Re: [Flightgear-devel] basic flight dynamics

2009-12-12 Thread Ron Jensen
On Sat, 2009-12-12 at 07:29 +, Ron Jensen wrote: On Fri, 2009-12-11 at 10:44 -0700, John Denker wrote: But there may also be issues with the prop efficiency at ultra-low airspeed (high blade angle of attack). Low blade angle of attack? Increasing airspeed increases blade AoA

Re: [Flightgear-devel] basic flight dynamics

2009-12-11 Thread Anders Gidenstam
On Fri, 11 Dec 2009, John Denker wrote: Anybody who is tempted to look at this is reminded of the output ... /output section at the end of c172p.xml I have sometimes found it useful. Does anybody know if/where this feature is documented? It is documented in section 3.1.11 (starting at page

Re: [Flightgear-devel] basic flight dynamics

2009-12-11 Thread John Denker
This reduces by an order of magnitude the amount of adverse yaw _in cruising flight_ in the c172p. This is much more realistic. There is still a ton of adverse yaw during slow flight. commit 74e59d6c9fb1eca08fb446c26c7b5d873c45b0ea Author: John Denker j...@av8n.com Date: Fri Dec 11

Re: [Flightgear-devel] basic flight dynamics

2009-12-11 Thread Ron Jensen
On Fri, 2009-12-11 at 10:44 -0700, John Denker wrote: On 12/03/2009 10:18 AM, Stuart Buchanan wrote: I took the opportunity to check the PoH against the simulator experience. While I didn't go as far as getting the OAT exactly right, the errors I came across were fairly signficant (using