uncleflo
Registered since September 28th, 2017
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Tag selected: shaft.
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PYI Inc. | PSS Type A Shaft Seal
Saved by uncleflo on February 6th, 2022.
Product Specifications: PSS Type A Seal Dimensions The Type A PSS Shaft Seal is a mechanical face seal. The sealing surface is created between the flat surfaces of the rotating stainless-steel rotor and the stationary carbon flange. The stationary carbon flange is attached to the front side of the bellows with hose clamps, and the back end of the bellows fits over the Stern tube and is secured with hose clamps. The stainless-steel rotor is fitted on the shaft in front of the carbon flange. The stainless-steel rotor compresses the bellows before the rotor is secured to the shaft with set screws. This compression (pre-load) maintains constant contact between the two flat faces of the stainless-steel rotor and carbon flange, allowing the PSS to compensate for the variable fore and aft movement due to propeller thrust. In addition, the carbon flange is over-bored to the shaft diameter allowing it to “float” around the shaft and thus compensate for most misalignment and vibration problems. The stainless-steel rotor is sealed to the shaft by two O-rings recessed into the collar's bore. These O-rings rotate with the shaft and stainless-steel rotor and do not experience wear during operation.
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Bored Pile Foundation - Advantages, Disadvantages & Techniques - Piletech
Saved by uncleflo on January 16th, 2022.
Bored pile also referred to as drilled shaft at some places is a kind of reinforced-concrete base that holds frameworks carrying heavy vertical loads in place. A bored pile is basically the concrete cast-in-place, which means that the pile is cast on the site of the building. The arrangement varies from other concrete foundation designs, such as spun pile or reinforced concrete square pile foundations, which make use of concrete precast platforms. Bored piling is used extensively for bridge construction, tall buildings, and other large industrial projects, which all require deep and intensive bases. Apart from the foundation systems, Bored piles are also used to build formative underground barriers for earth retention. Piles may be stacked next to each other, with 75 – 150 mm gap in-between— referred to as contiguous pile wall, or they can be positioned in a way that they coincide, creating stable and robust fencing, often used to regulate groundwater movement.
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seriesOne Shaft Seal Overview | Tides Marine
Saved by uncleflo on April 3rd, 2021.
The seriesOne shaft seal was designed for smaller, single-engine vessels with stainless steel propeller shafts. This shaft seal fits shaft diameters from 7/8 through 1 1/4 in 1/8 increments. It can also be used on metric stainless shafting from 25mm through 30mm. The seriesOne shaft seal is covered by a one year warranty. Tides Marine suggests that all twin-engine applications use the Tides SureSeal. The seriesOne housing is produced in the same manner as the SureSeal shaft seals. However, in order to produce a shaft seal for our more cost-conscious customers, the front cap design of the seriesOne has been modified. For vessels powered by smaller diesel engines (1-3 cylinders) using softer engine mounts, the multi-convolution articulating hose is recommended. This extra flexibility compensates for increased lateral engine movement during operation.
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48V EasyBox System - FischerPanda
Saved by uncleflo on December 19th, 2019.
The 48V EasyBox System provides your boat with the simplest electric drive system. The system is quick to install (plug and play) and all electrical components are contained in one unit. It is designed to be used as a battery only system with a 48V battery bank or with the support of a DC generator as a 'range extender' . The batteries can be charged via the on board generator or shore power connection or at the touch of a button using the re-generation ‘REGEN’ function (when main engine is running or using propeller drag when sailing) Perfect for cruising on waters where combustion engines are not allowed. AGM or Lithium battery banks can be used in an Easybox system. The system is designed for mono-hulls, catamarans or trimarans requiring a single or dual drive system.
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Motors For Hydraulic Power Packs | Rotomag.com
Saved by uncleflo on December 19th, 2019.
These motors are available in series and compound version and have superior build quality. Option or different shaft and without drive end shield is available. Use of rugged brush holders results in cooler operation of the motors.
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Thread: engine rpm v propshaft rpm? - YBW
Saved by uncleflo on October 6th, 2019.
On a typical sailing boat with shaft drive, does the prop turn at engine rpm? Or is there a reduction? And when the prop freewheels while under sail, what would be a typical rpm? Presumably for a given boat speed (whether sail or power), the prop rpm will be less under sail than the rpm under power for the same boat speed, and presumably this ratio is closely linked to the propeller efficiency. I know on aeroplanes that prop efficiency is around 85% - is this a realistic figure for water-screws?
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Jet Engine PBS TJ100 - PBS
Saved by uncleflo on August 26th, 2019.
Its advantage is its compact design, low weight with a thrust of up to 1,300 N, and low fuel consumption in the given power category. The generator output is 750 W. One of the PBS TJ100 engine versions enables landing on water. The PBS TJ100 engine is a single-shaft jet engine consisting of a radial compressor, radial and axial diffuser, annular combustion chamber, axial turbine and a fixed outlet nozzle. The PBS TJ100 jet engine was developed for UAVs, missiles, light sport aircraft and gliders with an additional engine. We have delivered hundreds of our jet engines for manned experimental aircrafts and unmanned aircrafts all around the world.
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LEE Linear Precision Linear Motion Components
Saved by uncleflo on July 30th, 2019.
Visit the Configurator for custom configurations, CADs, and quotes! Our latest tips, tricks, and information, all in one place! Lee Linear has produced world-class, linear motion components and linear shafting for over 40 years. With the ability to manufacture custom shafting—threading, diameter reduction, keyways, flats, plating, and more—to required standards in a short amount of time, Lee Linear is able to fulfill orders on time, eliminating downtime and increasing profits for our customers.
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