Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Ron Jensen
On Wed, 2007-03-07 at 21:54 -0600, Jon S. Berndt wrote: > > As a side note, the engine claims a displacement of 250 cubic inches and > > an output of 1300 horsepower! I suspect something isn't right. > > Aeromatic suggests a 1300 hp piston engine should displace ~2080 cubes. > > > > Ron > > >

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Jon S. Berndt
> As a side note, the engine claims a displacement of 250 cubic inches and > an output of 1300 horsepower! I suspect something isn't right. > Aeromatic suggests a 1300 hp piston engine should displace ~2080 cubes. > > Ron One figure I saw online says the displacement is about 1800 in3. Did th

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Jon S. Berndt
OK, I've got the model version 0.1 - I hope it's the latest. I'll take a look at it when I get some time. If it's something obvious I ought to be able to fix it quickly. I can set up a script to test it out. Jon - Take Surve

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Joacim Persson
On Wed, 7 Mar 2007, Ron Jensen wrote: > I hand massaged the pitch to 17/32 as in the original file, and I > lowered the diameter from 141.7 to 132 because it wouldn't start with > 141.7 as a diameter. That (132in) is the correct diameter for the AV-2 propeller. (132 inches or 3.35 meters) Source:

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Jon S. Berndt
> I'll add my vote for that something has gone awry with the An-2 recently. > I have flown it before but today it was impossible to get it to move > despite the engine running. My guess is that the updated version of > JSBSim caused the propeller definition to break (or exposed some > problem in it

[Flightgear-devel] An2 html docs update

2007-03-07 Thread Reagan Thomas
While we're on the topic of the AN-2, I revised /data/Aircraft/an2/an2.html and its associated panel.jpg to enhance readability and to avoid artifacts created by downscaling the original, large image. You may review it here: http://139.78.95.188/flightgear/Aircraft/an2/ Included at that link i

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Ron Jensen
On Wed, 2007-03-07 at 15:49 +0100, Anders Gidenstam wrote: > On Wed, 7 Mar 2007, AJ MacLeod wrote: > > > Possibly, but I'm seeing the same as Tim here now... and I had no trouble > > making it work before. I can start the engine at the first attempt, but no > > matter what I try or how high the R

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Anders Gidenstam
On Wed, 7 Mar 2007, AJ MacLeod wrote: > Possibly, but I'm seeing the same as Tim here now... and I had no trouble > making it work before. I can start the engine at the first attempt, but no > matter what I try or how high the RPM the a/c doesn't move at all. I'll add my vote for that something

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread AJ MacLeod
On Wednesday 07 March 2007 14:33, Martin Spott wrote: > Sorry, I'm not. Yet I remember that I ran into similar trouble when I > did an initial check of the AN-2 (before putting it into CVS). I had to > read the startup procedure at least twice in order not to overlook > something. Maybe you simply

Re: [Flightgear-devel] An2 problems

2007-03-07 Thread Martin Spott
Tim Moore wrote: > I apologize in advance if this isn't the appropriate list for this > question. I've managed to start the engine on the An2 by following the > supplied directions, but I can't get it to take off. It's as if the > propeller isn't developing any thrust. Are there any other quirky >

[Flightgear-devel] An2 problems

2007-03-07 Thread Tim Moore
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, I apologize in advance if this isn't the appropriate list for this question. I've managed to start the engine on the An2 by following the supplied directions, but I can't get it to take off. It's as if the propeller isn't developing any thrust. Are