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1/10 Scale Nitro Truck/Truggy:

HPI Firestorm 10T - # 10510 / # 10511 (Radio Controlled Model)


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History, Info (and How To Set-up Tips) for the HPI Firestorm:


  Introduced by HPI (Hobby Products International) in 2007, the 2WD Firestorm 10T RTR Stadium Truck - # 10510 / # 10511 - replaced the successful Nitro Rush and came with a G3.0 engine and HPI TF-1 radio system.

  The HPI Racing model was based on an alloy plate chassis, with gear type differentials, coil spring over oil filled dampers, dogbone drive-shafts and a full set of ball bearings.

HPI Firestorm
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  To race the HPI Firestorm, 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.

  Our simple guide explains "run in" and what to look for as you tune the Nitro Engine for your Firestorm.

  Using plain language, our guide will show you how to avoid Radio interference, and Servo Twitch, by positioning your radio receiver and implementing the latest innovations. Find out how to reduce friction and improve the performance of your HPI Firestorm Bearings with a few common sense hints and tips.









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★ HPI Racing Firestorm 10T ★
HPI Racing Firestorm 10T

★ HPI Racing Firestorm 10T Chassis ★
HPI Racing Firestorm 10T Chassis


Buying a Used HPI Firestorm Truck (and What to look for)


   Buying a used HPI Firestorm Nitro Truck, 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 HPI website, or purchased separately on eBay. With an instruction manual, any problems with your model Truck you may discover can easily be fixed.

Dampers
   When you receive your used HPI Truck, 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 HPI 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 HPI Firestorm 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 Firestorm 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 Firestorm Truck 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 Truck 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 Truck 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 Truck 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 Truck 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 Firestorm 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 HPI Firestorm 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 HPI Truck 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 Firestorm model and good racing.


For More on how to Setup your Truck, 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

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.







Hints and Tips

Maintain your Fuel System

   Nitro engines need a regulated constant supply of fuel to run efficiently. If this supply is restricted or contaminated in any way, the engine will show problems in a number of ways.

   If your engine is running hotter than normal, begins to stutter, has trouble idling or won't even start, your first instinct would be that it is running lean, but when you try to make adjustments, it has no effect. The reasons for your problem could be a number of things, but the most likely is a fuel or fuel line problem.

   First of all visually inspect the fuel system. Check the fuel line for any kinks or tight bends that could restrict free flow. If you do find any kinks or any damage to the line, I would recommend changing it rather than trying to simply straighten it out or repairing it in any way. Any leaks you find in the system must be dealt with, if you can, replace the parts.

   If the line looks okay, disconnect it and check for any blockages. Clean and flush it out if you can, or if necessary replace it. If your system has a fuel filter, clean or replace it.

   Check the fuel tank. If the fuel cap or the tank has been damaged in some way, this could allow contamination or debris to enter the system. If damage is found, don't risk it, change the tank.

   If the tank looks undamaged, drain it and refill with fuel. However, before you do this, check your manual to make sure that you are using the right type of fuel for your engine. If in any doubt, don't be afraid to ask someone.

   Make sure the fuel line is the correct size. If too small, it will not be capable of supplying the amount of fuel the engine requires. If the line is too large it could be impossible to reduce the flow enough for the engines needs and be constantly running rich.

   Second hand engines can often have had changes made by the previous owner that could be causing your problems. If after carrying out all the recommendations in this article, check the manufacturers' website for any details on recommended fuel and fuel system.

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










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