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    Storage tank drop question.

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    • spooky
      spooky @Blu3wolf last edited by

      @Blu3wolf:

      Most Air to ground stores are limited to 1.2 mach and 600 knots for the store, which limits your ability to do 1.5 mach 150 foot penetration runs with ground stores. The TERs (when loaded) are limited to 550 knots or 0.95 mach (600 and 1.6 when empty - 700 knots in some configs). After dropping bombs, the remaining suspension gear (if no TER used) is limited to 700 and 1.6, and the tanks suspension gear, to 750 and 1.6.

      The fuel tanks on the other hand are 600 and 1.6, so Im not seeing why the fuel tanks are the issue with a high speed low level penetration?

      This is because you do not understand the concept nor the idea but because you focus on facts and the knowledge you have which is based on what you can read and that is available to the public eye. He was not talking about the F-16 as he said he is not sure the F-16 can do this.

      Icer Leech 2 Replies Last reply Reply Quote 0
      • Icer
        Icer @spooky last edited by

        @spooky:

        This is because you do not understand the concept nor the idea but because you focus on facts and the knowledge you have which is based on what you can read and that is available to the public eye. He was not talking about the F-16 as he said he is not sure the F-16 can do this.

        Huh?

        Aerocool case, Gigabyte Z390 Master, EVGA 1000w PS / Intel i9-9900K @5.0Gz - Nfortec Hydrus V2 Liquid CPU cooler. 64GB Corsair Vengeance DDR4 @ 3192mhz / 1TB M.2 Crucial Boot Drive (BMS 4.36 installed here), 1TB M.2 Data drive, 1TB WD SATA drive. Zotac Gaming GeForce RTX 3090 Trinity OC 24GB - Nvidia 512.59 drivers /3 Samsung LC32G53TQWUXEN 32" 7680x1440 at 144Hz  / Win11 Pro Ver.  22H2 - Build 22616.100 - TIR 5, Warthog HOTAS\VirPil stick base, MFG V3 Pedals, TM MFDs  on 2 8" Lilliputs/ ICP

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        • LorikEolmin
          LorikEolmin @Blu3wolf last edited by

          @Blu3wolf:

          Most Air to ground stores are limited to 1.2 mach and 600 knots for the store, which limits your ability to do 1.5 mach 150 foot penetration runs with ground stores. The TERs (when loaded) are limited to 550 knots or 0.95 mach (600 and 1.6 when empty - 700 knots in some configs). After dropping bombs, the remaining suspension gear (if no TER used) is limited to 700 and 1.6, and the tanks suspension gear, to 750 and 1.6.

          The fuel tanks on the other hand are 600 and 1.6, so Im not seeing why the fuel tanks are the issue with a high speed low level penetration?

          He may not be talking about bombs?

          Everything you need to know and links in my Youtube channel, "About" section.

          Frederf 1 Reply Last reply Reply Quote 0
          • Frederf
            Frederf @LorikEolmin last edited by

            If the point is to go fast and drop bombs on target then shedding the fuel tanks and keeping the bombs is the optimum decision. “Well the tanks are cleared for the speed” is irrelevant. Fuel tanks slow the airplane down by their drag. If that drag is unacceptable to the mission profile and mission is important enough (nuke strike or whatever) then tanks are expendable.

            Anyway, as people say the yellow and black striped button is for emergency jettison only which has no pilot control except use/don’t use. For selective jettison you do it through the SMS “S-J” mode and the weapons release button on the stick is how the jettison is activated.

            LorikEolmin 1 Reply Last reply Reply Quote 0
            • LorikEolmin
              LorikEolmin @Frederf last edited by

              @Frederf:

              If the point is to go fast and drop bombs on target then shedding the fuel tanks and keeping the bombs is the optimum decision. “Well the tanks are cleared for the speed” is irrelevant. Fuel tanks slow the airplane down by their drag. If that drag is unacceptable to the mission profile and mission is important enough (nuke strike or whatever) then tanks are expendable.

