Problem with Nitro
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
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
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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