RCScrapyard ► Iconic Vintage Radio Controlled (RC) Model Car Archive ► Yokomo GT500 / GT300 Series.
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1/12 Scale Electric Pan Car:

Yokomo GT500 / GT300 Series (Radio Controlled Model Review)


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History, Info (and How To Set-up Tips) for the Yokomo GT500 / GT300 Series:


  Introduced by Team Yokomo circa 2010, the 2WD GT500 / GT300 pan car series was available with a number of bodyshell options: For the GT500: GT5-R35 - MOTUL AUTECH GT-R, GT5-SC430 - PETRONAS TOM'S SC430, GT5-HSV - Weider HSV-010 GT. For the GT300: GT3-REA - M7 RE MUTIARA MOTORS Amamiya SGC 7, GT3-IS350 - Weds Sport IS350.

  The models were based on a pan chassis, with link bars, motor pod, gear type differential, rear transverse mono un-sprung damper, with coil spring over oil filled damper and a full set of ball bearings.

Yokomo GT500 - 1:12 Electric Pan Car
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  To race the Yokomo GT500 / GT300, it must be fine tuned to improve handling, provide responsive steering and give you the grip to cruise around corners at high speed, without slipping off the track. Small adjustments can make a Big difference and our step by step procedure, will guide you to the best Set-up for your individual driving style.

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★ Yokomo GT500 / GT300 ★
Yokomo GT500 / GT300

★ Yokomo GT500 / GT300 Chassis ★
Yokomo GT500 / GT300 Chassis

★ Yokomo GT500 / GT300 Chassis ★
Yokomo GT500 / GT300 Chassis

★ Yokomo GT500 / GT300 Chassis ★
Yokomo GT500 / GT300 Chassis

★ Yokomo GT500 / GT300 Chassis ★
Yokomo GT500 / GT300 Chassis


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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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

Wings

   When you think of the Wing or the spoiler on any RC model car, you immediately think of down-force, but which wing is best for your model and what setting should it have?

   When you first build your car, most drivers will cut out the wing supplied in the kit, put it on the car and forget about it. It's only when the new kid at your local track, starts beating you that you begin thinking about changing a few things to make your car faster and one of the easiest changes you could make is to your wing.

   Choosing a wing for off-road can be confusing, so first of all you need to understand just what your wing can do for the way your car handles. Down-force equals traction and traction is what you need for controlled acceleration. The correct wing on your car can give you a good proportion of that down-force and if it has high side panels, it can also improve cornering and straight line stability.

   The first thing you need to consider when choosing your wing is the size. A small wing may not give as much down-force as a larger one, but it also weighs less and provides less speed restricting drag. So, if the track you will be racing on has good traction naturally and has nice long straights, a small wing may be an advantage. Large wings will obviously give you more down-force and on tracks with poor traction and short straights, will be the obvious choice. If rear end grip on cornering is also a problem, go for those high side panels as well.

   Tuning your wing angle can also improve the way it performs. A more acute angle will give you improved grip, but will also increase drag. If you go more flat with your wing, down-force is reduced, but drag is also reduced, so setting your wing angle is simply a matter of trial and error to suit your needs.

   The way the wing is mounted on your car must also be considered. If it uses a wire, it has a tendency to flex as it pushes down; this obviously flattens the angle as you speed along the straights, reducing drag, which could be good in some cases, but bad in others. If your wing is held by a rigid alloy or plastic support, the previous consideration is not a problem. Down-force is maintained as constant, but so is the drag.

   Changing and tuning things like your wing may seem futile if you are the big fish in a small pond and winning at your local track is not a problem. But if you ever go to the bigger ponds, its considering things like this that can keep you competitive.

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







Hints and Tips

Anti Squat

   Described as the angle at which the suspension arms pivot in relation to the chassis, Anti Squat effects traction under acceleration.

   Considered to be at its most effective from a standing start, the handling and stability of the majority of modern day On Road and an increasing number of Off Road models, can be improved with a certain amount of anti squat, normally no more than around 3 degrees.

   Basically, more anti squat gives you more traction, but after a certain point, that advantage is lost and the car will become unstable when turning into high speed corners. For Off Road models anti squat can also improve how the car handles on bumpy tracks.

   Less anti squat allows the car to drop at the rear under hard acceleration, providing less traction, but more stable when cornering. If no anti squat is present, with the lower suspension pivot shaft being parallel to the chassis, steering will be sharp and can induce some over-steer.

   Most manufacturers have some anti squat on their car kits provided as standard and hop-up parts are generally available to change the anti squat angle, but more often, on a wide range of models, all that is needed is a washer or two under one side of the suspension pivot block. However, if the block is held in position using self tapping screws, it may be prudent to change them for slightly longer ones.

   If you are thinking of trying a different setting on your car, not just for anti squat, always remember to only make one change at a time. Too many changes to your set-up made at one time, can make it difficult, if not impossible, to determine which change you made gave you the result you desired.

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










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