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hs5925mg throttle servo

 
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Sun Dec 19, 2010 6:19 pm    Post subject: hs5925mg throttle servo Reply with quote

Hello All,
New to the forum and RC as well.
Bought a used Hyper 7 with a Hytec hs5925mg servo on the throttle and brake. It came with a specktrum DX 2.0 radio. While in the process of adjusting the trim / sub trim I adjusted it so good it will not move any more it is like I have moved it to far and it will not come back and I do not know which direction I think it is lost! I no I am... Anyone ever have this type of problem? What Do I need to replace it?

Jay

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triplebvalp



Joined: 11 Mar 2006
Posts: 333
Location: Valparaiso, FL

PostPosted: Mon Dec 20, 2010 3:46 pm    Post subject: Reply with quote

If you zero out both trims, does the servo work? Also, ensure your receiver/transmitter batteries are in good condition and charged.
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Mon Dec 20, 2010 4:21 pm    Post subject: Reply with quote

I have zeroed out both trims ,batteries are good I think the transmitter says 11.7 volts. the servo doesn't make a sound or move .I think it may be toast.
Thanks for your reply.
JBOB
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triplebvalp



Joined: 11 Mar 2006
Posts: 333
Location: Valparaiso, FL

PostPosted: Mon Dec 20, 2010 5:08 pm    Post subject: Reply with quote

Another quick test to ensure it is not a receiver problem is to plug the servo into the steering port. If it still doesn't work there are quite a few servos to choose from depending on your needs and budget.

You might want to take a look at this servo:

Savox
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Tue Dec 21, 2010 2:08 am    Post subject: Reply with quote

Thanks I will try plugging it into the steering .Thanks for the link. Do you know much about flatslide carbs. Some say they are difficult to tune.That may be my next problem...
Thanks again
JBOB
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triplebvalp



Joined: 11 Mar 2006
Posts: 333
Location: Valparaiso, FL

PostPosted: Tue Dec 21, 2010 5:15 am    Post subject: Reply with quote

Don't know what you mean by "flat side carb". Typically, there are two types of carbs:

1. 3 needle carb. High speed needle, low speed needle, and idle needle.

2. 4 needle carb. Same as above with the addition of Mid speed needle.

You can tell them apart by looking at the carb slide. A 3 needle carb only has one adjustment screw on one end of the carb slide.

example of 3 needle carb: 3 needle

example of 4 needle carb: 4 needle
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Tue Dec 21, 2010 3:41 pm    Post subject: flat slide Reply with quote

I will try to get a picture on here(not sure how).
This carb has a high speed screw, idle adjustment , the slide has a needle and what seems to be an adjustable needle jet. in this case a picture would be worth a1000 words. I will work on that.
Thanks;
JBOB[/youtube]
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triplebvalp



Joined: 11 Mar 2006
Posts: 333
Location: Valparaiso, FL

PostPosted: Tue Dec 21, 2010 3:44 pm    Post subject: Reply with quote

What engine is it?
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Tue Dec 21, 2010 4:41 pm    Post subject: Reply with quote

CMB .21 Not sure if is the carb that came with it,just bought it all used
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Tue Dec 21, 2010 4:43 pm    Post subject: Reply with quote

Been asking around about it they specialize in rc boat motors but made a line of rc car engines at one time.
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Tue Dec 21, 2010 4:53 pm    Post subject: Reply with quote

here is all I found http://www.cmbnorge.no/html/body_21_rs_car.html found parts here no info on carb though...
http://www.highperformancemodels.com/
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triplebvalp



Joined: 11 Mar 2006
Posts: 333
Location: Valparaiso, FL

PostPosted: Tue Dec 21, 2010 6:20 pm    Post subject: Reply with quote

Here you go, the first 3 pics are of 4 needle carbs and the last 2 pics are of 3 needle carbs.

Carb Needles
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Jay Yarrington



Joined: 18 Dec 2010
Posts: 10

PostPosted: Wed Dec 22, 2010 3:03 am    Post subject: Reply with quote

Got to get you a picture the carbs pictured are what I am used to ,the carb I have has a needle that is part of the slide which is flat just like a mikuni flat slide for a motorcycle will try to get a picture for you to see.
I have searched every where online have not been able to find any thing like it. To be continued.........
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