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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Good throttle servo
11-15-2011 12:40 AM  6 years agoPost 21
gouki

rrVeteran

philippines

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using the atg v3, when engine is running great, i could see the throttle moving back and forth at a very fast rate when the gov is regulating the speed of the engine. having a fast servo really helps. i don't know about the aerospire multigov pro or other governors

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11-15-2011 01:12 AM  6 years agoPost 22
Michaelm0268

rrApprentice

Louisiana

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I will be using the governor in he AR7100R.

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11-15-2011 01:53 AM  6 years agoPost 23
gouki

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philippines

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i read somewhere that the ar7100r is a rev limiter. any servo will work just fine but using digital will be better

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11-15-2011 02:09 AM  6 years agoPost 24
Heli 770

rrProfessor

USA.

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It is a rev-limiter.

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11-15-2011 10:11 AM  6 years agoPost 25
Richardmid1

rrProfessor

Leeds, England

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Governor or rev limiter, the servo still does the same job and it moves about more than you think rather quickly!

60% of the time, it works every time!

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11-15-2011 01:23 PM  6 years agoPost 26
BarracudaHockey

rrMaster

Jacksonville FL

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Gouki, not arguing that a tail servo will move a throttle arm back and forth faster than you can see it.

I'm just stating that no matter how fast you yank it back and forth, anything less than .15 to .2 or so, you wont be able to tell the difference because internal combustion engines can only react so quickly to throttle arm changes.

Andy
AMA 77227
http://www.jaxrc.com

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11-15-2011 01:28 PM  6 years agoPost 27
Richardmid1

rrProfessor

Leeds, England

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A nitro engine at 17,000 rpm takes 0.0035 seconds to increase its power output.
Pretty fast im sure you'll agree.

60% of the time, it works every time!

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11-15-2011 01:37 PM  6 years agoPost 28
BarracudaHockey

rrMaster

Jacksonville FL

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I'm curious where you got that number.

But you can do all the math you want, I've tried several setups and give my advice based on personal experience. Your milage may vary.

Andy
AMA 77227
http://www.jaxrc.com

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11-15-2011 01:46 PM  6 years agoPost 29
gouki

rrVeteran

philippines

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hey BarracudaHockey! no worries there, i am still learning stuff about all of this and your input is very much welcome!

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11-15-2011 02:12 PM  6 years agoPost 30
Richardmid1

rrProfessor

Leeds, England

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BH,

17,000 cycles per minute is 0.0035 seconds per cycle.

If you go from an analogue servo with 0.22 transit time to a digital servo with 0.06 transit time you WILL notice a BIG difference, this is the exact experience I had. Like you say everyone has different experiences.

60% of the time, it works every time!

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11-15-2011 03:09 PM  6 years agoPost 31
BarracudaHockey

rrMaster

Jacksonville FL

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Ok thats great. That doesn't account for moving the arm, more fuel entering the combustion chamber, and making more power, by which time your servo is already busy pulling back the throttle because you unloaded the head and its on its way to over speeding.
Just sayin

Andy
AMA 77227
http://www.jaxrc.com

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11-15-2011 03:22 PM  6 years agoPost 32
Richardmid1

rrProfessor

Leeds, England

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Yes so the faster the servo can move the better. Also if you have a governor with adjustable gain then the gain can be increased with a faster servo just like a gyro's gain can be increased with a faster tail servo.

60% of the time, it works every time!

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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Good throttle servo
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