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05-23-2007 02:19 AM  13 years ago
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DR350s

rrNovice

Quebec, Canada

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Raven flight time
Hi all,

Just want to know what is the average flight time ( hover and flying around, not 3D ) for a Raven, OS 50 SX-H (not hyper), torpedo muffler and stock tank (no header tank)?

Tanks a lot

Yves
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05-23-2007 03:07 AM  13 years ago
BC Don

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Calgary, AB Canada

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I normally run about 8 minutes with my Hyper 50. I'd suggest that you'd get 10 minutes + / - out of it. Also depends upon whether you have the new larger tank or the older one and if you have a header tank or not.Got Money? Send it to me, I'm a Heli Addict.
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05-23-2007 03:07 AM  13 years ago
FenderBean

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Huntsville Alabama

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LOL 10-15 mins why do you ask?
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05-23-2007 04:23 AM  13 years ago
Ts8103

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Baltimore, Maryland

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I am getting a run time of around 10 min. running a 1920 headspeed with 600 blades.
Tone
Team Outrage
YS engines
Switchglo
Baltimore Boyz
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05-23-2007 10:21 AM  13 years ago
J Kofoed

rrApprentice

Denmark

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I am getting a run time of around 14 min. running a 1900 headspeed with 600 blades. Motor is West 50H and 0% nitro.
Jesper.
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05-23-2007 11:00 AM  13 years ago
DR350s

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Quebec, Canada

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To answer the question of FenderBean, i'm asking this question because i'm not sure if i fly with a good fuel mixture setting...

I can fly approx 10 min but i have a lot of smoke ( too rich ? ) and when i land and cut the throttle the RPM stay high for 2 - 3 sec ( too lean ? )....

What do you think about that ? I'm a little bit confuse about my fuel setting...

Thanks

Yves
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05-23-2007 11:09 AM  13 years ago
DR350s

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Quebec, Canada

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and i forgot, i fly at 1650 headspeed approx and with only the 10 oz tank, no header...
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05-23-2007 02:43 PM  13 years ago
FenderBean

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Huntsville Alabama

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well the best way to tell if your too rich is get it up in the air at full pitch/throttle and make sure you still have smoke. I would not rely on flight time, because lots of factors play into your flight time. Pitch settings/headspeed, temp, PA, Humidity, stuff like that.
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05-23-2007 05:28 PM  13 years ago
oldfart

rrProfessor

Vancouver, Canada

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I get about 10 minutes at 1850 head speed with the 10 oz. tank.

The current version of the Ravens come with a larger fuel tank - 12OZ I think - that is an easy mod. You would get about 12 minutes with it.
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05-23-2007 10:36 PM  13 years ago
BC Don

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Calgary, AB Canada

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I think the 10 mins. sounds about right but if you want to test for too rich or lean I wouldn't do it based upon flight time. When you land after flying around for a few minutes, feel the back of your engine, if you can hold your finger on for about 4 to 5 seconds you should be OK. If you can hold your finger on indefinitely then you are too rich, if you get a blister then you are lucky that you didn't have to do an auto. Or, get an IR temp gauge and check your head temp. Should be around 200F give or take 5% as I recall.

On the bottome end I make sure that the top end is close, then richen the bottom end to the point where the fuel loads up (let it idle and it'll quite cause it is too rich). Now, lean it out about 1/8th turn, let it idle for 30 seconds and punch the throttle. If it dies right away it is still too rich, lean it 1/8th more and keep going till it transitions properly.

Do the above two things (with an engine that has been broken in) and you should be fine. I check the engine temp pretty well every time I land (with my finger).
Got Money? Send it to me, I'm a Heli Addict.
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05-24-2007 02:31 AM  13 years ago
catzazz

rrApprentice

Vancouver Island, BC, Canada

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I can fly approx 10 min but i have a lot of smoke ( too rich ? ) and when i land and cut the throttle the RPM stay high for 2 - 3 sec ( too lean ? )....
If your throttle is hanging when you idle down then you must richen the low end needle a little bit, don't go too much it is sensitive, after doing so you may find it a bit rich on the top end, maybe by a 1 or 2 clicks leaner.

If this is a new engine then run that pig rich for a half dozen tanks. then tune for max HP.

Cheers, Mark M.
http://www.pdqflyers.com
Fly like you borrowed it!! Land like you stole it!! visit www.virc.ca
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