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Tamiya TGR Chassis - # 44030 (Radio Controlled Model Review)

1/8 Scale Nitro Rally/Touring Car:

  Released by Tamiya on July 19, 2000, the TGR Chassis kit - # 44030 - is No.30 in the Glow-Engine RC Car Series and came with an FS-15RB engine, but no bodyshell.

Tamiya TGR Chassis - 44030 - 1:8 Nitro On Road
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  The model is shaft driven, on an alloy plate chassis, with gear type differentials, coil spring over oil filled dampers, dogbone drive-shafts, 2-speed transmission, bushings and ball bearings.

  Like the majority of Tamiya RC models, this model comes with plastic and sintered brass bush type bearings, that after a short while, when dust and grit get into them, actually abrade the metal shafts that spin in them - our recommendation is that these should be replaced by steel shielded ball bearings ASAP.

  To race the Tamiya TGR, it needs to be tuned to perfection for better stability, precise steering and provide enough grip to keep you on the track when going around tight bends at high speed. Even the smallest adjustment can change the feel of a car and our simple to follow instructions will guide you to the best Set-up to get you to the front and keep you there.


      Rating: 44 Stars out of 5 Reviewed by: RCScrapyard     Manual.

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★ Tamiya TGR Chassis ★
Tamiya TGR Chassis

★ Tamiya FS-15RB ★
Tamiya FS-15RB Engine

★ Tamiya TGR Chassis ★
Tamiya TGR Chassis


Buying a Used Tamiya TGR
Touring Car (and What to look for)


   Buying a used Tamiya TGR Nitro Touring Car, 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 road.

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

Dampers
   When you receive your used Tamiya Touring Car, 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 Tamiya 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 Tamiya TGR 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 TGR 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 TGR Touring Car 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 Touring Car 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 road, if you intend to race your Touring Car 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 Touring Car 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 Touring Car 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 TGR 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 Tamiya TGR 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 Tamiya Touring Car 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 TGR model and good racing.


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Hints and Tips

Your First Race Meeting

   When you finally find a racing club near to where you live, that initial experience of stepping up onto the rostrum and looking down over the track can be very daunting. But soon, as the race starts, adrenaline will kick in and away you go. For the next five minutes, your focus is on nothing but getting your car around each corner, avoiding all the other cars on the track and just getting to the end of the race.

   Maybe your batteries dumped or you crashed and the car was damaged, perhaps you didn't actually come last, whatever happened, it doesn't really matter you are well and truly hooked.

   When the race is over, don't be afraid to ask the more experienced racers questions about setup, driving tips etc. They have all been where you are now and will be more than willing to help you. Show them your car, get some tips on tires, gearing and general set-up for the club track.

   Then, when you get back home, go through all your races in your mind. Try to identify the things you did wrong and figure out how to avoid those mistakes next time. Think about what all the more experienced racers told you and change your settings as they advised.

   Put down a few buckets or cones in the back yard to practice driving round, something that if you hit it won't damage your car. Get someone to time you for say ten laps and each day after school, try to beat that time. The adage, "Practice makes perfect" holds true in many things, not least the sport of RC racing and as your confidence increases, your racing skills improve and the trophies begin to line up on your bedroom shelf, you will one day yourself be the guy all the newbie's look to for advice and you will remember that day, you nervously stepped up onto that platform for the first time, looked down across the track and how your whole life changed in that fleeting moment.

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







Hints and Tips

Toe Angle

   When you first build your RC model car, you will no doubt have made all the settings advised in the manufacturers' manual and will take it out on the back yard not thinking of things like camber, caster or toe-in I know I did. It's only when you get competitive that you start learning about these things and just what a big difference they can make to the handling of your car. One of the more effective of these adjustments is Toe-in.

   The term, toe-in, toe-out, or toe-angle, refers to the alignment of the front or rear wheels, when viewed from above and is easily adjusted via the track rods or turnbuckles that link to the steering mechanism or directly to the steering servo horn.

   Front toe-in reduces steering when entering a corner, but improves steering response on corner exit under acceleration. On the straights, toe-in will also improve the cars stability while accelerating.

   Front toe-out will improve steering on corner entry, but makes the car unstable under acceleration on the straights and on bumpy tracks. The usual recommendation is to have up to 1 degree of either toe-in or toe out.

   Rear toe-in is generally found as the standard setting on most on-road and off-road RC models.

   More rear toe-in provides the car with more power under-steer, as well as improved stability and rear end traction. This setting is recommended for low grip tracks.

   Less rear toe-in slightly reduces steering on corner entry, but improved steering under acceleration.

   To measure toe-angle, I used to use my trusty vernier callipers to measure the width at the front of the wheels and the rear of the wheels and using this information along with the diameter of the wheels simply calculate the angle. Or, you could alternatively use this data to draw a triangle on a sheet of paper and measure the angle with your trusty school protractor.

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








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