RCU Review: E-Flite Blade MCX

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    Contributed by: Greg Covey | Published: July 2009 | Views: 44811 | email icon Email this Article | PDFpdf icon
    E-flite Blade mCX S300

    Review by: Greg Covey
    Video Camera : Papa Jeff Ring
    Video Pilot: Greg Covey

    E-flite Models
    Distributed Exclusively in the U.S.A. by:

    Horizon Hobby, Inc
    4105 Fieldstone Road
    Champaign, IL 61822
    Ph: (800) 338-4639
    Toll Free: (800) 338-4639
    Fax: (217) 352-6799
    Website: www.horizonhobby.com

    Complete RTF Package
    Great value and looks
    Superb Flying Performance
    No Assembly Needed
    Spektrum DSM2 radio


    Skill Level:

    Time Required to Build:
    Less than 1 Hour

    Frustration Level:
    No Problems

    Degree of Difficulty Explanation

    E-flite Blade mCX S300 RTF/BNF

    The Blade mCX S300 is another new product in E-flite's outstanding line of electric aircraft. It comes in a Ready-To-Fly (RTF) version that includes a 4-channel DSM2 transmitter or a Bind-N-Fly (BNF) version that allows experienced pilots to utilize their own DSM2 transmitter. This tiny helicopter offers unsurpassed stability and incredible control through its coaxial, counter-rotating head design and Spektrum' 2.4GHz DSM2' control. It can be flown almost anywhere indoors thanks to its 7.5-inch rotor span and one ounce flying weight.

    The Blade mCX S300 comes 100% factory-assembled, flight-tested and ready to fly right out of the box'no assembly or setup required. Also included is a LiPo battery and battery-powered DC charger. Even the transmitter and charger batteries are included!

    The DSM2 technology offers freedom from frequency restrictions and lets the Blade mCX S300 be flown with full 4-channel control that gives you the precision needed for flying in those tight spaces indoors.

    Boasting the same great features as the original Blade mCX RTF, E-flite's Blade mCX Schweizer 300C' RTF is a tough little heli with a dazzling, molded scale body. It includes a set of white and black rotor blades, simulated tail rotor, tail boom and an attractive factory-applied trim scheme to help first-time pilots learn how to fly with ease, while allowing experienced heli pilots to fly anywhere, anytime.


    • Main Rotor Diameter: 7.5" (190mm)
    • Gross Weight: 1oz (28 g)
    • Length: 6" (150mm)
    • Radio: 4-channel 2.4GHz w/Spektrum DSM2 technology (included in RTF version)
    • Recommended Battery: 3.7V 110mAh Li-Po battery (included)
    • Experience Level: Beginner
    • Recommended Environment: Indoor
    • Assembly Required: None

    Key Features:

    • Can be flown almost anywhere'a living room, a basement, a garage, and even outside!
    • Four-channel transmitter equipped with Spektrum 2.4GHz DSM2 technology, digital trims and dual rates
    • Spektrum DSM2 radio technology eliminates interference so you can fly multiple planes at the same time
    • 100% factory-assembled, test-flown and Ready-To-Fly right from the box'everything you need is included inside, even the batteries and charger
    • Single-cell Li-Po charger (included) safely and conveniently charges the battery in approximately 20 minutes
    • Coaxial, counter-rotating rotor head design for unsurpassed stability and ease of flight
    • Factory-installed 5-in-1 control unit with Spektrum 2.4GHz DSM2 compatible receiver, main motor ESCs, mixer, gyro and fully proportional servos
    • Ultra-micro' size and weighs less than one ounce
    • Scale Schweizer 300C' body and trim scheme
    • Full-line of replacement parts available
    In the Box:

    The Blade mCX S300 comes well packaged and protected. The box can easily be used to safely store the Blade mCX S300 when traveling or not in use.

    The flight battery (a single cell LiPo), charger, and 4 AA cells to power the charger are all included in the box for the BNF version. The RTF version also contains 4 additional AA-cells and a 4-channel DSM2 transmitter.

    A 40-page manual is included that thoroughly covers setup, warnings, charging, binding, testing, and troubleshooting of the Blade S300.

    Also included is a set of white and black rotor blades. Installing the Blade mCX S300's black upper blades and white lower blades give it the scale appearance of a single rotor heli while in flight.


