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Tamiya Vodafone Mercedes C-Class DTM 2006 - # 43531 (Radio Controlled Model Review)

1/10 Scale Nitro Rally/Touring Car: TNS-FD Chassis

  Released by Tamiya March 3, 2007, the 4WD XBG Vodafone Mercedes C-Class DTM 2006 - # 43531 - is No.31 in the Expert Build Factory Assembled Glow-Engine RC Car Series and is based on the TNS chassis with an FS-12FD engine.

Tamiya Vodafone Mercedes C-Class DTM 2006 - 43531 - 1:10 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, bushings and some 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 Vodafone Mercedes C-Class DTM 2006, 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 TNS-FD Chassis ★
Tamiya TNS-FD Chassis

★ Tamiya TNS Chassis ★
Tamiya TNS Chassis

★ Tamiya TNS Chassis ★
Tamiya TNS Chassis


Buying a Used Tamiya TNS-FD
Touring Car (and What to look for)


   Buying a used Tamiya TNS-FD 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 TNS-FD 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 TNS-FD 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 TNS-FD 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 TNS-FD 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 TNS-FD 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 TNS-FD model and good racing.


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Hints and Tips

Emergency Plastic Part Repairs

   It always happens when you least expect it. You are racing hard; and suddenly some idiot decides to side swipe you' and break your front wishbone. Even though you may carry spare parts for just about everything on your car, it always seems to be the same part that breaks and although you made a mental note the last time it happened to get a replacement you soon realise those mental notes were not worth the paper they are written on.

   So there you are, in the middle of nowhere with no spares. You ask around and no one has anything like your car, least of all parts for it and the closest model shop is 100 miles away. What are you supposed to do now?

   Some kind of repair is your only option.

   The one thing quite a few people think of first is superglue, but that kind of repair won't even get you around the first corner.

   What you need is something much stronger and the only way you can do that requires a good quality soldering iron, the plastic sprue (the bit left over when you remove all the parts for your car) or another broken part made from the same plastic.

   Using the largest tip you have, set the temperature so that it melts the plastic, but does not vaporise it. Place your broken part on a flat surface that will not be affected by the heat from the iron. I use the glass plate I have for setting the wheel camber of my model. Next, cut a piece of scrap plastic long enough for you to be able to hold on one end, as you work with it and place it over the break. At the point directly over the break, carefully melt the scrap plastic until it is around one millimetre above the break.

   Gently slide the iron sideways, depositing the scrap plastic about five millimetres either side and around the break. At each end of the fix, try to meld the scrap and broken part plastic. Picking up the broken part, continue the melding around each side of the break, then place it down the flat surface and repeat the process on the other side.

   When satisfied, switch off the iron and allow the plastic to cool. Using a modelling knife, carefully, cut away any excess plastic, but not too much.

   With a little practice a fix like this can be almost as strong as a new part and can save you a whole lot of anguish.

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







Hints and Tips

Wheel Balancing

   At the tender age of 17 I passed my driving test. Of course, the first thing I did was to dash over to my girlfriends house and take her out to a long straight stretch of road close by where the boy racers would often congregate. No one was around that day, so the road was relatively quiet. I slowly went through the gears and we reached 65 with no problems, but as we got closer to 70, my hands sensed a small vibration on the steering wheel. By the time we reached 75, the steering wheel and the whole car was vibrating hard. I remember my girlfriend screaming for me to "slow down," Which I did of course and tried to laugh it off.

   Back home I told my dad what had happened and he reminded me, that just the week before we had put on a new set of front tires and it must be the balance that is out. Sure enough, after the wheels were balanced, 85, 90, was not a problem, the car drove perfectly.

   So, when I got deeper into RC, that memory returned and now I balance all my wheels.

   These days, wheel balancing equipment for RC cars is available from most RC model shops, but back then I had to make my own using the rear end of an old Tamiya F1 car. Here's how I did it.

   With the tire and insert mounted and glued, the wheel was fitted onto my home made balancer and allowed to settle. I would then gently turn the wheel through 90 degrees and again allow it to settle. Obviously the heavy side of the wheel would drop to the bottom due to gravity. Once I was satisfied, I would then make a mark on the rim with a felt tip pen at the top of the wheel where it came to rest. Removing the wheel I would mix a small amount of plastic resin and press a tiny amount of this into a recess on the wheel on the side where I made the mark. The whole process was then repeated until I was totally satisfied.

   I was amazed just how out of balance some of those wheels were and how much a small thing like that can make a difference on the track.

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








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