Ola Fremming's homepage

 

Servo test results

Presented below are the test-results of the servo's tested so far, good and bad, old and new. Description of test method and how the results are presented can be found here.

The most recently tested, with a more detailed set of results.

Savöx SB-3292sg Savöx SB-3262sg Savöx SV-1262mg Savöx SV-1250mg Savöx SV-1250mg v2          
Theta TH59218 Theta THM388 Theta THM988              
MKS HV6130 MKS HV6150 MKS HV9767 MKS HV69 MKS HV737 MKS HV6125E        
Futaba BLS-A600 Futaba HPS-A704 Futaba S-9350 Futaba S-U300            
Graupner HBS790                  
KST X10 KST X08H V6                
JR MP91SWV JR 3415-2k                
KingMax CLS2875H                  
BlueBird BLS-A208+ BlueBird BLS-A910+ BlueBird BLS-A931+              

 

An Excel-sheet to compare

Older servos and older test coverage / result presentation

Manufacturer specifications

My test results (if not otherwise stated, at 5.0V)

Servo designation

Weight [g]

 Size (LxHxW) [mm]

Speed [s/60°]

 Torque [kgcm]

Gearbox

Start-stop Speed [s/60°] 

 Speed [s/60°]  (No load) Speed [s/60°] (@2kgcm) Accuracy [°]       (No load) Accuracy [°] (@2kgcm) Complete Results Comments

=== FUTABA ===
Futaba FP-S128 53 40.5x40.5x20 0.24 3.5 Plastic 0.29 0.26 0.45* 0.84 9.5 FP-S128  *Tested at 1.5kgcm, failed test at 2kgcm
Futaba S9102 45 41x25x23 0.16 2.8 Plastic  0.19 0.17 0.39 0.29 6.2 S9102  Not new,  overshoots when stopping 
Futaba S9602 31 36x30.7x15 0.09 2.7 Metal 0.14 0.11 0.26* 0.54 15.5** S9602 *Tested at 1.0kgcm    **Tested at 1.5kgcm
Futaba S9650 26 35.5x28.5x15 0.11 4.5 Metal 0.17 0.13 0.30 0.58 8.3 S9650  
Futaba S9451 56 40x36.5x20 0.10 8.7 Metal 0.16 0.12 0.17 0.59 2.6 S9451  
Futaba S9551 45 41x25x20 0.14 4.8 Metal 0.16 0.13 0.19 0.4 1.6 S9551 VERY precise
Futaba BLS551 44 40.5x25.4x20 0.13 7.3 Metal 0.13 0.12 0.17 0.97 2.14 BLS551  
Futaba BLS153 26 35.5x28.6x15 0.15 5.5 Plastic ? 0.17 0.15 0.23 0.77 6.1 BLS153  
Futaba 3173SVi 20 30x10.8x29.1 0.16 4.3 Metal 0.16 0.32 1.16 3.1* *At 1.5kgcm, tested at 8V

  === HITEC ===  
Hitec HS645MG  60 40.5x38x20    0.2  9.6  Metal  0.29 0.22 0.30 0.96 5.8 HS645MG     
Hitec HS5955TG 62 40x37x20 0.19 18 Metal 0.22 0.17 0.19 0.58 2.9 HS5955TG  
Hitec HS-7245MH  34 32.4x16.8x32.8 0.11 6.4 Metal 0.12  0.086   0.125 1.02 2.4   HS-7245MH NB : HV, tested with 2sLiPo    
Hitech D-145SW 24 30x10x37 0.14 6.0 Metal 0.16 0.11 0.15 0.8 9.6 D-145SW NB : HV, tested with 2sLiPo
Hitec HS-7115TH 20 26x8x38 0.1 3.9 Metal 0.14 0.09 0.20 0.94 14.6 HS-7115TH NB : HV, tested with 2sLiPo

