The Rotor Jack - Turbine Engines: A Closer Look

How do we keep the main rotor in the right place before the bearing that holds it in place is installed? Good question. Here's the answer...

Category:

Autos & Vehicles

Tags:

• J79
• LM1500
• turbine
• jet
• engine
• power
• torque
• bearing
• blade
• vane
• stator
• rotor
• jack
• compressor
• combustor
• cases
• S&S
• FSJ
• Curry

[MusicMan20061210]

I assume you're hinting that those drawings were at one time in the past secret info.

[AgentJayZ]

@MusicMan20061210 Hinting? Who's hinting?

I ain't hinting! Nobody's hinting about nothin' around here !

[mytmousemalibu]

Thats pretty cool! Great images ot the components you've shot there. That main bearing is a precious piece. Whats one of those bearings cost? It must have quite a thrust load on it during operation I would guess? Is that a common way turbines are built with all the thrust load on a center ball bearing?

Good job !

[AgentJayZ]

@mytmousemalibu There's usually only one thrust bearing, and the others on each end of a shaft are roller, so the shaft can expand and contract from heating and cooling with out damaging the bearings or buckling under the stress.

The price of the bearing? I don't know exactly, but you could get a nice used car for the same amount...

[MusicMan20061210]

@AgentJayZ Lol

[mytmousemalibu]

@AgentJayZ Very intresting! Ive seen a single ball bearing from a CM6 that was all heat discolored but it was still shiny and smooth, i guess its a testament to the high precision, hardness and quality of it.