RCU Review: Model Tech Twister ARF


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    Contributed by: Rick Adams | Published: November 2005 | Views: 29540 | email icon Email this Article | PDFpdf icon
    Twister ARF

    Review by: Rick Adams


    Distributed exclusively by:

    Global Hobby Distributors

    18480 Bandilier Circle
    Fountain Valley, CA 92708

    (714) 963-0133.

    http://www.globalhobby.com





    Twister Video

    Small - Large


    Quality
    Performance
    Ease of Assembly
    Aerobatic ability
    Looks
    Price
    Manual

    HITS

    Perfect Covering
    High Quality Balsa
    Nice Hardware Package Sturdy Construction



    MISSES

    Wheel Pants to Axle fit was not that great but not really a big deal !

     


    TWIST AND SHOUT WITH TWISTER FREESTYLE ARF

    Model Tech's NEW Twister ARF is an aerobatic platform that can fly precise pattern or awesome 3D freestyle with just a click of your high and low rate switch. With it's sleek lines and exceptional covering, this bird looks good in the air and sitting in the pits.

    In the world of R/C, 3-D flying has really "taken off" so to speak, and many manufacturers are producing new models with the 3-D configuration (i.e. short wide wings, oversize control surfaces, and VERY light). While several of my planes have better than a 1-1 power ratio, I am hearing and seeing so much of it lately, it is something that I have been very interested in looking into. So, when RCU asked me to review Model tech's new TWISTER, I was eager to give it a try.




    Kit Name: TWISTER Freestyle
    Wingspan: 55 "
    Wing Area: 585 sq. in.
    Flying Weight as tested: 5.65 Lbs
    Airfoil: Symmetrical
    Motor: MAGNUM .70 4 Stroke
    Battery used: 5 cell 1650mh NiMh
    Servos: Futaba 3004
    Radio equipment: Futaba 9c

    • Square
    • Hobby Knife
    • Ruler
    • Small Phillips screwdriver
    • 1/16" drill bit
    • Pliers
    • Loc-Tite
    • CA and Kicker
    • 30 Min. Epoxies
    • Silicon glue
    • Tape
    • T-Pins



    Packaging
    Contents
    XLFS 70 4 Stroke

    Upon opening the box that contained the TWISTER, I was glad to see the ARF had arrived in perfect shape. I also noticed right away the the covering was flawless. I have assembled many ARF's over the past 10 years of modeling, I usually expect to iron out some wrinkles somewhere. This one was absolutely perfect right out of the box.

    All parts were neatly bagged in several different bags for a step by step assembly process, which helped keep my work area neat and clean. The directions that were supplied was well laid out and the pictures were clear helped me understand the idea Model Tech was trying to get across.

    I usually don't read instructions when assembling model airplanes, however, making sure that the instructions were written clearly is a part of reviewing a model airplane kit. So, I did for this review, build this kit step by step. I am happy to report the instruction manual was written in a comprehensive manner and didn't leave anything to question.

    A MAGNUM .70 4 stroke engine was supplied for this review. I personally have never used this brand of engine before, so I followed the instruction manual step by step for the "break in" and mounting of the engine.

    Trimming Monocote
    Throttle Servo

    The first step to assemble the Twister is to epoxy the two wing halves together. The instructions suggested a trial fit of the joiner, and sanding it if the fit is too tight. This was not a problem as the joiner fit perfectly. The instructions suggest using 30-Min epoxy to glue the wing and joiner; however, I prefer to use 24-Hour epoxy because I believe it is stronger and due to the fact that all of the G force created from the wing is transferred to the fuse through this connection point. You certainly don't want this to fail while pulling up from a high speed, full throttle down line.

    All of the servo mounting holes needed no additional trimming or sanding, the Futaba 3004 servos fell right into place. Checking the tail feathers for a 90 Deg. fit turned out to be a non issue, it was right one the money. I also wicked in my aileron hinges with some thin ZAP which worked exactly as advertised.

