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Old 05-09-2012, 09:11 PM
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klem klem is offline
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Quote:
Originally Posted by Sammi79 View Post
OK, thank you. does this not register in the damage window though? governor failure or something? I held 3000 rpm for climb, and found that after I could still fly effectively, no loss of power, rpm control etc working fine just with the screen+needles shaking it was unplayable. I don't use the boost, as the throttle in spit 2a maxes out the manifold pressure at about 40% throttle currently, and the push lever stays where it starts locking max throttle at 100%

Also, no failure in the replay - but then replays are not working properly.

Is it just me being a newb then? what is the correct protocol for quick climb and boost control on the Spit2a? I've heard folks talking about the boost, but for me there is no difference between 40%-110% throttle other than manifold pressure going through the roof as far as I can tell, no extra rpms, no extra speed etc...

Regards, Sam.
I don't use the damage window but I just had a failure of a SpitII engine, it simply failed. I was down to 5 gallons and running low rpm/boost to stretch it out. After a while it begamn to misfire under low fuel pressure, causing intermittent vibration and eventually it stopped and wouldn't restart.

I don't know if this is what heppened to you? Failed fuel pressure?

The throttle currently controls boost levels over about 0-40% ov its range which is obviously a bug. I can get boost pressures between -4 and +6 but its hard to get exactly what I want and have to settle for about +/- 1lb.

Here are the boost figures from SpitIIa pilots notes for the Merlin XII and the Hurricane Merlin III (Spitfire will be the same). You'll find these splattered all over the forums.
Attached Images
File Type: jpg Boost.jpg (113.1 KB, 11 views)
File Type: jpg HurricaneBoost1.jpg (731.1 KB, 10 views)
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