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This is essentially an upgraded version of the famous towerpro MG995 servo. It now has a redesigned PCB and IC controll system which makes it far more accurate. Its internal gearing and motor are also upgraded to improve dead bandwith and centering. All specifications are the same as the previous model MG995, however this servo is far more accurate, and safe to use in aircraft which require precise servo movements and perfect centering.
Weight- 55g Dimension 40.7*19.7*42.9mm Stall torque 10kg/cm Operating speed 0.20sec/60degree(4.8v) Operating voltage 4.8-7.2V Temperature range 0_ 55 Servo Plug: JR (Fits JR and Futaba)
believe it or not its a digital servo, experienced these gone through 4 but 15kg torque, 0.13sec tuned. very good servo, dont last that long for me half year, one went on fire, others died slowly.
ayden.
Just for the record, this is not the actual Tower Pro version though, this is the Toward pro which does not have brass bearings for gear guides (guides not ball bearings on main gear, they both have those), this instead is plastic (cheaper)
these are GREAT servos for RC rock crawlers! i have used these on all of my crawlers, and have not been able to destroy one of these! i am using one in a slash now, and giving it a pretty good thrashing, as well! there are some "weaknesses" though with these servos, that explain the carzy low price:
1.) to get the full torque, they need a steady diet of AT LEAST 6V. so on an RC car, you might have to run an external BEC in order to get the full voltage.
2.) for car/truck applications, other than rock crawlers, they are a bit on the slow side. granted, it's only 0.06-0.10 of a second, but it is noticable in a short course truck.
all in all, i will still turn to these servos first, when i need something for a crawler, or a low cost back up to keep on hand in my box.
i didn't know that HK stocked these until just now though!
I'm not a flyer, so I dont know how much beating it would take in an Ultimate 120. But this servo does its job in my 1:8 Savage X and Savage Flux. The metal gears are also strong enough to endure my bashing style. Plus you cant beat the price. So if the size and torque is sufficient for your need, I think you can go for it.
i've been using these servos in both my 1/8 and 1/5 cars and never had a problem...They are very strong servos but i hear from others that are failing...I would not put them in an Airplane...in the other hand many others trust them enough for planes...maybe you could take the risk...
No! The angle of most servos is 180 degrees or just above that.
Pick two random positions and measure the time it takes to move from one to the other. Repeat this lots of times and calculate the average.
It turns out that if the travel speed is constant you'll get the same average time as 1/3rd of the time it takes to move the full 180 degrees.
So that is why servo speeds are always measured at xxx seconds per 60 degrees.
Speeds are probably not constant in practise, but the measurement can be compared with other servos this way.
so is this a digital or analog servo, my LHS is also selling same name " towerpro 996r " but is badged as Digital Metal Gear Standard Servo (0.17sec/60Deg*4.8V), so is this the Tower pro 996r analog version Metal Gear Servo, or are they the same? You can google seacrh for Jet hobby, go to servos, towerpro brand, n u will see the MG996R digital metal gear servo i am talking about.
but the image of it says 'towardpro'
I did some other searching online, and the only images I could find of 'towerpro MG996R' all have the towardpro sticker on them...must have been an error from the (asian?) manufacturer. Thanks :)
increible el precio de estos magnificos servos, funcionan a la perfeccion,gracias a hobbyking puedo permitirme el lujo de volar aviones de gasolina gracias a sus fantasticos productos a bajo precio
in a HK 500 this servo is way too big and heavy to fit in, and this servo is also too inaccurate for precision Heli control. You should get some smaller and more accurate servos there.
This servos is too slowly for one hk500. It's perfect for a one plane 30cc but, in the cyclic plate ok, but not for gyro. I need one servo more quickly
Servo abbastanza potente, non velocissimo ma abbastanza per molte applicazioni. Per ora comanda il timone orizzontale di un Extra 300 1.80 Mt Ap Al. 5 Kg. e va benissimo.
Per il suo prezzo lo consiglio vivamente.
Ritorno al centro preciso e senza pi tremolii come il suo predecessore.
Since the voltage passes through your ESC to the receiver it's the voltage output of the reciever that counts. The servo can take 4.8V-7.2V you will be fine if your Rx outputs in that range.
YES! It says 7.2v, which is the "nominal" voltage for lipo batteries. You will not have any problem running two cell lipos and the voltage will quickly drop to around 8.0 or less when it's actually being used.
No. They are rated for 4.8-7.2 volts. You need to find a proper high voltage rated servo, or use a BEC or some other form of voltage regulator with a 2S LiPo.
Yes, no problem for 2S. See "Operating voltage 4.8-7.2V". 7.2V means 2S Lipo (in general there is written 7.2 for 2S since it is "rated voltage" of 2S lipo).
Specs at 4.8-7.2v operating range and 2s is 7.4 (fully charged they are over 8.5 IIRC) so I would say no UNLESS you use a voltage regulator set to an acceptable voltage (I would run it around 7v... always leave yourself a little headroom), then you should be ok.
NO, the servo running with 8.4v (2S full charger), but in 20-30 flys the servo cann't find center and broken and die. 8.4v is too voltage. One bec and 6v it's the best opcion.
You can burn it out even at 4.8V! Depends on chance. New 6 cell NiMh pack can be charged up to 8V and it is NORMAL. Anyway, this servo CAN handle 2S LiPo with appropriate receiver or via power box to separate receiver and servo powerlines.
YES you can reverse it changing cable . 1. Change the cable of the Motor 2.- when you open the servo you will se a board you will see on the back of the board 3 cables Brown, white and red . You need to swap the white with the Red and that´*s it use a very low watt solderig iron (20 W max) . After reversing the Servo i tested with 250 -300 full cycle no Load and about 100 cycles with Load . Now I mounted it on My P-51B 120 .driving the FLAPS without adding any extra point of failure andno need for any extra channel. For The Servo cycle i used The Turnigy Servo Tester SKU: TGY-ST
Does this apply to all servos ? How is this different from switching the and - at the plug please ? Are the White & Red on the back of the board the incoming leads or wires to the motor only ?
Hola, he comprado varios de estos servos. Van fenomenal, en comparación con los anteriores 995 son mucho mejores, no silvan y van más rápido. Los he abierto y la electrónica no tiene nada que ver, es mucho mejor. Lo único igual son los piñones.
Saludos
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Overall Rating
Jon McLendon
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35 thumbs up!
These servo's are GREAT!!! they enter very well, and are SUPER strong. The servo arms are very beefy, and show very little signs of flexing. Also, the servo wires are very thick compared to most standard servos to handle the peak currents required for high torque servos. Servo connectors fit snugly on my receiver, and won't come off in the air or in a crash. BTW, very nice set of rubber bushings with brass inserts. Should protect the servos from vibration. (yes, that can damage electronics)
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Juan Banos
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34 thumbs up!
Despues de probar durante un tiempo la generacion anterior y satisfecho con su fiabilidad, pese al ruidillo caracteristico, he pasado a usar estos, para mi son el equipamiento estandard para todo uso.
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manthree
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30 thumbs up!
Excelente servo, compre dos y he quedado totalmente satisfecho, centran perfecto y no hacen mas ruido del que debe de hacer un servo, la electronica esta mucho mas cuidada que en la generacion anterior, lo he usado en un rustler de traxxas en la direccion, en un tc3 touring y un mini cooper con un excelente rendimiento.
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rafael pozuelo fernandez
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17 thumbs up!
buen servo, parece que han mejorado el centraje y los pulsos de busqueda, en cuanto a los piñones parecen ser los mismos recomendable
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