1/8 Scale Electric Monster Truck:

Thunder-Tiger e-MTA (Red) - 6403-F*
Radio Controlled Model

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History and Info:

   Introduced by Thunder Tiger in 2012, the e-MTA Monster Truck - TTR 6403-F111 - came factory assembled RTR, with a pre-painted Red / White / Black Bodyshell, Ripper 20000Kv Brushless Motor, ESC and 2.4Ghz Radio System pre-installed. A Battery and Charger to be purchased separately.

   The model was also available ARTR without a Radio System - 6403-A111.

   PLEASE NOTE: An F* indicates that the Model code varies in different parts of the world. Any F number shown in this section is simply an example of an actual code number found for this model in my research.

   For other Thunder Tiger e-MTA model versions, check out our Thunder Tiger Archive.

   The 4WD TT model is shaft driven, on a molded plastic chassis, with gear type differentials, laydown coil spring over oil filled dampers, slipper clutch, universal joint drive-shafts and a full set of ball bearings.

Thunder-Tiger e-MTA

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To race the TT e-MTA, you need to tweak and adjust all you can to give your car improved handling, stability and grip to ease around the curves and keep you on the track. One little setting change can transform your car into a world beater. Just follow our chart to attain the most favourable Set-up to suit your particular needs on any track.

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Radio Controlled Model Accessories:

★ Thunder Tiger e-MTA ★

★ Thunder Tiger e-MTA Chassis ★

Buying a Used Thunder-Tiger e-MTA
Monster Truck (and What to look for)

There are essentially three reasons you might want to buy a used Thunder-Tiger e-MTA Electric Monster Truck; you may be a collector, looking to restore and display it; restore and sell for a profit; or simply restore and race an iconic vintage model. Personally, I used to get a buzz out of restoring an old clapped-out model, installing modern day electrics and maybe a few hop-ups, then showing the gang at our local club, just how competitive those old models could still be.

Cheap, pre-loved bargain models, parts and spares are always coming up for sale, but once you have made your purchase, the one thing you will always need, is an instruction manual. If not supplied with your purchase, they can often be downloaded from the Thunder-Tiger website, or purchased separately on eBay. With an instruction manual, any problems with your model Monster Truck you may discover, can easily be fixed.

Make a General Visual Inspection

Dampers
When you receive your used Thunder-Tiger Monster Truck, 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 Thunder-Tiger 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.

Check the Body-Shell

If the body shell of your Thunder-Tiger e-MTA 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 e-MTA model, fit an under guard to stop dirt and gravel entering the chassis.

Drive Shafts and Turnbuckles

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 e-MTA Monster Truck model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.

Examine the Drive System

The gearbox of your used Monster Truck 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 Monster Truck 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.

Pinions and Spur Gears

Gears are a weakness on all Monster Truck 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 Electric Motor 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 Electric Motor mount and remember to check them for security after every two or three runs.

Don't Neglect the Ball-Joints

Ball joints always cause problems. For top level Electric Monster Truck 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.

Steering Servo and Servo-Saver

Servo Gears
The e-MTA 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.

Stabilizers

If body roll on your Thunder-Tiger e-MTA 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.

Don't Forget those Bearings

If your used Thunder-Tiger Monster Truck 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 e-MTA model and good racing.

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Or, check out our RC Model Car Setup Guide

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Manufacturers and Brands Catalogued, Listed and Reviewed 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 Models and 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.

RC Information and Advice:

★ TT e-MTA Chassis ★

Hints, Tips and Information

Soldering Battery Packs

   Nicad and Nimh batteries sometimes come as six separate matched 1.2 volt cells. These of course have to be soldered to each other in series to produce either a side by side stick pack, or a two times three cell saddle pack.

   Special copper, or silver plated straps must be used to make up these packs, and each strap must be prepared before attempting to solder it to the battery cell, by placing a blob of solder at each end of all the straps needed.

   You will need a jig to hold the cells vertical and side by side, then using electrical solder, with a flux core (flux aids the flow and adhesion of the solder) heat your soldering iron to as hot as it will go. Next, with the stick of solder touching on the end of the cell, touch it with the iron. What you want it to spread evenly on the central part of the pole of the cell. Count to 3 seconds. If it doesn't melt the solder in that time, your iron is not hot enough.

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Hints, Tips and Information

Wings

   When you think of the Wing or the spoiler on any RC model car, you immediately think of down-force, but which wing is best for your model and what setting should it have?

   When you first build your car, most drivers will cut out the wing supplied in the kit, put it on the car and forget about it. It's only when the new kid at your local track starts beating you that you begin thinking about changing a few things to make your car faster, and one of the easiest changes you could make is to your wing.

   Choosing a wing for off-road can be confusing, so first of all you need to understand just what your wing can do for the way your car handles. Down-force equals traction and traction is what you need for controlled acceleration. The correct wing on your car can give you a good proportion of that down-force and if it has high side panels, it can also improve cornering and straight line stability.

   The first thing you need to consider when choosing your wing is the size.

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