              Anyway, as people say the yellow and black striped button is for emergency jettison only which has no pilot control except use/don’t use. For selective jettison you do it through the SMS “S-J” mode and the weapons release button on the stick is how the jettison is activated.

              Are there bombs and racks you can fly with at Mach 1.5 close to the ground ?

              Everything you need to know and links in my Youtube channel, "About" section.

              Frederf 1 Reply Last reply Reply Quote 0
              • Frederf
                Frederf @LorikEolmin last edited by

                Why would that matter? You’re saying “keep the fuel tanks, the airplane will go that fast with them.” Doesn’t matter, more drag, more fuel burn, less fuel margin.

                LorikEolmin Blu3wolf 2 Replies Last reply Reply Quote 0
                • LorikEolmin
                  LorikEolmin @Frederf last edited by

                  @Frederf:

                  Why would that matter? You’re saying “keep the fuel tanks, the airplane will go that fast with them.” Doesn’t matter, more drag, more fuel burn, less fuel margin.

                  Yes it matters, if you read Radium’s answer, which Blu3 did. Radium exposes a rare tactic that justifies keeping weapons (which?), and Blu3 argues that in this tactic, fuel tanks are not the limiters. So, yes, if it’s about bombs, which we’re not sure, it matters.

                  If this is just about flying with less drag, the speed difference with and without tanks, the need for fuel and the limits imposed by the rest of loadout will likely be in favor of keeping the tanks, unless you have a good example of the opposite (and actually not just one, to be honest).

                  Everything you need to know and links in my Youtube channel, "About" section.

                  Frederf 1 Reply Last reply Reply Quote 0
                  • Frederf
                    Frederf @LorikEolmin last edited by

                    No point in keeping fuel tanks which are empty if maximum performance is required.

                    LorikEolmin 1 Reply Last reply Reply Quote 0
                    • LorikEolmin
                      LorikEolmin @Frederf last edited by

                      Haha… If all you want is us to agree, nothing beats a truism in a trusim.

                      Everything you need to know and links in my Youtube channel, "About" section.

                      1 Reply Last reply Reply Quote 0
                      • Blu3wolf
                        Blu3wolf @Frederf last edited by

                        @Frederf:

                        Why would that matter? You’re saying “keep the fuel tanks, the airplane will go that fast with them.” Doesn’t matter, more drag, more fuel burn, less fuel margin.

                        Those last three lines are the key bit - in general, the fuel gained by keeping the tanks tends to outweigh the potential fuel savings by ditching the tanks.

                        Exceptions obviously exist, Operation Opera for example.

                        Spooky, distinguishing between the “concept” and the “idea” is not meaningful in English - perhaps this is something that has been lost in translation?

                        @spooky:

                        available to the public eye

                        At least in theory, this is what should limit all such discussions on this forum, from a rules perspective.

                        Radium Frederf 2 Replies Last reply Reply Quote 0
                        • Radium
                          Radium @Blu3wolf last edited by

                          @Blu3wolf:

                          Spooky, distinguishing between the “concept” and the “idea” is not meaningful in English - perhaps this is something that has been lost in translation?

                          It does !

                          A concept is a structured idea.

                          Cheers,

                          Radium

                          alt text

                          1 Reply Last reply Reply Quote 0
                          • Frederf
                            Frederf @Blu3wolf last edited by

                            @Blu3wolf:

                            fuel gained by keeping the tanks tends to outweigh the potential fuel savings by ditching the tanks.

                            The fuel tanks are empty. What is gained?

                            bbostjan 1 Reply Last reply Reply Quote 0
                            • bbostjan
                              bbostjan @Frederf last edited by

                              @Frederf:

                              The fuel tanks are empty. What is gained?

                              No idea if this is true, but my logic says that empty fuel tank can be reused. Either at AAR during flight (can you refuel your fuel tanks midair???) or back at home base. It’s a piece of equipment that you don’t need to replace with new one.

                              As I said, I have no idea if this is the way I look at it, just my two cents.

