Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-17 Thread Julian Foad
David Megginson wrote: Julian Foad writes: > Ah, glad you're there. If you're interested and have time to look, my > current attempt is at > >http://www.btinternet.com/~julianfoad/fgfs/JSB_piston_engine.diff >http://www.btinternet.com/~julianfoad/fgfs/engine_sound.diff What's the

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-17 Thread Erik Hofman
David Megginson wrote: Julian Foad writes: > Ah, glad you're there. If you're interested and have time to look, my > current attempt is at > >http://www.btinternet.com/~julianfoad/fgfs/JSB_piston_engine.diff >http://www.btinternet.com/~julianfoad/fgfs/engine_sound.diff What's the

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-16 Thread David Megginson
Julian Foad writes: > Ah, glad you're there. If you're interested and have time to look, my > current attempt is at > >http://www.btinternet.com/~julianfoad/fgfs/JSB_piston_engine.diff >http://www.btinternet.com/~julianfoad/fgfs/engine_sound.diff What's the current status of these

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-12 Thread Julian Foad
David Luff wrote: It looks to me like you've got 2 too many curly brackets in doEnginePower, although I could be misunderstanding what you're doing there. Yes, I have got too many. This is the friction that was applied only when starting; I was making it permanent but haven't finished with it

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-11 Thread Julian Foad
David Luff wrote: On 11/10/02 at 4:02 AM Julian Foad wrote: Ah yes, starting, I seem to recall a lot of hacking and kludging to get everything to work :-) There's a number of problems currently: ... Have fun :-) Ah, glad you're there. If you're interested and have time to look, my curren

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-10 Thread David Megginson
Andy Ross writes: > I'd *love* to see good numbers for propeller acceleration, however. > If one of the Real Pilots out there could go out with a stopwatch and > get us graphs of RPM vs. time for full throttle acceleration and > cut-power deceleration I'd be eternally grateful. :) I don't wan

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-10 Thread David Megginson
Julian Foad writes: > Well, I suppose it needs someone to show how the two aims can be > compatible. But it's not easy; it would require becoming familiar with > both implementations and re-arranging the interfaces a bit. While > that's the sort of thing I do at work, I'm not yet in a pos

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-09 Thread Andy Ross
Julian Foad wrote: > David Megginson wrote: > > it would be nice if the engine were its own subsystem and we could > > mix-and-match engines and FDMs > > Well, I suppose it needs someone to show how the two aims can be > compatible. But it's not easy; it would require becoming familiar > with both

Re: [Flightgear-devel] Engine models: start-up and commonality betweenFDMs

2002-11-09 Thread Julian Foad
David Megginson wrote: I like the idea as well: it would be nice if the engine were its own subsystem and we could mix-and-match engines and FDMs (let's try the J3 cub with 180HP). Unfortunately, the FDM people haven't been too enthusiastic: in particular, JSBSim is supposed to run standalone as