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  1. jmspeedfreak

    High articulation driveshafts

    Hi, I'm trying to find out if anyone has ever found a drive coupling able to handle high levels of power (>100kW) at speeds up to 7-8000rpm while able to articulate from 0 degrees up to 90 degrees. I thought about a bevel coupling with input and outputs picking up off a joint bevel gear but...
  2. jmspeedfreak

    Absolute most compact motor technology 125kW Motor 8000rpm

    Hi, I'm trying to find out what constitutes absolute minimum volume and mass for a 125kW motor to drive a propulsion propellor at 8000rpm. Maximum torque of 750Nm at 1500rpm or so. Preference is for minimum frontal area ie. motor diameter with length less an issue: <350mm ideal <450mm...
  3. jmspeedfreak

    Constant velocity coupling &gt;90deg articulation

    Hi, I'm trying to find out if anyone has ever found a drive coupling able to handle high levels of power (>100kW) at speeds up to 7-8000rpm while able to articulate from 0 degrees up to 90 degrees. I thought about a bevel coupling with input and outputs picking up off a joint bevel gear but...
  4. jmspeedfreak

    EMC with Honeycomb Sandwich Structures

    I'm making a vehicle chassis in Aluminium honeycomb panels -ie. a lightweight vehicle. I need to meet strict EMC targets for conducted and radiated emissions - ie. shielding and filters all over the place etc. As I'm not the electrical chap I was hoping you might be able to indicate what I...

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