I just plain forgot to offer because I was having too much fun with it? So what is a th scale buggy with th scale wheels like? Read on…. Review, p ics and movie by : GregZ with capturing assistance from Brian. Test Drivers: Greg Z.
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Items For Sale:. 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 Kyosho website, or purchased separately on eBay.
With an instruction manual, any problems with your model Buggy you may discover, can easily be fixed. When you receive your used Kyosho 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 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 DBX 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 DBX model, fit an under guard to stop dirt and gravel entering the chassis. 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 DBX Buggy model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.
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. 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 Nitro Engine 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 Nitro Engine mount and remember to check them for security after every two or three runs. Ball joints always cause problems. For top level Nitro 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. The DBX 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 DBX 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. If your used Kyosho 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 DBX model and good racing. Aerodynamics for Radio Controlled Cars. Anti Squat for RC Beginners. Battery Connectors - Which are the best? Batteries - Types and Charging.
Bearings - Professional Tips to make them work for you. Bumpsteer - What it is and how to avoid. Camber - The easy way to improve handling. Caster - To help your car go faster. Dampers - What they do and How they work. Drifting Tips - A step by step guide. Driving Tips - Drive fast, drive smooth. Droop - For more Stability and Grip.
Electric Motors - Tune for Top Performance. ESC - History and Advice. Gearing your Car to Win. Gear Mesh - Setting Tips.
How to Repair a broken Plastic Part. Radio - Choice and avoid Problems. Ride Height - Find the optimum setting. Roll Center - What it is and affects. Servos - Types and Advice. Sway Bars for Radio Controlled Models. Tires - for Buggys, Trucks and Truggys. Tires - for Carpet Racing and Drifting. Tires - for On-Road Tarmac Racing.
Toe Angle - For Steering and Stability. Weight - Reduction tips and suggestions. Wheel Balancing - for improved Stability. The smallest changes can make a huge difference in the way your car performs on the track and our comprehensive instructions will help you to find the best Set-up to get you where you want to be. 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.
To start the engine, a battery powered Starter, or Glow Igniter is connected to the Glow Plug and electric current heats the coil to white hot, so that when you pull start your engine, the air - fuel mixture in the cylinder is ignited. With the engine now running, the starter is no longer required.
Heat generated under compression is enough to keep the coil element hot enough to keep the engine running. At some point, the Glow Plug originally supplied with your Engine will invariably burn out, so you will have to purchase a replacement. If your engine isn't too old you should be able to obtain a similar one, but if the manufacturer is no longer in business you may have a problem. If you still have the instruction book that came with your engine you may find there are a number of optional plugs available.
Most Plugs generally have a code, indicating the plug elements effective operating temperature. These codes vary from manufacturer to manufacturer so be wary if you need to consider a plug from a different Manufacturer than that of your engine. If you use fuel with a high proportion of Nitro, err towards Cold Plugs. Less Nitro, Hot. For example, For a. While a.
One more thing you may at some point consider when determining the right plug, is the compression ratio of your engine. By removing one of the Head shims you can Increase the compression. More shims, Lower compression. This option is not something I would recommend to those with little knowledge, so if you want to try this please be sure to ask someone with more experience before risking your expensive engine.
High compression ratio engines run better with Cold Plugs. Conversely, Low compression ratio engines need Hot Plugs. If for some reason you use the wrong plug, you will soon know by how the engine runs. With too Hot a Plug, the engine will overheat and could damage your engine. If you hear the engine miss fire at high revs and you see pit marks on the cylinder head and piston, try either a cooler plug, add a shim to the head, or lower percentage Nitro fuel. If your Plug is too cold, your engine will idle poorly, lose acceleration and top speed.
You will also notice the smell of fuel from the tail pipe. However, be wary, this could also be because of a rich fuel mixture. This simple to make adjustment is considered by many to be one of the most effective changes you can make to your car for better handling.
Positive Camber is when the top of the wheel is angled outwards. Negative Camber has the top of the wheel angled inwards.
First of all, get yourself a good camber gauge.
Kyosho DBX Manuals
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Kyosho DBX - 31096 (Radio Controlled Model Review)
Manual zz. Item No. Engineers that have designed the best and most successful racing machines the World has ever seen also designed the DBX and DST, which means that they share a level of design and manufacturing experience that is rare among RC manufacturers. That means the DBX and DST deliver an extraordinary balance of power, handling, durability, quality and value that can only be delivered by Kyosho. It features a large machined aluminum heastink cooling head, durable ABC construction, and a precise slide-valve carburetor that delivers sharp and consistent throttle response. The large capacity of the tank can deliver run time in excess of 10 minutes between fuel stops.