SKU: 74943278447

JR PROPO S8911 BL 2K HV Servo - High Torque, Digital, Brushless, Standard

$170.99 $189.99
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Description

JR PROPO S8911 BL 2K HV Servo - High Torque, Digital, Brushless, StandardThe S8911 BL 2K takes the spot at the top of JR PROPO's lineup for a reason. With over 800oz in of torque and rated speed at 0. 13sec 60 at 7. 4V it is truly without equal in the JR PROPO lineup. This 79g 2. 8oz servo can lift a two liter Coke bottle 10 inches off the ground at the end of a ruler before you can say "WOW!" JR PROPO is Back JR PROPO has always been known for quality. They are truly one of the all time great brands in RC flown by world

The S8911 BL 2K takes the spot at the top of JR PROPO's lineup for a reason. With over 800oz-in of torque and rated speed at 0.13sec/60° at 7.4V it is truly without equal in the JR PROPO lineup. This 79g / 2.8oz servo can lift a two liter Coke bottle 10 inches off the ground at the end of a ruler before you can say "WOW!"  

JR PROPO is Back
JR PROPO has always been known for quality. They are truly one of the all time great brands in RC flown by world champions in just about every discipline you can image. Now, with new ownership to lead them into the future combined with the winning mentality of the past, JR PROPO is poised to once again impress the true meaning of Japanese quality and precision upon the world of modeling.

Features

  • Specially designed brushless motor 
  • Programmable with the JR PROPO XBUS 2K Servo Programmer w/ Servo Sync Firmware
    • Compatible with the industry leading JR PROPO servo sync firmware, which matches the movement of a set servos attached to one control surface over 120 separate points
    • Adjustable Endpoint, Neutral, Rotation Angle (120°/150°/180°), Gain, Holding, Dumping, Dead Band, Boost
  • Metal gears forged from Japanese "Super Steel" 
  • Dual ball bearing support on the output shaft
    • Oversized upper bearing 12x6mm 
    • Bottom bearing 10x6mm
  • Standard sized case drops in perfectly to most ARF servo mounts
  • 2K firmware verifies the position of the servo 2,000 times/second
  • 100% CNC Aluminum case for the perfect balance of lightness, strength, and heat dissipation
  • Beautiful mixture of anodized aluminum and polished aluminum accents. RC jewelry!

    Specifications 

    Torque

    [6.6V] 51.7 kg-cm / 718 oz-in
    [7.4V] 58.0 kg-cm / 805 oz-in
    [8.4V] 65.8 kg-cm / 914 oz-in
    Speed

    [6.6V] 0.15 sec/60°
    [7.4V] 0.13 sec/60°
    [8.4V] 0.11 sec/60°
    Weight

    79 g / 2.79 oz
    Dimensions (LxWxH)

    35 x 20 x 40.5 mm
    1.38 x 0.79 x 1.59 in
    Operating Voltage

    4.5 V - 8.5 V
    Servo Lead Length

    300 mm
    11.8 in
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 74943278447

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    4.9 ★★★★★
    Based on 12 reviews
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    Brice
    Carnegie, US
    ★★★★★ 5
    Soft, Gentle, and Perfect for Sensitive Skin
    Size: 2T-3T, Unit Count: 76
    We use Pull-Ups Skin Essentials as “sleeping underwear” for nap time and bedtime with my mostly potty-trained son. He has eczema and is very sensitive to many diaper brands, but these have been amazing! They’re super soft, fit comfortably, and sit well on his skin without causing any rashes or breakouts. They also absorb well — we haven’t had any issues with leaks. A fantastic option for little ones with sensitive skin!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 19, 2025
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    monique
    Massapequa, US
    ★★★★★ 5
    No leaks or blowouts! Great for sensitive skin
    Size: 3T-4T, Unit Count: 112
    We swapped my son who has sensitive skin to these and its been about 3 weeks with zero issue. No leakage(I put them through heavy testing) and no blowouts so far!
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    Reviewed in the United States on February 15, 2026
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    Iryna
    Port Orchard, US
    ★★★★★ 5
    Excellent quality and adequate price
    Size: Size 4, Unit Count: 120, Size: Size 4, Unit Count: 120
    Got it — I’ll write you a strong, natural, insight-rich review I’ve been using these diapers consistently since my daughterwas born, and after several reorders, I feel confident sharing a detailed review for parents who are trying to decide. First, what really stands out is how lightweight yet absorbent they are. They don’t feel bulky when my baby is wearing them, which makes a noticeable difference in comfort—especially during longer stretches like naps or overnight use. Despite being light, the absorbency is reliable and holds up well throughout the day. One feature I truly appreciate is the quality of the inner filling. Unlike some other brands I’ve tried, the padding here does not become lumpy or uneven, even after extended wear. It stays evenly distributed, which not only improves comfort but also helps prevent leaks. Comfort overall is excellent. The material feels soft against the skin, and I haven’t noticed any irritation or redness. Another big plus for me is that these diapers are completely free of any strong odors or artificial scents. Some brands have a noticeable smell right out of the package, which I personally don’t like—but these are refreshingly neutral. Fit-wise, they stay in place well and don’t sag easily, even when full. That adds peace of mind, especially when we’re out or during overnight use. I’ve reordered these multiple times now, which says a lot. They’ve been consistently reliable, comfortable, and well-made. Based on my experience, I would definitely recommend them to other parents looking for a dependable everyday diaper. Overall, a solid choice that balances comfort, quality, and performance.
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    Reviewed in the United States on March 20, 2026
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    Dianet Bernal
    Alexandria, US
    ★★★★★ 5
    Huggies Little Movers Size 4 Diapers – Reliable, comfortable, and great fit
    Size: Size 4, Unit Count: 150
    Huggies Little Movers Size 4 diapers are excellent for active babies. They fit perfectly for babies between 22–37 lbs and allow great freedom of movement without leaks. The stretchy waistband and snug fit help keep the diaper in place, even when the baby is crawling, walking, or playing. The absorbency is very reliable, keeping my baby dry both during the day and overnight. They are soft, gentle on the skin, and do not cause irritation. I also appreciate that they handle messes well without leaking. The value pack with 150 diapers is very convenient and lasts a long time. Even though the packaging may vary, the quality is always consistent. Overall, these diapers are dependable and a great choice for growing, active babies. Highly recommended
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    Reviewed in the United States on January 8, 2026
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    D.S.B
    Bozeman, US
    ★★★★★ 5
    Top tier quality
    Size: Size 3, Unit Count: 168, Size: Size 3, Unit Count: 168
    Let me start off by saying I love huggies. Number one recommended for babies. I have use other diaper brands available in the market.I chose to try this Huggies diaper, and I am extremely pleased with my decision! It is remarkably soft. My precious babies spend a significant amount of time in them compared to other diapers brand. These diapers are nearly perfect in that regard. They fit snugly without being excessively tight. The design is truly effective in preventing blowouts and leaks. The diaper pad boasts excellent absorbency, but it is the double-lined barrier around the legs that primarily prevents leaks. Regarding the price, these diapers are slightly more expensive, but I believe they are worth every penny. You genuinely receive good value for your investment in these diapers.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 17, 2026

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