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  1. S

    Electric powered glider ground connection

    Thanks for the inputs, TiPi. Your resistor idea for bridging the two grounds sounds better than my midnight brainstorming of a fuse. The idea is to enable a whole-airframe equipotential reference while isolating any unwanted effects from the propulsion side.
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    Electric powered glider ground connection

    Hi HBA, Those who know electric powered (self-launch or sustainer) gliders could probably answer this question definitively, but please chime in with your aircraft electrics understanding in any case: If I add a ~72V battery, motor controller, and motor to my homebuilt all-metal glider, should...
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    Experimental sailplane self-launch electric conversion

    I hadn't looked at this thread for some days since the 17 Feb. posts and am encouraged to see that others are also interested and are actually working on electric propulsion projects. I appreciate the inputs and will read the technical ones more closely. Actual experiences with specific...
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    Tinbuzard - One off design

    I'm new to HBA and just read this thread from the beginning. It's the most riveting firsthand homebuilding saga I've ever heard. (Never used “riveting" more appropriately.) The pictures themselves are inspirational. Looking forward to Tinbuzzard's upcoming posts and pictures.
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    Experimental sailplane self-launch electric conversion

    Just started a conversation with Emir (about my HP-14).
  6. S

    Experimental sailplane self-launch electric conversion

    Some interesting thoughts and suggestions -- some more practical than others :) I'm familiar with the better known brands, including Rotex and MGM Compro. Pipistrel's electric propulsion kit approaches the integrated solution I'm hoping for. But, as expected, their online price list shows...
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    Experimental sailplane self-launch electric conversion

    Hi all, I would like to convert an experimental glider to be electric self-launching. The desired major components are: 35 kW BLDC motor, 4-5 kWH lithium battery, a suitable motor controller, and a small in-cockpit control head to control and monitor the system (on/off switch, throttle, a...
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