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1/8 Scale Nitro Truck/Truggy:

Himoto RXT-28 (Radio Controlled Model)


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History, Info (and How To Set-up Tips) for the RXT-28:


  Introduced by Himoto Racing circa 2007, the 4WD RTR Off Road Truggy RXT-28 - came with a 28CXP 4.7cc engine and 2.4Ghz radio system.

  The model was shaft driven, on an alloy plate chassis, with 3 x gear type differentials, coil spring over oil filled dampers, rear dogbones, with front universal joint drive-shafts, anti-roll bars and ball bearings.

Himoto RXT-28
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  To race the Himoto RXT-28, it requires time and patience, to tune and adjust for improvements in handling and steering ability and to get the grip you need to stay on course when manoeuvring around tight, slippery corners. A little can be a lot when it comes to changing your cars settings and our easy methodical directions will guide you to the best Set-up to help you win and keep you winning.

  Our easy to understand guide will show you how to adjust the Nitro Engine for your RXT-28.

  Employing a number of sensible ideas, find out how you can avoid Radio interference, and problems with your Servo, by making a few changes to the layout of your equipment in your chassis. Discover what the top drivers do to improve the efficiency of their Himoto RXT-28 Bearings with a few common sense hints and tips.









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Items For Sale:






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★ Himoto RXT-28 ★
Himoto RXT-28

★ Himoto RXT-28 Chassis ★
Himoto RXT-28 Chassis

★ Himoto RXT-28 Chassis ★
Himoto RXT-28 Chassis

★ Himoto RXT-28 Chassis ★
Himoto RXT-28 Chassis


Buying a Used Himoto RXT-28 Truggy (and What to look for)


   Buying a used Himoto RXT-28 Nitro Truggy, or any used RC Model, has a number of advantages. It is generally cheaper than new, ready built and may come with a variety of expensive hop-ups already installed. Cheap, pre-loved bargains are always becoming available. However, depending on the age of your purchase, it may need a little tender loving care before you can take it out on the back yard.

   The one thing you will always need is an instruction manual. If not supplied with your purchase, they can often be downloaded from the Himoto website, or purchased separately on eBay. With an instruction manual, any problems with your model Truggy you may discover can easily be fixed.

Dampers
   When you receive your used Himoto Truggy, make a general visual inspection of the chassis, front and rear wishbones, suspension shock towers etc, for any broken parts that may need to be replaced. Then, take a screwdriver and box spanner and check each self tapping screw and nut for security, taking care not to over tighten.

   Next, for those Himoto models with oil filled shock absorbers, remove them from the chassis and dismantle the coil springs. The damper shafts should push in and pull out with a smooth action. If you feel a jolt as you change direction, this means the oil has leaked out and must be topped up. At the same time, change the O-Ring seals to prevent more leakage. Also check the damper shafts for damage. If they are scratched, change them as soon as possible.

   If the body shell of your Himoto RXT-28 is broken, ripped or damaged in any way, this can be easily repaired with rubber solution glue. Also, for added protection and if available for your RXT-28 model, fit an under guard to stop dirt and gravel entering the chassis.

Titanium Turnbuckles
   Examine the drive shafts for wear and replace as required. If possible, change them for titanium. The steel shafts wear and bend too easily.

   If you intend to race your RXT-28 Truggy model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.

   The gearbox of your used Truggy should be opened up to check for gear wear and lubrication. A thin coat of grease is often used on internal gears and although this is fine for basic running around on the back yard, if you intend to race your Truggy at a higher level, this should be removed and replaced with racing oil (ZX1 or Teflon Oil). Of course, this should be reapplied after each race meeting.

Spur Gears
   Gears are a weakness on all Truggy RC models. Head on collisions can easily damage the gear teeth on nylon and plastic spur gears. Heavy impacts can also loosen the nuts or self tapping screws that hold the Nitro Engine in Position, allowing the pinion gear to pull out of mesh slightly and rip the tops off the teeth on your spur gear. To minimise this possibility, fit bolts with locking nuts to the Nitro Engine mount and remember to check them for security after every two or three runs.

   Ball joints always cause problems. For top level Nitro Truggy racing, the plastic ball connectors should be checked and if deemed necessary changed after every meeting. A simple thing like a loose fitting connector popping off could easily end your race, so better safe than sorry.

Servo Gears
   The RXT-28 steering servo is also prone to damage. In high speed crash situations, the fragile gear teeth of the servo can be broken off, rendering your expensive servo useless, so be sure to obtain a good quality "Servo Saver". Check out my Servo Information article.

   If body roll on your Himoto RXT-28 is a problem, handling can be improved with the use of stabilizers, anti roll or sway bars, stiffer tuning springs and, or, thicker silicone oil in the dampers.

Ball Bearings
   If your used Himoto Truggy comes with plastic and sintered brass bushings (ring type bearings), check the shafts that run in them for wear. Dust and grit can get into these bearings and abrade the shafts. Therefore, you should replace them all with shielded ball bearings. If the model has been run with ring type bearings, you may have to change all the axles and driveshafts. For more information, take a look at my article, How to get the best from your Bearings.

   Finally, good luck with your RXT-28 model and good racing.


