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Tamiya Mercedes Benz G-320 Cabrio - Silver - #58635 (Radio Controlled Model)

1/10 Scale Electric M-Chassis Model Truck - MF-01X Chassis:

  Released by Tamiya on August 6, 2016, the Mercedes Benz G-320 Cabrio, based on the 4WD MF-01X Chassis, was made available with a pre-painted Silver bodyshell.

  The kit includes a 540 brushed motor and TBLE-02S ESC, that can be used with brushed and brushless motors. A Radio system, battery, charger and paint must be purchased separately.

Tamiya Mercedes Benz G-320 Cabrio - Silver - 58635

  The MF-01X molded plastic monocoque chassis, much like previous M-Chassis designs, has three wheelbase options - 210mm, 225mm and 239mm, that can be set by simply adding or removing parts on the central box part of the chassis and replacing the prop shaft with one of the required corresponding length.

  Shaft driven, the MF-01X chassis is the first in the M-Chassis range to be 4WD and employs gear type differentials, coil spring over friction dampers, dogbone drive-shafts and is compatible with existing M-Chassis bodyshells.

  Like the majority of Tamiya models, the kit comes with plastic and sintered brass bush type bearings, that if installed, when dust and grit get into them, will abrade the drive shafts that spin in them - These should be replaced by steel shielded ball bearings before initial assembly. A second upgrade I recommend, is to obtain a set of oil filled dampers in place of the friction ones.

  To get the best from the Tamiya MF-01X Chassis, it needs to be fine tuned to hug the corners at high speed, without slipping off the track. Small adjustments can make a Big difference and our simple to understand, step by step procedure, will guide you to the best Set-up for your driving style.


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





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Tamiya Mercedes Benz G-320 Cabrio - Silver - #58635 MF-01X - Chassis
Tamiya MF-01X Chassis
Tamiya MF-01X - Chassis
Tamiya MF-01X Chassis
Tamiya MF-01X - Chassis
Tamiya MF-01X Chassis

Buying a Used Tamiya Mercedes Benz G-320 Cabrio
Touring Car (and What to look for)


   Buying a used Tamiya Mercedes Benz G-320 Cabrio Electric 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 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 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 Mercedes Benz G-320 Cabrio 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 Mercedes Benz G-320 Cabrio 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 Mercedes Benz G-320 Cabrio Touring Car model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.

   On Belt driven models, the Drive Belts need checking at regular intervals for wear, tension and damage. If deemed necessary, adjust the tensioning pulley until the belt can be depressed in the centre by no more than around 5mm. If the belt was slack, also examine the drive pulleys for wear. The teeth should provide a well seated fit for the belt teeth and not be rounded on the corners. If the belt teeth do not fit snugly, change the pulleys as soon as possible. For top level racing it may be prudent to replace all belts and pulleys after each race meeting.

   For Gear driven models, 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 back yard, 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 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.

   Ball joints always cause problems. For top level Electric 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 Mercedes Benz G-320 Cabrio 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 Mercedes Benz G-320 Cabrio 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 Mercedes Benz G-320 Cabrio model and good racing.


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














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Information and Advice

Electronic Speed Controllers

History:

   ESC were originally developed to be used in conjunction with brushed 27T stock and modified motors in the late 1970s, early 1980s. Compared to modern day Controllers, they were Bulky and heavy, constructed using basic resistors, rheostats, capacitors and transistors, crammed together on a simple circuit board, to provide stepped but smooth acceleration when compared to the old mechanical, servo operated sweeper Speed Controllers. An Electronic Switch to change the direction of current flow was used on some of these early ESC to give reverse operation. Although they were a vast improvement on the old mechanical speedos of the time, they were expensive, jerky to control and prone to burn out if not carefully looked after.

   As new technology became available, improvements were slowly made and with the introduction of the new FET (Field Effect Transistors) and some basic mass produced silicon chips, ESC were made smaller and their reliability gradually improved.

   By the mid 1990s, "regenerative breaking" was developed. This meant that energy that would have been lost slowing down the car by effectively turning the motor into a generator, was harvested and put back into the battery. This of course was long before F1 had KERS (Kinetic Energy Recovery System) and adjustable anti lock breaking was introduced.

   Brushless Motors came to RC in the late 1990s early 2000s, which required a new breed of ESC to be developed to fully utilise the new technology. Ni-Cad Rechargeable Batteries were superseded by Ni-Mh and more recently Li-Po Batteries which provided higher Current output for the ESC to regulate. The latest ESC now use sensors to manage the motor and can be adjusted remotely to suit varying conditions.


Brushed Motor ESC.

   The "Silver Can" Stock Motors that come in a wide number of RC model kits are often accompanied by a 5 Amps to 20 Amps ESC. However, if you want to upgrade to a more powerful Modified Brushed Motor, 20 Amps may not be enough, so you will have to buy a something well over 20 Amps depending on the number of turns of your motor. As a rough guide, a 9 Single has a much higher current requirement than 20 Single.

Brushless Motor ESC.

   ESC for Brushless Motors are in no way compatible with brushed motors. The DC (Direct Current) input from the battery, on brushless ESC is transformed into three phase AC (Alternating Current). Each "phase" connecting three wires on the Brushless motor. By changing the frequency of the output wave the motor will spin faster for acceleration or slower for breaking. Reverse is simply achieved by changing over any two of the three "phases".
   At the time this article was written, Brushless ESC range from 3 Amps to around 300 Amps.
   For beginners I recommended you buy an ESC and Motor Combo, that way you can be sure the ESC Current rating is correct for the Motor.


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



Hints and Tips

Radio Frequencies

   After buying your first car, it won't be long before you need more than simply bashing around the back yard, or out on the street. So you will be looking around to find a club that is not too far away where you can do some serious racing.

   Before you can start racing, you will need at least three different sets of crystal frequencies. The race organisers will note down all your available frequencies when you register at the track and allocate one of those frequencies to you for your heat. To avoid change over problems from one heat to the next, they generally try to give you a frequency that no one in the heat before or after is using, but always check to make sure before you put your car down on the track and switch on.

   There is nothing more annoying than to be in the middle of your best qualifying race and some idiot switching on their transmitter in the pits, on your frequency. Not only could it spoil your race, but it could cost you a lot of money if at the time you are travelling at top speed along the straight, loose control and crash head on into the wall. Just imagine how you would feel.

   Now, imagine this scenario. You are at your RC meeting and you need to run your car to check out some changes you have made, either after a crash repair, to adjust the steering servo, or just fine tune your car before the next race. What do you do?

   Before you switch on anything, the first thing to do is check with race control, to make sure that none of the racers presently on the track or in the next heat are on the same frequency you want to use. The people in charge are always willing to help in these situations and if none of your three available frequencies are safe for you to use, they will often lend you some crystals, sometimes for a small fee.

   Some of the bigger meetings use a board displaying all the possible frequencies, indicating which of those frequencies are in use at that time and which are available for others to use. To claim a particular frequency you simply take a peg or marker off the board so that others wanting to check their car out can not use the same frequency as you. Before the next heat, this board is updated and any missing pegs must be accounted for. So obviously the best time to claim your frequency, is at the start of a heat and you must return it before the start of the next heat.

   So, be cautious, use the protocols at your track as they should be used and you won't make any enemies you know it makes sense.

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









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