    Checking for a clean fit
    Checking 90 Deg.
    Wicking in the Hinges

    Installing the engine was as easy as was attaching the throttle push rod, and clamping the engine in place. It really can't get much simpler. I installed the MAGNUM .70 4 Stroke inverted, as this is the only way to install it if you don't want to see it. It made cutting the cowl a little easier, and gave a nice overall appearance to the plane. Another thing worth mentioning is that once the engine and tank were installed, the throttle push rod was binding on the fuel tank. I was going to remove, and reroute it, but a small bend in the push rod made it move very smoothly, so I call it custom engineering.

    After assembling the wheel pants, I noticed the wheels didn't turn as freely as I liked. Asked a friend to check my assembly procedure. Everything was correct. So, I took the assembly apart again and used a steel washer instead of the supplied nylon washer. Much better. To me this was not any kind of an issue.

    The receiver got a small piece of Velcro to attach it to the spacious radio compartment, and the battery got placed under the servos and held in place with foam. Aside from gluing the wings and tail feathers the night before, I had only spent 2 hours on the Twister today! Probably about 3 hrs all together! I'm glad I thought to put my entire flight package on charge last night. " Cuz " I'm Getting ready to go FLY !!!

    Installing throttle servo
    Mounting servo
    Tail Wheel
    I used Futaba 3004 standard servos for this review, 2 in the wing, 2 for the elevator (VERY COOL), one in a pull pull configuration for the rudder and one on the throttle. I used a standard Futaba 148 FM receiver with a 4 cell 1650 NiMh battery pack. For this review I use the 9C transmitter, I also am not using any mixes or fancy set ups, I left it the standard flight mode to show the ability of this plane using standard equipment.
    Rick
    Wheel Paints
    Rikki

    The landing gear is aluminum and of the 2 piece design. They are installed at a backwards angle towards the tail. This looks very sleek and clean. The aileron servos fell right into place, Model Tech had provided for string to help route the servo wires through the wing. The control horns were standard duty along with the precut push rods. Everything in regards to the flight control surfaces went together well and no trimming or modifying was required

    The engine mount holes had to be marked and the firewall drilled accordingly. Me personally, have done this a thousand times before. If someone with just a few ARF's under his belt might experience trouble with this step. As it is crucial to get it right the first time. The fuel tank went in like a snap, no trouble here, very straight forward.

    The canopy was very nice. It had to be cut down to size which I used scissors to accomplish. Using canopy glue I applied a liberal amount on the fuse and canopy, and then taped the canopy in place. When the glued dried clear, I was on the phone asking the tower for clearance on runway 022 Left !


    I balanced the complete airplane at the spar, just 4 inches back from the front of the wing. This was indicated in the directions as the starting point. I also set up the control surfaces just as stated in the directions.

    Again this Twister need no additional ironing or heat gun. Everyone at the field like the way it looked and commented respectively.

    Generally, I give my review airplanes to a new younger person at the field that is ready to move up to an intermediate plane from his or her trainer,for free. However, this one I think I will keep for a while, because it is a blast to fly, and then I will give it away.

    Before my first flight of any airplane new or used, I always perform a flight and system check. I will have someone hold the airplane while the engine is running, transmitter antenna down, walk away at least 100 feet with the transmitter, and making sure everything is responding correctly. With this very important step complete, you are now ready to fly.

    See comments below for the flight report.

    Landing is good, the wing loading is ok, she's not to heavy and lands real nice and stable.


    Twister Video
    Small - Large




    Strike a pose









    The evening was a little windy, 3 to 4 MPH and the sun was going down, so it at least it "seemed" like a great cool time to fly. The MAGNUM engine started up right away, and in a few minutes I had double checked to make sure all of the flight control surfaces were moving the correct direction corresponding to my stick inputs. The field that I shot this maiden flight at was TRCC, in Tucson Arizona. It is fairly well maintained and incorporates a large long runway, just in case things get out of control

    During the start up and flight system check several other people had gathered around my new plane and started asking questions. Before I knew it, I was refueling the Twister as I was loosing track of time telling the other people about the plane. When I finally taxied out to the end of the runway everyone else had landed and was watching me and the Twister for its maiden flight.

