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Servo for Throttle?

Servo for Throttle?

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Old 07-02-2006, 09:31 AM
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Default Servo for Throttle?

Hi all, i m new to GP. Please advise what type of servo should I used for throttle?? Is it better to use Analog or Digital?? Hi-speed or Hi toque??. Was told that using analog for throttle is better coz it is near to the engine. Thanks in advance...
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Old 07-02-2006, 11:32 AM
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Originally Posted by hot_version
Hi all, i m new to GP. Please advise what type of servo should I used for throttle?? Is it better to use Analog or Digital?? Hi-speed or Hi toque??. Was told that using analog for throttle is better coz it is near to the engine. Thanks in advance...
You are going to get both answers to this question, so be prepared.

Use an analog servo for throttle/brake. If you are a risk taker, use a digital. Digital servos "check and adjust" their positions 3 times more often than analog servos. When you use the brakes on your car you are essentially stalling the servo. Stalling meaning telling your servo to go to a position it can't get to. This is bad for all types of servos, but because the digitals pulse at 3x the rate it causes them to heat up faster. This has a result of higher failure rates. Either type of servo can fail, but the digitals have a higher chance of failure in the throttle/brake position.

I know a bunch of you guys are going to get on here and say you have been using digitals on your throttle with no problems. Doesn't change the fact that they are more prone to failure in that spot.
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Old 07-02-2006, 09:05 PM
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Thanks for the reply. Actually I m deciding to get either the SANWA VX (Analog) or FUTABA 9451 (Digital) for throttle. I m using KO Helios, so I will prefer to get the Futaba digital servo so that I can used the Advanced High Speed Response. But if the digital is prone to failure then I will get the Sanwa VX.
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Old 07-02-2006, 09:29 PM
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Default Futaba

I run the Futaba 9451 in my mtx4 and i love it, the price is right too.
I run a 1400 battery pack and it can handel both my 9451.
We run the SWCS in Texas an our mains are 30-45 min. and no problem so far.

ICULKN an the 9451
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Old 07-03-2006, 09:54 PM
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m using Sanwa VX for throttle, VR for steering. m also using KO Helios, no problem at all.
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Old 07-03-2006, 10:54 PM
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Originally Posted by uniquexme
m using Sanwa VX for throttle, VR for steering. m also using KO Helios, no problem at all.

The VX is an analog servo. Good servo.
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Old 07-03-2006, 11:34 PM
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yeah it is a good servo. good value for money. furthermore, its the cheapest among KO & Futaba.

but i heard that digital servos are not good for nitro cars, as its too fast, so recommended for EP cars, not too sure myself though.
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Old 07-04-2006, 05:04 AM
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I use s9451 for throtle. No problems ever since. I hope none will rise.
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Old 07-04-2006, 02:17 PM
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i use 2 digital sanwa's, and they work great, you have to set you end points correctly otherwise the servo's will overheat and fail.
First i dind't set the end points and i smoked a futaba digital servo in 1 hour.
The sanwa's i have for 2 months and there still ok.
And for somethings you have too use digitals, like the spectrum system or the hrs system from futaba.
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Old 07-04-2006, 02:43 PM
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Ko Propo has a pretty good sale on new analog servos. http://www.shopatron.com/product/pro...605.1054.0.0.0
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Old 07-04-2006, 04:34 PM
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Originally Posted by DS Motorsport
i use 2 digital sanwa's, and they work great, you have to set you end points correctly otherwise the servo's will overheat and fail.
First i dind't set the end points and i smoked a futaba digital servo in 1 hour.
The sanwa's i have for 2 months and there still ok.
And for somethings you have too use digitals, like the spectrum system or the hrs system from futaba.

You don't have to use digital servos with spektrum.
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Old 07-05-2006, 01:49 AM
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yeah, m also using Spektrum system, and i use analogue servos, VX & VR
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