RedwingRC Accessories

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The Redwing RC Office will be operating with reduced staff until 24 Jun. Orders can still be accepted during this time but will take longer than usual to process/ship. If you need the item urgently (moved to top of the list), select Priority express and we will do our best to rush the order out to you as quickly as possible.

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BMS-1904, HV-DIGITAL, HIGH TORQUE, ULTRA HIGH SPEED, CORELESS (22.6kg / 313.9oz .035/sec 8.4V) (Heli Series)

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Our Price:

$69.99

Quantity (6)

Details


Availability	6 in stock
Weight	0.51 lbs
SKU	BBR-BMS-1904
Manufacturer	Blue Bird

BMS-1904, HV-DIGITAL, HIGH TORQUE, ULTRA HIGH SPEED, CORELESS (22.6kg / 313.9oz .035/sec 8.4V) (Heli Series)

Application / Suitable

Priority for Helicopter tail [ Rudder ] & 1/10th On-Road, Drift Car. (EP / Gas / Nitro)

Specifications

Torque At 6.0V	16.3 kg-cm / 226.4 oz-in
Torque At 7.4V	19.8 kg-cm / 275.0 oz-in
Torque At 8.4V	22.6 kg-cm / 313.9 oz-in
Speed At 6.0V	0.058 sec / 60°
Speed At 7.4V	0.046 sec / 60°
Speed At 8.4V	0.035 sec / 60°

Protection Mechanism

Soft Start Protection	Soft start to a neutral position.
Over Voltage Protection	Over 9.0V drive the protection mode and 8.4V return to normal mode.
Low Voltage Protection	Lower than 4.0V, drive the protection mode and 4.5V return to normal mode.
Locked Rotor Protection	Stall in 5 sec, output torque goes down.
Temperature Protection	Overheat 85 degrees C (185 degrees F), drive the protection mode and down 75 degrees C (167 degrees F) return to normal mode.
Lose Control Protection	When losing the transmitter signal, that servo will be back to the neutral position immediately and lock.

Power Supply

Operating Voltage Range

4.5V ~ 8.5V ( 4 ~ 6 Cell Ni-MH or 2S Li-Poly / 2S Li-Fe)

Control Specification

Control System	Digital Controller / AD 12-Bits Resolution ( 4096 Steps ) Frequency：Up to 333Hz / Neutral：1500us or 1520us
Dead Band Width	0.001ms ( Default：1us)

Mechanical Specifications

Ball Bearing	Dual ball bearings
Gear	All Steel w/ Nanometer Alloy Gears
Motor	High Premium Coreless Motor
Horn / Gear Spline	25 Teeth ( Same as F-Type )

Physical Specifications

Dimension (mm)	40.5 x 20 x 39 mm / 1.59 x 0.79 x 1.54 in
Weight (gram)	66.0 ± 1 grams / 2.33 oz
Product Picture / Dimension Sketch

Muffler Extensions, Exhaust Tubes (Fits DLE and other engines)

DLE Muffler Extensions

Description:

Choose from 5 sizes!

These extensions fit over the exhaust exits on your DLE muffler. Below are some size dimensions and the muffler that each will fit. It is still a good idea to measure the exits on your muffler.

FORMAT: LxW (width is inside diameter)

A: 63x15 mm : DLE 20RA

B: 64x17 mm : DLE 35RA/40

C: 78x20 mm : DLE 55RA

D: 96x25 mm : DLE 55, DLE 111, DLE 120

E: 121x31 mm : DLE 61, DLE 85

*Sold individually- if you have a twin engine, you will need two extensions

*Each Hose extension comes with a metal clamp to tightly secure it to the muffler.

DLParts-

$6.99 6.99

100-140cc Twin Canister Muffler (DLE111/120/130, EME120, DLA112/116)

100-130cc Twin Canister Muffler (DLE111/120/130, EME120, DLA112/116)

D-CN-100-130

$189.99 189.99

Viton Tubing Fuel Tube 1 Meter 1/8" ID x 1/4" OD x 1/16" Wall For Gas Engine

Viton Fuel Tube/Tubing 1 Meter 1/8" ID x 1/4" OD x 1/16" Wall For Gas Engine
Safe for Gasoline - sized for DLE engines and many others
3mm i.d. - 6mm o.d.
(also known as medium size - fits the DLE 20/30/55/111 and many other)

Sold in 1 meter (3ft) Sections. Please select how many Meters you want

Viton-Fuel Tube

$19.99 19.99