    Anyway, the first flight went very well. I had to add just two clicks of down elevator, and one click of right aileron. The Twister easily took off with about 3/8's to 1/2 throttle. The 13x6 APC prop pulled the Twister around with no problems at all.

    I performed several specific flight combinations checking for CG, Left, Right and Down Thrust and overall balance. The results indicated a slight nose heavy condition which I fixed by moving the battery Aft.

    With this slight modification, I prepared for takeoff, I also waited for a slight break in the action from the other flyers that were out at the field. I didn't want to cause any kind of problem for anyone else at the field. I also was preparing myself for a nose up condition upon take off as moving the CG back will sometimes cause. I also was prepared for a more responsive elevator as with a tail heavy plane you get a lot more elevator and rudder authority.

    I was correct, upon lift of the plane started climbing, one click of down elevator and we were straight and level. I also, while flying dialed in some more expo to the elevator as it had become very sensitive to the up and down inputs I was commanding.

    Now its time to have some fun. And man let me tell you this is a fun plane to fly!! I flew around for an hour after getting the video shots we need for this review. I tried to break it and I couldn't. For a small plane, this one is defiantly cool. Knife Edge, Blenders, Flat Spins, Walls, Hell I ran out of things to try.

    I then let some of my buddies fly it, all they could say is where can I get one !

    Aside from the wheel pants problem, the Twister is a delight to fly. It performs well during basic maneuvers, 3D and pattern flight modes. For the price and size and the ease of transportation, you cant beat it !

    Rick Adams

    Have Questions ? E-mail Me at

    rcureview@rickadams.net



    TWISTER ARF
    Distributed Exclusively by:
    Global Hobby Distributors
    18480 Bandilier Circle
    Fountain Valley, CA 92708
    Support Phone: (714) 963-0133
    Web site: www.globalhobby.com



    MAGNUM ENGINE
    Distributed Exclusively by:
    Global Hobby Distributors
    18480 Bandilier Circle
    Fountain Valley, CA 92708
    Support Phone: (714) 963-0133
    Web site: www.globalhobby.com


    FUTABA
    Great Planes Model Distributors
    P.O. Box 9021
    Champaign, IL 61826-9021
    Web Site:www.futaba-rc.com


    Comments on RCU Review: Model Tech Twister ARF

    Posted by: adec4 on 09/16/2009
    hi rick id have to agree with you they are a very nice plane to build and fly, ive owned two of these planes and liked each one of them but i destroyed the first one ,i used the plastic clevises in the kit for the elevator linkages and that wasnt a good idea , during a high speed manuvour one linkage let go and got tail flutor ( i think thats how its spelt)and that was the end of the first one but so impressed with the plane i bought another and fixed that problem . the only other thing i could find wrong with it was the inside of the fusalage wing seat,, the ply was to thin and i broke the back of the plane strait through to the canopy during a dead stick landing going to slow but other than that a great plane regards vince
    Posted by: adec4 on 09/16/2009
    hi rick id have to agree with you they are a very nice plane to build and fly, ive owned two of these planes and liked each one of them but i destroyed the first one ,i used the plastic clevises in the kit for the elevator linkages and that wasnt a good idea , during a high speed manuvour one linkage let go and got tail flutor ( i think thats how its spelt)and that was the end of the first one but so impressed with the plane i bought another and fixed that problem . the only other thing i could find wrong with it was the inside of the fusalage wing seat,, the ply was to thin and i broke the back of the plane strait through to the canopy during a dead stick landing going to slow but other than that a great plane regards vince
    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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