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hs5925mg throttle servo          OFNA Nitro Talk Back Forum Forum Index -> Hyper 7 View previous topic :: View next topic   Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Sun Dec 19, 2010 6:19 pm    Post subject: hs5925mg throttle servo 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 Back to top Author Message triplebvalp Joined: 11 Mar 2006 Posts: 333 Location: Valparaiso, FL Posted: Mon Dec 20, 2010 3:46 pm    Post subject: If you zero out both trims, does the servo work? Also, ensure your receiver/transmitter batteries are in good condition and charged. Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Mon Dec 20, 2010 4:21 pm    Post subject: 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 Back to top Author Message triplebvalp Joined: 11 Mar 2006 Posts: 333 Location: Valparaiso, FL Posted: Mon Dec 20, 2010 5:08 pm    Post subject: 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 Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Tue Dec 21, 2010 2:08 am    Post subject: 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 Back to top Author Message triplebvalp Joined: 11 Mar 2006 Posts: 333 Location: Valparaiso, FL Posted: Tue Dec 21, 2010 5:15 am    Post subject: 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 Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Tue Dec 21, 2010 3:41 pm    Post subject: flat slide 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] Back to top Author Message triplebvalp Joined: 11 Mar 2006 Posts: 333 Location: Valparaiso, FL Posted: Tue Dec 21, 2010 3:44 pm    Post subject: What engine is it? Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Tue Dec 21, 2010 4:41 pm    Post subject: CMB .21 Not sure if is the carb that came with it,just bought it all used Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Tue Dec 21, 2010 4:43 pm    Post subject: Been asking around about it they specialize in rc boat motors but made a line of rc car engines at one time. Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Tue Dec 21, 2010 4:53 pm    Post subject: 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/ Back to top Author Message triplebvalp Joined: 11 Mar 2006 Posts: 333 Location: Valparaiso, FL Posted: Tue Dec 21, 2010 6:20 pm    Post subject: Here you go, the first 3 pics are of 4 needle carbs and the last 2 pics are of 3 needle carbs. Carb Needles Back to top Author Message Jay Yarrington Joined: 18 Dec 2010 Posts: 10 Posted: Wed Dec 22, 2010 3:03 am    Post subject: 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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