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  1. LaurenceSachs

    Gerotor Motor Design

    Hello Gents! Thanks for all of your help on many other topics! Next question: I am looking at novel ways to incorporate rotation onto a shaft using water under pressure. I have been interested in designing a gerotor motor that is energised by water at about 16MPa and with as little flow as...
  2. LaurenceSachs

    Part Concept Selection and Decision Process

    Hi there, I trust you all are having a good start to the new year! As a design engineer, I continuously have to look at new ways of designing components or products. I obviously have to take cost, weight, material, corrosion, reliability, performance etc. into account. I am familiar with...
  3. LaurenceSachs

    Hydraulic vs pneumatic piston/cylinder design

    Hi there, I need to understand something that I hope you can help with! I work with water powered machinery as well as pneumatic machinery and I have found that there are specific designs required for each instance. Obviously this is due to the incompressibility of water compared to air's...
  4. LaurenceSachs

    Micro Time logger for hydraulic drill

    Hello there, I come from a Mechanical background, so my electronics experience is limited. I am looking for a solution to do the following: 1. Monitor how long the drills are running for in hours. 2. Have no external electrical input. 3. Be of a small size +- an inch square. 4. be capable of...
  5. LaurenceSachs

    Hydraulic System Design Manual

    Hi there, I am a Mechanical Engineer, however I have found that my knowledge is insufficient to completely understand and design a water hydraulic systems (Supply, Custom Valves, Pistons, Percussion Drill Rotation etc). I have a good understanding of basic fluid mechanics however, when it...
  6. LaurenceSachs

    Control Double Acting Hydraulic Cylinder

    Hi there, I hope you can help me understand the following: I would like to supply pressure to a double acting cylinder so that it forces in one direction and retracts in the other direction under minimal load. what is the simplest way to alternate the routing of the hydraulic fluid so that it...
  7. LaurenceSachs

    Vibration Damping on Old Percussion Drill

    Hello there, I have an old hydraulic percussion drill that I use to drill 25mm holes into rock. Due to the percussive nature of the drill, there are extreme vibrational forces at the handle (in all directions). I would like to retrofit the handle with some sort of damping without losing the...
  8. LaurenceSachs

    Crotch Plate Design Guidelines

    Hello there, I am trying to find suitable information on the design of a T-Piece and a 30 degree crotch plate. Where can I find suitable guidelines/instructions? I have already checked the following, but need to check my results; Pipe Design for Engineers and ASME 31.3 Regards Laurence
  9. LaurenceSachs

    Maximum Velocity in Rubber Lined Pipes

    Hello there, What are the basic guideline velocities for rubber lined pipes? We have an application where we are pumping water through rubber lined pipes, what are acceptable velocities? Regards Laurence Sachs
  10. LaurenceSachs

    Cannot Stitch all Surfaces to create a solid

    Hello there, I have modeled a pump volute, using several different sketches and lofted them together. There are areas that I have boundary patched also, between lofted sections. I had to stitch the surfaces before I boundary patched them, but now that i have all of the surfaces, i cannot...
  11. LaurenceSachs

    Wind Turbines - Hydraulic pump - Generator

    Hello there, I have an application where we are considering installing several vertical wind turbines at one close location. My manager has asked me if it is viable connecting these turbines VIA AN HYDRAULIC SYSTEM to a single generator. I consider a direct drive generator on each turbine as...
  12. LaurenceSachs

    Remote Temperature Monitoring (RF/Wireless etc?)

    Hello there, Well I am a Mechanical Engineer with very limited experience with electronics and radio. So basically I have no idea where to start on this and how to go about it???? Please give me some advice, where i should look online for info etc. I have a specific application where I have...

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