Blue Bird BMS-125WV+ Servo - 7.1Kg.cm 0.09s 11.3g 10mm

Purchased for a slope version of the Magnus that requires as low a height servo as possible and this was substantially less expensive than the MKS, or KST options.

Use these a lot but the Jury is out not yet sure of them I think you need to spend more to get better great service

These little servos seem to be great so far, no complaints yet anyway. They feel good and the price is good. Im done with cheap servos. I think im gonna stick with these. Im a sport flier and not rich so these suit me fine. Ive had a few queries that i emailed to Hyperflight and received a prompt response. Overall a good experience.

These Bluebird WV+ servos are great, they run well on just a single LiPo and even better with a 5V boost. I've run the 127 for speed and the 125 (and 115) for torque, with good success all around. For the size, they can't be beat IMO.

And can't close the review without five-starring the Hyperflight service. Immediate shipping and great delivery, internationally.

I brought this servo as a replacement for the previous BMS 105 servo. That got wet and basically stopped working. (Don’t ask)!
This replacement seems more precise than the 105 so that’s all good. I’ll not to get it wet.
Good value for the performance. Ideal for small slope soarers.

these servos are great value and are performing well will buy again.

these servos are great value and are performing well will buy again.

Had many servo's fail over the years, I now only use these servo's they are bullet proof and truly do what they say on the tin. You pay for what you get, and honestly these are as comparable to the really top end expensive servo's I've brought in the past.

I've used them for my F5J Inside glider. I get great control and responsiveness with more than enough power for the job. Quick deliver as always with Hyperflight. Will buy for my next model

Arrived on time, good service as always

I really like the Bluebird BMS-125WV and BMS-115WV servos. They are very light in weight and the gear train is very tight. They are very affordable compared to other brands that don't last long. Mind you I no longer fly competitions so this is from a sport flying point of view. As I am still in the process of finishing the installation in the JTIRC Dream2 my first moulded wings glider it is not possible to comment on the performance of the Dualsky 3040 motor. However the aluminium spinner with its offset blade holders allows the CN 10×6 prop blades to nestle into the side of the fuselage and as they are only 2gms per blade should not be a drag on the glide. I have now compared the moulding quality with a couple of my sons machines and the Dream2 compares extremely well. Unfortunately the included fittings are very poor in my opinion, so have been replaced with better quality products. For a newcomer the lack of any manual/instructions was not helpful however reference to the internet did provide guidance.
HyperFlight, Neil was great and the service provided was first class thank you HyperFlight!

Excellent little servos, look well made. Have used them in anger yet as their intended model is not started yet. However, have hooked the servos up to a receiver and done an initial test, all looks good

The two servos I ordered were great. Really small and still powerful. Was a fairly tight fit into my Malibu 1m DLG, but that was expected.

Unfortunately, after a couple not so soft landings and plugging them in and out a few times, one stopped working. Since I live in Germany, ordering another one from this store was out of the question (high shipping cost, tax, fees, …). I would've liked to get a similar one again, but couldn't find one anywhere.

Haven’t tried as yet but great service and support over the years I’ve done business with you.
Thanks Neil

Half the price of the MKS6100HV and better in every other way too IMHO.
Currently doing duty in a Nan Shadow F5J driving the tail surfaces.
Buzz free, accurate centering, easy to fit and servo horns are a good fit too.

Recommended. Will buy again, thanks Hyperflight.

The servo was delivered quickly and well packed, something which I have become accustomed to with Hyperflight. The servo runs smoothly and centres well so I'm very pleased.

Bought 6 for a Nan Omega v2 worked fine centered well adequate torque. However one failed during model set up and had to be returned, hence the three stars.

HyperFlight reply: Sincere apologies for the inconvenience, but we wouid like to add that we did give a 50% refund for the returned servo. Not a full refund as the servo lead had been shortened and the servo showed signs of wear.

Excellent servos, good centering, no/minimal backlash, reliable, wide voltage range, good value.

Used these on my bicopter build. They were fast and accurate and did a great job until I had a bit of a crash. Both now have damaged gearboxes unfortunately. I'm hoping there's a service kit!

Used these servos in a number of installations. Great value and a reliable performer

Used Hyperflight a few times and they are now my go to store for good value, great spec equipment. Nothing is too much trouble for these guys. Highly recommended.

I had two '105' old versions fail when overstressed trying to open jammed undercarriage doors on my SHK. My carelessness. Nevertheless the new ones work fine and appear better overall.

Got them in my F5J plane (Crozilla) and works perfect now after 25 hours of flight.

If you invert your power source you'll not just damage these you will fry them as they have no protection. I just lost 2... ;-( Own fault I know.

update on previous review fitted in flaps no response after landing smoke coming from servo and fitted new servos and worked great servo problem i think or just unlucky

The servo is nice but has some play, the mks DS6100 does not have that so I go for the mks.

I haven't got to use these servos yet. I bought 2 of then and one died after 6 cycles on the tester didn't get anyway near the plane.
Waiting for a replacement to arrive.
They look very good, at least it had the decentness to die on the table.
Buying from the opposite side of the planet is a bummer when things don't go to plan.

Usual good advice and prompt delivery

Excellent service and communication - 10 days order-to-door from UK to Australia. Have only tested one so far, but looks the goods and the price is right. Thank you!

As usual good service

bought several of these not fitted but appear reasonable quality Service as usual perfeect

Early days yet, thanks to the plague, but the performance so far is excellent for such a compact, moderately priced servo. The service from Hyperflight excellent as ever.

Four servos delivered, without fuss, on time and whilst not yet fitted in to model I am very pleased with them. Packaging exceptional! I have no reason to believe the servos will perform to the same standard.

Work very good and exact.

Great little servo I have installed in model but not flown yet good price

Great looking servo, excellent value and service from Hyperflight

These servos are accurate and good value for money.

Used Blue Bird servos in my F3K and have been more than happy with them so decided to use these in my newly purchased Osprey F5J. They behave implacably.

good and fast servos! very fast shipping I will keep buying from Hyperflight. Thumps up