Bug 174 on 12lbs boost. Review please.

[Osprey]

Not with WEP on it isn't.

[CaptainDoggles]

Spitfire 1a is faster than 109 with or without WEP above 6000m after the patch.

What exactly is the problem?

To my understanding the 109 is definitely very much slower than RL at altitudes above 5500m, at 7000m by 30-40 kph. That is a huge discrepancy. As far as I can read kyrillic letters (I am learning Russian a little bit) the blue curve shows RLE values (so flight tests by the British), the purple one says something like "igra forsash" (= game XYZ?) and the grey "igra bez forsasha" (= game ....?)

My guess is that the purple line is post patch the grey pre patch. the purple line is following the grey line (just beneath it) from alt 5200m.

[CaptainDoggles]

Purple line is with WEP. Форсаж (Forsazh) translates roughly to "boost". Без Форсаж (Bez forsazh) translates to "without boost" therefore grey line is without WEP.

Thanks. It is still too slow at high alt compared to RLE data.

[Kurfürst]

Originally Posted by CaptainDoggles

Purple line is with WEP. Форсаж (Forsazh) translates roughly to "boost". Без Форсаж (Bez forsazh) translates to "without boost" therefore grey line is without WEP.

It depends on how 1C interpreted 'WEP'. Is it referring to the 5-min 'Vollast/Kurzleistung' (1.35/2400) or the 1 min 'erhoehte Kurzleistung'?

In the former case, if the 1C WEP is equivalent to the historical 5-min rating, 500 km/h on the deck is correct and historically accurate result.

If however they understand WEP as the equivalent of the historical 1-min rating, there is a rather mixed situation: you can indeed reach the historical top speed, but as Banks have noted, by using a rating that was historically prescribed to special takeoffs.

[CaptainDoggles]

Originally Posted by Kurfürst

It depends on how 1C interpreted 'WEP'. Is it referring to the 5-min 'Vollast/Kurzleistung' (1.35/2400) or the 1 min 'erhoehte Kurzleistung'?

In the former case, if the 1C WEP is equivalent to the historical 5-min rating, 500 km/h on the deck is correct and historically accurate result.

If however they understand WEP as the equivalent of the historical 1-min rating, there is a rather mixed situation: you can indeed reach the historical top speed, but as Banks have noted, by using a rating that was historically prescribed to special takeoffs.

Sadly I think getting that answer out of them might be difficult. The "afterburner" function in-game ( ) doesn't last anywhere close to 5 minutes, so I would guess they're interpreting it as the 1-minute "increased short-term performance".

[Kwiatek]

Originally Posted by CaptainDoggles

Sadly I think getting that answer out of them might be difficult. The "afterburner" function in-game ( ) doesn't last anywhere close to 5 minutes, so I would guess they're interpreting it as the 1-minute "increased short-term performance".

It is easly readable on ATA guage where it show after WEP button - 1.45 Ata power - so 1 minut take off power.

Moreover most know German and other county test for serial 109 E planes are very close and showed 467 km/h at deck for 1.3 Ata power ( 5 minute emergency power). So for 1.35 Ata it should be just little faster - a few kph.

Kurfurst think that 109 E was such fast like 109 F-2 but if he belives that Emil has similar speed like more aerodynamical cleaning plane with better enginehe is really not serious man for me

[Kwiatek]

I checked 109 sea level speeds and nothing change comparing to pre beta patch version.

So i think there is no changes in FM of 109 ( also there is no info about it in beta patch notes). So still 109 is to slow ab. 20 km/h at 1.3 Ata power and ab. 20 km/h at 1.4 Ata - so generally 40 km/h slowier at the deck.

Moreover i checked british fighters in beta patch and i got:

Hurricane MK 1 Rotol

238 mph /383 kph at the deck at +6 1/2 boost ------ should be 262-265 mph /420-426 kph !!!!

So it is 24-27mph/ 38-43 kph too slow at + 6 1/2 boost power !!!!

There is no WEP - so no 100 octan fuel performacne - which should give ab. 25 mph/ 40 kph extra speed at low alts

Spitfire MK1a

255 mph at the deck at 6 1/2 boost ---------should be 283 mph !!!!

So it is 28 mph/45 kph too slow at 6 1/2 boost.

No 100 Octan fuel performance at all - boost cut out doesnt rise power at all.

Spitfire MK II

268 mph at deck at 6 1/2 lbs
285 mph at deck at 9 lbs ------ should be 286-290 mph so it is very accurate result!!!!

Still no 100 octan fuel performance - so no emergency +12 lbs.

[41Sqn_Banks]

There was no WEP for DB601 A1/Aa, only a special take-off boost. There is nothing that indicates that 1' Minute 1.4/1.45 was used for anything else than take-off or above 1-1.5 km altitude.

http://www.il2bugtracker.com/issues/40#note-10
http://www.il2bugtracker.com/issues/40#note-11