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RCScrapyard Radio Controlled Models
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1/10 Scale Electric Rally/Touring Car:

Kyosho PureTen EP Alpha (Radio Controlled Model)


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History + Information (and How To Set-up Tips):


  Released by Kyosho circa 1999, the 4WD PureTen Alpha EP ReadySet Series, are belt driven, with a molded plastic bathtub chassis, gear differentials, coil spring over friction dampers, dogbone drive-shafts, bushings, ring type bearings and a 540 motor.

  Three RTR models were available ... Subaru Impreza, Peugeot 206 and Ford Focus.

Kyosho EP Alpha
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  To race the Kyosho EP Alpha, it requires a high level of tuning for improved stability when cornering, to keep it on the track and give you more grip under acceleration. Even the smallest change in your cars settings can make a Big difference. Our simple to follow instruction chart will show how to attain the best Set-up for your personal requirements.

  With simple to follow language, we can point you towards the correct Electric Motor for your EP Alpha and achieve the best Gearing, for your battery and motor combination.

  Learn the secrets the professionals have known for years to get the best from their Bearings using a number of simple tips. See how you can easily avert Radio interference, and the best way to safely Charge your Batteries, for improved acceleration and more run time.









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Items For Sale:






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★ Kyosho Pureten Alpha EP - Subaru Impreza ★
Kyosho Pureten Alpha EP - Subaru Impreza

★ Kyosho Pureten Alpha EP - Peugeot 206 ★
Kyosho Pureten Alpha EP - Peugeot 206

★ Kyosho Pureten Alpha EP - Ford Focus ★
Kyosho Pureten Alpha EP - Ford Focus


Buying a Used Kyosho EP Alpha
Touring Car (and What to look for)


   Buying a used Kyosho EP Alpha 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 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 Kyosho 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 Kyosho 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 Kyosho 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 Kyosho EP Alpha 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 EP Alpha 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 EP Alpha Touring Car model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.

   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.

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 EP Alpha 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 Kyosho EP Alpha 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 Kyosho 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 EP Alpha model and good racing.


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


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Manufacturers and Brands Catalogued and Listed by RC-Scrapyard.


   At present, the RC Model Manufacturers, Brands and Distributors covered by us are: ABC Hobby, Academy, Acme Racing, Agama Racing, Amewi, Ansmann Racing, ARRMA, Team Associated, Atomic RC, Axial, AYK, Bolink, BSD Racing, Capricorn, Carisma, Carson, Caster Racing, Cen, Corally, Custom Works, Durango, Duratrax, ECX - Electrix, Exceed RC, FG Modellsport, FS-Racing, FTX, Fujimi, Gmade, GS-Racing, Harm, HBX, Helion, Heng Long, Himoto Racing, Hirobo, Hitari, Hobao, Hong-Nor, Hot Bodies, HPI, HSP, Intech, Integy, Jamara, JQ Products, Kawada, Kyosho, Losi, LRP, Maisto, Mardave, Marui, Maverick, MCD Racing, Megatech, Mugen, New Bright, Nichimo, Nikko, Nkok, Ofna, Pro-Pulse, Protech, PTI, RC4WD, Redcat Racing, RJ-Speed, Robitronic, Schumacher, Seben, Serpent, Smartech, Sportwerks, Step-Up, Tamiya, Team-C Racing, Team Magic, Thunder Tiger, Tomy, Top Racing, Traxxas, Trinity, Tyco, Vaterra RC, Venom, VRX Racing, WLToys, X-Factory, Xmods, Xpress, Xray, XTM, Yankee RC, Yokomo, ZD Racing and Zipzaps.

   This is an ongoing project, with new and "lost in time" RC Model Brands being added as they are found and although most of those listed above have been covered in relative detail, some are still being researched and will be completed in the near future.


















Hints and Tips

On Road Indoor Carpet Tires


   Some indoor carpet tracks do not allow you to use anything but foam tires. The reason being the wear on the carpet some soft rubber tires, such as Proline Hawgs and Schumacher pin-spikes can create. But on some tracks, where a combination of carpet and wooden board is used, rubber tires may be allowed.

Sponge or Foam Tires


   Basically there are three foam compounds available: Soft, Medium and Hard.
Soft foam tires will normally provide the best grip on most carpeted tracks, but wear faster than other compound tires. They also wear unevenly. Cornering always puts more stress on the outside wheels, so naturally they will wear more. Therefore, in an effort to even out that wear, the wheels must be swapped over from side to side after each race and re-trued before the next race meeting.

   Incidentally, if you are looking to learn or hone your drifting skills, try a set of hard compound foam tires. They may not be the best tires to win races on a carpet track, but the fun level is brilliant.

Foam Tire Additive


   Most indoor carpet tracks allow some kinds of tire additive, but not all. One guy at our local track, used to dip his foam tires in a glass of light ale.

   Although this form of additive may seem a little odd, there are a high number of weird and wonderful concoctions used by racers in the RC world and just as many available commercially, most of which will improve grip if that is what you want.

Rubber Tires for Indoor Tracks


   Unlike outdoor racing where track temperature comes into play, indoor tire choice is comparatively easy.

   On tracks where rubber tires are allowed, with a combination of carpet, board or other surface type, the choice of tire is generally determined by the areas of track where the grip is least. Local knowledge on these tracks is always helpful as a starting point, but don't always accept any suggestions as being the best. Trial and error, on your practice laps, before racing begins in earnest, can often highlight a different tire more suited to your particular driving style.

   Also check out my article for On-Road Tarmac Tires.

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








Hints and Tips

Shock Mount Settings

   The combinations of Shock settings available on the majority of on and off road cars are far too many for this article to cover, so I will endeavour to explain some of the basics, that should give you some idea what these changes might achieve. Some of the settings suggested may not be available on all RC model cars.

   If you look at the lower wishbones of you model, you may see a number of holes alongside where the ball studs for the dampers are positioned. If you were to remove those studs on the rear wishbone and reposition them in the hole further out from the center of the car, the first thing you will notice is the ride height has dropped, this can be corrected by adding C spacers above the springs. The second thing you will notice is the shocks are more sluggish, this can be compensated by using thinner oil. If this adjustment is made on an off-road car, it can be advantageous for landing after big jumps, providing improved stability due to the increased hydraulic pack in the shocks (as described in my previous article). This setting can also improve the way cars handle small bumps and dips in the track, due to the softer static damping.

   Changing the mounting hole positions used by the dampers, on the wishbone or on the shock tower, will always change the angle the dampers lay. This angle is what changes the characteristics of the shocks in that they will react to different track types and conditions. The above example is just food for thought, for those looking to improve their cars handling in relation to any other settings, such as caster, camber, toe-in etc, they may have previously made on their car. The only way to really get to grips with this subject is through trial and error.

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










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