The SU-37 should be regarded as experimental and I did it primarily to see if I could reproduce some of the aerodynamic properties and behaviour of the real-life vectored-thrust/canard equipped SU-30 series aircraft in YASim. For the most part, I felt it was successful but there are some serious outstanding problems with it. >From the FDM point of view, the canards are fixed - the INCIDENCE control just doesn't seem to work with mstabs or vstabs, so although the animations are ok, there is zero aerodynamic effect from changing the canard incidence. The thrust-vectoring also needed a slightly dodgy work-around to be able to pitch the thrust up as well as down - I had to rotate the nozzles through 720 degrees and then use the src0, src1, dst0, dst1 tags to map the normalised -1,1 range to center and rotate the nozzles +/- 15 deg around the 360 deg point - this is < elegant. Finally, it also needs a much better/more usable FCS than it currently has, so without an awful lot of work, it can't be regarded as a candidate for inclusion in the base package.
However, apart from the poor FCS and lack of a cockpit, the FDM and 3D model would make a good basis for an SU-27, where the canard and thrust-vectoring problems wouldn't apply. The 3D model was actually done from an SU-27K drawing (which has the canards but not thrust-vectoring), so with the addition of an arrestor hook it would be a legitimate aircraft for carrier landings (canard issue notwithstanding). Note for modellers: There are slight differences in wing area and tailfin configuration between the various SU-27/30 series aircraft but while the different tailfins are easy to do, getting info on the exact differences in the wings is difficult. LeeE On Sunday 05 October 2008, Ummon Karpe wrote: > I would love to see the Su-37 in the base release. However, it > seems like it still needs some work. What is your opinion? > > -Ummon > _______________________ > > On 5 Oct 2008, at 09:13, Durk Talsma wrote: > > So, with these criteria in mind, what would be your current top > > 10 of aircraft? > > Before the debate gets too details, there intention was (and > still is, I think) to have at least one aircraft from the > following categories: > > - the c172 > - another light, GA single (eg, the cub, or maybe a more modern > single-engine, like the piper archer) > - a piston driven twin (senea, c310, etc) > - a turboprop (eg, the b1900d, or Dh-6) > - a WW2 era fighter (p51d, spitfire, one of the japanese > fighters) - a heli > - a transport class jet (737, A320, 777ER) > - a glider > - a modern fighter (f16, f14, SU-37) > > That's eight straight away, which are basically fixed, to 'prove' > to new users that FG can handle all those classes of vehicle. Ten > or twelve seems like a good limit - eg add a biz-jet (One of the > citations being the obvious candidate) and then there's loads of > 'cool' planes - the Osprey, Concorde, the WW1 era fighters, and > so on. > > I'll leave it to Durk to pick a base package size based on the > current aircraft selection, but people should be thinking along > these lines when picking aircraft. The decision isn't how good > the F18 / F14 is, it's whether it's better than then F16 / SU-37. > Similarly, the 777ER verses the A320 or 737. And so on for each > class - though in some it's easier, the Bo-105 is probably the > clear winner for the heli, and the b1900d in the turboprop > segment. > > There's also good arguments for including one 'show-off' aircraft > in the base package - the the SR-71, Concorde, the 747-400 or > A380, so people get some 'wow' factor without any install / > download hassles. Particularly if someone wants to script a demo > mode with Concorde taking off over the Golden Gate from KSFO or > similar. > > Regards, > James ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
