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Weight Limitation for the 737 NGX/ The one PMDG used to simulate the aircraft

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  • Author

Hey guys, I'm a pilot student myself, and i know how to follow the steps. FMC is not supposed to do the OPS job. i want to fly this bird like a pro: so i want to know the limitations of the bird i'm flying: that's it; there is to need to argue that much. Some people here understood what i said. I anticipated the fact that only a few of you would understand this request. I'm not here to do some nice vids with the bird.... i want to handle it like a pilot: and i guess that is the reason why we are all here right! harass PMDG for years because they are late in the release schedule and now that we have a true beauty in terms of system, you guys just want to start it up like a car a take it straight to FL 410 without using your brain a little bit. Common!!! Kaman BA

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Top Posters In This Topic

I'm just saying why not use the numbers already programmed into the FMC? That should have everything that PMDG programmed this plane to be.
I find only ZFW GW and MTW in the FMC ...The OP is asking about weights which are in the in the manual, but these numbers are only the numbers for a 'basic' boeing ...You can 'upgrade' these numbers to get higher weight limitations. Some of the 'liveries' have non 'basic' boeing numbers and were upgraded to have higher weight limits.Those numbers are unknown and not in the manual or FMC ... so you can't really plan your flight with the tools and options some of the flightsimmers have

P.L. Tran

AMD Ryzen 5800x; 32 GB Ram; EVGA GeForce RTX 3090 FTW3; Win10 64 Bit

I find only ZFW GW and MTW in the FMC ...The OP is asking about weights which are in the in the manual, but these numbers are only the numbers for a 'basic' boeing ...You can 'upgrade' these numbers to get higher weight limitations. Some of the 'liveries' have non 'basic' boeing numbers and were upgraded to have higher weight limits.Those numbers are unknown and not in the manual or FMC ... so you can't really plan your flight with the tools and options some of the flightsimmers have
Thank you for explaining it to those that don't seem to grasp what the op is requesting and putting it so well....hopefully someone from PMDG will be able to supply him with the answers and the rest will stop with this pointless arguing.Failing that we might see an update for topcat that will have the figures in for us.

Regards

 

James Carr

  • Author
I find only ZFW GW and MTW in the FMC ...The OP is asking about weights which are in the in the manual, but these numbers are only the numbers for a 'basic' boeing ...You can 'upgrade' these numbers to get higher weight limitations. Some of the 'liveries' have non 'basic' boeing numbers and were upgraded to have higher weight limits.Those numbers are unknown and not in the manual or FMC ... so you can't really plan your flight with the tools and options some of the flightsimmers have
+1 my man!

BUMP

Regards

 

James Carr

bump

Regards

 

James Carr

Thank you for explaining it to those that don't seem to grasp what the op is requesting and putting it so well....hopefully someone from PMDG will be able to supply him with the answers and the rest will stop with this pointless arguing. Failing that we might see an update for topcat that will have the figures in for us.
What figures ?? The CDU's Fuel and Payload pages give you all the figures you need !It even puts them in for you if you want !! Fred.

Frederic Steiner.

B7382.jpg

the firgures the FMC doesnt specifically show - so that these can be entererd into Topcat/FSbuild profiles etc...so when determining what fuel/weight/cargo/pax etc you may choose for a specific route you can see if this will work and that Topcat wont actually then let you load more fuel/weight etc than allowed, so that when calculating a derate, it can see if possible etc etc..... Download topcat/Fsbuild for me and fill in all the figures for me please from your magic CDU and send me a screen shot of it complete...then you may understand what it is that everyone is requesting!

