RCU Review: Multiplex Magister AXIfied


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    Contributed by: Greg Covey | Published: January 2006 | Views: 57538 | email icon Email this Article | PDFpdf icon
    AXI-fied Magister

    Review by: Greg Covey

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    Dealer Info

    Magister ARF
    Distributed exclusively by:

    Hobby Lobby

    5614 Franklin Pike Cr.
    Brentwood, TN 37027
    615.373.1444
    www.hobby-lobby.com



    Ratings
    Quality
    Performance
    Ease of Assembly
    Looks
    Price
    Manual


    Hits

    Stabile flying characteristics
    Maintenance-free
    Twice the stock power
    Quadruple the stock flight duration



    Misses

    Requires soldering skills


    AXI-fied Magister

    My first review of the Multiplex Magister on RC Universe was using the stock geared Speed 680 power system. Although it flew well, it had short flight times and was a bit over weight. The RTF model came complete with a radio system and a power system. The .40-size foam plane flew with great stability and the Elapor foam was easily repaired using regular CA and kicker.

    The rugged, easy to fly trainer now comes in ARF form at Hobby Lobby. You use your existing radio system, if desired, or buy a perfectly matched Hitec Flash 5 radio system with four HS-325 servos.

    The Hobby Lobby Outrunner/Lithium Hop-up for the Multiplex Magister really makes this plane come alive! By replacing the old technology stock power system with a new AXI 2820/12 brushless direct drive outrunner and a 3-cell Lithium pack, the magister will shed almost a pound of weight and increase both power and flight duration.

    With the Hobby Lobby power system hop-up, this plane makes a great aileron trainer with solid flight performance, capable of aerobatics. It has plenty of power for short takeoffs on grass and strong climbs, and can easily aerotow sailplanes like the Multiplex Easyglider (MPX4205).

    Key Hop-up Features:

    • AXI 2820/12 Outrunner Brushless Motor for maintenance-free power

    • Jeti Advance PLUS 40 Amp Brushless Controller for easy setup with the credit card sized programmer.

    • "Hi-Po" 3-Cell 4000mAh 11.1V Li-Poly Pack for up to four times the stock flight duration!



    Magister Motor Removal

    If you already own a Magister with the stock motor installed, the hop-up starts by removing the stock power system. I had a burr in my motor shaft which made it difficult to remove the prop adapter but otherwise the removal was easy.

    The motor mount cage faceplate can be easily unscrewed. The holes used by the stock geared Speed 680 motor are not the same ones needed for the AXI 2820 motor but a second set of existing holes is almost a perfect fit for the AXI motor. You only need to slot the upper middle hole in the motor mount slightly towards the outside edge to create a perfect alignment that matches the motor.

    The new AXI motor weighs only 5.2oz compared to the 11.4oz stock geared motor. Already, we have an incredible 6.2oz drop in weight so we are off to a great start.

    The motor mount cage faceplate can be easily unscrewed.
    A second set of existing holes is almost a perfect fit for the AXI motor.
    The new AXI 2820/12 motor weighs only 5.2oz compared to the 11.4oz stock geared motor.

    Hop-up Assembly

    The proper mating connectors need to be soldered on the battery pack, ESC, and AXI motor. The Jeti ESC supplies the connectors for the motor.

    You need to select your own power connectors for the battery pack and ESC or purchase the (MPX4193AP) Accessory Pack for Magister from Hobby Lobby.

    The incredible benefit of new technology like brushless motors and Lithium power has not only increased performance but reduced the weight by an amazing 12.9oz!

    The stock 8-cell, 1900mAh NiCd pack weighs 16.5oz and the replacement 3-cell, 4000mAh Lithium pack weighs only 9.8oz. We dropped another 6.7oz in weight and added the voltage of two more NiCd cells.

    I needed to slot the upper middle hole in the motor mount slightly towards the outside edge. This allowed the motor to mount easily with three M3x10mm screws. The motor mount plate was then installed back into the frame in the fuselage.

     


    Battery Placement

    The Jeti ESC is held with Velcro and I used a Tywrap to secure the motor wires. The On/Off switch sat in tha same position as the previous ESC for brushed motors. I made an EEP foam step to cover the ESC and support the battery pack. It has Velcro on both sides.

    The lighter pack fits nicely across the receiver and ESC. I check the CG after installing the wing and it was just a bit nose heavy which will be perfect for testing. It was originally flying a bit nose heavy with my stock power system although it is not likely needed as these trainers are very stable flyers.

    The (PE12060E) APC 12x6 e-prop, (MJ4704) 5mm collet prop adapter, and (HLHS225W) 2-1/4" white spinner are recommended to create a more finished look for the Magister upgrade.

    To mount the prop and spinner, the first thing that had to be done was to ream the prop out so that it would fit over the second step in prop adaptor. I put the prop on the adaptor and then took the washer from the adaptor and put it over the prop upside down to help space out the spinner backplate. Even with doing that, I had to enlarge the prop cutouts in the spinner back plate so it would not flex. I did not use a washer between the spinner backplate and the prop nut since the adapter shaft was a bit short. There should be plenty of room for just the nut and it hasn't caused any problems.

    I measured 30amps and 300 watts at full throttle. This is good power and can be left at full throttle the entire flight without hurting any of the components. It also allows for the possibility of using a 13" prop, if desired.

    Here are the component weights for the AXI-fied Magister: The AXI/Lithium hop-up dropped about 13oz off that so it is closer to 4lbs now. The video shows just how slow it can fly now, even when slightly nose-heavy.

    • Magister w/o battery = 64oz
    • 8-cell 1900mAh NiCd = 16.5oz
    • Magister with battery = 80.5oz (5lbs)


    Test Flying

    We test flew the AXI-fied Magister today and it was a total success! All three flight clips on the video were using the same 4000mAh battery charge for about 15 minutes of flying. After I returned home and recharged the pack, it put 1800mAh back in so it was about halfway depleted.

    The plane flies 13oz lighter than stock, has twice the power, and flies for four times the duration.



    See the AXI-fied Magister in action!
    CLICK HERE


    Summary

    The AXI hop-up from Hobby Lobby is exactly what the Multiplex Magister needed to make it come alive! The older stock geared brushed motor and 8-cell NiCd pack were simply old technology.

    The AXI brushless motor and 4AH Lithium pack dropped the flying weight by 13oz at the same time it doubled the power level and quadrupled the flight duration. A winning power system for a great flying high-wing trainer with ailerons!






    Manufacturer and Distributor Info.


    5614 Franklin Pike Cr.
    Brentwood, TN 37027
    615.373.1444
    www.hobby-lobby.com

    Comments on RCU Review: Multiplex Magister AXIfied

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    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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