Debian sites, you only need the CD, the DVD just adds another coupla Gigs of neat stuff. ;o) ..install flightgear into the live cd (or dvd) system, and fly those same routes, it'll download whatever it needs as you run it. ..then wipe out the downloaded scenery files, and "mount -v /mnt/hda1" and find your current scenery files and link those to the same place you wiped out the downloaded scenery files, with this 2 line command: "ln -sv /mnt/hda1/FlightGear/Scenery/ \ /usr/share/games/FlightGear/Scenery/ " and re-fly the crash trips. > You didn't say which version of FlightGear you are using. > > Using Flightgear CVS, I flew from NZWN to YSSY as you suggested and > apart from noting a missing tile (known bug usually due to an airport > lying across a tile boundary) I didn't have any problems. > > YSSY to YBBN: > I started flown this route and 300nm out from YBBN , I'm still flying. > 300nm from YSSY, still here... Preparing to land at YBBN... Not the > best landing but still down in one piece. > > A couple of possibilities > The mostly likely cause is that you have found a bug in 0.9.8. > FlightGear 0.9.8 has a few major bugs here and there. Solution: You > can either upgrade to CVS (a tricky task under windows which involved > installing cygwin) or wait for version 0.9.9. > > The other (albeit unlikely) possible is that it is something in your > hardware or software set up. > > Could someone with similar hardware and OS comment on this cross > country flight? My hardware doesn't match what Dene is using. (I am > still thinking that the problem was to do with a 0.9.8 bug) ..and it could be a Wintendo bug, so lets chk out what we _can_ chk out, FlightGear and scenery files. We have md5sums for whatever FG Dene has? _Could_ be his FG install has been tampered with. -- ..med vennlig hilsen = with Kind Regards from Arnt... ;o) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
