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Tamiya Semi Tanker Trailer - Shell - # 56303 (Radio Controlled Model Review)

1/14 Scale Semi-Trailer -

  Released by Tamiya on March 9, 1994, the Semi Tanker Trailer kit (#56303) is made to go with the Tamiya series of 1/14 scale R/C Tractor Trucks. An Online Limited Sales version, Factory Finished, Limited Edition RTR Tanker Trailer (#23634) was introduced in 2006.

Tamiya Semi Tanker Trailer - # 56303
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  The trailer model is based on a rigid alloy ladder frame chassis, with alloy panels, solid axle, leaf-spring suspension, friction dampers and a tank made of polished stainless steel, with authentic Shell decals.

  The kit comes with Plastic and Sintered metal bush type bearings, that after a short while, when dust and grit get into them, can actually wear into the metal drive shafts that spin in them. If you are building this kit to run seriously these should be replaced by a full set of steel shielded ball bearings.


      Rating: 45 Stars out of 5 Reviewed by: RCScrapyard     Manual.

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Tamiya Semi Tanker Trailer - Chassis
Tamiya Semi Tanker Trailer Chassis

Tamiya Semi Tanker Trailer
Tamiya Semi Tanker Trailer

Tamiya Semi Tanker Trailer
Tamiya Semi Tanker Trailer

Tamiya Semi Tanker Trailer
Tamiya Semi Tanker Trailer


General Information and Advice

   For those starting in Radio Controlled Racing, here are a few Hints and Tips: Firstly, buy a Kit not an RTR. That way, if something breaks you will have some idea how to fix it.

   Radio Controlled Model Cars are very fragile and easily broken. The main parts to protect are the Front Wishbones, Suspension Shock Towers, Dampers, Hub Carriers, Kingpins, Uprights and Toe in Blocks, so make sure you have a good strong front bumper and Lexan or Hard Plastic Body Shell and if available for your model, a protective under tray, to prevent grit and dust getting into any moving parts.

   The Steering Servo is also a weakness in high speed crash situations, so get yourself some good strong Servo Mount and Servo Saver. Also I would recommend Titanium Shafts, Turnbuckles, Tie Rods and pivot/steering shafts and if available for your model, lightweight Titanium Drive shafts, dog bones and CVD (Constant Velocity Drives). The standard steel types are far too easily bent.

   Gearing is another problem area on RC model cars. Head on collisions can easily break off gear teeth on Nylon/Plastic Spur Gears and even Bevel Gears inside the Gearbox. Heavy impacts can also loosen nuts and self taping screws that hold the Motor in Position, allowing the Pinion Gear to pull out of mesh slightly and rip the tops of the teeth on your Spur Gear. To avoid this to some degree, fit locking nuts and a new motor mount from time to time, so the self taping screws that hold the motor in position have less chance to come loose.

   Ball joints always cause problems. For top level Radio Controlled model 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 breaking free could easily end your race, so better safe than sorry.

   Many New car kits come with Nylon and Sintered Brass Ring type bearings. My advice is to discard these before initial installation and buy a good Hop-up set of Shielded Steel Ball Bearings. Or if you are serious about your racing, Teflon or Ceramic Bearings.

   One final piece of advice about the Setup of your Car. Keep the Centre of Gravity as low as possible. Ride Height is all important. For On Road Drift/Touring cars the Ride Height should be no more than 5mm, for Buggys, Trucks, Truggys and Monster Trucks, as low as possible depending on the track conditions. If Body Roll is a problem, handling can be improved with the use of Stabilizers, Anti roll or Sway Bars, stiffer Tuning Springs and, or thicker Silicon Oil in the Dampers. Also find somewhere to mount the Transponder as low in the Chassis as possible.

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Or, check out our RC Model Car Setup Guide













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Hints and Tips

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.

   A jig to hold the cells vertical and side by side is advisable. 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. Then 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. Battery cells are notoriously very fragile and susceptible to the very high temperatures soldering requires. Anything longer than four or five seconds direct contact with the iron can cause damage to the crystal structure in the cell, so be wary.

   When you have solder on each end of each cell, line them up in the jig, positive to negative and dab a spot of flux on the soldered cells, then position your straps, with the solder coated side faced down, touching the solder on the end of the cell. Now place your hot iron on the strap. Heat will transfer through the strap and melt the solder on the two faces. Again, count to 3 and you should feel the strap drop slightly as the solder fuses with the solder on the cell. Repeat this for each cell on both sides to produce your desired configuration. Finally solder your two wires, previously prepared with connectors, to the pack. Do not solder wires with bare ends to your pack. If these wires were to touch and short out, you could effectively kill your expensive battery pack I use Red for positive and Black for negative, but so long as you know which is which electrical equipment does not like the battery to be connected the wrong way.

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







Hints and Tips

RC Model Car Weight

   If you ever step up and enter a regional, national or international event in RC, you will find one specific rule concerning the weight of your car.

   At the time this article was written, the Minimum weight restrictions for 1:10 electric Touring Cars at different events, was between 1350g and 1500g. This includes your Motor, ESC, Receiver, Battery, Body Shell and the transponder.

   Out of the box you will find the majority of 1:10 Touring Cars, with everything onboard, are way over this Minimum weight and unless you are good enough to attract sponsors, getting your car down to anything approaching that minimum weight will be very expensive.

   There are things you can buy like micro ESC and Receivers. But Batteries and Motors are what they are and you have to work around them.

   To reduce the weight of your chassis, there are a number of things you can do. If the car you have is generally considered competitive enough, there are often carbon fibre main chassis, shock mounts and other alternative parts available, but they are expensive. And when the new version of your model comes out all the money you have spent is lost.

   The most cost effective weight reduction is the metal parts of your chassis. UJs, Drive and Pivot shafts and the like tend to vary from model to model, but turnbuckles can often be transferred and lengthened or shortened by using plastic ball connectors, so titanium is a consideration.

   Screw sets can also be transferred from car to car. Titanium screws and wheel nuts are always available, but there is a cheaper alternative Aluminium screws and nuts can reduce your cars weight cheaply, but be careful not to over-tighten them, aluminium is not as strong as titanium and can easily shear off if you are over zealous.

   Another weight reduction option is to drill holes along the base of the chassis. However, I do not recommend this. For one thing you are reducing the strength and making the chassis less rigid, but you are also raising the centre of gravity of your car, which can affect stability.

   If you do manage to get your car weight below the minimum allowed, this will give you an opportunity to add weight where you want it and lower the cars centre of gravity.

   One last tip: Knitting needles. When I first started in RC, money was tight and my dad came up with all kinds of ideas to reduce weight. He obtained a 3mm dye and found some of my mums old aluminium knitting needles that were just the right diameter. Having determined the length of the turnbuckles needed for my setup, he cut them to those lengths and threaded each end, so he could put plastic ball sockets on them. Adjusting them was a bit of a pain and they could be a bit fragile in crash situations, but they saved us lots of money over those early years.

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








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