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Computer Flight Simulators > Why does the headspeed drop so fast when doing autos in XTR?
 
 
14U2NV
Senior Heliman
Location: USA

My Posts This: Topic  Forum		It seems like my headspeed is dropping real fast when attempting autos in XTR. I've tried both throttle hold at 20% and cut and they both drop way too fast. Seems like the blades have no momentum keeping them spinning. Any tips?


John
10-09-2004 Over year old.
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Saint728
rrProfessor
Location: Honolulu, Hawaii

My Posts This: Topic  Forum		Ummmm, maybe because there is no wind to keep the blades spinning? Try adding wind and see if it still does it? I'm not even sure there is a setting for wind in XTR? I never checked before.

Take Care,
Cheers, Patrick

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10-09-2004 Over year old.
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14U2NV
Senior Heliman
Location: USA

My Posts This: Topic  Forum		There is a setting for windspeed, and I do have it set low, but even if I give it negative pitch while descending, it dosen't seem to keep/bring the headspeed up.

Next chance I have to get on XTR I'll try turning up the windspeed, but I still think it must be something else.



John
10-09-2004 Over year old.
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lifepak-1
Senior Heliman
Location: Edmonton

My Posts This: Topic  Forum		Double check the max. negative pitch during autos in the menu. Sometimes it defaults to only -4 or so.
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Ringding
Senior Heliman
Location: Austria

My Posts This: Topic  Forum		Even so, once you got the hang of it, you can make them speedup with only -3° negative pitch. It took me some hours to finally get it. Just keep trying and make sure you are already on negative pitch at the moment of throttle cut.
10-09-2004 Over year old.
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MJWS
Key Veteran
Location: Airdrie, AB - Canada

My Posts This: Topic  Forum		There isn't much inertia on the blades in stock sim form. You can bump it up a little in the settings so it feels more realistic. Bumping up the value in throttle hold doesn't work very well if Reflex is doing the throttle/collective mixing because the governor kicks in and out before you get to right value. If you have your radio do it then it will behave as expected.

There is a nice Fury (DH4) around here somewhere that flies and autos very realistically. The stock heli's had to be tweaked to auto decent.

Mike
10-09-2004 Over year old.
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Ringding
Senior Heliman
Location: Austria

My Posts This: Topic  Forum		Maybe it's not extremely realistic (I haven't done autos on the real thing yet) but it's always better to be able to do them under more difficult conditions.
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14U2NV
Senior Heliman
Location: USA

My Posts This: Topic  Forum		Mike,

Is the "Moment of Inertia" parameter the one I'd want to increase to get more blade inertia? If so, what would be a good starting point?


Thanks,

John
10-09-2004 Over year old.
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dogen
Senior Heliman
Location: Sweden

My Posts This: Topic  Forum		I'm not sure about Reflex, but if its realistic adding moment of inertia would make the rotorblade spin longer after throttlecut, but it will also make it harder to increase the bladespeed with negative pitch, right? High moment of inertia = slower decrease of blade-speed and slower increase of blade-speed.
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MJWS
Key Veteran
Location: Airdrie, AB - Canada

My Posts This: Topic  Forum		I just bumped the moment of inertia up slowly until it felt right. It doesn't feel like it spools up slower.

Here is a link to the model thread. This one feels great in Autos IMHO.

XTR 3D Fury

Good Luck,

Mike
10-09-2004 Over year old.
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Helinutnz
Elite Veteran
Location: below 42 South

My Posts This: Topic  Forum		keep it worse than realistic

Part of my job is flying sims a few times a year. It is harder to fly than the real thing. Best way to have it. Tweak it to get it close but don't make it easier than the real thing or you in trouble!
10-12-2004 Over year old.
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Computer Flight Simulators > Why does the headspeed drop so fast when doing autos in XTR?
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