    The only preparation needed to fly the S300 heli is to install the 4 AA cells into the charger, charge up the single-cell flight pack, and "bind" the transmitter to the receiver. The tiny single-cell 110mAh LiPo battery fits snuggly into the holder underneath the heli.

    Binding is the process of programming the receiver to recognize the unique code of the DSM2 transmitter you are using. Note that the name of the model programmed into the transmitter adds to making the code unique so that even the proper transmitter must be on the correct model for the receiver to become operational with the transmitter. This "Model Match" feature is one of the best ideas I have ever seen for a radio system!

    For the Bind-n-Fly version of the Blade S300, I used my Spektrum DX6i transmitter. Both the RTF and BNF versions require no rate change or exponential function added. I simply flew on the default settings without any experience.

    For more information on binding your mCX model, check out "How To - Bind your mCX" by Jim Booker, hosted by Horizon Hobby.

    Test Flying / Summary

    I made no adjustments to my transmitter other than a few trim clicks to allow it to hover in place. The control gains all seemed about right and I had no problem flying it without any heli experience. In fact, I even took these flying photos with the camera in one hand while flying the S300 using just the left stick!

    The video of the Blade mCX S300 shows just how versatile this little heli really is. It can be flown in very small spaces without disturbing your pets or precious collectables. The video even demonstrates that the S300 is not hazardous to wildlife while flying outdoors. It is truly an impressive micro-flyer!

    E-flite Blade mCX S300 Flying Video

    Download (17 MB) and Watch in Windows Media Player here!

    The Blade S300's 5-in-1 Control Unit is a lightweight combination of main motor electronic speed controls, mixer, gyro, servos and a Spektrum DSM2 compatible receiver. With DSM2 you never have to worry about interference from other RC users, nearby 2.4GHz devices or commercial transmission towers. There is no tuning and no channels to select. Just power up and fly''anytime, anywhere.

    Along with a tail rotor that spins freely in flight, the Blade mCX S300's trim scheme gives the tail section an authentic appearance. The canopy and landing gear also feature added details to increase the heli's overall realistic looks.

    When I first started using the Bind-N-Fly' products, I preferred to use my own transmitter. I later realized that I was always passing my good transmitter around for others to try. Once I tried the Ready-To-Fly (RTF) versions that include a DSM2 transmitter, I discovered that it worked just as well as my more expensive transmitter and I was no longer apprehensive to let others have a try. Whether you choose the Ready-To-Fly (RTF) version or a Bind-N-Fly (BNF) version that allows you to utilize your own DSM2 transmitter, flying the E-flite Blade mCX S300 indoors (or even outside in no wind conditions) can be enjoyed by all skill levels and almost any age.

    E-flite Models
    Distributed Exclusively in the U.S.A. by:
    Horizon Hobby, Inc
    4105 Fieldstone Road
    Champaign, IL 61822
    Ph: (800) 338-4639
    Toll Free: (800) 338-4639
    Fax: (217) 352-6799
    Website: www.horizonhobby.com

    Comments on RCU Review: E-Flite Blade MCX

    Posted by: pooprprospector on 08/16/2009

    Posted by: pooprprospector on 08/16/2009
    OMFG that DEER is reall that freaked me out... ohh yeah cool heli
    Posted by: mnfly on 08/22/2009
    I have the old MCX and I would highly recommend the 130mah batteries that are available for as little as $7-$8. The battery upgrade makes a big difference in flight time/power and a much quicker recovery from an emergency throttle chop to keep from hitting the ceiling in a room ;-) I don't know about the durability of the new MCX but the older model can take 8' drops to the floor and keep on going. I imagine with the new model as with the old that blade strikes are the most damaging thing and can be prevented by cutting the throttle and letting it drop before you get into real trouble. It can take the crash but not the blade strikes.
    Posted by: otimusprime on 12/18/2009
    awesom heli i plan o getting one soon for christmas hell yeah
    Posted by: planes0912 on 01/23/2011
    man i love these little things i am an advanced helicopter flyer and i still love to fly these things.they are so forgiving and easy to control
    Page: 1
    The comments, observations and conclusions made in this review are solely with respect to the particular item the editor reviewed and may not apply generally to similar products by the manufacturer. We cannot be responsible for any manufacturer defects in workmanship or other deficiencies in products like the one featured in the review.

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