Mootmoot Posted January 26 Posted January 26 (edited) Hello ,i would like to manage this wonderfull bird : i manage to take off , land , use weapons...but I'm still not familliar with the Airspeed/Mach Indicators , for me it's ok to read betwen 0 and 200 knots , but after that i don't really understand what is my exact speed , it directly goes from 200 knots to 0.4 machs? how to calculate a precise speed with the machs gauge (for bombing for example) ?. I'm french so i have already to convert KM/h to MP/h , then MP/h to Knots and then Knots to matchs.... but i think i'm not using the right way doing this....if some one have link for a video tutorial or a clear explanation about this it would be awesome! Edited January 26 by Mootmoot
Zabuzard Posted January 26 Posted January 26 For bombing you would use the True Airspeed Gauge to the top left. The values on the Bombing Table are all TAS not IAS :) 2 1
Mootmoot Posted January 26 Author Posted January 26 Ok thank you for your fast response....but i'm a bit lost with this one too : i don't understand why it indicates 85 kots when my plane is parked?
Zabuzard Posted January 26 Posted January 26 Ok thank you for your fast response....but i'm a bit lost with this one too : i don't understand why it indicates 85 kots when my plane is parked? Due to how the TAS gauge works internally, it cannot give reliable values outside of the calibrated range of 150 to 1500 knots.So that is expected behavior :) 1
Solution Mootmoot Posted January 26 Author Solution Posted January 26 Ok....i've tried it....i didn't give attention to this gauge before....and it finally changes everything...thank you very much for your attention! 2
Kirk66 Posted January 26 Posted January 26 Just a comment. In real life (and unlike the bombing computer in the sim) almost all bombing was done referencing IAS, not TAS. The airspeed indicator in the F-4 is pretty standard for the timeframe in US jets, you read IAS in knots on the outside scale (3) up to about .4 mach, then use the inside scale for IAS (in the gap in the needle between 1 and 2) above that. In the picture below, IAS is 345 knots, and Mach is just over .62, read from the outside needle/scale. Since the inner scale window moves, it is useful to practice by setting up level flight, and accellerating to Vmax, then slowing down to 160 KIAS or so, and watching how the gauge works to indicate IAS and Mach. For bombing, especially Direct or Dive Toss, you should be looking at the planned IAS (usually 450 or 500 knots) at release. This is because the speed will usually be increasing as you dive, and it can be hard to judge your TAS via the spinning numbers! With the airspeed indicator, you can glance at the gauge and see if you are slow or fast and about when you will be at the proper speed. For some WRCS level deliveries, you are at a constant speed, so can monitor TAS easier - but if the delivery is a timed LABS delivery it is based on GS not TAS, so know your winds! Tip: multiply your speed in Knots by 2 to get KPH (close enough for flying). I have to do the reverse when flying Metric aircraft. And for distances, 1 NM is almost exactly 2 KM. If you havn't seen these, lots of good period info on the jet and how to fly it: https://www.digitalcombatsimulator.com/en/files/3335473/ Hope this helps. Bonne chance! Vulture . 2
Phantom711 Posted January 27 Posted January 27 Am 26.1.2025 um 12:26 schrieb Mootmoot: I'm french so i have already to convert KM/h to MP/h , then MP/h to Knots and then Knots to matchs Ok…why and when would you ever need to convert those numbers in DCS? Just set DCS to the imperial system all together and you are good to go to just live in a world of NM, knots and feet. This is the standard for the most part in the western aviation world. Yes…even in France. vCVW-17 is looking for Hornet and Tomcat pilots and RIOs. Join the vCVW-17 Discord.
Mootmoot Posted January 28 Author Posted January 28 (edited) @Kirk66 thank you very much for your tip it will be really usefull usefull @Phantom711 Quote Ok…why and when would you ever need to convert those numbers in DCS? Just set DCS to the imperial system all together and you are good to go to just live in a world of NM, knots and feet. This is the standard for the most part in the western aviation world. Yes…even in France. maybe just because i'm not a pilot and i'm using and thinking with Metric sytem since 45 years....like when i'm whriting here in english : i'm thinking in french and translate it in english... Edited January 28 by Mootmoot
Phantom711 Posted January 28 Posted January 28 @Mootmoot I´m german, so living in the metric system as well in everyday life. Simply consider aviation like a closed system with it´s own units of measure. Reeally, there is usually no need to convert from imperial to metric. Here are some conversions within that eco-system, that are usefull: 1 minute on a meridian is 1 NM 1 NM =~6000ft 1NM / h = 1 knot Mach number x10 is equals NM / min -> 0.8M = 8NM / min (without wind of course) There´s probably more, but this is what comes to my mind now. 3 vCVW-17 is looking for Hornet and Tomcat pilots and RIOs. Join the vCVW-17 Discord.
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