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Alan S. Nasar
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Alan S. Nasar's posts

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CAN communication with Chevy Volt BMS Battery Energy Control Module
As detailed in the previous post, I have a Chevy volt battery in the rear of the 74 Bug in parallel with the OEM BMS hooked up. I am trying to verify that the BMS is working. The BMS has a CAN communication system. The X1 connector on the BECM Pin 3 WH/BK ...

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DIY Tin Plating / Electroplating of Copper Bus Bars or Terminals
I was able to tin plate some of the bus bars and connectors for use in my electrical projects. Copper is an excellent conductor, however, copper connections are prone to oxidation and can become high resistance areas in the circuit over time, especially whe...

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Re-using Chevy Volt OEM BMS for EV Conversion
I decided to try to use the Chevy Volt BMS to manage the Chevy Volt battery pack used in the VW Beetle Electric Vehicle. Since all of the batteries are in one area, connecting the factory BMS harness was simple. The OEM BMS consists of a head unit (K16 Batt...

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New Project - 1971 VW Beetle previously converted to electric vehicle
NEW PROJECT - 1971 Volkswagen Beetle I was looking through eBay for electric vehicle conversions and first I came across a 911 cabriolet. I bid but didn't win. Then I found a 1974 VW Beetle in Albuquerque, NM which had been converted. It had high end compon...

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Hip Air Arthrogram and Steroid Injection
I perform steroid injections for my patients to treat hip pain. When the pain is coming from inside the hip joint,such as in cases of osteoarthritis, avascular necrosis, hip impingement, or labral tear, an intra-articular injection is indicated. These injec...

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Failed fixation of hip fracture with subsequent conversion to hemiarthroplasty
Hip Nail Failure Case This case involves an elderly female who fell at home and fractured her hip. She was evaluated with x-rays and found to have an intertrochanteric hip fracture. Here are the initial x-rays: I consider this fracture pattern to be unstabl...

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Karmann Ghia EV Conversion - Voltmeter for main batteries
I decided not to use the Xantrex linkLITE which I originally purchased. The problem was with the voltage prescaler and the voltmeter. I ended up shorting it out a couple of times before I figured out how to properly isolate the 12 volt system. Also, the lin...

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Karmann Ghia EV Conversion - Speed sensor problem
I have come to the conclusion that I will not be able to get the WarP motor speed sensor kit to be compatible with the Synkromotive controller. There is a glitch that arbitrarily limits motor RPM to approximately 3600. The sensor seems to display RPM accura...

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Karmann Ghia EV Conversion - Ground Isolation
Proper Isolation of High Voltage System is CRITICAL! I don't think there is enough information on how to isolate the 12 volt vehicle ground from the high voltage battery pack. When I set up the high voltage system, it was completely isolated from the vehicl...
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