31.5" EPP 3D Airplane YAK55 Features: • Kit version - Assemble and install your choice of electronics • All hardware accessories included in kit • Durable EPP material with realistic printing resemblance of a shark • Simple to build Specification: Wingspan: 800mm Length: 875mm Flying Weight: 400g Suggested Power System: Motor: 2212 1400KV ESC: 20A Servo: 9g *4 Propeller: SF 8-9inch Radio: more than 4CH BATT: 2S 1200-1500mAh (Not incl.) Different versions supplied as below: E1701=E17 YAK55 KIT+APC SF9047 E1702=E17 YAK55 KIT+Motor(2212 1400KV+3.5mm Banana Male Plug+3.0mm Prop Adapter) E1704=E17 YAK55 KIT+Motor+ESC(20A E-Power+3.5mm Banana Female Plug+XT60 Plug)+Servo(9g*4)

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Booma RC Regulatori-Switch (6 V Regulated Dual Battery Redundancy switch with Fail-Safe Tech) 

If you want a switch that offers complete dual battery balancing and redundancy with an ultra-small footprint for your scale model then look no further. The new Booma RC intelligent redundant battery balancing switch is the answer.

This switch works with any single or dual battery system. Works with battery chemistry and voltage range from 2.5v to 28v. It comes with a Pin Flag and Ultra Bright Blue LED which can be mounted discretely on your scale model. The Pin Flag controls the internally mounted switch and battery redundancy circuit. The result - beautiful scale appearance with dual battery redundancy peace of mind.

This new balancing technology offers zero voltage drop battery balancing and redundancy which means it can handle huge loads without generating heat. This also means your receiver and servos get all the power unlike conventional battery balancing which loses precious power as heat.

Package Includes:

• 1 x Pin Flag Switch with mounting hardware.

• 1 x Ultra Bright Blue LED with mounting hardware.

• 1 x Dual Battery Balancing power switch circuit.

• 2 x sets of Input and Output JR connectors.

Specs:

• Ultra low foot print for the best scale looks.

• Works with single or dual battery configuration.

• Works with all battery chemistries. LiFe. LiPo, Lion, NiMh, NiCD. Battery voltage range can be from 2.5volts to 28 volts.

• Capable of handling input voltages up to 28volts.

•  Minimal external footprint - All you see on the outside of your model is a 3mm Pin Flag socket and (if required) an ultra-high bright Blue LED. The Pin Flag controls the internal power switch and dual battery redundancy.

• Full Dual Battery Redundancy - If one battery fails the other battery takes full control.

•  Maximum Battery Power Balancing - In a dual battery system HS1 draws current proportionally from both batteries while moving both batteries to a complete load balance situation. This means you get the maximum capacity out of both batteries all the time.

• 2 x 25 amp independent circuits. HS1 is 2 x 25amp circuits into a high power matching battery redundancy circuit. HS1 actually uses 4 x 50 amp rated FET circuits for battery power matching. We passively rate HS1 at 25amps per circuit.

CLS-43AWC Water Proof,+Lockable Servo Arm (49.1 kg/682oz, 0.12 sec @ 8.4V New generation Servo) 

Majestic Model Rocket Kit, Pro Series II E2X