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450 Class Electric Helicopters 450 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 11-10-2009, 08:08 PM   #1
caralmar
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Default Eflite G110 gyro and Futaba s9257 tail servo

Seeking some advice here guys... I'm in the middle of building my new beater heli and I'm taking some pieces from other helis. I have a G110 gyro from a CP Pro 2 that I will be using for this build and want to couple it to a Futaba 9257 tail servo. I know that the G110 is not all that good, but for now it will have to do until I get some more funds!

In any case, I'm not sure if the G110 can be set to digital servo mode safely with the 9257. Does anyone know? I read the specs for the G110 and it says 275Hz is the pulse rate in digital mode, but I can't find anything about the 9257 pulse rate.

In any case, if I'm going to fry the servo with this gyro setting, I'll just ground this bird until I can get a Futaba gyro... Thanks for the help!

If it matters, these are the specs for this build:

HK450 aluminum frame
Scorpion 2221-8 motor / Pentium 40 ESC
DS410M cyclic
Eflite G110 / Futaba s9257 on tail
V2 head/grips + CopterX swash
CopterX aluminum tail
AR6100

I think these components should give me a pretty good beater heli. I plan on using Align 325D blades. Any thoughts on this component mix? Only concern I had as the BEC on the ESC... thinking perhaps I should use an external one, but according to the ESC's specs, this is a switching BEC 5V/3A.
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Last edited by caralmar; 11-10-2009 at 08:55 PM.. Reason: Changed "linear" to "switching" for BEC... oops!
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Old 11-10-2009, 08:49 PM   #2
Wolfpackin
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The S9257 will be fine in digital mode on the G110.

However, I found that sometimes the G110 does not work well in digital mode and causes twitching. So try it and see how things go.
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Old 11-10-2009, 08:54 PM   #3
caralmar
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Great! Thanks for the input. Yeah, that'll be the next piece to get, but until I can sell my CP Pro 2, I'm stuck. I want to get an Align 750 gyro for my 450 Sport and then I'll move the GY401 to this beater heli.
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450 Class Electric Helicopters 450 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.

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