Hitec HS-5645MG - Digital High Torque MG Servo

Specifications

Modulation: Digital
Torque: 4.8V: 143.00 oz-in (10.30 kg-cm)
6.0V: 168.00 oz-in (12.10 kg-cm)
Speed: 4.8V: 0.23 sec/60°
6.0V: 0.18 sec/60°
Weight: 2.11 oz (59.8 g)
Dimensions: Length:1.59 in (40.4 mm)
Width:0.77 in (19.6 mm)
Height:1.48 in (37.6 mm)
Motor Type: 3-pole
Gear Type: Metal
Rotation/Support: Dual Bearings
Rotational Range: (add)
Pulse Cycle: 20 ms
Pulse Width: 900-2100 µs
Connector Type: (add)
Hitec HS-5645MG
Brand: Hitec
Product Number: 35645S
Typical Price: 54.95 USD
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Reviews of Hitec HS-5645MG (5)

  • Rating:

    Application(s): Used the HS 5645mg on warplane 101in Tucano . So far they have work great. I would use again.

    Comments: So far I would use them again

  • Rating:

    Application(s): 3d and aerobatics

    Comments: I'm not going to bash this servo completely, but it is NOT a good servo for higher performing 3d or aerobatic aircraft. It is true, this servo and the xxxx25mg definitely have centering issues! I used the Hitec programmer, it didn't help. Resolution is poor. These will work quite well in warbirds, larger trainers, or maybe a sport aircraft that's not overly fast. I had 12 of these and sold them all!!!

  • Rating:

    Application(s): Steering servo Rustler

    Comments: Used it in my Rustler for a while as a steering servo until it burned up. I can't fault it though as a rock got lodged in the bellcrank and ended up frying the motor before I could get to the car and turn it off.

    I find it a bit too slow for a steering servo in a 1/10 like the Rustler unless you're just bashing, but it's quite noticeably slower than the 7985mg I also have as well.

    It's a pretty decent value for around 50 bucks, but I doubt I'd ever get one of these again. For another 30 bucks you could get the 7985 which is just faster, stronger, and keeps my car going straighter. The 5645 developed quite a bit of slop after a while which made it hard to keep it going straight.

    Also, Hobbyking has some stuff that rivals the higher end, super fast high torque titanium gear servos like the 1258tg. I'd go with one of those even though it needs a bec with castle stuff.

  • Rating:

    Application(s): All Velox Feibao surfaces

    Comments: Servo is terrific. Have used this one on my Velox Feibao. Sppedy is ok, but you need the programmer to spped this up. Don't want another one :)

  • Rating:

    Application(s): ailerons

    Comments: good: this is a ok servo for sport plane up to 120 size. Lots of power. Low amp draw.
    Bad:
    a little slow,even on 6v they are slower than my 5495's on 4.8V
    Centering issues on mine made ganging 2 per aileron not a option. (yes i tried the programmer)
    out of the box there was about 1/8" gear slop using 1"
    horns. Dont reccomend for any speed planes. There is built in flutter factor here.
    Bought these on advice of a friend. guess i know who not to listen to for the next purchase.

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