Operating charts

[Guest altack]

Hi Guys,do you know if someone already made operating charts for the MAAM-Sim R4D-6 and DC-3 ?I have the one published at the end of the actual flight manuals but I was wondering wether charts for the simulated aircrafts where existing.I'm looking for the charts with fuel consumption vs weight and altitude so as to plan for long cross country flights...Thank you in advanceFrancois

[rambow 0]

Hi Francois,None that I know of, but if anyone has, it would be the guys at DC-3 Airways. How about it, Mark?Bill RambowMAAM-SIM http://www.fssupport.com/maam/maamsim_neon.gif

[Dark Moment 0]

I'm a bit confused. Why can't Francois just use the real world performance charts? Francois, Rob Young burned many a candle making sure that the MAAM-SIM flight models were "as real as it gets given the inevitable limitations of MSFS2004".MarkMark "Dark Moment" BeaumontVP Fleet, DC-3 AirwaysTeam Member, MAAM-SIM[a href=http://www.swiremariners.com/cathayhk.html" target="_blank]http://www.paxship.com/maamlogo2.jpg[/a]

[Guest altack]

Don't worry about the superb Rob Young's flight model : I'm testing MTOW performance at 33.000 lbs (and also 31.000 lbs for the time being). The fuel consumption figures are pretty close to the real ones (for exemple, climbing to 5000'

[Dark Moment 0]

<<<<<>>>>>>>>Most interested, yes, thank you.As a semi-official add-on for the MAAM-SIM package, I am slowly - very slowly - putting together the life of one famous C-47/DC-3, "Betsy". We're just at the point in developing the key flight plans of her life (53 done so far, many more to go) where she will depart Natal, Brazil with a TO weight of 33,000lbs to fly to Ascension Island in the Atlantic and then on to Africa. This is all part of her positioning journey from New York to Shanghai when buccaneer Roy Farrell bought her in 1945 and went on to create Cathay Pacific Airways in Asia. Her weight is made up of cargo and extra fuselage fuel tanks for the trip, so fuel is not really an issue; but I would certainly be interested in your findings myself.Finding Ascension Island after eight hours in the air with only a sextant and ded reckoning will be another story! "Betsy" had radio range equipment and a radio compass, but no VOR/DME or anything so modern. I will be modifying her panel accordingly.MarkMark "Dark Moment" BeaumontVP Fleet, DC-3 AirwaysTeam Member, MAAM-SIM[a href=http://www.swiremariners.com/cathayhk.html" target="_blank]http://www.paxship.com/maamlogo2.jpg[/a]

[Guest altack]

Hi Mark,here comes as an attached zip file the climb data.With the actual flight manual for the R4D-6 (AN 01-40ND-1), you can find in the Appendix 1 the Take-Off, Climb and Landing chart.I reenacted the climbs with differents Take-Off Weights and noted the data.Firstly I used normal climb power but then I found out that the data shown on the manual were based on METO power all the way to the cruising level. (always read the small lines, just as with every life insurance contracts ;-) )Since there is a 45 US Gal. fuel allowance for warm up,taxi and take-off in the chart, I added this allowance to the fuel consumption I found (i.e. Usually I used only 5 gallons for taking off, so I addded 40 to all used fuel figures I got when checking 5000', 10000' and 15000').I used the Auto pilot and let the IAS slowly decrease with the density altitude.So how's virtual vs real ?With normal climb power the fuel consumtion is pretty close to the real deal but the time to cruising level way off the mark.With METO power climb the time (and rate of climb) sticks to the manual but fuel figures are well below what it should be.I plan now to test fuel consumtion and speed performance with two settings (33"/2550RPM and 31"/2250RPM) at FL50, 100 and 150 with Gross weight ranging from 33000lbs to 19000lbs.Still interested ?Best regards,Francois

[Dark Moment 0]

>I plan now to test fuel consumtion and speed performance with>two settings (33"/2550RPM and 31"/2250RPM) at FL50, 100 and>150 with Gross weight ranging from 33000lbs to 19000lbs.>>Still interested ?Always interested, Francois, always interested. Good stuff.Are those cruise settings of yours out of the book? If they are, I guess it's like reading the performance specs of a new car ... it will go from 0-60 in 4.9 seconds in ideal conditions, but for how long before it blows up? And when do you ever actually get to do that anyway?I guess that the military used to drive the old girls pretty hard, usually overloaded too. Figures I'd also like to see would be those more typically representative of a C-47/DC-3 flying today ... say, 30"/2050RPM max. One of our inhouse DC-3 owners at DC-3 Airways runs his at less than that, for sure, to nurse his engines, longlevity being more important to him than speed! Can't remember offhand exactly what he told me but it was something in the range of 27"/1800RPM, I think, giving him about 125KIAS with 6,000lbs of cargo aboard.MarkMark "Dark Moment" BeaumontVP Fleet, DC-3 AirwaysTeam Member, MAAM-SIM[a href=http://www.swiremariners.com/cathayhk.html" target="_blank]http://www.paxship.com/maamlogo2.jpg[/a]

[Guest altack]

These settings are out of the manual (column II and IV). I found that the middle setting (column III : 32" 2400 RPM) doesn't make any diference with the forth column figures (same speed, same fuel flow).I'm pretty sure nowadays real DC-3 users are more gentle with the throttles !Anyhow, if you plan to fly over the pound the old way maybe these settings are more "realistic". It will be great fun to plan such a trip, will you use the bubble sextant ?

[Dark Moment 0]

Mais oui. There is really no other way to do it. Ded reckoning for eight hours is a little bit scary otherwise. Ascension Island is pretty small ...I'm not one for sitting in front of the computer for eight hours, I have to say. So when 'Betsy' flies this flight for the first time in flightsim, I will be using FSNet with a colleague so that we can share the cockpit and flying. That way we will be able to take breaks without cheating.And confer with each other ... nay, argue, probably ... about those elusive sextant fixes ...MarkMark "Dark Moment" BeaumontVP Fleet, DC-3 AirwaysTeam Member, MAAM-SIM[a href=http://www.swiremariners.com/cathayhk.html" target="_blank]http://www.paxship.com/maamlogo2.jpg[/a]

[Guest altack]

Well if a jumpseat is available, I would'nt mind to argue with both of you ;-)Cheers

[Dark Moment 0]

Ha!In theory, it should be possible, but I've never got OBSERVER mode to work in FS9 multiplayer, whereas it worked fine in FS2002. Know anything about this?That would be the only way to get in the cockpit. Otherwise, our comms are always on Teamspeak, of course, so audio is no problem; but you'd have to be tagging along in another aircraft in multiplayer to share the visual experience, I think.MarkMark "Dark Moment" BeaumontVP Fleet, DC-3 AirwaysTeam Member, MAAM-SIM[a href=http://www.swiremariners.com/cathayhk.html" target="_blank]http://www.paxship.com/maamlogo2.jpg[/a]

[Guest DC3 Pilot]

Hi Francois,I'm very interested in the zip file, but it seems to have been removed (that's the message I receive when I attempt to download it). Any chance of re-posting it? I'm working on a double circumnavigation of the globe in the MAAM-Sim DC-3 cargo plane (BEA). Many thanks.Gary

[Guest altack]

Hi Guys,thanks for your interest. The cruise data are along this post and I posted again the climb data as well.Happy landings,Francois