How Turret Ring Bearings Have Changed Over Time

Whether you're looking for a replacement part or just need to know how to replace a turret ring bearing, there are a number of ways to make the job easier.

Mounting points for boxes and tools on the rear top plate

During the production of the Wa Pruef 6 turret, a number of mounting points for boxes and tools were installed on the rear top plate of the turret ring bearing. The turret ring was made of a steel ball-bearing race that rested on two grooved steel rings. The turret support ring included 240 teeth selves to allow a manual traverse drive. The turret support ring also comprised a sealing ring to protect it from sand.

In addition, the turret had three lifting studs for removal operations. It was also fitted with a travelling lock for the turret. The turret ring was equipped with a rubber inner tube for sealing the gap between the ball bearing and the hull turret. Water seeping into the ball bearing race was drained out by a tube with a threaded cap.

Tests to determine if wires are hanging up

Whether you are a senior staff officer or a student, you can easily imitate how a power station inspector checks the bearing shell of a turbine ring bearing. The test can be simple, but it can also be complex. The best method is to vent each bearing housing.

In a nutshell, a bearing shell inspection is a thorough visual examination of a bearing to see if there are any signs of excessive clearances between the shaft and carbon ring. If the clearance is too large, there may be a destructive steam "wire drawing" across the face of the carbon ring. It is also important to check for excessive surface temperatures in the gland box. These can be caused by improper break-in or a damaged mechanical seal.

Quality of the Tamoyo 1s

During the early development stages of the Tamoyo, the quality of the turret ring bearings was not a major concern. However, as the tank continued to develop, some changes were introduced. Among them, the hull design was modified. The original M41 hull was replaced with a more angular design. Moreover, a new and longer gun was added. A wedge-shaped gun shield was also added. This gun could fire accurately at high speeds and on-the-move. The tank also had a Laser Range Finder.

The first working prototype was built and delivered in May 1984. It was powered by a 500 horsepower DSI-14 turbocharged V8 diesel engine. It also had a modern HMPT-500 transmission. This made it possible for the tank to operate with a more powerful engine. The turret was also designed with a more angular shape.

X1A2 turret concept

X1A2 was the first serially produced tank manufactured in Brazil. The hull was a completely new design. It was larger than the X1 hull and had a more ballistic shape on the front. The turret ring was similar to the X1 ring. It had a gun depression of 8 degrees. The turret had coincidence rangefinding. It was also equipped with a swing arm.

The turret was based on the French H-90 turret. It was upgraded with a more modern gun. The gun was the EC-90, a 90 mm low-pressure gun derived from the Cockerill Mk.3. It was built by Engesa. The X1A2 was armed with 68 rounds of 90 mm ammunition. The X1A2 could traverse 360 degrees in 12 seconds. It could cross trenches up to 2.1 meters (6.9 feet).

The X1A2 prototype was built in late 1977 and early 1978. It was tested by the Parque Regional de Motomecanizacao da 2a Regio Militar. It was integrated with the X1A1 engine and gun.

Mock-up of the Tamoyo 2

Probably the most interesting part of the Tamoyo 2 is the turret ring bearings. The turret is lower than the original M41 turret and has a shallower slope. The gun is stabilized on two planes and can fire accurately on the move.

The turret is designed with a wedge-shaped gun shield. The turret also has a more angular design. There is an idler wheel on the front side and 3 return rollers on each side. The rear has sprockets for the drives. The turret has an extended engine deck. It has a 0.5 m ground clearance and can ford a 1.3 m deep water obstacle. It can handle 30% side slope. It is 3.22 m wide and 8.76 m long.