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Tamiya Terra Conqueror - #58115 (Radio Controlled Model Review)

1/10 Scale Electric Buggy - DF-01 Chassis:

  Released by Tamiya on December 3, 1992, the Terra Conqueror was another Radio Controlled Model based on the plastic bathtub DF-01 chassis, first seen on the Tamiya Manta Ray (#58087).

Tamiya Terra Conqueror - #58115 DF01
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  For this model a number of improvements were made over the original DF-01 chassis, including, two ball differentials in place of one ball and one gear type, turnbuckles to provide adjustable wheel camber and a solid steel prop shaft to replace the old wire type. Also a full set of shielded ball bearings were included in the kit.

  One problem with the DF-01 chassis and its family was that if the motor mount was allowed to work loose, the pinion gear would chew up the spur gear in seconds, so you soon learned to check it after every race. TIP: Drill the holes deeper and fit longer screws.

  Because of the many incarnations of the DF-01, TA-01 and TA-02 chassis for many models, parts and spares for the Terra Conqueror are relatively easy to find.


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

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Tamiya Terra Conqueror #58115 DF01 - Chassis
Tamiya Terra Conqueror #58115 DF01 Chassis
Tamiya Terra Conqueror #58115 DF01
Tamiya Terra Conqueror #58115 DF01 Body Shell

Buying a Used Tamiya Terra Conqueror
Buggy (and What to look for)


   Buying a used Tamiya Terra Conqueror Electric Buggy, 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 Buggy you may discover can easily be fixed.

Dampers
   When you receive your used Tamiya Buggy, 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 Terra Conqueror 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 Terra Conqueror 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 Terra Conqueror Buggy 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 Buggy 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 Buggy 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 Buggy 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 Buggy 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 Terra Conqueror 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 Terra Conqueror 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 Buggy 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 Terra Conqueror model and good racing.




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Tamiya Terra Conqueror - #58115 DF-01


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

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.









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