RCScrapyard ► Iconic Vintage Radio Controlled (RC) Model Car Archive ► Team Losi XXX-S Sedan.
RCScrapyard Radio Controlled Models
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1/10 Scale Electric Rally/Touring Car:

Team Losi XXX-S - LOSA0250 (Radio Controlled Model Review)


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History, Info (and How To Set-up Tips) for the Losi XXX-S:


  Released by Losi circa 2001, the 4WD XXX-S Touring Sedan Kit - A-0250 - is single belt driven, on a molded plastic chassis, with ball differentials, coil spring over oil filled dampers, CVD drive-shafts and a full set of ball bearings.

Team Losi XXX-S
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  To race the Losi XXX-S, 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.

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★ Losi XXX-S ★
Team Losi XXX-S

★ Losi XXX-S Chassis ★
 Losi XXX-S Chassis


Buying a Used Losi XXX-S
Touring Car (and What to look for)


   Buying a used Losi XXX-S 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 Losi 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 Losi 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 Losi 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 Losi XXX-S 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 XXX-S 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 XXX-S 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 XXX-S 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 Losi XXX-S 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 Losi 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 XXX-S model and good racing.


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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

Getting into RC

   When I first got into racing RC, all I had was a three year old clapped out Tamiya Boomerang, a silver can stock motor, three step mechanical speed controller, two 1400Mah stick batteries and basic Acoms stick transmitter.

   I was the newbie and most of the guys I was racing against had all the latest models, modified motors, matched batteries and top spec radio equipment, but I was still beating them easily. Why? The answer is simple: Practice. I had been driving that old car around my back yard and in the local park for almost three years. The others bought their cars only a few weeks or months earlier and had pestered their parents for the latest and most expensive car, motor etc, but did not have the experience to be able to control it. While I was steadily trundling around the track, they were crashing out on every other corner, popping ball joints, breaking wishbones and generally causing havoc.

   The moral of this story is all too obvious and anyone starting up in RC who wants to race please take note. You don't need the best equipment to win races. You can start with a cheap basic kit and with a lot of practice in some wide open spaces where you will not cause any damage, learn how to control your car. Remember don't try to run before you can walk. Stick with that silver can motor for a while and upgrade to something a little faster only when you have mastered the old one. You don't even have to buy new. If you go down to your local RC Club, there are always cars for sale. They may be battered and bruised, but if you get an old brushed silver can motor, a cheap 5A ESC, a couple of Nicad, or Nimh batteries, charger and simple radio gear, that is all you need to start practising and after a while, winning races.

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







Hints and Tips

Tire Compounds

   Way back in the early 1990s when I first got into RC, most of the off-road models available came with chunky hard compound block tires that gave little or no grip on grass or dirt tracks. On-road didn't have this problem as they were still using sponge tires that with a coating of wintergreen based tire additive before each race to improve grip. There was even one guy who swore, before every race, he dipped his wheels in a glass of light ale.

   Then things started to change. By the mid 1990s tire manufacturers such as Losi and Schumacher began developing smaller pin tires, in softer compounds. These mini pin versions were a revelation for grass racers, but were only a small improvement on dust tracks.

   As new compounds were released, grip slowly improved. Then, with the release of the micro pin, super soft compound tires, off road was a completely different sport. Grip roll was now one of the problems drivers had to learn to contend with. This was something unheard of only a few short years before.

   Rubber Tires for On-road RC models had been around for a while in the early 1990s, but because sponge was so widely used, rubber never really caught on. Then, as Tamiya released its 1:10 on road models based on the off-road Manta Ray chassis, other manufacturers caught on and began producing their own 1:10 on-road cars. Schumacher released the SST 98, using the same gearbox and differentials as their Cat 2000 to reduce tooling costs. Tires were now being produced for this new scale in rubber. Pit Shimizu and Take-off were two of the leading RC on-road tire developers at the time, each releasing three different compounds, with recommended track temperature use. From that point on, on-road RC racing never looked back and the days of sponge and light ale came to a shuddering stop.

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










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