RC Cars HPI Dash

Sunday, October 23, 2005

Problem with Nitro Car Engine

If you nitro car engine runs fine but does not move that means something in the drive train has come in lose. Best option would be to first check the rear wheels. Ensure in the rear wheels if the nuts that fixes them to the axel are in place. If nuts are loose then axel may keep moving in its place but the wheels may not get the enough gear to move.

If rear wheels and their attachment to axel is okay then it would be a good idea to check the inward drive shafts to the differential case. If there are universal joints at the differential case, they are attached with small screw sets. These screw sets might be one of the reasons that they may give problem with the moving of the car. The set screws hold the drive joint onto the small stub shafts that protrude from the case. If these shafts are loosened then the stub shaft will spin but the drive joint will not. The set screw shall need to be on to that flat portion of the shaft to align the same with the drive joint. To get access to the set screw it may be required to dissemble the suspensions a little.

Moving along these lines; mostly the car starts working fine. But if the problem still persists, it might be possibility that the main gear needs to be inspected. Inspect the main gear to ensure that it is tight on the shaft. When a slipper clutch is loose, the main gear will turn but the power will not be transferred to the gear box. This can be easily seen when the engine is operating. If you view that the gears turn but the shaft does not then it means that the slipper clutch is loose. The main gear needs to be tightened on the shaft and the problem shall be solved.

These suggestions work best with the gas powered model cars. But they are not limited to them only. Applying the above inspection rules may solve problems with most of the cards and the wheels may set rolling.

These problems occur mostly with gas powered remote control racing cars. This is due to the reason that the vibration of the engine tends to loosen the nuts, bolts or screwing of the chassis etc. this loosening might give some problem although the initial working model might have been picture perfect. But after a speed run some check back are always due to avoid such problems.

It would in the best interest of the car model and for the driver also to always give a one and half hour inspection to the model after every four hours of run. This maintenance always keeps the model set right and ready to speed up. Usually Nitro based models require fairly high degree of maintenance to the vehicle. This is due to the reason that Nitro Remote Control car go 1/8th scale off-road single speed average 30-40 MPH. 2-Speed averages to be 40-50 MPH. Trucks average 25-35 MPH. Speeds can be variable depending upon environmental conditions, motor size, tuning, gearing, clutch bell size, etc.

So taking care of Nitro engines might not be such a great task but a regular maintenance along with regular care should do the wonder.

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Sunday, October 16, 2005

OPERATIONS AND MAINTENANCE OF ENGINES

Great views and great opinions prevail in the market for the performance of Nitro engines. Any model not only RC cars but any vehicle powered with a Nitro engine would have some talk volumes about its performance, authentic look and feel and the great satisfaction it gives while running it. Moreover owning a Nitro model is a pride in itself. They look great on-road and off-road as well.

The electric engines do not take much fancy as compared to a Nitro. Nevertheless, their performance of electric ones also gear up to the mark. Taking a closer look, electric ones are over-simplified. They are easier to start. They are safe to set up. More over they just need charging of batteries and one is ready to hit the tracks with them.

On the other hand, Nitro engines are little more sophisticated machines. They need to be pampered and cajoled and to be taken care of before and after hitting the tracks. The engine requires a lot of initial break-in time, tuning and adjustments. But surprisingly, many of the fans enjoy the same. They enjoy spending time with their engines and tending to them. They love the time and experience of breaking in a new engine, tuning it to my personal preferences and getting the most out of my engine. This does not make a Nitro engine a green monster or a Zombie for a newbie because it would be in good sense to mention that Nitro engine has many advantages that far outweigh the maintenance and operation costs.

Although this personal touch experience is missing with the electric ones which are good for the ones who want to make straight headway to the tracks and pursue it as a part time hobby.

Nitro engines require some dedication to learn about their working mechanism. One needs to learn to maintain and service a 2-stroke engine, learn all the parts and perform regular checks and repair. Nitro engines are somewhat more prone to damage and are much more costly to replace. With some patience, time and dedication to your RC engine however, you can become an RC nitro mechanic in no time at all.

But an electric system is easy to install and maintain. If the batteries are taken care of properly then Electric setups do not require much maintenance. One can easily burn the batteries if they are not regularly charged and stored in the proper place under appropriate temperatures.

But with all that maintenance and operations care that goes after a nitro engine, it surely does produce the real power and gives out the best performance on the tracks than any of the electric ones. Some companies do produce motor engines claiming to be equivalent to the power of a nitro engine but that’s a rarity. A nitro engine is simply able to produce more power, and for as long as it has fuel. An electric motor may start out strong, but as the power discharges at an amazing rate; the nitro engine will still be going strong. This is an area where the average electric vehicle cannot compete with a nitro-powered vehicle of the same size and class.

Thus it can be easily summarized to the fact that even after higher maintenance and opertions costs along with the noise factor problem involved with the Nitro engine they give out much greater authentic experience of running an RC model. They have more power and speed plus they also give a greater run time.

Further, the electric engines may have lower initial cost, lower operating and maintaining costs without any noise factor, they turn out less power and speed give out less run-time. Further, the authentic feel and experience of running RC vehicles is definitely missing.


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