For More on how to Setup your Truggy, check out my Hints and Tips page.


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Manufacturers and Brands Catalogued and Listed by RC-Scrapyard.


   At present, the RC Model Manufacturers, Brands and Distributors covered by us are: ABC Hobby, Academy, Acme Racing, Agama Racing, Amewi, Ansmann Racing, ARRMA, Team Associated, Atomic RC, Axial, AYK, Bolink, BSD Racing, Capricorn, Carisma, Carson, Caster Racing, Cen, Corally, Custom Works, Durango, Duratrax, ECX - Electrix, Exceed RC, FG Modellsport, FS-Racing, FTX, Fujimi, Gmade, GS-Racing, Harm, HBX, Helion, Heng Long, Himoto Racing, Hirobo, Hitari, Hobao, Hong-Nor, Hot Bodies, HPI, HSP, Intech, Integy, Jamara, JQ Products, Kawada, Kyosho, Losi, LRP, Maisto, Mardave, Marui, Maverick, MCD Racing, Megatech, Mugen, New Bright, Nichimo, Nikko, Nkok, Ofna, Pro-Pulse, Protech, PTI, RC4WD, Redcat Racing, RJ-Speed, Robitronic, Schumacher, Seben, Serpent, Smartech, Sportwerks, Step-Up, Tamiya, Team-C Racing, Team Magic, Thunder Tiger, Tomy, Top Racing, Traxxas, Trinity, Tyco, Vaterra RC, Venom, VRX Racing, WLToys, X-Factory, Xmods, Xpress, Xray, XTM, Yankee RC, Yokomo, ZD Racing and Zipzaps.

   This is an ongoing project, with new and "lost in time" RC Model Brands being added as they are found and although most of those listed above have been covered in relative detail, some are still being researched and will be completed in the near future.


















Hints and Tips

Tires for RC Models

Rubber Tires:

   Rubber Tires ALWAYS should have either soft sponge or rubber inserts. They will not function as they should without them. And if you are totally serious about your racing they should be glued to the rims.

   You should also have at least three different compounds (Soft, Medium and Hard) for varying track temperatures in On Road tarmac racing Touring cars and varying pin sizes for carpet and Off Road racing Buggys and Trucks.


How to Mount Rubber Tires onto Wheels/Rims.

   Before mounting your Tires, I would recommend talking to the more experienced racers at your local club, as to what inserts they use. Even the top level racers rely on a bit of local knowledge on tracks they have never raced before.

1/   Once you have decided what inserts to use, position them inside the Tires ready to go onto the rims.

2/   You will need strong fingers to pull and maneuver the Tires over the rims, so you may need the help of an adult. I would recommend NOT using metal Tire levers or a spoon as they can not only damage the fragile plastic rims but can also put small tears in the rubber, that could cause problems later.
   The technique I recommend, is to first of all hook the Tire on one side of the rim, then using the thumb and forefinger, grip the Tire and pull it upwards and over into position around the middle of the wheel, then over to its final position on the far side so that the beading is seated in the spigot. then position the near side beading in the opposite spigot making sure the sponge (or rubber) insert is not trapped and positioned centrally.

3/   You have the option of either gluing or not gluing your tires in position. If the track you race at is not too grippy you can get away with it, but on high grip tracks there is the possibility the tire might pull away from the rim and ruin your race.
My recommendation is to glue them.
   Superglue is the thing to use. To do this, carefully pull the beading out of its seating, put on a spot of glue, then quickly push it back down. repeat this at least 6 times around each side of the wheel.
Superglue can be dangerous, so this is best done by an adult.

For More Setup Information check out my Hints and Tips page.







Hints and Tips

Choosing a Transmitter

   When you first started in RC, you may have purchased a package that came with the car kit, motor, battery, charger, ESC and radio system complete. The transmitter was probably just a basic steer wheel, or stick type, with nothing more than forward, reverse, left, right and simple trim settings to centralise the servo and ESC.

   After a while, as your enthusiasm grows and your experience increases, you will want to move on to a better radio system, with more setting options, but where do you begin?

   Choosing the right transmitter is a personal thing. It has to feel right, have the balance you like, not be too bulky for your hand size and have all the features you might need to set up your car to your driving style.

   Transmitters these days are highly sophisticated pieces of engineering and once you choose you transmitter you will probably stick with it for the rest of your competitive career.

   Don't just go for the one you see in a review that looks and sounds like the best thing there could ever be and comes at a bargain price. Then when it arrives through the post and you get it in your hands it just doesn't have the feel you thought it would have. Sits awkwardly in your hands and is so complicated to set up you need a university degree to understand it.

   Talk to the experienced racers at your local track, ask them their opinion, see what their transmitter is like and if they will allow you to, hold it in your hands and see how it feels. All the best buys in life are made by recommendation. Then, once you have some idea what you are looking for, look on the internet for that model to get the best price, or go to a dealer and check out the latest models.

   Frequency choice depends on where in the world you live and what form of RC you are into. Fortunately, most of the top end transmitters can change to different frequency ranges by simply fitting a different module, so if you ever move up to an international level, you don't have to buy a new transmitter, just a module and receiver.

For More Setup Information check out my Hints and Tips page.










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