Bluebird H51B X 12pcs - 85 each.
$80 each and $ 5.00 shipping flat (ie 5pcs will be 405, 10pcs will be 805...)

Thinning my fleet of 40% planes - just sold one of my 40% so these need to go. About 10 or so flights.

https://www.blue-bird-model.com/products_detail/394.htm

Here are the specs:

Electrical Specification (Function Of The Performance)
Torque At 6.0V 44.7 kg-cm / 620.8 oz-in
Torque At 7.4V 53.1 kg-cm / 737.6 oz-in
Torque At 8.4V 57.5 kg-cm / 798.7 oz-in
Speed At 6.0V 0.12 sec / 60°
Speed At 7.4V 0.10 sec / 60°
Speed At 8.4V 0.09 sec / 60°
Protection Mechanism
Soft Start Protection Soft start to 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 degree C, drive the protection mode and down 75 degree C
return to normal mode.
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 )
Dead Band Width 0.001ms ( Default：1us)
Mechanical Specifications
Ball Bearing Dual, Steel
Gear All Steel Alloy Metal Helical Gears
Outside Case Full One-Piece Aluminum CNC Casing
Motor High Efficiency Japan Brushless Motor
Horn / Gear Spline 25 Teeth ( Same as F-Type )
Physical Specifications
Dimension (mm) 40.5 x 21 x 38.5 mm / 1.59 x 0.83 x 1.52 in
Weight (gram) 83.0 ± 1 grams / 2.93 oz

Do you still have some 42a’s?

Originally Posted by duschiavon

Do you still have some 42a’s?

Yes have 6 left.

I need 4
$?