                              Ironman3 Icer Blu3wolf 3 Replies Last reply Reply Quote 0
                              • Ironman3
                                Ironman3 @bbostjan last edited by

                                My thoughts about jettison the fuel tanks.

                                If you are flying in peace time operations and you simulate an exercise obviously you don’t leave your tanks unless you have a potential flameout approach and generally when the emergency checklist dictates to leave them.

                                In war if you have 1000 tanks back to your home base and you don’t bother about extra time during ICT in order to load new tanks then you jettison the tanks as you wish. But if one of those two conditions (1. don’t have enough tanks or 2. you need to be back in the air with new weapons as soon as possible) are met then you may leave your tanks only for your survival (merge with hostile or fuel emergency) or for an extreme tactic(very high risk missions) that it should be briefed on the ground.

                                I think that in campaigns the number of tanks are limited but I am not sure about that.

                                LorikEolmin 1 Reply Last reply Reply Quote 0
                                • LorikEolmin
                                  LorikEolmin @Ironman3 last edited by

                                  @Ironman3:

                                  My thoughts about jettison the fuel tanks.

                                  If you are flying in peace time operations and you simulate an exercise obviously you don’t leave your tanks unless you have a potential flameout approach and generally when the emergency checklist dictates to leave them.

                                  In war if you have 1000 tanks back to your home base and you don’t bother about extra time during ICT in order to load new tanks then you jettison the tanks as you wish. But if one of those two conditions (1. don’t have enough tanks or 2. you need to be back in the air with new weapons as soon as possible) are met then you may leave your tanks only for your survival (merge with hostile or fuel emergency) or for an extreme tactic(very high risk missions) that it should be briefed on the ground.

                                  I think that in campaigns the number of tanks are limited but I am not sure about that.

                                  They are. Also, in BMS you can always do fancy things. It all depends how fancy you want to go. I sometimes happened to fly with people jettisoning because they thought they always jettisoned their tanks IRL. It was an opportunity to tell them this wasn’t the case.

                                  Everything you need to know and links in my Youtube channel, "About" section.

                                  1 Reply Last reply Reply Quote 0
                                  • Icer
                                    Icer @bbostjan last edited by

                                    I guess the big question is, if you return to bas with stores are they ALL returned to inventory? If not, this whole exercise is moot…

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                                    1 Reply Last reply Reply Quote 0
                                    • Leech
                                      Leech @spooky last edited by

                                      @spooky:

                                      This is because you do not understand the concept nor the idea but because you focus on facts and the knowledge you have which is based on what you can read and that is available to the public eye. He was not talking about the F-16 as he said he is not sure the F-16 can do this.

                                      It can, and has been done by the IAF.
                                      The F-16 uses special logic when jettisoning fuel tanks to reduce collision chances

                                      Frederf 1 Reply Last reply Reply Quote 0
                                      • Blu3wolf
                                        Blu3wolf @bbostjan last edited by

                                        @bbostjan:

                                        No idea if this is true, but my logic says that empty fuel tank can be reused. Either at AAR during flight (can you refuel your fuel tanks midair???) or back at home base. It’s a piece of equipment that you don’t need to replace with new one.

                                        Yes, it is possible to refuel the fuel tanks midair, provided they are depressurised.

                                        1 Reply Last reply Reply Quote 0
                                        • Frederf
                                          Frederf @Leech last edited by

                                          Of course fuel tanks are reused, both BMS and reality. 99% of the time this is what’s done in both. But jettisoning tanks does provide maximum performance for when that is the priority. It would be a shame to lose a war and your homeland over a couple $10,000 fuel tanks.

                                          Dee-Jay 1 Reply Last reply Reply Quote 0
                                          • Dee-Jay
                                            Dee-Jay @Frederf last edited by

                                            In BMS, we should simply reduce by an amount of points or a factor the Pilot Score mission if he do not bring his WT back home. And if he overstress the jet (speed/G load) if he do not follow ATC instructions … etc …
                                            In other words, giving a motivation to do things right and it rewards to pilot’s who cars about RL considerations.

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