Re: [Flightgear-devel] Stall horn question

2001-11-29 Thread Ralph Jones
At 03:10 PM 11/28/2001 -0600, you wrote: David Megginson writes: Andy Ross writes: On the ground, gravity holds it down (open), so the horn is off. Now there's a good practical joke -- stick the horn tab on with a bit of duct tape. As long as they remember their pilot training and

Re: [Flightgear-devel] Stall horn question

2001-11-29 Thread Andy Ross
Don Baker wrote: It isn't gravity. It is simply that only at high angle of attack conditions is there enough air to shove it upward. Ahem, shove it upwards against what force? :) At zero speed, there is zero aerodynamic force. What holds it down, if not gravity? At least on the Cherokee

Re: [Flightgear-devel] Stall horn question

2001-11-29 Thread Don Baker
The one on my airplane was spring loaded. Don Baker Andy Ross wrote: Don Baker wrote: It isn't gravity. It is simply that only at high angle of attack conditions is there enough air to shove it upward. Ahem, shove it upwards against what force? :) At zero speed, there is zero

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread David Megginson
Alex Perry writes: I just committed a new stall horn sample (finally) but I have a question. Is it supposed to be a continuous tone or is it cyclical? It is a continuous tone, for as long as the angle of attack is too high. There is no warble or anything else exciting

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread Curtis L. Olson
John Check writes: Ah.. Thats good. Then I can make a *short* sample. BTW... this is kind of replying to myself but According to the doco for SL (probably out of date but): --- class slSample: Allows you to read sound samples from disk in a range of standard formats, and to

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread John Check
On Wednesday 28 November 2001 4:54 am, you wrote: John Check wrote: - In the constructor for FGSoundMgr: FGSoundMgr::FGSoundMgr() { audio_sched = new slScheduler( 8000 ); .. } Which, if I understand it right, is setting the playback rate to 8Khz. So even

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread John Check
On Wednesday 28 November 2001 7:48 am, you wrote: Alex Perry writes: I just committed a new stall horn sample (finally) but I have a question. Is it supposed to be a continuous tone or is it cyclical? It is a continuous tone, for as long as the angle of attack is too

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread John Check
On Wednesday 28 November 2001 10:28 am, you wrote: John Check writes: Ah.. Thats good. Then I can make a *short* sample. BTW... this is kind of replying to myself but According to the doco for SL (probably out of date but): --- class slSample: Allows you to read sound

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread Andy Ross
David Megginson wrote: Alex Perry wrote: Many Cessnas have a small metal tab that sticks out of the front of the wing, at the stagnant airflow point for the desired angle of attack. Do you have to turn it off manually when you're sitting on the tarmac or taxiing slowly? It

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread David Megginson
John Check writes: Ah, hence the slow attack. Can plib put an attack envelope when the sound starts to play? We've talked about reporting stall as a double rather than a bool -- i.e. there'd be a transition zone where the stall is between 0 and 100%. When JSBSim supports that, we can rig

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread David Megginson
Andy Ross writes: On the ground, gravity holds it down (open), so the horn is off. Now there's a good practical joke -- stick the horn tab on with a bit of duct tape. All the best, David -- David Megginson [EMAIL PROTECTED] ___

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread Curtis L. Olson
David Megginson writes: Andy Ross writes: On the ground, gravity holds it down (open), so the horn is off. Now there's a good practical joke -- stick the horn tab on with a bit of duct tape. As long as they remember their pilot training and don't hurt themselves ... Curt. -- Curtis

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread Tony Peden
--- David Megginson [EMAIL PROTECTED] wrote: John Check writes: Ah, hence the slow attack. Can plib put an attack envelope when the sound starts to play? We've talked about reporting stall as a double rather than a bool -- i.e. there'd be a transition zone where the stall is

Re: [Flightgear-devel] Stall horn question

2001-11-28 Thread David Megginson
Tony Peden writes: Apparently you missed my post, I made that change several weeks ago. The JSBSim Aircraft::GetStallWarn still returns a bool, and JSBSim.cxx still treats the stall as a boolean property in some places. All the best, David -- David Megginson [EMAIL PROTECTED]

RE: [Flightgear-devel] Stall horn question

2001-11-28 Thread donald . baker
: Wednesday, November 28, 2001 2:34 PM To: [EMAIL PROTECTED] Subject: Re: [Flightgear-devel] Stall horn question David Megginson wrote: Alex Perry wrote: Many Cessnas have a small metal tab that sticks out of the front of the wing, at the stagnant airflow point for the desired angle of attack

Re: [Flightgear-devel] Stall horn question

2001-11-27 Thread John Check
On Wednesday 28 November 2001 1:56 am, you wrote: On Wednesday 28 November 2001 1:30 am, you wrote: I just committed a new stall horn sample (finally) but I have a question. Is it supposed to be a continuous tone or is it cyclical? I have the pitch and timbre matched up(although it plays