=== HEXTRONIC ===
Hextronik D-MG16 19 29x29x11.2 0.08 2.9 Metal 0.16 0.12 0.47 0.66 8.6 D-MG16   
Hextronik HX-5010 39 40x38x20 0.16 6.5 Plastic 0.26  0.21 0.34 1.35 8.5  HX-5010   
=== HACKER/ DITEX ===
Hacker Ditex TD0905L 56 41x26.7x20 0.05 8.5 Metal 0.12 0.056 0.068 2.07 5.06 TD0905L NB : HV, tested with 2sLiPo
=== HYPERION ===
Hyperion DS16FCD 25.5 32x31.5x16 0.18 4.5 Carbonite 0.25 0.18 0.31 1.21 7.6 DS16FCD  
Hyperion DS20xSMD 52.5 40x38.5x19.5 0.13 7.0 Metal 0.18 0.12 0.18 0.71 2.4 DS20xSMD Very good for the price
Hyperion DH20xSCD 52 40x36.5x19.5 0.11 7.5 CarbonPoly 0.13 0.10 0.141 0.53 4.26 DH20xSCD NB : HV servo, tested with 2sLiPo
Hyperion DH16-SCD 26.5 32x31.6x16 0.10 4.3 CarbonPoly 0.10 0.086 0.159 1.17 6.68 DH16-SCD NB : HV, tested with 2sLiPo
Hyperion DH16-FMD 31 32x31.6x16 0.14 6.0 Metal 0.15 0.122 0.175 0.6 3.0 DH16-FMD NB : HV, tested with 2sLiPo
 === INO-LAB ===
INO-LAB HG-D250MG 21.1 30x31.5x13 0.21 4.0 Metal 0.26 0.217 0.492 0.85 4.41 HG-D250MG Quite good precision, but slow
 === XQ ===
XQ-S4116F 56 40.2x38.8x20.1 0.08 15.0 Titanium 0.15 0.087 0.098 0.74 1.68 XQ-S4116F
=== MKS ===
MKS HBL-665 63 40x40x20 0.10 15.2 Chrome-titanium 0.12 0.109 0.125 2.13 3.13 MKS HBL-665 NB : HV servo, tested with 2sLiPo
=== SANWA ===
Sanwa SRM-141AL 33 31x31x15 0.25 3.2 Metal 0.28 0.24 0.45* 0.46 7.0 SRM-141AL *Tested at 1.5kgcm, failed test at 2kgcm   
Sanwa ERG-XT 65 39x37x20 0.12 7.3 Metal 0.17 0.14 0.26 1.37 6.3 ERG-XT     
  === GRAUPNER ===
Graupner/JR C512 45 40x38x19 0.25 2.7 Plastic 0.25 0.21 0.53 1.18 16.3 C512     
JR NES 331 18 30x28.5x13 0.23 3.25 Plastic 0.31 0.27 0.52* 0.35 9.6 NES-331 *Tested at 1.5kgcm, failed test at 2kgcm  
Graupner/JR DS368 22 30x28.5x13 0.24 3.8 Metal 0.33 0.27 0.58* 0.85 4.8 DS368 *Tested at 1.5kgcm, failed test at 2kgcm
Graupner HBS-760 52 40x39.5x19.5 0.055 10.5 Carbon 0.08 0.063 0.075 0.68 3.44 HBS-760 NB : HV servo, tested with 2sLiPo
Graupner HBS-790 43 40x25.5x19.5 0.055 7.0 Metal 0.09 0.058 0.074 0.63 2.86 HBS-790 NB : HV servo, tested with 2sLiPo
Graupner HBS-690 BB  32 35x16x34.5  0.075  6.0  Carbon   0.09  0.071 0.095   1.25 4.56  HBS-690-BB  NB : HV servo, tested with 2sLiPo
Graupner Coyote 22 23x27x12 0.075 4.0 Metal 0.14 0.078 0.099 0.47 1.76 Coyote NB : HV servo, tested with 2sLiPo
=== JR ===
JR NES-7100 43 44x26x22 0.14 4.8 Metal 0.19 0.15 0.17 0.68 4.8 NES-7100  
JR DS-3421SA 26 33x26x15 0.18 4.6 Plastic/metal 0.21 0.17 0.27 0.63 4.0 DS-3421SA   
JR DS-9411SA 39 36x26x19 0.15 5.9 Plastic/metal 0.21 0.17 0.25 0.43 3.1 DS-9411SA   
JR DS-9421 38 36x26x19 0.17 5.0 Plastic/metal 0.21 0.16 0.24 0.56 2.78 DS-9421  
JR DS8900G 59 41x38x20 0.05 3.5 Plastic 0.08 0.057 0.14 0.08 3.8 DS8900G    
JR DS-8401 49 39x35x19 0.19 11.0 Plastic 0.22 0.18 0.22 0.2 2.4 DS-8401   
JR DS-8455 60 39x35x19 0.10 6.5 Metal 0.14 0.096 0.15 0.51 2.2 DS-8455   
JR DS-8355 49 39x34.5x19 0.09 6.2 Plastic 0.12 0.09 0.12 0.62 2.4 DS-8355  
JR DS3425 HV 30 38.5x26.5x15 0.11 4.3 Metal 0.12 0.09 0.20 0.47 5.24 DS3425HV NB : HV servo, tested with 2sLiPo
JR DS9525HV 43 40.5x25.5x19 0.1 5.0 Metal 0.16 0.11 0.167 0.96 3.94 DS9525HV NB : HV servo, tested with 2sLiPo
JR MP31SWV 30 33x26.5x13 0.08 4.2 Metal 0.1 0.069 0.109 0.26 9.76 MP31Swv NB : HV servo, tested with 2sLiPo
JR NX3425 30 33x26.5x15 0.1 4.3 Metal 0.11 0.096 0.202 0.45 3.98 NX3425 NB : HV servo, tested with 2sLiPo
JR-DFA 3911 38 33x14.5 0.12 22.8 Metal 0.15 0.111 0.131 1.41 4.78 DFA-3911 NB : HV servo, tested with 2sLiPo

Out of the box, not programmed
 === JX ===
JX HV4612MG 46 40.5x31x20.5 0.11 13.5 Metal 0.2 0.126 0.145 0.56 3.71 HV4612MG NB : HV servo, tested with 2sLiPo
JX HV2546MG 26 36x32x15 0.1 6.6 Metal 0.19 0.094 0.123 0.52 1.26 HV2546MG NB : HV servo, tested with 2sLiPo
 === KST ===
KST MS589 38 35.5x32.5x15 0.08 9.2 Steel 0.13 0.07 0.09 0.94 3.21 MS589 NB : HV servo, tested with 2sLiPo
KST MS320 21 23x27x12 0.075 6.2 Steel 0.13 0.07 0.104 1.05 7.75 MS320 NB : HV servo, tested with 2sLiPo
KST BLS915-2 72 40.5x20x37 0.069 21 Steel 0.07 0.08 0.61 1.23 Tested at 8.0V
KST X12 20 23x12x27.5 0.07 6.2 Metal 0.074 0.113 2.6 5.2
KST X10 mini 23 30x10x29.6 0.09 7.5 Metal 0.124 0.092 0.136 1.46 3.55

=== KingMax ===
CLS 2035H 20 23x12x26,5 0.05 5.5 Metal 0.054 0.086 1.42 5.4

NB : Servo torque is presented with the unit kg-cm, to convert to oz-in multiply by 13.86 !