Hi Geoff i guess you are seing something like that:
http://www.youtube.com/watch?v=VWn6_RFp97Y where this is the closest you can see the following plane, but in fact he see itself very close to the drogue and what you want is like this: http://www.youtube.com/watch?v=kGHRDrc_n98 you should have a look at this page, wip but working fine for the few pilots testing it : http://wiki.flightgear.org/Mp-patch basically the mp sending rate is fine with 10 pps, but you need a way to compensate for the lag. I can't try a refuel with you before this WE, but i will if you are still flying the victor somewhere. jano > NOTAM: > > To flyers who fly 'probe' enabled aircraft in Europe... or > even if NOT... > > I will be flying the 'victor' refueling tanker for the next > few days from KFPY, south 180 track, then turn around at the > southern mountains, north on 360, at 12,000 feet – FL120 > STD QNA – and am interested in 'hot' flyers who want to try > air-to-air REFUELING (AAR) in suitably equiped aircraft, > well ANY aircraft... > > The tanker will maintain, under autopilot, 220 knots (KTAS), > at the said 12,000 feet, either 180 or 360, under the callsign > GA006. > > The flights will commence about noon, or before, UTC, and > close about 20:00 UTC. > > The track can be followed using http://test.fgx.ch, or other mp > map URLS. Click on 'GA006' to localize... > > Reason: > > (a) I have tried with several aircraft over the last few days, and > learned that this is QUITE difficult, but I hope NOT impossible! > > (b) The present suggested pps (Hz) is 10 when you set up –multiplay=, > but FG 2.11 has fill-in extrapolation code when fgfs packets > do not arrive in time, so maybe this is too high. This is the basic > question... > > So the idea is to reduce this IFF this fill-in code helps, ie does its > job... > > The theoretic idea is that with this code we can reduce the > bandwidth used by 10 Hz to perhaps 2-4 Hz, but this needs > to be FULLY tested, and confirmed... > > Now I have tried this over several day, in several aircraft – > A-10, f-14b, a4 and failed, FAILED to touch the trailing > drogues... it is TOUGH... autopilots help you get to the 'zone' > but it needs manual flying to get to the RIGHT PLACE... > > If you are using a joystick maybe you need to even adjust > the dead spot and the 'sensitivity' of the inputs... lots of > learning, understanding and doing fgdata xml changes... > > And I have had a few pilots joining in ad hoc, but so far > no one has actually contacted with the trailing outer wing > drogues... The 'victor' can refuel 2 aircraft at a time... and I > would LOVE to see/capture that... > > One, french I think, got so frustrated at his attempts, began firing > missiles at the tanker. Thankfully, he MISSED, but was CLOSE ;=)) > > Also if you alert me to your attempt to refuel from my tanker, via > mp chat, email, fgcom, … AND I am on board at the time -: > > (a) I will offer a VIRTUAL bottle of good Bordeau rouge to the first > pilot who maintains drogue contact for say a minute, or more ;=)) > > (b) I will take some screen shots and post them. > > Be warned, during a screen shots (F3), fgfs stops sending mp > packets for up to a second or so, and in the close fgfs the fill-in > (extrapolation) code is activated, with some interesting, and > sometimes quite alarming effects... > > Also I have heard others mention that the live metar update can > also cause mp packet delays. The tanker will be flying under the > 'Fair weather' scenario to avoid this. Maybe you should choose this > as well... > > I really seek help from other pilots to analyse this multiplayer > bandwidth situation. We have chosen 10 Hz, but WHY? > Can less than 10 Hz be used with no adverse effect? That is > the BIG question... > > Simply, what really is the optimum packets-per-second (pps) rate? > Maybe it changes depending on circumstances... > > We know the lower the Hz the lower the bandwidth used by > FGMS servers... but can the extrapolation code fill-in for > the missing packets? > > Is 10 Hz good? Should it be higher, or lower depending on > circumstance.. Lots to learn... > > Of course I am sure there are OTHER ideas... > > Hope you can help, and have some FUN at the same time;=)). > > Look forward to seeing you on my rear view... and I will > take some pics... > > Regards, > Geoff. > > CC: to users list... > BCC: to others... > ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