Regards

 

James Carr

I don't understand why you have to be so derogatory. I thought we were all adults? From my understanding the MLW and such is an option from Boeing. Why can't you use the one in the FCOM? Please don't flame me if I'm ignorant. Just asking a question. Sorry if I can't "grasp" the question because I'm so stupid to understand. Edit: Also, when original poster asked about the Max takeoff and cited 79,200 (or about) for the CDU, that is because that is the High Gross takeoff configuration. Apparently I can't link to airliners.net, but all the info is right there. Instead of fighting about why you need the information, do a quick google search for it. Make a logical conclusion that that is what the CDU is set to. So if you want to simulate not having certification for that, don't put it to that weight and use the lower 70,533. If you then enter, per the FCOM, 65,317 kg into your program as MLW, I'm sure you will be just fine. All these weights are for vanilla Boeing 737-800. If you want the EXACT weights for the specific airline, then look it up on other RW sites like airliners.net which has real pilots that talk about their company birds. That's the only way to find all this and enjoy "as real as it gets." Unless you have someone who will dress up in a flight attendant uniform and will bring you coffee when you chime her in. wink.png

Ryan Vanderbrook

PMDG_737ngx2_378x68.jpg

. That's the only way to find all this and enjoy "as real as it gets." Unless you have someone who will dress up in a flight attendant uniform and will bring you coffee when you chime her in. wink.png
I do actually - a real world one! But still doenst give me figures - airliners net doesnt give me what PMDG used for this specific ac still - such as it doesnt allow me to have 189 pax either like many airlines have - the weights are specific and cant all be gleamed completely from the FMC - with some loading and deloading you can gain some info on what PAX weights are being used etc. But for certain apps - or for building profiles it be useful to have the exact figures -as you say MLW is a certification issue - but some of the other weights are not they are an airframe issue and are reflected on what else the aircraft contains. The request is simple - not being derogatory - just simply defending the OP and the fact that everyone jumped down his throat when he made a simple request for the info - the FCOM contains a vast amount of info - as you quoted - and obvioulsy been supplied with the addon to encourage users to use the sim far more indepth than just a "game" so a user requesting to take this to the nth degree shouldnt be flamed or ridiculed otherwise we might aswell throw the FCOMs away also.

Regards

 

James Carr

I guess all what author of this topic is trying to achieve is to get aNGX profile for TOPCAT as currently there is only one, and that is for 737-800NG w/o winglets, I guess. From PMDG CDU you can get: MAX Fuel capacity - 46055 lbMAX Cargo capacity - 20000 lbMAX PAX weight - 305xx lbMTOW - 1747xx lbZFW - 913xx lb When you look at current TOPCAT 738 profile,it gives: Cargo capacity - 43419 lbFuel capacity - 45900 lbDOW - 94779 lbMZWF - 136000 lbMTOW - 173000 lbMLW - 146300 lb So yes, there is a difference in these figures, and instead of fiddlingabout them it is better to get a profile done for NGX in TOPCAT... for those who love to do all their calculations in this wonderful software.

PMDG Customer - JÄnis Freibergs

 

pmdgngxpilot.png

the problem is you need more than one profile, because some liveries have different numbers than the standart pmdg livery

P.L. Tran

AMD Ryzen 5800x; 32 GB Ram; EVGA GeForce RTX 3090 FTW3; Win10 64 Bit

the problem is you need more than one profile, because some liveries have different numbers than the standart pmdg livery
I haven't tried more than one so far so I did not know this feature is implemented.That being said I actually do have two - somehow I did not count the PMDG home livery.

PMDG Customer - JÄnis Freibergs

 

pmdgngxpilot.png

  • 3 months later...

Any news on this?What I explored:PMDG 737-700WL (single class):-Dry Operating Weight ---------- 37.600 kg (One PAX weight 80KG)-MAX Zero Fuel Weight---------- 54.600 kg-MAX Takeoff Weight------------- 69.600 kg-MAX Landing Weight------------ 58.000 kgYou can edit the profile in topcat to match PMDG profile. The difference on loadsheet still could be from 100 to 1000kgHigh difference noticed on N1 limit. On TOPCAT you have CFM56-7 22K for 737-700. But if you compare results to N1 limits from FMC with 22K derate, the difference is 4 to 7%

how much weight do i need to add for the food and drinks that will be loaded is this is the manual as well or do i need to go ask the drinks waiter for the info :)

I7-8700k,Corsair h1101 cooler ,Asus Strix Gaming Intel Z370 S11 motherboard, Corsair 32gb ramDD4,, gtx 1080ti Card,  RM850 power supply

 

Peter kelberg

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