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| IL-2 Sturmovik The famous combat flight simulator. |
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Thread Tools | Display Modes |
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#2
10-13-2010, 10:03 PM
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I'm not sure but my understanding is that Tempest is referring to the actual cockpit instruments and not discrepancies between cockpit (IAS) and no-cockpit (TAS) airspeed gauges.
Talking about cockpit gauges that display IAS, it's not rare to see airspeed indicators calibrated in a non-linear scale. So for example, there are tick marks every 20 degrees around the gauge's face for low speeds to provide more accurate readings/better scale resolution where it's possible to encounter a stall, but then the tick marks are placed every 10 degrees for the high speed range in order to save up on the amount of instrument space needed. If the same high resolution scale of 20 degrees per tick mark was used for the high speed range as well, we might need an airspeed gauge that functions in more than 360 degrees (like the ones found in the RAF aircraft for example). Shortening the distance between tick marks in the high speed range means that we can have instruments that display a bigger speed range without having to use a dual inner/outer speed read-out ring like the British indicators, just at the expense of reduced scale resolution at high speeds. However, this means that the needle also has to move in a non linear way to ensure an accurate change over from one scale to the next. If the needle's movement keeps linear when the scale of the gauge isn't, then the result is inaccurate readings at high speeds. I could still be wrong, but that's the way i interpreted Tempest's post. 
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#3
10-14-2010, 12:39 AM
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Yeah, thanks Blackdog, I am referring to a discrepency between IAS values on the instruments and on the speedbar, not the TAS shown in the wonder woman view. The airspeed indicator is accurate at all other speeds except between 350km/h and 400km/h where the tick mark is misdrawn. This is an easy bug to test, just go fly a yak-9m with the speedbar on and get her up to 350 km/h IAS on the speedbar, then look at the airspeed indicator, it will read 400 km/h IAS. It's just a misdrawn texture on the guage.
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#4
10-18-2010, 02:06 PM
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Quote:
The fuel quantity gauge is on the right side of the cockpit, and it does not move with the manifold pressure. I think it shows the contents.
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#5
10-18-2010, 03:44 PM
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Correct, my mistake, post deleted.
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#6
10-21-2010, 08:59 AM
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AI D3A1 val don't catch the wire on aircraft carrier Zuikaku, Shokaku and IJN generic, they land 3 points short of wires, then bounce to horizontal attitude, thus hook is too high. They do OK on Akagi, most probably because there's a wire closer to landing area. Maybe try do offset touchdown area on the other carriers ?
It seems to be weather dependent too, with rough weather they tend to catch the wires better ! Last edited by rollnloop; 10-21-2010 at 09:04 AM.
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#7
10-29-2010, 03:50 PM
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A small bug, the left wing on the P-51B turns into a P-51D wing when damaged (i.e it gets 3 MG sticking out of the wing instead of the 2 that where there before damage).
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#8
10-29-2010, 05:14 PM
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Quote:
It's usually why checklists state things like "idle at 1000 RPM", the closed throttle position actually gives lower RPM than that but fuel (and in some cases oil) pressure are too low for proper operation, plus the spark plugs can get dirty if running too low a MP setting for long. That's also part of the reason real world pilots do an engine run-up prior to take-off...increasing throttle to check magneto RPM drops and exercise the propellers (moving the pitch lever back and forth to pump warm oil into the governor and ensure smooth pitch control) has the positive side effect that residue on the spark plugs gets burned off and they are clean and ready for take-off.
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#10
10-30-2010, 08:29 PM
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Quote:
What is the bug? Aviar
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