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Replacing turbine bearings with lignum vitae saves time money

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Bearings & Seals: Innovations and Good Ideas - Power .

Bearings and seals are two primary components of hydro turbine systems. While project owners and operators often take these components for granted, if a problem occurs, this can create significant ...

Container ship goes green with Vesconite - Vesconi

When the stern tube bearing on the 490′ x 75′ container ship M/V Marine Rickmers began to fail, South Africa-based Elgin Brown & Hamer (EBH South Africa) replaced it with state-of-the-art, pollution-free Vesconite. The innovative self-lubricating polymer is far superior to oil-lubricated lignum vitae, white metal and composite bearings, especially with the implementation of ever […]

Lignum Vitae continues to lead innovation in Water .

LVNA continues its growth in the hydro industry with the stated goal of converting every hydro plant to environmentally friendly water lubricated lignum vitae. With lawsuits being filed all over the US to stop the threat of oil and grease from getting into our waterways it is our hope not a penny will be spent […]

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Bearings--too good to be true? - practicalmachinist.c

BTW, the bearings don't have a critical use, they just support a shaft that doesn't even turn a complete revolution. It is a big piece of equipment that probably doesn't even need a bearing, only a bushing so this may be a good time to check out a too good to be true deal.

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At the downstream side of the building, we dug a French drain to carry the seepage water back to the river. The rebuilt turbines were returned to us and installed in 2004, again using the crane. The turbines retained their original 1892 lignum vitae wood bearings. The crown gears now had new wooden teeth.

Lignum-Vitae is leading the way back to a simple water .

Lignum-Vitae is leading the way back to a simple water lubricated future. Posted on Thursday, June 22nd, 2017 and is filed under Hydro Power , News Timing is everything especially when government compliance and environmental needs merge together.

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Bearings & Seals: Examples of Innovations and Good Ideas .

It is possible to compensate for this lubricating disadvantage by improving the self-lubricating characteristics of the materials used to make sliding bearings. The Lignum Vitae Supply Project. Lignum vitae is a dense tropical wood with a unique combination of mechanical and physical properties that make it ideal for underwater bearing ...

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I need a ~10us pulse with a very long period. It's for an ultrasonic sensor. I send a trigger, wait for time of flight, and measure length of echo. ... try ball bearings in a pipe ... fix the output transistor. It's possible the fuse failed from vibration, in which case replacing the fuse will fix the problem alone. fishbulb: there is no chance ...

EIA’s Electric Power Monthly – June 2017 Edition with data .

This is a Guest Post by Islandboy. Non-Petroleum comments should be in this thread. The EIA released the latest edition of their Electric Power Monthly on June 23rd, with data for April 2017. April data extends the milestones reached in March as follows:

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In very general terms, the principle used to keep the water on the outside as the shaft penetrates the hull has not changed very much since the advent of steam propulsion during the latter half of the 19th century. Basically, a gland is used, whic...

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Replacing turbine bearings with lignum vitae saves time, mon

When the turbine guide bearings installed at several hydroelectric plants in the U.S. suffered short lives and significant wear, the owners turned to lignum vitae material. Their experience has shown that this material, although more costly, can provide longer service life than composite and plastic bearing materials.